Regenerate tree using Autoconf 2.64 and Automake 1.11.

config/:
	* override.m4 (_GCC_AUTOCONF_VERSION): Bump to 2.64.

/:
	* configure: Regenerate.

etc/:
	* configure: Regenerate.

sim/common/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/iq2000/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/d10v/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/igen/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/m32r/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/frv/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/:
	* avr/config.in: Regenerate.
	* avr/configure: Likewise.
	* configure: Likewise.
	* cris/config.in: Likewise.
	* cris/configure: Likewise.

sim/h8300/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/mn10300/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/ppc/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/erc32/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/arm/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/m68hc11/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/lm32/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/sh64/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/v850/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/cr16/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/moxie/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/m32c/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/mips/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/mcore/:
	* config.in: Regenerate.
	* configure: Likewise.

sim/testsuite/d10v-elf/:
	* configure: Regenerate.

sim/testsuite/:
	* configure: Regenerate.

sim/testsuite/frv-elf/:
	* configure: Regenerate.

sim/testsuite/m32r-elf/:
	* configure: Regenerate.

sim/testsuite/mips64el-elf/:
	* configure: Regenerate.

sim/sh/:
	* config.in: Regenerate.
	* configure: Likewise.

gold/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.
	* testsuite/Makefile.in: Likewise.

gprof/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* configure: Likewise.
	* gconfig.in: Likewise.

opcodes/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.

gas/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.

ld/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.

gdb/:
	* aclocal.m4: Regenerate.
	* config.in: Likewise.
	* configure: Likewise.
	* gnulib/Makefile.in: Likewise.

gdb/doc/:
	* configure: Regenerate.

gdb/gdbserver/:
	* aclocal.m4: Regenerate.
	* config.in: Likewise.
	* configure: Likewise.

gdb/testsuite/:
	* configure: Regenerate.
	* gdb.hp/configure: Likewise.
	* gdb.hp/gdb.aCC/configure: Likewise.
	* gdb.hp/gdb.base-hp/configure: Likewise.
	* gdb.hp/gdb.compat/configure: Likewise.
	* gdb.hp/gdb.defects/configure: Likewise.
	* gdb.hp/gdb.objdbg/configure: Likewise.
	* gdb.stabs/configure: Likewise.

binutils/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.

bfd/:
	* Makefile.in: Regenerate.
	* aclocal.m4: Likewise.
	* config.in: Likewise.
	* configure: Likewise.

bfd/doc/:
	* Makefile.in: Regenerate.

readline/:
	* configure: Regenerate.

readline/examples/rlfe/:
	* configure: Regenerate.

4 files changed, 6645 insertions, 9166 deletions

diff --git a/readline/ChangeLog.gdb b/readline/ChangeLog.gdb
index ab2191a..8f84182 100644
--- a/readline/ChangeLog.gdb
+++ b/readline/ChangeLog.gdb
@@ -1,5 +1,7 @@
 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+	* configure: Regenerate.
+
 	* configure.in: m4_include toplevel config/override.m4.
 	* configure: Regenerate.
 
diff --git a/readline/configure b/readline/configure
index e232089..8a90f0f 100755
--- a/readline/configure
+++ b/readline/configure
@@ -1,84 +1,417 @@
 #! /bin/sh
 # From configure.in for Readline 5.1, version 2.59.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for readline 5.1-release.
+# Generated by GNU Autoconf 2.64 for readline 5.1-release.
 #
 # Report bugs to <bug-readline@gnu.org>.
 #
-# Copyright (C) 2003 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
+# Foundation, Inc.
+#
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
-  set -o posix
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
 fi
-DUALCASE=1; export DUALCASE # for MKS sh
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
 
-# Work around bugs in pre-3.0 UWIN ksh.
-$as_unset ENV MAIL MAILPATH
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_unset $as_var
+    $as_echo "$0: Please tell bug-autoconf@gnu.org and
+$0: bug-readline@gnu.org about your system, including any
+$0: error possibly output before this message. Then install
+$0: a modern shell, or manually run the script under such a
+$0: shell if you do have one."
   fi
-done
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
 
-# Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  fi
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
-as_me=`$as_basename "$0" ||
+as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)$' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
-  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\/\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
 
-# PATH needs CR, and LINENO needs CR and PATH.
 # Avoid depending upon Character Ranges.
 as_cr_letters='abcdefghijklmnopqrstuvwxyz'
 as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
@@ -86,146 +419,107 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
-fi
 
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
-  # Find who we are.  Look in the path if we contain no path at all
-  # relative or not.
-  case $0 in
-    *[\\/]* ) as_myself=$0 ;;
-    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-
-       ;;
-  esac
-  # We did not find ourselves, most probably we were run as `sh COMMAND'
-  # in which case we are not to be found in the path.
-  if test "x$as_myself" = x; then
-    as_myself=$0
-  fi
-  if test ! -f "$as_myself"; then
-    { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2
-   { (exit 1); exit 1; }; }
-  fi
-  case $CONFIG_SHELL in
-  '')
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for as_base in sh bash ksh sh5; do
-	 case $as_dir in
-	 /*)
-	   if ("$as_dir/$as_base" -c '
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
-	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
-	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
-	     CONFIG_SHELL=$as_dir/$as_base
-	     export CONFIG_SHELL
-	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
-	   fi;;
-	 esac
-       done
-done
-;;
-  esac
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line before each line; the second 'sed' does the real
-  # work.  The second script uses 'N' to pair each line-number line
-  # with the numbered line, and appends trailing '-' during
-  # substitution so that $LINENO is not a special case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
-  sed '=' <$as_myself |
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
     sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
       N
-      s,$,-,
-      : loop
-      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
       t loop
-      s,-$,,
-      s,^['$as_cr_digits']*\n,,
+      s/-\n.*//
     ' >$as_me.lineno &&
-  chmod +x $as_me.lineno ||
-    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
-  . ./$as_me.lineno
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
   # Exit status is that of the last command.
   exit
 }
 
-
-case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C='
-' ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
-  as_expr=expr
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
 else
-  as_expr=false
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
 fi
-
-rm -f conf$$ conf$$.exe conf$$.file
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  # We could just check for DJGPP; but this test a) works b) is more generic
-  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
-  if test -f conf$$.exe; then
-    # Don't use ln at all; we don't have any links
-    as_ln_s='cp -p'
-  else
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
   fi
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.file
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-as_executable_p="test -f"
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -234,38 +528,24 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.
-as_nl='
-'
-IFS=" 	$as_nl"
-
-# CDPATH.
-$as_unset CDPATH
-
+exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
-exec 6>&1
-
 #
 # Initializations.
 #
 ac_default_prefix=/usr/local
+ac_clean_files=
 ac_config_libobj_dir=.
+LIBOBJS=
 cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
-
-# Maximum number of lines to put in a shell here document.
-# This variable seems obsolete.  It should probably be removed, and
-# only ac_max_sed_lines should be used.
-: ${ac_max_here_lines=38}
 
 # Identity of this package.
 PACKAGE_NAME='readline'
@@ -273,52 +553,166 @@ PACKAGE_TARNAME='readline'
 PACKAGE_VERSION='5.1-release'
 PACKAGE_STRING='readline 5.1-release'
 PACKAGE_BUGREPORT='bug-readline@gnu.org'
+PACKAGE_URL=''
 
 ac_unique_file="readline.h"
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
-#if HAVE_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif
-#if HAVE_SYS_STAT_H
+#ifdef HAVE_SYS_STAT_H
 # include <sys/stat.h>
 #endif
-#if STDC_HEADERS
+#ifdef STDC_HEADERS
 # include <stdlib.h>
 # include <stddef.h>
 #else
-# if HAVE_STDLIB_H
+# ifdef HAVE_STDLIB_H
 #  include <stdlib.h>
 # endif
 #endif
-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
 #  include <memory.h>
 # endif
 # include <string.h>
 #endif
-#if HAVE_STRINGS_H
+#ifdef HAVE_STRINGS_H
 # include <strings.h>
 #endif
-#if HAVE_INTTYPES_H
+#ifdef HAVE_INTTYPES_H
 # include <inttypes.h>
-#else
-# if HAVE_STDINT_H
-#  include <stdint.h>
-# endif
 #endif
-#if HAVE_UNISTD_H
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os CROSS_COMPILE SET_MAKE CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP CC_FOR_BUILD INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AR RANLIB ac_ct_RANLIB MAKE_SHELL WCWIDTH_OBJ SHOBJ_CC SHOBJ_CFLAGS SHOBJ_LD SHOBJ_LDFLAGS SHOBJ_XLDFLAGS SHOBJ_LIBS SHOBJ_STATUS SHLIB_STATUS SHLIB_XLDFLAGS SHLIB_DOT SHLIB_LIBPREF SHLIB_LIBSUFF SHLIB_LIBVERSION SHLIB_DLLVERSION SHLIB_LIBS SHLIB_MAJOR SHLIB_MINOR STATIC_TARGET SHARED_TARGET STATIC_INSTALL_TARGET SHARED_INSTALL_TARGET PURIFY BUILD_DIR LOCAL_CFLAGS LOCAL_LDFLAGS LOCAL_DEFS ARFLAGS LIBVERSION TERMCAP_LIB LIBOBJS LTLIBOBJS'
+ac_subst_vars='LTLIBOBJS
+LIBOBJS
+TERMCAP_LIB
+LIBVERSION
+ARFLAGS
+LOCAL_DEFS
+LOCAL_LDFLAGS
+LOCAL_CFLAGS
+BUILD_DIR
+PURIFY
+SHARED_INSTALL_TARGET
+STATIC_INSTALL_TARGET
+SHARED_TARGET
+STATIC_TARGET
+SHLIB_MINOR
+SHLIB_MAJOR
+SHLIB_LIBS
+SHLIB_DLLVERSION
+SHLIB_LIBVERSION
+SHLIB_LIBSUFF
+SHLIB_LIBPREF
+SHLIB_DOT
+SHLIB_XLDFLAGS
+SHLIB_STATUS
+SHOBJ_STATUS
+SHOBJ_LIBS
+SHOBJ_XLDFLAGS
+SHOBJ_LDFLAGS
+SHOBJ_LD
+SHOBJ_CFLAGS
+SHOBJ_CC
+WCWIDTH_OBJ
+MAKE_SHELL
+RANLIB
+AR
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+CC_FOR_BUILD
+EGREP
+GREP
+CPP
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+SET_MAKE
+CROSS_COMPILE
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
 ac_subst_files=''
-ac_pwd=`pwd`
+ac_user_opts='
+enable_option_checking
+with_curses
+with_purify
+enable_multibyte
+enable_static
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CPP'
+
 
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
 cache_file=/dev/null
@@ -341,34 +735,48 @@ x_libraries=NONE
 # and all the variables that are supposed to be based on exec_prefix
 # by default will actually change.
 # Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
 bindir='${exec_prefix}/bin'
 sbindir='${exec_prefix}/sbin'
 libexecdir='${exec_prefix}/libexec'
-datadir='${prefix}/share'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-libdir='${exec_prefix}/lib'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-infodir='${prefix}/info'
-mandir='${prefix}/man'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
 
 ac_prev=
+ac_dashdash=
 for ac_option
 do
   # If the previous option needs an argument, assign it.
   if test -n "$ac_prev"; then
-    eval "$ac_prev=\$ac_option"
+    eval $ac_prev=\$ac_option
     ac_prev=
     continue
   fi
 
-  ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
+  case $ac_option in
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
+  esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case $ac_option in
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
@@ -390,33 +798,59 @@ do
   --config-cache | -C)
     cache_file=config.cache ;;
 
-  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+  -datadir | --datadir | --datadi | --datad)
     ac_prev=datadir ;;
-  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
-  | --da=*)
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
     datadir=$ac_optarg ;;
 
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
   -disable-* | --disable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    eval "enable_$ac_feature=no" ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    case $ac_option in
-      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
-      *) ac_optarg=yes ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
     esac
-    eval "enable_$ac_feature='$ac_optarg'" ;;
+    eval enable_$ac_useropt=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -443,6 +877,12 @@ do
   -host=* | --host=* | --hos=* | --ho=*)
     host_alias=$ac_optarg ;;
 
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
   -includedir | --includedir | --includedi | --included | --include \
   | --includ | --inclu | --incl | --inc)
     ac_prev=includedir ;;
@@ -467,13 +907,16 @@ do
   | --libexe=* | --libex=* | --libe=*)
     libexecdir=$ac_optarg ;;
 
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
   -localstatedir | --localstatedir | --localstatedi | --localstated \
-  | --localstate | --localstat | --localsta | --localst \
-  | --locals | --local | --loca | --loc | --lo)
+  | --localstate | --localstat | --localsta | --localst | --locals)
     ac_prev=localstatedir ;;
   -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
-  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
-  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
     localstatedir=$ac_optarg ;;
 
   -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
@@ -538,6 +981,16 @@ do
   | --progr-tra=* | --program-tr=* | --program-t=*)
     program_transform_name=$ac_optarg ;;
 
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
@@ -588,26 +1041,36 @@ do
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package| sed 's/-/_/g'`
-    case $ac_option in
-      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
-      *) ac_optarg=yes ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
     esac
-    eval "with_$ac_package='$ac_optarg'" ;;
+    eval with_$ac_useropt=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/-/_/g'`
-    eval "with_$ac_package=no" ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -627,26 +1090,25 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { echo "$as_me: error: unrecognized option: $ac_option
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; }
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
-   { (exit 1); exit 1; }; }
-    ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
-    eval "$ac_envvar='$ac_optarg'"
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
@@ -655,31 +1117,36 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { echo "$as_me: error: missing argument to $ac_option" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "missing argument to $ac_option"
 fi
 
-# Be sure to have absolute paths.
-for ac_var in exec_prefix prefix
-do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
-    [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
-    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; };;
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
-done
+fi
 
-# Be sure to have absolute paths.
-for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
-	      localstatedir libdir includedir oldincludedir infodir mandir
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
 do
-  eval ac_val=$`echo $ac_var`
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
   case $ac_val in
-    [\\/$]* | ?:[\\/]* ) ;;
-    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; };;
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
   esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -693,7 +1160,7 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
     If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
@@ -706,74 +1173,72 @@ test -n "$host_alias" && ac_tool_prefix=$host_alias-
 test "$silent" = yes && exec 6>/dev/null
 
 
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error "pwd does not report name of working directory"
+
+
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
-  # Try the directory containing this script, then its parent.
-  ac_confdir=`(dirname "$0") 2>/dev/null ||
-$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$0" : 'X\(//\)[^/]' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$0" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
   srcdir=$ac_confdir
-  if test ! -r $srcdir/$ac_unique_file; then
+  if test ! -r "$srcdir/$ac_unique_file"; then
     srcdir=..
   fi
 else
   ac_srcdir_defaulted=no
 fi
-if test ! -r $srcdir/$ac_unique_file; then
-  if test "$ac_srcdir_defaulted" = yes; then
-    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $ac_confdir or .." >&2
-   { (exit 1); exit 1; }; }
-  else
-    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
-   { (exit 1); exit 1; }; }
-  fi
-fi
-(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
-  { echo "$as_me: error: sources are in $srcdir, but \`cd $srcdir' does not work" >&2
-   { (exit 1); exit 1; }; }
-srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'`
-ac_env_build_alias_set=${build_alias+set}
-ac_env_build_alias_value=$build_alias
-ac_cv_env_build_alias_set=${build_alias+set}
-ac_cv_env_build_alias_value=$build_alias
-ac_env_host_alias_set=${host_alias+set}
-ac_env_host_alias_value=$host_alias
-ac_cv_env_host_alias_set=${host_alias+set}
-ac_cv_env_host_alias_value=$host_alias
-ac_env_target_alias_set=${target_alias+set}
-ac_env_target_alias_value=$target_alias
-ac_cv_env_target_alias_set=${target_alias+set}
-ac_cv_env_target_alias_value=$target_alias
-ac_env_CC_set=${CC+set}
-ac_env_CC_value=$CC
-ac_cv_env_CC_set=${CC+set}
-ac_cv_env_CC_value=$CC
-ac_env_CFLAGS_set=${CFLAGS+set}
-ac_env_CFLAGS_value=$CFLAGS
-ac_cv_env_CFLAGS_set=${CFLAGS+set}
-ac_cv_env_CFLAGS_value=$CFLAGS
-ac_env_LDFLAGS_set=${LDFLAGS+set}
-ac_env_LDFLAGS_value=$LDFLAGS
-ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
-ac_cv_env_LDFLAGS_value=$LDFLAGS
-ac_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_env_CPPFLAGS_value=$CPPFLAGS
-ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_cv_env_CPPFLAGS_value=$CPPFLAGS
-ac_env_CPP_set=${CPP+set}
-ac_env_CPP_value=$CPP
-ac_cv_env_CPP_set=${CPP+set}
-ac_cv_env_CPP_value=$CPP
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
 
 #
 # Report the --help message.
@@ -802,14 +1267,11 @@ Configuration:
   -n, --no-create         do not create output files
       --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
-_ACEOF
-
-  cat <<_ACEOF
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-			  [$ac_default_prefix]
+                          [$ac_default_prefix]
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-			  [PREFIX]
+                          [PREFIX]
 
 By default, \`make install' will install all the files in
 \`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
@@ -819,18 +1281,25 @@ for instance \`--prefix=\$HOME'.
 For better control, use the options below.
 
 Fine tuning of the installation directories:
-  --bindir=DIR           user executables [EPREFIX/bin]
-  --sbindir=DIR          system admin executables [EPREFIX/sbin]
-  --libexecdir=DIR       program executables [EPREFIX/libexec]
-  --datadir=DIR          read-only architecture-independent data [PREFIX/share]
-  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
-  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
-  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
-  --libdir=DIR           object code libraries [EPREFIX/lib]
-  --includedir=DIR       C header files [PREFIX/include]
-  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
-  --infodir=DIR          info documentation [PREFIX/info]
-  --mandir=DIR           man documentation [PREFIX/man]
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/readline]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
 _ACEOF
 
   cat <<\_ACEOF
@@ -848,6 +1317,7 @@ if test -n "$ac_init_help"; then
   cat <<\_ACEOF
 
 Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-multibyte      enable multibyte characters if OS supports them
@@ -865,8 +1335,9 @@ Some influential environment variables:
   CFLAGS      C compiler flags
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
-  CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
-              headers in a nonstandard directory <include dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
 
 Use these variables to override the choices made by `configure' or to help
@@ -874,120 +1345,499 @@ it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to <bug-readline@gnu.org>.
 _ACEOF
+ac_status=$?
 fi
 
 if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
-  ac_popdir=`pwd`
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d $ac_dir || continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
     ac_builddir=.
 
-if test "$ac_dir" != .; then
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A "../" for each directory in $ac_dir_suffix.
-  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
-else
-  ac_dir_suffix= ac_top_builddir=
-fi
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
 
 case $srcdir in
-  .)  # No --srcdir option.  We are building in place.
+  .)  # We are building in place.
     ac_srcdir=.
-    if test -z "$ac_top_builddir"; then
-       ac_top_srcdir=.
-    else
-       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-    fi ;;
-  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir ;;
-  *) # Relative path.
-    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_builddir$srcdir ;;
-esac
-
-# Do not use `cd foo && pwd` to compute absolute paths, because
-# the directories may not exist.
-case `pwd` in
-.) ac_abs_builddir="$ac_dir";;
-*)
-  case "$ac_dir" in
-  .) ac_abs_builddir=`pwd`;;
-  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-  *) ac_abs_builddir=`pwd`/"$ac_dir";;
-  esac;;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
 esac
-case $ac_abs_builddir in
-.) ac_abs_top_builddir=${ac_top_builddir}.;;
-*)
-  case ${ac_top_builddir}. in
-  .) ac_abs_top_builddir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_srcdir=$ac_srcdir;;
-*)
-  case $ac_srcdir in
-  .) ac_abs_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_srcdir=$ac_top_srcdir;;
-*)
-  case $ac_top_srcdir in
-  .) ac_abs_top_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-  esac;;
-esac
-
-    cd $ac_dir
-    # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f $ac_srcdir/configure.gnu; then
-      echo
-      $SHELL $ac_srcdir/configure.gnu  --help=recursive
-    elif test -f $ac_srcdir/configure; then
-      echo
-      $SHELL $ac_srcdir/configure  --help=recursive
-    elif test -f $ac_srcdir/configure.ac ||
-	   test -f $ac_srcdir/configure.in; then
-      echo
-      $ac_configure --help
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
-    fi
-    cd $ac_popdir
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
   done
 fi
 
-test -n "$ac_init_help" && exit 0
+test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 readline configure 5.1-release
-generated by GNU Autoconf 2.59
+generated by GNU Autoconf 2.64
 
-Copyright (C) 2003 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
-  exit 0
+  exit
 fi
-exec 5>config.log
-cat >&5 <<_ACEOF
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+( cat <<\_ASBOX
+## ----------------------------------- ##
+## Report this to bug-readline@gnu.org ##
+## ----------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_func
+cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by readline $as_me 5.1-release, which was
-generated by GNU Autoconf 2.59.  Invocation command line was
+generated by GNU Autoconf 2.64.  Invocation command line was
 
   $ $0 $@
 
 _ACEOF
+exec 5>>config.log
 {
 cat <<_ASUNAME
 ## --------- ##
@@ -1006,7 +1856,7 @@ uname -v = `(uname -v) 2>/dev/null || echo unknown`
 /bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
 /usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
-hostinfo               = `(hostinfo) 2>/dev/null               || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
 /bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
 /bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
@@ -1018,8 +1868,9 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  echo "PATH: $as_dir"
-done
+    $as_echo "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
 
 } >&5
 
@@ -1041,7 +1892,6 @@ _ACEOF
 ac_configure_args=
 ac_configure_args0=
 ac_configure_args1=
-ac_sep=
 ac_must_keep_next=false
 for ac_pass in 1 2
 do
@@ -1052,13 +1902,13 @@ do
     -q | -quiet | --quiet | --quie | --qui | --qu | --q \
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
-    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
     2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1074,21 +1924,19 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
-      # Get rid of the leading space.
-      ac_sep=" "
+      as_fn_append ac_configure_args " '$ac_arg'"
       ;;
     esac
   done
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
 # would cause problems or look ugly.
-# WARNING: Be sure not to use single quotes in there, as some shells,
-# such as our DU 5.0 friend, will then `close' the trap.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
   # Save into config.log some information that might help in debugging.
   {
@@ -1101,20 +1949,35 @@ trap 'exit_status=$?
 _ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
-{
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
   (set) 2>&1 |
-    case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
-    *ac_space=\ *)
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
       sed -n \
-	"s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
-      ;;
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
     *)
-      sed -n \
-	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
-    esac;
-}
+    esac |
+    sort
+)
     echo
 
     cat <<\_ASBOX
@@ -1125,22 +1988,28 @@ _ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
-      eval ac_val=$`echo $ac_var`
-      echo "$ac_var='"'"'$ac_val'"'"'"
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
       cat <<\_ASBOX
-## ------------- ##
-## Output files. ##
-## ------------- ##
+## ------------------- ##
+## File substitutions. ##
+## ------------------- ##
 _ASBOX
       echo
       for ac_var in $ac_subst_files
       do
-	eval ac_val=$`echo $ac_var`
-	echo "$ac_var='"'"'$ac_val'"'"'"
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
@@ -1152,26 +2021,26 @@ _ASBOX
 ## ----------- ##
 _ASBOX
       echo
-      sed "/^$/d" confdefs.h | sort
+      cat confdefs.h
       echo
     fi
     test "$ac_signal" != 0 &&
-      echo "$as_me: caught signal $ac_signal"
-    echo "$as_me: exit $exit_status"
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
   } >&5
-  rm -f core *.core &&
-  rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
-     ' 0
+' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
-rm -rf conftest* confdefs.h
-# AIX cpp loses on an empty file, so make sure it contains at least a newline.
-echo >confdefs.h
+rm -f -r conftest* confdefs.h
+
+$as_echo "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
@@ -1179,40 +2048,46 @@ cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
-  fi
-fi
-for ac_site_file in $CONFIG_SITE; do
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  ac_site_file1=$CONFIG_SITE
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
   if test -r "$ac_site_file"; then
-    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
-echo "$as_me: loading site script $ac_site_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
   fi
@@ -1222,80 +2097,79 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
-echo "$as_me: loading cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
-      [\\/]* | ?:[\\/]* ) . $cache_file;;
-      *)                      . ./$cache_file;;
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
     esac
   fi
 else
-  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
-echo "$as_me: creating cache $cache_file" >&6;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
-for ac_var in `(set) 2>&1 |
-	       sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
+for ac_var in $ac_precious_vars; do
   eval ac_old_set=\$ac_cv_env_${ac_var}_set
   eval ac_new_set=\$ac_env_${ac_var}_set
-  eval ac_old_val="\$ac_cv_env_${ac_var}_value"
-  eval ac_new_val="\$ac_env_${ac_var}_value"
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        # differences in whitespace do not lead to failure.
-        ac_old_val_w=`echo x $ac_old_val`
-        ac_new_val_w=`echo x $ac_new_val`
-        if test "$ac_old_val_w" != "$ac_new_val_w"; then
-          { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
-echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-          ac_cache_corrupted=:
-        else
-          { echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-          eval $ac_var=\$ac_old_val
-        fi
-        { echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
-echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-        { echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
-echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
-echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
-echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-   { (exit 1); exit 1; }; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -1311,113 +2185,103 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 ac_aux_dir=
-for ac_dir in `cd $srcdir;pwd`/.. $srcdir/`cd $srcdir;pwd`/..; do
-  if test -f $ac_dir/install-sh; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f $ac_dir/install.sh; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f $ac_dir/shtool; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
+for ac_dir in `cd $srcdir;pwd`/.. "$srcdir"/`cd $srcdir;pwd`/..; do
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \`cd $srcdir;pwd\`/.. $srcdir/\`cd $srcdir;pwd\`/.." >&5
-echo "$as_me: error: cannot find install-sh or install.sh in \`cd $srcdir;pwd\`/.. $srcdir/\`cd $srcdir;pwd\`/.." >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "cannot find install-sh, install.sh, or shtool in \`cd $srcdir;pwd\`/.. \"$srcdir\"/\`cd $srcdir;pwd\`/.." "$LINENO" 5
 fi
-ac_config_guess="$SHELL $ac_aux_dir/config.guess"
-ac_config_sub="$SHELL $ac_aux_dir/config.sub"
-ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 
-          ac_config_headers="$ac_config_headers config.h"
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
+
+
+ac_config_headers="$ac_config_headers config.h"
 
 
 LIBVERSION=5.1
 
 # Make sure we can run config.sub.
-$ac_config_sub sun4 >/dev/null 2>&1 ||
-  { { echo "$as_me:$LINENO: error: cannot run $ac_config_sub" >&5
-echo "$as_me: error: cannot run $ac_config_sub" >&2;}
-   { (exit 1); exit 1; }; }
-
-echo "$as_me:$LINENO: checking build system type" >&5
-echo $ECHO_N "checking build system type... $ECHO_C" >&6
-if test "${ac_cv_build+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_cv_build_alias=$build_alias
-test -z "$ac_cv_build_alias" &&
-  ac_cv_build_alias=`$ac_config_guess`
-test -z "$ac_cv_build_alias" &&
-  { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
-echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
-   { (exit 1); exit 1; }; }
-ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
-  { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_build_alias failed" >&5
-echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
-
-fi
-echo "$as_me:$LINENO: result: $ac_cv_build" >&5
-echo "${ECHO_T}$ac_cv_build" >&6
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if test "${ac_cv_build+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
+esac
 build=$ac_cv_build
-build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-echo "$as_me:$LINENO: checking host system type" >&5
-echo $ECHO_N "checking host system type... $ECHO_C" >&6
-if test "${ac_cv_host+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if test "${ac_cv_host+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_cv_host_alias=$host_alias
-test -z "$ac_cv_host_alias" &&
-  ac_cv_host_alias=$ac_cv_build_alias
-ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
-  { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_host_alias failed" >&5
-echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_host" >&5
-echo "${ECHO_T}$ac_cv_host" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+esac
 host=$ac_cv_host
-host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
 
@@ -1425,17 +2289,17 @@ opt_curses=no
 opt_purify=no
 
 
-# Check whether --with-curses or --without-curses was given.
-if test "${with_curses+set}" = set; then
-  withval="$with_curses"
-  opt_curses=$withval
-fi;
+# Check whether --with-curses was given.
+if test "${with_curses+set}" = set; then :
+  withval=$with_curses; opt_curses=$withval
+fi
+
+
+# Check whether --with-purify was given.
+if test "${with_purify+set}" = set; then :
+  withval=$with_purify; opt_purify=$withval
+fi
 
-# Check whether --with-purify or --without-purify was given.
-if test "${with_purify+set}" = set; then
-  withval="$with_purify"
-  opt_purify=$withval
-fi;
 
 if test "$opt_curses" = "yes"; then
 	prefer_curses=yes
@@ -1451,21 +2315,19 @@ opt_multibyte=yes
 opt_static_libs=yes
 opt_shared_libs=no
 
-# Check whether --enable-multibyte or --disable-multibyte was given.
-if test "${enable_multibyte+set}" = set; then
-  enableval="$enable_multibyte"
-  opt_multibyte=$enableval
-fi;
-# Check whether --enable-static or --disable-static was given.
-if test "${enable_static+set}" = set; then
-  enableval="$enable_static"
-  opt_static_libs=$enableval
-fi;
+# Check whether --enable-multibyte was given.
+if test "${enable_multibyte+set}" = set; then :
+  enableval=$enable_multibyte; opt_multibyte=$enableval
+fi
+
+# Check whether --enable-static was given.
+if test "${enable_static+set}" = set; then :
+  enableval=$enable_static; opt_static_libs=$enableval
+fi
+
 
 if test $opt_multibyte = no; then
-cat >>confdefs.h <<\_ACEOF
-#define NO_MULTIBYTE_SUPPORT 1
-_ACEOF
+$as_echo "#define NO_MULTIBYTE_SUPPORT 1" >>confdefs.h
 
 fi
 
@@ -1502,32 +2364,34 @@ echo ""
 # We want these before the checks, so the checks can modify their values.
 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 
-echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6
-set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,:./+-,___p_,'`
-if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
 all:
-	@echo 'ac_maketemp="$(MAKE)"'
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
 _ACEOF
 # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
-eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=`
-if test -n "$ac_maketemp"; then
-  eval ac_cv_prog_make_${ac_make}_set=yes
-else
-  eval ac_cv_prog_make_${ac_make}_set=no
-fi
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
 rm -f conftest.make
 fi
-if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
-  echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
   SET_MAKE=
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
@@ -1539,10 +2403,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1552,35 +2416,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 fi
 if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -1590,39 +2456,50 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-  CC=$ac_ct_CC
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
 else
   CC="$ac_cv_prog_CC"
 fi
 
 if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1632,77 +2509,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  CC=$ac_ct_CC
-else
-  CC="$ac_cv_prog_CC"
-fi
 
+  fi
 fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1713,18 +2550,19 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
   # We found a bogon in the path, so make sure we never use it.
@@ -1742,24 +2580,25 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 fi
 if test -z "$CC"; then
   if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl
+  for ac_prog in cl.exe
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1769,39 +2608,41 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
     test -n "$CC" && break
   done
 fi
 if test -z "$CC"; then
   ac_ct_CC=$CC
-  for ac_prog in cl
+  for ac_prog in cl.exe
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -1811,68 +2652,78 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
   test -n "$ac_ct_CC" && break
 done
 
-  CC=$ac_ct_CC
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
 fi
 
 fi
 
 
-test -z "$CC" && { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO:" \
-     "checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
-  (eval $ac_compiler --version </dev/null >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
-  (eval $ac_compiler -v </dev/null >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
-  (eval $ac_compiler -V </dev/null >&5) 2>&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    rm -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -1884,116 +2735,142 @@ main ()
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.exe b.out"
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out conftest.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
-ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
-  (eval $ac_link_default) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-  # Find the output, starting from the most likely.  This scheme is
-# not robust to junk in `.', hence go to wildcards (a.*) only as a last
-# resort.
-
-# Be careful to initialize this variable, since it used to be cached.
-# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
-ac_cv_exeext=
-# b.out is created by i960 compilers.
-for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
 do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
-	;;
-    conftest.$ac_ext )
-	# This is the source file.
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-	ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-	# FIXME: I believe we export ac_cv_exeext for Libtool,
-	# but it would be cool to find out if it's true.  Does anybody
-	# maintain Libtool? --akim.
-	export ac_cv_exeext
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
 	break;;
     * )
 	break;;
   esac
 done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
 else
-  echo "$as_me: failed program was:" >&5
+  ac_file=''
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+if test -z "$ac_file"; then :
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
-See \`config.log' for more details." >&5
-echo "$as_me: error: C compiler cannot create executables
-See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
 fi
-
 ac_exeext=$ac_cv_exeext
-echo "$as_me:$LINENO: result: $ac_file" >&5
-echo "${ECHO_T}$ac_file" >&6
 
-# Check the compiler produces executables we can run.  If not, either
+# Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
   if { ac_try='./$ac_file'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+See \`config.log' for more details." "$LINENO" 5; }
     fi
   fi
 fi
-echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-rm -f a.out a.exe conftest$ac_cv_exeext b.out
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out conftest.out
 ac_clean_files=$ac_clean_files_save
-# Check the compiler produces executables we can run.  If not, either
+# Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
-echo "$as_me:$LINENO: result: $cross_compiling" >&5
-echo "${ECHO_T}$cross_compiling" >&6
-
-echo "$as_me:$LINENO: checking for suffix of executables" >&5
-echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2001,40 +2878,31 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-	  export ac_cv_exeext
 	  break;;
     * ) break;;
   esac
 done
 else
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
 rm -f conftest$ac_cv_exeext
-echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
-echo "${ECHO_T}$ac_cv_exeext" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-echo "$as_me:$LINENO: checking for suffix of object files" >&5
-echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
-if test "${ac_cv_objext+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2046,47 +2914,46 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
 done
 else
-  echo "$as_me: failed program was:" >&5
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
-echo "${ECHO_T}$ac_cv_objext" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2100,55 +2967,34 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
-GCC=`test $ac_compiler_gnu = yes && echo yes`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-CFLAGS="-g"
-echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2159,39 +3005,49 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
 
-ac_cv_prog_cc_g=no
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -2207,18 +3063,14 @@ else
     CFLAGS=
   fi
 fi
-echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
-echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_cv_prog_cc_stdc=no
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -2246,12 +3098,17 @@ static char *f (char * (*g) (char **, int), char **p, ...)
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not '\xHH' hex character constants.
    These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std1 is added to get
+   as 'x'.  The following induces an error, until -std is added to get
    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
    array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std1.  */
+   that's true only with -std.  */
 int osf4_cc_array ['\x00' == 0 ? 1 : -1];
 
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
 int test (int i, double x);
 struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
@@ -2266,205 +3123,37 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX			-qlanglvl=ansi
-# Ultrix and OSF/1	-std1
-# HP-UX 10.20 and later	-Ae
-# HP-UX older versions	-Aa -D_HPUX_SOURCE
-# SVR4			-Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_prog_cc_stdc=$ac_arg
-break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
-rm -f conftest.$ac_ext conftest.$ac_objext
+rm -f conftest.$ac_ext
 CC=$ac_save_CC
 
 fi
-
-case "x$ac_cv_prog_cc_stdc" in
-  x|xno)
-    echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6 ;;
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
   *)
-    echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
-    CC="$CC $ac_cv_prog_cc_stdc" ;;
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
-# Some people use a C++ compiler to compile C.  Since we use `exit',
-# in C++ we need to declare it.  In case someone uses the same compiler
-# for both compiling C and C++ we need to have the C++ compiler decide
-# the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
-#ifndef __cplusplus
-  choke me
-#endif
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  for ac_declaration in \
-   '' \
-   'extern "C" void std::exit (int) throw (); using std::exit;' \
-   'extern "C" void std::exit (int); using std::exit;' \
-   'extern "C" void exit (int) throw ();' \
-   'extern "C" void exit (int);' \
-   'void exit (int);'
-do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_declaration
-#include <stdlib.h>
-int
-main ()
-{
-exit (42);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-continue
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_declaration
-int
-main ()
-{
-exit (42);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-done
-rm -f conftest*
-if test -n "$ac_declaration"; then
-  echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
-  echo '#endif'             >>confdefs.h
 fi
 
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2477,15 +3166,15 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
@@ -2499,11 +3188,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -2512,68 +3197,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether non-existent headers
+  # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -2583,7 +3224,7 @@ rm -f conftest.err conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -2595,8 +3236,8 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -2606,11 +3247,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -2619,68 +3256,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether non-existent headers
+  # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -2690,16 +3283,13 @@ rm -f conftest.err conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
+if $ac_preproc_ok; then :
+
 else
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -2709,31 +3299,142 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-if test "${ac_cv_prog_egrep+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-    then ac_cv_prog_egrep='grep -E'
-    else ac_cv_prog_egrep='egrep'
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
     fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
-echo "${ECHO_T}$ac_cv_prog_egrep" >&6
- EGREP=$ac_cv_prog_egrep
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
 
 
-echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2748,51 +3449,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -2802,18 +3475,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -2823,16 +3492,13 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
+#include <stdlib.h>
 #if ((' ' & 0x0FF) == 0x020)
 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
@@ -2852,278 +3518,109 @@ main ()
   for (i = 0; i < 256; i++)
     if (XOR (islower (i), ISLOWER (i))
 	|| toupper (i) != TOUPPER (i))
-      exit(2);
-  exit (0);
+      return 2;
+  return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-ac_cv_header_stdc=no
+else
+  ac_cv_header_stdc=no
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
+fi
 
+done
 
 
 
+  ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
+if test "x$ac_cv_header_minix_config_h" = x""yes; then :
+  MINIX=yes
+else
+  MINIX=
+fi
 
 
+  if test "$MINIX" = yes; then
 
+$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h
 
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
 
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h
 
-eval "$as_ac_Header=no"
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
 
-fi
+$as_echo "#define _MINIX 1" >>confdefs.h
 
-done
+  fi
 
 
-if test "${ac_cv_header_minix_config_h+set}" = set; then
-  echo "$as_me:$LINENO: checking for minix/config.h" >&5
-echo $ECHO_N "checking for minix/config.h... $ECHO_C" >&6
-if test "${ac_cv_header_minix_config_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
-echo "${ECHO_T}$ac_cv_header_minix_config_h" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
+$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
+if test "${ac_cv_safe_to_define___extensions__+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking minix/config.h usability" >&5
-echo $ECHO_N "checking minix/config.h usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
-#include <minix/config.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
+#	  define __EXTENSIONS__ 1
+	  $ac_includes_default
+int
+main ()
+{
 
-# Is the header present?
-echo "$as_me:$LINENO: checking minix/config.h presence" >&5
-echo $ECHO_N "checking minix/config.h presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <minix/config.h>
+  ;
+  return 0;
+}
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: minix/config.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: minix/config.h: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: minix/config.h:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: minix/config.h: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: minix/config.h: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: minix/config.h: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: minix/config.h: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for minix/config.h" >&5
-echo $ECHO_N "checking for minix/config.h... $ECHO_C" >&6
-if test "${ac_cv_header_minix_config_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_safe_to_define___extensions__=yes
 else
-  ac_cv_header_minix_config_h=$ac_header_preproc
+  ac_cv_safe_to_define___extensions__=no
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
-echo "${ECHO_T}$ac_cv_header_minix_config_h" >&6
-
-fi
-if test $ac_cv_header_minix_config_h = yes; then
-  MINIX=yes
-else
-  MINIX=
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5
+$as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
+  test $ac_cv_safe_to_define___extensions__ = yes &&
+    $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h
 
+  $as_echo "#define _ALL_SOURCE 1" >>confdefs.h
 
-if test "$MINIX" = yes; then
+  $as_echo "#define _GNU_SOURCE 1" >>confdefs.h
 
-cat >>confdefs.h <<\_ACEOF
-#define _POSIX_SOURCE 1
-_ACEOF
+  $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
 
+  $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h
 
-cat >>confdefs.h <<\_ACEOF
-#define _POSIX_1_SOURCE 2
-_ACEOF
 
 
-cat >>confdefs.h <<\_ACEOF
-#define _MINIX 1
-_ACEOF
-
-fi
-
 
 
 if test "x$cross_compiling" = "xyes"; then
@@ -3162,23 +3659,19 @@ fi
 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 
 if test $ac_cv_c_compiler_gnu = yes; then
-    echo "$as_me:$LINENO: checking whether $CC needs -traditional" >&5
-echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6
-if test "${ac_cv_prog_gcc_traditional+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+$as_echo_n "checking whether $CC needs -traditional... " >&6; }
+if test "${ac_cv_prog_gcc_traditional+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
     ac_pattern="Autoconf.*'x'"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sgtty.h>
 Autoconf TIOCGETP
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
   ac_cv_prog_gcc_traditional=yes
 else
   ac_cv_prog_gcc_traditional=no
@@ -3187,25 +3680,21 @@ rm -f conftest*
 
 
   if test $ac_cv_prog_gcc_traditional = no; then
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <termio.h>
 Autoconf TCGETA
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
   ac_cv_prog_gcc_traditional=yes
 fi
 rm -f conftest*
 
   fi
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_gcc_traditional" >&5
-echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+$as_echo "$ac_cv_prog_gcc_traditional" >&6; }
   if test $ac_cv_prog_gcc_traditional = yes; then
     CC="$CC -traditional"
   fi
@@ -3224,22 +3713,23 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
-echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+if test "${ac_cv_path_install+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
   *)
     # OSF1 and SCO ODT 3.0 have their own names for install.
@@ -3247,7 +3737,7 @@ case $as_dir/ in
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
 	  if test $ac_prog = install &&
 	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
@@ -3257,30 +3747,43 @@ case $as_dir/ in
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
-	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	    break 3
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
 	  fi
 	fi
       done
     done
     ;;
 esac
-done
 
+  done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
     INSTALL=$ac_cv_path_install
   else
-    # As a last resort, use the slow shell script.  We don't cache a
-    # path for INSTALL within a source directory, because that will
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
     # break other packages using the cache if that directory is
-    # removed, or if the path is relative.
+    # removed, or if the value is a relative name.
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:$LINENO: result: $INSTALL" >&5
-echo "${ECHO_T}$INSTALL" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
@@ -3292,10 +3795,10 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_AR+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AR+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
@@ -3305,35 +3808,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AR=""
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar"
 fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  echo "$as_me:$LINENO: result: $AR" >&5
-echo "${ECHO_T}$AR" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 test -n "$ARFLAGS" || ARFLAGS="cr"
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_RANLIB+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
@@ -3343,35 +3848,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  echo "$as_me:$LINENO: result: $RANLIB" >&5
-echo "${ECHO_T}$RANLIB" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 fi
 if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
@@ -3381,28 +3888,38 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
-  test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":"
 fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
-echo "${ECHO_T}$ac_ct_RANLIB" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-  RANLIB=$ac_ct_RANLIB
+  if test "x$ac_ct_RANLIB" = x; then
+    RANLIB=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    RANLIB=$ac_ct_RANLIB
+  fi
 else
   RANLIB="$ac_cv_prog_RANLIB"
 fi
@@ -3411,16 +3928,12 @@ fi
 MAKE_SHELL=/bin/sh
 
 
-echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
-echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6
-if test "${ac_cv_c_const+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
+$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
+if test "${ac_cv_c_const+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3430,10 +3943,10 @@ main ()
 #ifndef __cplusplus
   /* Ultrix mips cc rejects this.  */
   typedef int charset[2];
-  const charset x;
+  const charset cs;
   /* SunOS 4.1.1 cc rejects this.  */
-  char const *const *ccp;
-  char **p;
+  char const *const *pcpcc;
+  char **ppc;
   /* NEC SVR4.0.2 mips cc rejects this.  */
   struct point {int x, y;};
   static struct point const zero = {0,0};
@@ -3442,16 +3955,17 @@ main ()
      an arm of an if-expression whose if-part is not a constant
      expression */
   const char *g = "string";
-  ccp = &g + (g ? g-g : 0);
+  pcpcc = &g + (g ? g-g : 0);
   /* HPUX 7.0 cc rejects these. */
-  ++ccp;
-  p = (char**) ccp;
-  ccp = (char const *const *) p;
+  ++pcpcc;
+  ppc = (char**) pcpcc;
+  pcpcc = (char const *const *) ppc;
   { /* SCO 3.2v4 cc rejects this.  */
     char *t;
     char const *s = 0 ? (char *) 0 : (char const *) 0;
 
     *t++ = 0;
+    if (s) return 0;
   }
   { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
     int x[] = {25, 17};
@@ -3470,85 +3984,52 @@ main ()
   }
   { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
     const int foo = 10;
+    if (!foo) return 0;
   }
+  return !cs[0] && !zero.x;
 #endif
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_const=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_c_const=no
+  ac_cv_c_const=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
-echo "${ECHO_T}$ac_cv_c_const" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
+$as_echo "$ac_cv_c_const" >&6; }
 if test $ac_cv_c_const = no; then
 
-cat >>confdefs.h <<\_ACEOF
-#define const
-_ACEOF
+$as_echo "#define const /**/" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for function prototypes" >&5
-echo $ECHO_N "checking for function prototypes... $ECHO_C" >&6
-if test "$ac_cv_prog_cc_stdc" != no; then
-  echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for function prototypes" >&5
+$as_echo_n "checking for function prototypes... " >&6; }
+if test "$ac_cv_prog_cc_c89" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define PROTOTYPES 1
-_ACEOF
+$as_echo "#define PROTOTYPES 1" >>confdefs.h
 
 
-cat >>confdefs.h <<\_ACEOF
-#define __PROTOTYPES 1
-_ACEOF
+$as_echo "#define __PROTOTYPES 1" >>confdefs.h
 
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-
-echo "$as_me:$LINENO: checking whether char is unsigned" >&5
-echo $ECHO_N "checking whether char is unsigned... $ECHO_C" >&6
-if test "${ac_cv_c_char_unsigned+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
+$as_echo_n "checking whether char is unsigned... " >&6; }
+if test "${ac_cv_c_char_unsigned+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
@@ -3561,110 +4042,48 @@ test_array [0] = 0
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_char_unsigned=no
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_c_char_unsigned=yes
+  ac_cv_c_char_unsigned=yes
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_c_char_unsigned" >&5
-echo "${ECHO_T}$ac_cv_c_char_unsigned" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
+$as_echo "$ac_cv_c_char_unsigned" >&6; }
 if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define __CHAR_UNSIGNED__ 1
-_ACEOF
+  $as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking return type of signal handlers" >&5
-echo $ECHO_N "checking return type of signal handlers... $ECHO_C" >&6
-if test "${ac_cv_type_signal+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
+$as_echo_n "checking return type of signal handlers... " >&6; }
+if test "${ac_cv_type_signal+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <signal.h>
-#ifdef signal
-# undef signal
-#endif
-#ifdef __cplusplus
-extern "C" void (*signal (int, void (*)(int)))(int);
-#else
-void (*signal ()) ();
-#endif
 
 int
 main ()
 {
-int i;
+return *(signal (0, 0)) (0) == 1;
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_type_signal=void
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_type_signal=int
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_type_signal=int
+  ac_cv_type_signal=void
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_type_signal" >&5
-echo "${ECHO_T}$ac_cv_type_signal" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5
+$as_echo "$ac_cv_type_signal" >&6; }
 
 cat >>confdefs.h <<_ACEOF
 #define RETSIGTYPE $ac_cv_type_signal
@@ -3672,130 +4091,20 @@ _ACEOF
 
 
 
-echo "$as_me:$LINENO: checking for size_t" >&5
-echo $ECHO_N "checking for size_t... $ECHO_C" >&6
-if test "${ac_cv_type_size_t+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if ((size_t *) 0)
-  return 0;
-if (sizeof (size_t))
-  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_type_size_t=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
+if test "x$ac_cv_type_size_t" = x""yes; then :
 
-ac_cv_type_size_t=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
-echo "${ECHO_T}$ac_cv_type_size_t" >&6
-if test $ac_cv_type_size_t = yes; then
-  :
 else
 
 cat >>confdefs.h <<_ACEOF
-#define size_t unsigned
+#define size_t unsigned int
 _ACEOF
 
 fi
 
-echo "$as_me:$LINENO: checking for ssize_t" >&5
-echo $ECHO_N "checking for ssize_t... $ECHO_C" >&6
-if test "${ac_cv_type_ssize_t+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if ((ssize_t *) 0)
-  return 0;
-if (sizeof (ssize_t))
-  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_type_ssize_t=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default"
+if test "x$ac_cv_type_ssize_t" = x""yes; then :
 
-ac_cv_type_ssize_t=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5
-echo "${ECHO_T}$ac_cv_type_ssize_t" >&6
-if test $ac_cv_type_ssize_t = yes; then
-  :
 else
 
 cat >>confdefs.h <<_ACEOF
@@ -3805,16 +4114,12 @@ _ACEOF
 fi
 
 
-echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -3829,51 +4134,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -3883,18 +4160,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -3904,16 +4177,13 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
+#include <stdlib.h>
 #if ((' ' & 0x0FF) == 0x020)
 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
@@ -3933,121 +4203,81 @@ main ()
   for (i = 0; i < 256; i++)
     if (XOR (islower (i), ISLOWER (i))
 	|| toupper (i) != TOUPPER (i))
-      exit(2);
-  exit (0);
+      return 2;
+  return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-ac_cv_header_stdc=no
+else
+  ac_cv_header_stdc=no
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking whether stat file-mode macros are broken" >&5
-echo $ECHO_N "checking whether stat file-mode macros are broken... $ECHO_C" >&6
-if test "${ac_cv_header_stat_broken+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stat file-mode macros are broken" >&5
+$as_echo_n "checking whether stat file-mode macros are broken... " >&6; }
+if test "${ac_cv_header_stat_broken+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/stat.h>
 
-#if defined(S_ISBLK) && defined(S_IFDIR)
-# if S_ISBLK (S_IFDIR)
-You lose.
-# endif
+#if defined S_ISBLK && defined S_IFDIR
+extern char c1[S_ISBLK (S_IFDIR) ? -1 : 1];
 #endif
 
-#if defined(S_ISBLK) && defined(S_IFCHR)
-# if S_ISBLK (S_IFCHR)
-You lose.
-# endif
+#if defined S_ISBLK && defined S_IFCHR
+extern char c2[S_ISBLK (S_IFCHR) ? -1 : 1];
 #endif
 
-#if defined(S_ISLNK) && defined(S_IFREG)
-# if S_ISLNK (S_IFREG)
-You lose.
-# endif
+#if defined S_ISLNK && defined S_IFREG
+extern char c3[S_ISLNK (S_IFREG) ? -1 : 1];
 #endif
 
-#if defined(S_ISSOCK) && defined(S_IFREG)
-# if S_ISSOCK (S_IFREG)
-You lose.
-# endif
+#if defined S_ISSOCK && defined S_IFREG
+extern char c4[S_ISSOCK (S_IFREG) ? -1 : 1];
 #endif
 
 _ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "You lose" >/dev/null 2>&1; then
-  ac_cv_header_stat_broken=yes
-else
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stat_broken=no
+else
+  ac_cv_header_stat_broken=yes
 fi
-rm -f conftest*
-
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_stat_broken" >&5
-echo "${ECHO_T}$ac_cv_header_stat_broken" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stat_broken" >&5
+$as_echo "$ac_cv_header_stat_broken" >&6; }
 if test $ac_cv_header_stat_broken = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STAT_MACROS_BROKEN 1
-_ACEOF
+$as_echo "#define STAT_MACROS_BROKEN 1" >>confdefs.h
 
 fi
 
-
-
-
-
-
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
-  as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_hdr that defines DIR" >&5
-echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
+$as_echo_n "checking for $ac_hdr that defines DIR... " >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -4061,42 +4291,20 @@ return 0;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   eval "$as_ac_Header=yes"
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_Header=no"
+  eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+eval ac_res=\$$as_ac_Header
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
 _ACEOF
 
 ac_header_dirent=$ac_hdr; break
@@ -4105,1055 +4313,239 @@ fi
 done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
-  echo "$as_me:$LINENO: checking for library containing opendir" >&5
-echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6
-if test "${ac_cv_search_opendir+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
+$as_echo_n "checking for library containing opendir... " >&6; }
+if test "${ac_cv_search_opendir+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_opendir=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char opendir ();
 int
 main ()
 {
-opendir ();
+return opendir ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_opendir="none required"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_opendir" = no; then
-  for ac_lib in dir; do
+for ac_lib in '' dir; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_opendir=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_opendir+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_opendir+set}" = set; then :
 
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char opendir ();
-int
-main ()
-{
-opendir ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_opendir="-l$ac_lib"
-break
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-  done
+  ac_cv_search_opendir=no
 fi
+rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
-echo "${ECHO_T}$ac_cv_search_opendir" >&6
-if test "$ac_cv_search_opendir" != no; then
-  test "$ac_cv_search_opendir" = "none required" || LIBS="$ac_cv_search_opendir $LIBS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
+$as_echo "$ac_cv_search_opendir" >&6; }
+ac_res=$ac_cv_search_opendir
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 else
-  echo "$as_me:$LINENO: checking for library containing opendir" >&5
-echo $ECHO_N "checking for library containing opendir... $ECHO_C" >&6
-if test "${ac_cv_search_opendir+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
+$as_echo_n "checking for library containing opendir... " >&6; }
+if test "${ac_cv_search_opendir+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_opendir=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char opendir ();
 int
 main ()
 {
-opendir ();
+return opendir ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_opendir="none required"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_opendir" = no; then
-  for ac_lib in x; do
+for ac_lib in '' x; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_opendir=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_opendir+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_opendir+set}" = set; then :
 
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char opendir ();
-int
-main ()
-{
-opendir ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_opendir="-l$ac_lib"
-break
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-  done
+  ac_cv_search_opendir=no
 fi
+rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_opendir" >&5
-echo "${ECHO_T}$ac_cv_search_opendir" >&6
-if test "$ac_cv_search_opendir" != no; then
-  test "$ac_cv_search_opendir" = "none required" || LIBS="$ac_cv_search_opendir $LIBS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5
+$as_echo "$ac_cv_search_opendir" >&6; }
+ac_res=$ac_cv_search_opendir
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 fi
 
 
-
-
-
 for ac_func in fcntl kill lstat
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
 fi
 done
 
-
-
-
-
-
-
-
-
-
 for ac_func in memmove putenv select setenv setlocale \
 		strcasecmp strpbrk tcgetattr vsnprintf
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
 fi
 done
 
-
-
 for ac_func in isascii isxdigit
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
 fi
 done
 
-
-
-
 for ac_func in getpwent getpwnam getpwuid
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
 fi
 done
 
 
-echo "$as_me:$LINENO: checking for working strcoll" >&5
-echo $ECHO_N "checking for working strcoll... $ECHO_C" >&6
-if test "${ac_cv_func_strcoll_works+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working strcoll" >&5
+$as_echo_n "checking for working strcoll... " >&6; }
+if test "${ac_cv_func_strcoll_works+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   ac_cv_func_strcoll_works=no
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
 main ()
 {
-exit (strcoll ("abc", "def") >= 0 ||
+return (strcoll ("abc", "def") >= 0 ||
 	 strcoll ("ABC", "DEF") >= 0 ||
 	 strcoll ("123", "456") >= 0)
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   ac_cv_func_strcoll_works=yes
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_func_strcoll_works=no
+  ac_cv_func_strcoll_works=no
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
-echo "$as_me:$LINENO: result: $ac_cv_func_strcoll_works" >&5
-echo "${ECHO_T}$ac_cv_func_strcoll_works" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_strcoll_works" >&5
+$as_echo "$ac_cv_func_strcoll_works" >&6; }
 if test $ac_cv_func_strcoll_works = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_STRCOLL 1
-_ACEOF
+$as_echo "#define HAVE_STRCOLL 1" >>confdefs.h
 
 fi
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 for ac_header in fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
 		limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 fi
 
 done
 
-
-
-
-
 for ac_header in sys/pte.h sys/stream.h sys/select.h sys/file.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 fi
@@ -5161,65 +4553,17 @@ fi
 done
 
 
-
 for ac_header in sys/ptem.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
+do :
+  ac_fn_c_check_header_compile "$LINENO" "sys/ptem.h" "ac_cv_header_sys_ptem_h" "
 #if HAVE_SYS_STREAM_H
 #  include <sys/stream.h>
 #endif
 
-
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_Header=no"
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+"
+if test "x$ac_cv_header_sys_ptem_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_SYS_PTEM_H 1
 _ACEOF
 
 fi
@@ -5228,17 +4572,13 @@ done
 
 
 
-echo "$as_me:$LINENO: checking for type of signal functions" >&5
-echo $ECHO_N "checking for type of signal functions... $ECHO_C" >&6
-if test "${bash_cv_signal_vintage+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for type of signal functions" >&5
+$as_echo_n "checking for type of signal functions... " >&6; }
+if test "${bash_cv_signal_vintage+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
 
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <signal.h>
 int
@@ -5255,39 +4595,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   bash_cv_signal_vintage=posix
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <signal.h>
 int
@@ -5301,39 +4613,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   bash_cv_signal_vintage=4.2bsd
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 	#include <signal.h>
@@ -5350,86 +4634,52 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   bash_cv_signal_vintage=svr3
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_signal_vintage=v7
+  bash_cv_signal_vintage=v7
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_signal_vintage" >&5
-echo "${ECHO_T}$bash_cv_signal_vintage" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_signal_vintage" >&5
+$as_echo "$bash_cv_signal_vintage" >&6; }
 if test "$bash_cv_signal_vintage" = posix; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_POSIX_SIGNALS 1
-_ACEOF
+$as_echo "#define HAVE_POSIX_SIGNALS 1" >>confdefs.h
 
 elif test "$bash_cv_signal_vintage" = "4.2bsd"; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_BSD_SIGNALS 1
-_ACEOF
+$as_echo "#define HAVE_BSD_SIGNALS 1" >>confdefs.h
 
 elif test "$bash_cv_signal_vintage" = svr3; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USG_SIGHOLD 1
-_ACEOF
+$as_echo "#define HAVE_USG_SIGHOLD 1" >>confdefs.h
 
 fi
 
 
 
-echo "$as_me:$LINENO: checking if signal handlers must be reinstalled when invoked" >&5
-echo $ECHO_N "checking if signal handlers must be reinstalled when invoked... $ECHO_C" >&6
-if test "${bash_cv_must_reinstall_sighandlers+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if signal handlers must be reinstalled when invoked" >&5
+$as_echo_n "checking if signal handlers must be reinstalled when invoked... " >&6; }
+if test "${bash_cv_must_reinstall_sighandlers+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
-  { echo "$as_me:$LINENO: WARNING: cannot check signal handling if cross compiling -- defaulting to no" >&5
-echo "$as_me: WARNING: cannot check signal handling if cross compiling -- defaulting to no" >&2;}
+  if test "$cross_compiling" = yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot check signal handling if cross compiling -- defaulting to no" >&5
+$as_echo "$as_me: WARNING: cannot check signal handling if cross compiling -- defaulting to no" >&2;}
     bash_cv_must_reinstall_sighandlers=no
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <signal.h>
@@ -5476,57 +4726,38 @@ main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   bash_cv_must_reinstall_sighandlers=no
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-bash_cv_must_reinstall_sighandlers=yes
+  bash_cv_must_reinstall_sighandlers=yes
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_must_reinstall_sighandlers" >&5
-echo "${ECHO_T}$bash_cv_must_reinstall_sighandlers" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_must_reinstall_sighandlers" >&5
+$as_echo "$bash_cv_must_reinstall_sighandlers" >&6; }
 if test $bash_cv_must_reinstall_sighandlers = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define MUST_REINSTALL_SIGHANDLERS 1
-_ACEOF
+$as_echo "#define MUST_REINSTALL_SIGHANDLERS 1" >>confdefs.h
 
 fi
 
 
 
-echo "$as_me:$LINENO: checking for presence of POSIX-style sigsetjmp/siglongjmp" >&5
-echo $ECHO_N "checking for presence of POSIX-style sigsetjmp/siglongjmp... $ECHO_C" >&6
-if test "${bash_cv_func_sigsetjmp+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for presence of POSIX-style sigsetjmp/siglongjmp" >&5
+$as_echo_n "checking for presence of POSIX-style sigsetjmp/siglongjmp... " >&6; }
+if test "${bash_cv_func_sigsetjmp+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
-  { echo "$as_me:$LINENO: WARNING: cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing" >&5
-echo "$as_me: WARNING: cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing" >&2;}
+  if test "$cross_compiling" = yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing" >&5
+$as_echo "$as_me: WARNING: cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing" >&2;}
      bash_cv_func_sigsetjmp=missing
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef HAVE_UNISTD_H
@@ -5567,49 +4798,30 @@ exit(1);
 #endif
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   bash_cv_func_sigsetjmp=present
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-bash_cv_func_sigsetjmp=missing
+  bash_cv_func_sigsetjmp=missing
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_func_sigsetjmp" >&5
-echo "${ECHO_T}$bash_cv_func_sigsetjmp" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_func_sigsetjmp" >&5
+$as_echo "$bash_cv_func_sigsetjmp" >&6; }
 if test $bash_cv_func_sigsetjmp = present; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_POSIX_SIGSETJMP 1
-_ACEOF
+$as_echo "#define HAVE_POSIX_SIGSETJMP 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for lstat" >&5
-echo $ECHO_N "checking for lstat... $ECHO_C" >&6
-if test "${bash_cv_func_lstat+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for lstat" >&5
+$as_echo_n "checking for lstat... " >&6; }
+if test "${bash_cv_func_lstat+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -5623,64 +4835,34 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   bash_cv_func_lstat=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_func_lstat=no
+  bash_cv_func_lstat=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $bash_cv_func_lstat" >&5
-echo "${ECHO_T}$bash_cv_func_lstat" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_func_lstat" >&5
+$as_echo "$bash_cv_func_lstat" >&6; }
 if test $bash_cv_func_lstat = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_LSTAT 1
-_ACEOF
+  $as_echo "#define HAVE_LSTAT 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking whether or not strcoll and strcmp differ" >&5
-echo $ECHO_N "checking whether or not strcoll and strcmp differ... $ECHO_C" >&6
-if test "${bash_cv_func_strcoll_broken+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether or not strcoll and strcmp differ" >&5
+$as_echo_n "checking whether or not strcoll and strcmp differ... " >&6; }
+if test "${bash_cv_func_strcoll_broken+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
-  { echo "$as_me:$LINENO: WARNING: cannot check strcoll if cross compiling -- defaulting to no" >&5
-echo "$as_me: WARNING: cannot check strcoll if cross compiling -- defaulting to no" >&2;}
+  if test "$cross_compiling" = yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot check strcoll if cross compiling -- defaulting to no" >&5
+$as_echo "$as_me: WARNING: cannot check strcoll if cross compiling -- defaulting to no" >&2;}
     bash_cv_func_strcoll_broken=no
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <stdio.h>
@@ -5719,56 +4901,37 @@ char    *v[];
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   bash_cv_func_strcoll_broken=yes
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-bash_cv_func_strcoll_broken=no
+  bash_cv_func_strcoll_broken=no
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_func_strcoll_broken" >&5
-echo "${ECHO_T}$bash_cv_func_strcoll_broken" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_func_strcoll_broken" >&5
+$as_echo "$bash_cv_func_strcoll_broken" >&6; }
 if test $bash_cv_func_strcoll_broken = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define STRCOLL_BROKEN 1
-_ACEOF
+$as_echo "#define STRCOLL_BROKEN 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking whether the ctype macros accept non-ascii characters" >&5
-echo $ECHO_N "checking whether the ctype macros accept non-ascii characters... $ECHO_C" >&6
-if test "${bash_cv_func_ctype_nonascii+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the ctype macros accept non-ascii characters" >&5
+$as_echo_n "checking whether the ctype macros accept non-ascii characters... " >&6; }
+if test "${bash_cv_func_ctype_nonascii+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then
-  { echo "$as_me:$LINENO: WARNING: cannot check ctype macros if cross compiling -- defaulting to no" >&5
-echo "$as_me: WARNING: cannot check ctype macros if cross compiling -- defaulting to no" >&2;}
+  if test "$cross_compiling" = yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot check ctype macros if cross compiling -- defaulting to no" >&5
+$as_echo "$as_me: WARNING: cannot check ctype macros if cross compiling -- defaulting to no" >&2;}
     bash_cv_func_ctype_nonascii=no
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef HAVE_LOCALE_H
@@ -5802,50 +4965,31 @@ char	*v[];
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   bash_cv_func_ctype_nonascii=yes
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-bash_cv_func_ctype_nonascii=no
+  bash_cv_func_ctype_nonascii=no
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_func_ctype_nonascii" >&5
-echo "${ECHO_T}$bash_cv_func_ctype_nonascii" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_func_ctype_nonascii" >&5
+$as_echo "$bash_cv_func_ctype_nonascii" >&6; }
 if test $bash_cv_func_ctype_nonascii = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define CTYPE_NON_ASCII 1
-_ACEOF
+$as_echo "#define CTYPE_NON_ASCII 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking whether getpw functions are declared in pwd.h" >&5
-echo $ECHO_N "checking whether getpw functions are declared in pwd.h... $ECHO_C" >&6
-if test "${bash_cv_getpw_declared+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getpw functions are declared in pwd.h" >&5
+$as_echo_n "checking whether getpw functions are declared in pwd.h... " >&6; }
+if test "${bash_cv_getpw_declared+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -5856,7 +5000,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "getpwuid" >/dev/null 2>&1; then
+  $EGREP "getpwuid" >/dev/null 2>&1; then :
   bash_cv_getpw_declared=yes
 else
   bash_cv_getpw_declared=no
@@ -5865,26 +5009,20 @@ rm -f conftest*
 
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_getpw_declared" >&5
-echo "${ECHO_T}$bash_cv_getpw_declared" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_getpw_declared" >&5
+$as_echo "$bash_cv_getpw_declared" >&6; }
 if test $bash_cv_getpw_declared = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GETPW_DECLS 1
-_ACEOF
+$as_echo "#define HAVE_GETPW_DECLS 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking whether termios.h defines TIOCGWINSZ" >&5
-echo $ECHO_N "checking whether termios.h defines TIOCGWINSZ... $ECHO_C" >&6
-if test "${ac_cv_sys_tiocgwinsz_in_termios_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether termios.h defines TIOCGWINSZ" >&5
+$as_echo_n "checking whether termios.h defines TIOCGWINSZ... " >&6; }
+if test "${ac_cv_sys_tiocgwinsz_in_termios_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <termios.h>
@@ -5894,7 +5032,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then
+  $EGREP "yes" >/dev/null 2>&1; then :
   ac_cv_sys_tiocgwinsz_in_termios_h=yes
 else
   ac_cv_sys_tiocgwinsz_in_termios_h=no
@@ -5902,20 +5040,16 @@ fi
 rm -f conftest*
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_sys_tiocgwinsz_in_termios_h" >&5
-echo "${ECHO_T}$ac_cv_sys_tiocgwinsz_in_termios_h" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_tiocgwinsz_in_termios_h" >&5
+$as_echo "$ac_cv_sys_tiocgwinsz_in_termios_h" >&6; }
 
 if test $ac_cv_sys_tiocgwinsz_in_termios_h != yes; then
-  echo "$as_me:$LINENO: checking whether sys/ioctl.h defines TIOCGWINSZ" >&5
-echo $ECHO_N "checking whether sys/ioctl.h defines TIOCGWINSZ... $ECHO_C" >&6
-if test "${ac_cv_sys_tiocgwinsz_in_sys_ioctl_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sys/ioctl.h defines TIOCGWINSZ" >&5
+$as_echo_n "checking whether sys/ioctl.h defines TIOCGWINSZ... " >&6; }
+if test "${ac_cv_sys_tiocgwinsz_in_sys_ioctl_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -5925,7 +5059,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then
+  $EGREP "yes" >/dev/null 2>&1; then :
   ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes
 else
   ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no
@@ -5933,29 +5067,23 @@ fi
 rm -f conftest*
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&5
-echo "${ECHO_T}$ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&5
+$as_echo "$ac_cv_sys_tiocgwinsz_in_sys_ioctl_h" >&6; }
 
   if test $ac_cv_sys_tiocgwinsz_in_sys_ioctl_h = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define GWINSZ_IN_SYS_IOCTL 1
-_ACEOF
+$as_echo "#define GWINSZ_IN_SYS_IOCTL 1" >>confdefs.h
 
   fi
 fi
 
 
-echo "$as_me:$LINENO: checking whether signal handlers are of type void" >&5
-echo $ECHO_N "checking whether signal handlers are of type void... $ECHO_C" >&6
-if test "${bash_cv_void_sighandler+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether signal handlers are of type void" >&5
+$as_echo_n "checking whether signal handlers are of type void... " >&6; }
+if test "${bash_cv_void_sighandler+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <signal.h>
@@ -5974,56 +5102,26 @@ int i;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_void_sighandler=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_void_sighandler=no
+  bash_cv_void_sighandler=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $bash_cv_void_sighandler" >&5
-echo "${ECHO_T}$bash_cv_void_sighandler" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_void_sighandler" >&5
+$as_echo "$bash_cv_void_sighandler" >&6; }
 if test $bash_cv_void_sighandler = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define VOID_SIGHANDLER 1
-_ACEOF
+$as_echo "#define VOID_SIGHANDLER 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for TIOCSTAT in sys/ioctl.h" >&5
-echo $ECHO_N "checking for TIOCSTAT in sys/ioctl.h... $ECHO_C" >&6
-if test "${bash_cv_tiocstat_in_ioctl+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for TIOCSTAT in sys/ioctl.h" >&5
+$as_echo_n "checking for TIOCSTAT in sys/ioctl.h... " >&6; }
+if test "${bash_cv_tiocstat_in_ioctl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -6035,57 +5133,27 @@ int x = TIOCSTAT;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_tiocstat_in_ioctl=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_tiocstat_in_ioctl=no
+  bash_cv_tiocstat_in_ioctl=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_tiocstat_in_ioctl" >&5
-echo "${ECHO_T}$bash_cv_tiocstat_in_ioctl" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_tiocstat_in_ioctl" >&5
+$as_echo "$bash_cv_tiocstat_in_ioctl" >&6; }
 if test $bash_cv_tiocstat_in_ioctl = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define TIOCSTAT_IN_SYS_IOCTL 1
-_ACEOF
+$as_echo "#define TIOCSTAT_IN_SYS_IOCTL 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for FIONREAD in sys/ioctl.h" >&5
-echo $ECHO_N "checking for FIONREAD in sys/ioctl.h... $ECHO_C" >&6
-if test "${bash_cv_fionread_in_ioctl+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FIONREAD in sys/ioctl.h" >&5
+$as_echo_n "checking for FIONREAD in sys/ioctl.h... " >&6; }
+if test "${bash_cv_fionread_in_ioctl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -6097,57 +5165,27 @@ int x = FIONREAD;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_fionread_in_ioctl=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_fionread_in_ioctl=no
+  bash_cv_fionread_in_ioctl=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_fionread_in_ioctl" >&5
-echo "${ECHO_T}$bash_cv_fionread_in_ioctl" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_fionread_in_ioctl" >&5
+$as_echo "$bash_cv_fionread_in_ioctl" >&6; }
 if test $bash_cv_fionread_in_ioctl = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define FIONREAD_IN_SYS_IOCTL 1
-_ACEOF
+$as_echo "#define FIONREAD_IN_SYS_IOCTL 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for speed_t in sys/types.h" >&5
-echo $ECHO_N "checking for speed_t in sys/types.h... $ECHO_C" >&6
-if test "${bash_cv_speed_t_in_sys_types+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for speed_t in sys/types.h" >&5
+$as_echo_n "checking for speed_t in sys/types.h... " >&6; }
+if test "${bash_cv_speed_t_in_sys_types+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 int
@@ -6158,57 +5196,27 @@ speed_t x;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_speed_t_in_sys_types=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_speed_t_in_sys_types=no
+  bash_cv_speed_t_in_sys_types=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_speed_t_in_sys_types" >&5
-echo "${ECHO_T}$bash_cv_speed_t_in_sys_types" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_speed_t_in_sys_types" >&5
+$as_echo "$bash_cv_speed_t_in_sys_types" >&6; }
 if test $bash_cv_speed_t_in_sys_types = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define SPEED_T_IN_SYS_TYPES 1
-_ACEOF
+$as_echo "#define SPEED_T_IN_SYS_TYPES 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for struct winsize in sys/ioctl.h and termios.h" >&5
-echo $ECHO_N "checking for struct winsize in sys/ioctl.h and termios.h... $ECHO_C" >&6
-if test "${bash_cv_struct_winsize_header+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct winsize in sys/ioctl.h and termios.h" >&5
+$as_echo_n "checking for struct winsize in sys/ioctl.h and termios.h... " >&6; }
+if test "${bash_cv_struct_winsize_header+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -6220,38 +5228,10 @@ struct winsize x;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_struct_winsize_header=ioctl_h
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <termios.h>
@@ -6263,71 +5243,39 @@ struct winsize x;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_struct_winsize_header=termios_h
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_struct_winsize_header=other
+  bash_cv_struct_winsize_header=other
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
 if test $bash_cv_struct_winsize_header = ioctl_h; then
-  echo "$as_me:$LINENO: result: sys/ioctl.h" >&5
-echo "${ECHO_T}sys/ioctl.h" >&6
-  cat >>confdefs.h <<\_ACEOF
-#define STRUCT_WINSIZE_IN_SYS_IOCTL 1
-_ACEOF
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: sys/ioctl.h" >&5
+$as_echo "sys/ioctl.h" >&6; }
+  $as_echo "#define STRUCT_WINSIZE_IN_SYS_IOCTL 1" >>confdefs.h
 
 elif test $bash_cv_struct_winsize_header = termios_h; then
-  echo "$as_me:$LINENO: result: termios.h" >&5
-echo "${ECHO_T}termios.h" >&6
-  cat >>confdefs.h <<\_ACEOF
-#define STRUCT_WINSIZE_IN_TERMIOS 1
-_ACEOF
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: termios.h" >&5
+$as_echo "termios.h" >&6; }
+  $as_echo "#define STRUCT_WINSIZE_IN_TERMIOS 1" >>confdefs.h
 
 else
-  echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+$as_echo "not found" >&6; }
 fi
 
 
-echo "$as_me:$LINENO: checking for struct dirent.d_ino" >&5
-echo $ECHO_N "checking for struct dirent.d_ino... $ECHO_C" >&6
-if test "${bash_cv_dirent_has_dino+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct dirent.d_ino" >&5
+$as_echo_n "checking for struct dirent.d_ino... " >&6; }
+if test "${bash_cv_dirent_has_dino+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <stdio.h>
@@ -6360,58 +5308,28 @@ struct dirent d; int z; z = d.d_ino;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_dirent_has_dino=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_dirent_has_dino=no
+  bash_cv_dirent_has_dino=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_dirent_has_dino" >&5
-echo "${ECHO_T}$bash_cv_dirent_has_dino" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_dirent_has_dino" >&5
+$as_echo "$bash_cv_dirent_has_dino" >&6; }
 if test $bash_cv_dirent_has_dino = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_STRUCT_DIRENT_D_INO 1
-_ACEOF
+$as_echo "#define HAVE_STRUCT_DIRENT_D_INO 1" >>confdefs.h
 
 fi
 
 
-echo "$as_me:$LINENO: checking for struct dirent.d_fileno" >&5
-echo $ECHO_N "checking for struct dirent.d_fileno... $ECHO_C" >&6
-if test "${bash_cv_dirent_has_d_fileno+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct dirent.d_fileno" >&5
+$as_echo_n "checking for struct dirent.d_fileno... " >&6; }
+if test "${bash_cv_dirent_has_d_fileno+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <stdio.h>
@@ -6444,44 +5362,18 @@ struct dirent d; int z; z = d.d_fileno;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_dirent_has_d_fileno=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_dirent_has_d_fileno=no
+  bash_cv_dirent_has_d_fileno=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:$LINENO: result: $bash_cv_dirent_has_d_fileno" >&5
-echo "${ECHO_T}$bash_cv_dirent_has_d_fileno" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_dirent_has_d_fileno" >&5
+$as_echo "$bash_cv_dirent_has_d_fileno" >&6; }
 if test $bash_cv_dirent_has_d_fileno = yes; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_STRUCT_DIRENT_D_FILENO 1
-_ACEOF
+$as_echo "#define HAVE_STRUCT_DIRENT_D_FILENO 1" >>confdefs.h
 
 fi
 
@@ -6493,372 +5385,171 @@ esac
 if test "X$bash_cv_termcap_lib" = "X"; then
 _bash_needmsg=yes
 else
-echo "$as_me:$LINENO: checking which library has the termcap functions" >&5
-echo $ECHO_N "checking which library has the termcap functions... $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking which library has the termcap functions" >&5
+$as_echo_n "checking which library has the termcap functions... " >&6; }
 _bash_needmsg=
 fi
-if test "${bash_cv_termcap_lib+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  echo "$as_me:$LINENO: checking for tgetent" >&5
-echo $ECHO_N "checking for tgetent... $ECHO_C" >&6
-if test "${ac_cv_func_tgetent+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define tgetent to an innocuous variant, in case <limits.h> declares tgetent.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define tgetent innocuous_tgetent
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char tgetent (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef tgetent
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char tgetent ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_tgetent) || defined (__stub___tgetent)
-choke me
-#else
-char (*f) () = tgetent;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != tgetent;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_tgetent=yes
+if test "${bash_cv_termcap_lib+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_tgetent=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_func_tgetent" >&5
-echo "${ECHO_T}$ac_cv_func_tgetent" >&6
-if test $ac_cv_func_tgetent = yes; then
+  ac_fn_c_check_func "$LINENO" "tgetent" "ac_cv_func_tgetent"
+if test "x$ac_cv_func_tgetent" = x""yes; then :
   bash_cv_termcap_lib=libc
 else
-  echo "$as_me:$LINENO: checking for tgetent in -ltermcap" >&5
-echo $ECHO_N "checking for tgetent in -ltermcap... $ECHO_C" >&6
-if test "${ac_cv_lib_termcap_tgetent+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -ltermcap" >&5
+$as_echo_n "checking for tgetent in -ltermcap... " >&6; }
+if test "${ac_cv_lib_termcap_tgetent+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ltermcap  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char tgetent ();
 int
 main ()
 {
-tgetent ();
+return tgetent ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_termcap_tgetent=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_termcap_tgetent=no
+  ac_cv_lib_termcap_tgetent=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_termcap_tgetent" >&5
-echo "${ECHO_T}$ac_cv_lib_termcap_tgetent" >&6
-if test $ac_cv_lib_termcap_tgetent = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_termcap_tgetent" >&5
+$as_echo "$ac_cv_lib_termcap_tgetent" >&6; }
+if test "x$ac_cv_lib_termcap_tgetent" = x""yes; then :
   bash_cv_termcap_lib=libtermcap
 else
-  echo "$as_me:$LINENO: checking for tgetent in -ltinfo" >&5
-echo $ECHO_N "checking for tgetent in -ltinfo... $ECHO_C" >&6
-if test "${ac_cv_lib_tinfo_tgetent+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -ltinfo" >&5
+$as_echo_n "checking for tgetent in -ltinfo... " >&6; }
+if test "${ac_cv_lib_tinfo_tgetent+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ltinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char tgetent ();
 int
 main ()
 {
-tgetent ();
+return tgetent ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_tinfo_tgetent=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_tinfo_tgetent=no
+  ac_cv_lib_tinfo_tgetent=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_tinfo_tgetent" >&5
-echo "${ECHO_T}$ac_cv_lib_tinfo_tgetent" >&6
-if test $ac_cv_lib_tinfo_tgetent = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tinfo_tgetent" >&5
+$as_echo "$ac_cv_lib_tinfo_tgetent" >&6; }
+if test "x$ac_cv_lib_tinfo_tgetent" = x""yes; then :
   bash_cv_termcap_lib=libtinfo
 else
-  echo "$as_me:$LINENO: checking for tgetent in -lcurses" >&5
-echo $ECHO_N "checking for tgetent in -lcurses... $ECHO_C" >&6
-if test "${ac_cv_lib_curses_tgetent+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -lcurses" >&5
+$as_echo_n "checking for tgetent in -lcurses... " >&6; }
+if test "${ac_cv_lib_curses_tgetent+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcurses  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char tgetent ();
 int
 main ()
 {
-tgetent ();
+return tgetent ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_curses_tgetent=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_curses_tgetent=no
+  ac_cv_lib_curses_tgetent=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_curses_tgetent" >&5
-echo "${ECHO_T}$ac_cv_lib_curses_tgetent" >&6
-if test $ac_cv_lib_curses_tgetent = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_curses_tgetent" >&5
+$as_echo "$ac_cv_lib_curses_tgetent" >&6; }
+if test "x$ac_cv_lib_curses_tgetent" = x""yes; then :
   bash_cv_termcap_lib=libcurses
 else
-  echo "$as_me:$LINENO: checking for tgetent in -lncurses" >&5
-echo $ECHO_N "checking for tgetent in -lncurses... $ECHO_C" >&6
-if test "${ac_cv_lib_ncurses_tgetent+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -lncurses" >&5
+$as_echo_n "checking for tgetent in -lncurses... " >&6; }
+if test "${ac_cv_lib_ncurses_tgetent+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lncurses  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char tgetent ();
 int
 main ()
 {
-tgetent ();
+return tgetent ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_ncurses_tgetent=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_ncurses_tgetent=no
+  ac_cv_lib_ncurses_tgetent=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_ncurses_tgetent" >&5
-echo "${ECHO_T}$ac_cv_lib_ncurses_tgetent" >&6
-if test $ac_cv_lib_ncurses_tgetent = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ncurses_tgetent" >&5
+$as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
+if test "x$ac_cv_lib_ncurses_tgetent" = x""yes; then :
   bash_cv_termcap_lib=libncurses
 else
   bash_cv_termcap_lib=gnutermcap
@@ -6875,11 +5566,11 @@ fi
 fi
 
 if test "X$_bash_needmsg" = "Xyes"; then
-echo "$as_me:$LINENO: checking which library has the termcap functions" >&5
-echo $ECHO_N "checking which library has the termcap functions... $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking which library has the termcap functions" >&5
+$as_echo_n "checking which library has the termcap functions... " >&6; }
 fi
-echo "$as_me:$LINENO: result: using $bash_cv_termcap_lib" >&5
-echo "${ECHO_T}using $bash_cv_termcap_lib" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: using $bash_cv_termcap_lib" >&5
+$as_echo "using $bash_cv_termcap_lib" >&6; }
 if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then
 LDFLAGS="$LDFLAGS -L./lib/termcap"
 TERMCAP_LIB="./lib/termcap/libtermcap.a"
@@ -6910,450 +5601,36 @@ if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 fi
 
 
-
 for ac_header in wctype.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "wctype.h" "ac_cv_header_wctype_h" "$ac_includes_default"
+if test "x$ac_cv_header_wctype_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_WCTYPE_H 1
 _ACEOF
 
 fi
 
 done
 
-
 for ac_header in wchar.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "wchar.h" "ac_cv_header_wchar_h" "$ac_includes_default"
+if test "x$ac_cv_header_wchar_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_WCHAR_H 1
 _ACEOF
 
 fi
 
 done
 
-
 for ac_header in langinfo.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ----------------------------------- ##
-## Report this to bug-readline@gnu.org ##
-## ----------------------------------- ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "langinfo.h" "ac_cv_header_langinfo_h" "$ac_includes_default"
+if test "x$ac_cv_header_langinfo_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_LANGINFO_H 1
 _ACEOF
 
 fi
@@ -7361,585 +5638,39 @@ fi
 done
 
 
-echo "$as_me:$LINENO: checking for mbsrtowcs" >&5
-echo $ECHO_N "checking for mbsrtowcs... $ECHO_C" >&6
-if test "${ac_cv_func_mbsrtowcs+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define mbsrtowcs to an innocuous variant, in case <limits.h> declares mbsrtowcs.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define mbsrtowcs innocuous_mbsrtowcs
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char mbsrtowcs (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef mbsrtowcs
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char mbsrtowcs ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_mbsrtowcs) || defined (__stub___mbsrtowcs)
-choke me
-#else
-char (*f) () = mbsrtowcs;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != mbsrtowcs;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_mbsrtowcs=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_mbsrtowcs=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_func_mbsrtowcs" >&5
-echo "${ECHO_T}$ac_cv_func_mbsrtowcs" >&6
-if test $ac_cv_func_mbsrtowcs = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_MBSRTOWCS 1
-_ACEOF
+ac_fn_c_check_func "$LINENO" "mbsrtowcs" "ac_cv_func_mbsrtowcs"
+if test "x$ac_cv_func_mbsrtowcs" = x""yes; then :
+  $as_echo "#define HAVE_MBSRTOWCS 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for mbrtowc" >&5
-echo $ECHO_N "checking for mbrtowc... $ECHO_C" >&6
-if test "${ac_cv_func_mbrtowc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define mbrtowc to an innocuous variant, in case <limits.h> declares mbrtowc.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define mbrtowc innocuous_mbrtowc
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char mbrtowc (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef mbrtowc
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char mbrtowc ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_mbrtowc) || defined (__stub___mbrtowc)
-choke me
-#else
-char (*f) () = mbrtowc;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != mbrtowc;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_mbrtowc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+ac_fn_c_check_func "$LINENO" "mbrtowc" "ac_cv_func_mbrtowc"
+if test "x$ac_cv_func_mbrtowc" = x""yes; then :
+  $as_echo "#define HAVE_MBRTOWC 1" >>confdefs.h
 
-ac_cv_func_mbrtowc=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_func_mbrtowc" >&5
-echo "${ECHO_T}$ac_cv_func_mbrtowc" >&6
-if test $ac_cv_func_mbrtowc = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_MBRTOWC 1
-_ACEOF
-
-fi
-
-echo "$as_me:$LINENO: checking for mbrlen" >&5
-echo $ECHO_N "checking for mbrlen... $ECHO_C" >&6
-if test "${ac_cv_func_mbrlen+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define mbrlen to an innocuous variant, in case <limits.h> declares mbrlen.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define mbrlen innocuous_mbrlen
 
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char mbrlen (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
+ac_fn_c_check_func "$LINENO" "mbrlen" "ac_cv_func_mbrlen"
+if test "x$ac_cv_func_mbrlen" = x""yes; then :
+  $as_echo "#define HAVE_MBRLEN 1" >>confdefs.h
 
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef mbrlen
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char mbrlen ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_mbrlen) || defined (__stub___mbrlen)
-choke me
-#else
-char (*f) () = mbrlen;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != mbrlen;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_mbrlen=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_mbrlen=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_func_mbrlen" >&5
-echo "${ECHO_T}$ac_cv_func_mbrlen" >&6
-if test $ac_cv_func_mbrlen = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_MBRLEN 1
-_ACEOF
-
-fi
-
-echo "$as_me:$LINENO: checking for wctomb" >&5
-echo $ECHO_N "checking for wctomb... $ECHO_C" >&6
-if test "${ac_cv_func_wctomb+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define wctomb to an innocuous variant, in case <limits.h> declares wctomb.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define wctomb innocuous_wctomb
 
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char wctomb (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
+ac_fn_c_check_func "$LINENO" "wctomb" "ac_cv_func_wctomb"
+if test "x$ac_cv_func_wctomb" = x""yes; then :
+  $as_echo "#define HAVE_WCTOMB 1" >>confdefs.h
 
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef wctomb
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char wctomb ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_wctomb) || defined (__stub___wctomb)
-choke me
-#else
-char (*f) () = wctomb;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != wctomb;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_wctomb=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_wctomb=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_func_wctomb" >&5
-echo "${ECHO_T}$ac_cv_func_wctomb" >&6
-if test $ac_cv_func_wctomb = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_WCTOMB 1
-_ACEOF
-
-fi
-
-echo "$as_me:$LINENO: checking for wcwidth" >&5
-echo $ECHO_N "checking for wcwidth... $ECHO_C" >&6
-if test "${ac_cv_func_wcwidth+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define wcwidth to an innocuous variant, in case <limits.h> declares wcwidth.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define wcwidth innocuous_wcwidth
 
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char wcwidth (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
+ac_fn_c_check_func "$LINENO" "wcwidth" "ac_cv_func_wcwidth"
+if test "x$ac_cv_func_wcwidth" = x""yes; then :
+  $as_echo "#define HAVE_WCWIDTH 1" >>confdefs.h
 
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef wcwidth
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char wcwidth ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_wcwidth) || defined (__stub___wcwidth)
-choke me
-#else
-char (*f) () = wcwidth;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != wcwidth;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_wcwidth=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_wcwidth=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_func_wcwidth" >&5
-echo "${ECHO_T}$ac_cv_func_wcwidth" >&6
-if test $ac_cv_func_wcwidth = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_WCWIDTH 1
-_ACEOF
-
-fi
-
-echo "$as_me:$LINENO: checking for wcsdup" >&5
-echo $ECHO_N "checking for wcsdup... $ECHO_C" >&6
-if test "${ac_cv_func_wcsdup+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define wcsdup to an innocuous variant, in case <limits.h> declares wcsdup.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define wcsdup innocuous_wcsdup
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char wcsdup (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef wcsdup
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char wcsdup ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_wcsdup) || defined (__stub___wcsdup)
-choke me
-#else
-char (*f) () = wcsdup;
-#endif
-#ifdef __cplusplus
-}
-#endif
 
-int
-main ()
-{
-return f != wcsdup;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_func_wcsdup=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_func_wcsdup=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_func_wcsdup" >&5
-echo "${ECHO_T}$ac_cv_func_wcsdup" >&6
-if test $ac_cv_func_wcsdup = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_WCSDUP 1
-_ACEOF
+ac_fn_c_check_func "$LINENO" "wcsdup" "ac_cv_func_wcsdup"
+if test "x$ac_cv_func_wcsdup" = x""yes; then :
+  $as_echo "#define HAVE_WCSDUP 1" >>confdefs.h
 
 fi
 
@@ -7951,16 +5682,12 @@ else
 fi
 
 
-echo "$as_me:$LINENO: checking for mbstate_t" >&5
-echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6
-if test "${bash_cv_have_mbstate_t+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for mbstate_t" >&5
+$as_echo_n "checking for mbstate_t... " >&6; }
+if test "${bash_cv_have_mbstate_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <wchar.h>
@@ -7976,56 +5703,26 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   bash_cv_have_mbstate_t=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_have_mbstate_t=no
+  bash_cv_have_mbstate_t=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $bash_cv_have_mbstate_t" >&5
-echo "${ECHO_T}$bash_cv_have_mbstate_t" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_have_mbstate_t" >&5
+$as_echo "$bash_cv_have_mbstate_t" >&6; }
 if test $bash_cv_have_mbstate_t = yes; then
-	cat >>confdefs.h <<\_ACEOF
-#define HAVE_MBSTATE_T 1
-_ACEOF
+	$as_echo "#define HAVE_MBSTATE_T 1" >>confdefs.h
 
 fi
 
-echo "$as_me:$LINENO: checking for nl_langinfo and CODESET" >&5
-echo $ECHO_N "checking for nl_langinfo and CODESET... $ECHO_C" >&6
-if test "${bash_cv_langinfo_codeset+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for nl_langinfo and CODESET" >&5
+$as_echo_n "checking for nl_langinfo and CODESET... " >&6; }
+if test "${bash_cv_langinfo_codeset+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <langinfo.h>
 int
@@ -8036,44 +5733,18 @@ char* cs = nl_langinfo(CODESET);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   bash_cv_langinfo_codeset=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-bash_cv_langinfo_codeset=no
+  bash_cv_langinfo_codeset=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $bash_cv_langinfo_codeset" >&5
-echo "${ECHO_T}$bash_cv_langinfo_codeset" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_langinfo_codeset" >&5
+$as_echo "$bash_cv_langinfo_codeset" >&6; }
 if test $bash_cv_langinfo_codeset = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_LANGINFO_CODESET 1
-_ACEOF
+  $as_echo "#define HAVE_LANGINFO_CODESET 1" >>confdefs.h
 
 fi
 
@@ -8094,8 +5765,8 @@ esac
 # ${srcdir}/support/shobj-conf
 #
 if test -f ${srcdir}/support/shobj-conf; then
-        echo "$as_me:$LINENO: checking configuration for building shared libraries" >&5
-echo $ECHO_N "checking configuration for building shared libraries... $ECHO_C" >&6
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking configuration for building shared libraries" >&5
+$as_echo_n "checking configuration for building shared libraries... " >&6; }
         eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
 
 #	case "$SHLIB_LIBS" in
@@ -8118,8 +5789,8 @@ echo $ECHO_N "checking configuration for building shared libraries... $ECHO_C" >
 
 
 
-        echo "$as_me:$LINENO: result: $SHLIB_STATUS" >&5
-echo "${ECHO_T}$SHLIB_STATUS" >&6
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SHLIB_STATUS" >&5
+$as_echo "$SHLIB_STATUS" >&6; }
 
 	# SHLIB_STATUS is either `supported' or `unsupported'.  If it's
 	# `unsupported', turn off any default shared library building
@@ -8177,8 +5848,10 @@ esac
 
 
 
-                                        ac_config_files="$ac_config_files Makefile doc/Makefile examples/Makefile shlib/Makefile"
-          ac_config_commands="$ac_config_commands default"
+ac_config_files="$ac_config_files Makefile doc/Makefile examples/Makefile shlib/Makefile"
+
+ac_config_commands="$ac_config_commands default"
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -8197,39 +5870,59 @@ _ACEOF
 
 # The following way of writing the cache mishandles newlines in values,
 # but we know of no workaround that is simple, portable, and efficient.
-# So, don't put newlines in cache variables' values.
+# So, we kill variables containing newlines.
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
-{
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
   (set) 2>&1 |
-    case `(ac_space=' '; set | grep ac_space) 2>&1` in
-    *ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
-      ;;
+      ;; #(
     *)
       # `set' quotes correctly as required by POSIX, so do not add quotes.
-      sed -n \
-	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
-    esac;
-} |
+    esac |
+    sort
+) |
   sed '
+     /^ac_cv_env_/b end
      t clear
-     : clear
+     :clear
      s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
      t end
-     /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
-     : end' >>confcache
-if diff $cache_file confcache >/dev/null 2>&1; then :; else
-  if test -w $cache_file; then
-    test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    test "x$cache_file" != "x/dev/null" &&
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
     cat confcache >$cache_file
   else
-    echo "not updating unwritable cache $cache_file"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -8238,32 +5931,18 @@ test "x$prefix" = xNONE && prefix=$ac_default_prefix
 # Let make expand exec_prefix.
 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
-# trailing colons and then remove the whole line if VPATH becomes empty
-# (actually we leave an empty line to preserve line numbers).
-if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/;
-s/:*\${srcdir}:*/:/;
-s/:*@srcdir@:*/:/;
-s/^\([^=]*=[	 ]*\):*/\1/;
-s/:*$//;
-s/^[^=]*=[	 ]*$//;
-}'
-fi
-
 DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
-  ac_i=`echo "$ac_i" |
-	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
-  # 2. Add them.
-  ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -8272,11 +5951,13 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 : ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
-echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -8286,81 +5967,252 @@ cat >$CONFIG_STATUS <<_ACEOF
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
-
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
-  set -o posix
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
 fi
-DUALCASE=1; export DUALCASE # for MKS sh
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
 
-# Work around bugs in pre-3.0 UWIN ksh.
-$as_unset ENV MAIL MAILPATH
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    $as_unset $as_var
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-done
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
 
-# Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
-as_me=`$as_basename "$0" ||
+as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)$' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
-  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\/\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
 
-# PATH needs CR, and LINENO needs CR and PATH.
 # Avoid depending upon Character Ranges.
 as_cr_letters='abcdefghijklmnopqrstuvwxyz'
 as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
@@ -8368,148 +6220,123 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
-fi
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
-  # Find who we are.  Look in the path if we contain no path at all
-  # relative or not.
-  case $0 in
-    *[\\/]* ) as_myself=$0 ;;
-    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-
-       ;;
-  esac
-  # We did not find ourselves, most probably we were run as `sh COMMAND'
-  # in which case we are not to be found in the path.
-  if test "x$as_myself" = x; then
-    as_myself=$0
-  fi
-  if test ! -f "$as_myself"; then
-    { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
-echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
-   { (exit 1); exit 1; }; }
-  fi
-  case $CONFIG_SHELL in
-  '')
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for as_base in sh bash ksh sh5; do
-	 case $as_dir in
-	 /*)
-	   if ("$as_dir/$as_base" -c '
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
-	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
-	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
-	     CONFIG_SHELL=$as_dir/$as_base
-	     export CONFIG_SHELL
-	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
-	   fi;;
-	 esac
-       done
-done
-;;
-  esac
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line before each line; the second 'sed' does the real
-  # work.  The second script uses 'N' to pair each line-number line
-  # with the numbered line, and appends trailing '-' during
-  # substitution so that $LINENO is not a special case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
-  sed '=' <$as_myself |
-    sed '
-      N
-      s,$,-,
-      : loop
-      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
-      t loop
-      s,-$,,
-      s,^['$as_cr_digits']*\n,,
-    ' >$as_me.lineno &&
-  chmod +x $as_me.lineno ||
-    { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
-echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
-  . ./$as_me.lineno
-  # Exit status is that of the last command.
-  exit
-}
-
-
-case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C='
-' ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
-  as_expr=expr
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
 else
-  as_expr=false
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
 fi
-
-rm -f conf$$ conf$$.exe conf$$.file
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  # We could just check for DJGPP; but this test a) works b) is more generic
-  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
-  if test -f conf$$.exe; then
-    # Don't use ln at all; we don't have any links
-    as_ln_s='cp -p'
-  else
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
   fi
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.file
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
 
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-as_executable_p="test -f"
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -8518,31 +6345,20 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.
-as_nl='
-'
-IFS=" 	$as_nl"
-
-# CDPATH.
-$as_unset CDPATH
-
 exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 
-# Open the log real soon, to keep \$[0] and so on meaningful, and to
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
-# values after options handling.  Logging --version etc. is OK.
-exec 5>>config.log
-{
-  echo
-  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
-## Running $as_me. ##
-_ASBOX
-} >&5
-cat >&5 <<_CSEOF
-
+# values after options handling.
+ac_log="
 This file was extended by readline $as_me 5.1-release, which was
-generated by GNU Autoconf 2.59.  Invocation command line was
+generated by GNU Autoconf 2.64.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -8550,45 +6366,46 @@ generated by GNU Autoconf 2.59.  Invocation command line was
   CONFIG_COMMANDS = $CONFIG_COMMANDS
   $ $0 $@
 
-_CSEOF
-echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
-echo >&5
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
 _ACEOF
 
-# Files that config.status was made for.
-if test -n "$ac_config_files"; then
-  echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
-fi
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
 
-if test -n "$ac_config_headers"; then
-  echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
-fi
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
 
-if test -n "$ac_config_links"; then
-  echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
-fi
 
-if test -n "$ac_config_commands"; then
-  echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
-fi
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+_ACEOF
 
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
-current configuration.
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
 
-Usage: $0 [OPTIONS] [FILE]...
+Usage: $0 [OPTION]... [TAG]...
 
   -h, --help       print this help, then exit
-  -V, --version    print version number, then exit
-  -q, --quiet      do not print progress messages
+  -V, --version    print version number and configuration settings, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
-  --file=FILE[:TEMPLATE]
-		   instantiate the configuration file FILE
-  --header=FILE[:TEMPLATE]
-		   instantiate the configuration header FILE
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
 
 Configuration files:
 $config_files
@@ -8599,84 +6416,81 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <bug-autoconf@gnu.org>."
-_ACEOF
+Report bugs to <bug-readline@gnu.org>."
 
-cat >>$CONFIG_STATUS <<_ACEOF
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
 readline config.status 5.1-release
-configured by $0, generated by GNU Autoconf 2.59,
-  with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.64,
+  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright (C) 2003 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
-srcdir=$srcdir
-INSTALL="$INSTALL"
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+test -n "\$AWK" || AWK=awk
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-# If no file are specified by the user, then we need to provide default
-# value.  By we need to know if files were specified by the user.
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
 ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
   --*=*)
-    ac_option=`expr "x$1" : 'x\([^=]*\)='`
-    ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  -*)
+  *)
     ac_option=$1
     ac_optarg=$2
     ac_shift=shift
     ;;
-  *) # This is not an option, so the user has probably given explicit
-     # arguments.
-     ac_option=$1
-     ac_need_defaults=false;;
   esac
 
   case $ac_option in
   # Handling of the options.
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
-  --version | --vers* | -V )
-    echo "$ac_cs_version"; exit 0 ;;
-  --he | --h)
-    # Conflict between --help and --header
-    { { echo "$as_me:$LINENO: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&5
-echo "$as_me: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&2;}
-   { (exit 1); exit 1; }; };;
-  --help | --hel | -h )
-    echo "$ac_cs_usage"; exit 0 ;;
-  --debug | --d* | -d )
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
-    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
-    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&5
-echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2;}
-   { (exit 1); exit 1; }; } ;;
+  -*) as_fn_error "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
-  *) ac_config_targets="$ac_config_targets $1" ;;
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
 
   esac
   shift
@@ -8690,35 +6504,49 @@ if $ac_cs_silent; then
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-  exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
 fi
 
 _ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
 
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACEOF
 
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 
-
-
-cat >>$CONFIG_STATUS <<\_ACEOF
+# Handling of arguments.
 for ac_config_target in $ac_config_targets
 do
-  case "$ac_config_target" in
-  # Handling of arguments.
-  "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-  "doc/Makefile" ) CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
-  "examples/Makefile" ) CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
-  "shlib/Makefile" ) CONFIG_FILES="$CONFIG_FILES shlib/Makefile" ;;
-  "default" ) CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
-  "config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
-  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
+  case $ac_config_target in
+    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
+    "shlib/Makefile") CONFIG_FILES="$CONFIG_FILES shlib/Makefile" ;;
+    "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
+
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
+
 # If the user did not use the arguments to specify the items to instantiate,
 # then the envvar interface is used.  Set only those that are not.
 # We use the long form for the default assignment because of an extremely
@@ -8730,723 +6558,549 @@ if $ac_need_defaults; then
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason to put it here, and in addition,
+# simply because there is no reason against having it here, and in addition,
 # creating and moving files from /tmp can sometimes cause problems.
-# Create a temporary directory, and hook for its removal unless debugging.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
 }
-
 # Create a (secure) tmp directory for tmp files.
 
 {
-  tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
   test -n "$tmp" && test -d "$tmp"
 }  ||
 {
-  tmp=./confstat$$-$RANDOM
-  (umask 077 && mkdir $tmp)
-} ||
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
+
+
 {
-   echo "$me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\).*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\).*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
 }
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
 
-_ACEOF
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
 
-cat >>$CONFIG_STATUS <<_ACEOF
+  print line
+}
 
-#
-# CONFIG_FILES section.
-#
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[	 ]*$//
+}'
+fi
 
-# No need to generate the scripts if there are no CONFIG_FILES.
-# This happens for instance when ./config.status config.h
-if test -n "\$CONFIG_FILES"; then
-  # Protect against being on the right side of a sed subst in config.status.
-  sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
-   s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
-s,@SHELL@,$SHELL,;t t
-s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
-s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
-s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
-s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
-s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
-s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
-s,@exec_prefix@,$exec_prefix,;t t
-s,@prefix@,$prefix,;t t
-s,@program_transform_name@,$program_transform_name,;t t
-s,@bindir@,$bindir,;t t
-s,@sbindir@,$sbindir,;t t
-s,@libexecdir@,$libexecdir,;t t
-s,@datadir@,$datadir,;t t
-s,@sysconfdir@,$sysconfdir,;t t
-s,@sharedstatedir@,$sharedstatedir,;t t
-s,@localstatedir@,$localstatedir,;t t
-s,@libdir@,$libdir,;t t
-s,@includedir@,$includedir,;t t
-s,@oldincludedir@,$oldincludedir,;t t
-s,@infodir@,$infodir,;t t
-s,@mandir@,$mandir,;t t
-s,@build_alias@,$build_alias,;t t
-s,@host_alias@,$host_alias,;t t
-s,@target_alias@,$target_alias,;t t
-s,@DEFS@,$DEFS,;t t
-s,@ECHO_C@,$ECHO_C,;t t
-s,@ECHO_N@,$ECHO_N,;t t
-s,@ECHO_T@,$ECHO_T,;t t
-s,@LIBS@,$LIBS,;t t
-s,@build@,$build,;t t
-s,@build_cpu@,$build_cpu,;t t
-s,@build_vendor@,$build_vendor,;t t
-s,@build_os@,$build_os,;t t
-s,@host@,$host,;t t
-s,@host_cpu@,$host_cpu,;t t
-s,@host_vendor@,$host_vendor,;t t
-s,@host_os@,$host_os,;t t
-s,@CROSS_COMPILE@,$CROSS_COMPILE,;t t
-s,@SET_MAKE@,$SET_MAKE,;t t
-s,@CC@,$CC,;t t
-s,@CFLAGS@,$CFLAGS,;t t
-s,@LDFLAGS@,$LDFLAGS,;t t
-s,@CPPFLAGS@,$CPPFLAGS,;t t
-s,@ac_ct_CC@,$ac_ct_CC,;t t
-s,@EXEEXT@,$EXEEXT,;t t
-s,@OBJEXT@,$OBJEXT,;t t
-s,@CPP@,$CPP,;t t
-s,@EGREP@,$EGREP,;t t
-s,@CC_FOR_BUILD@,$CC_FOR_BUILD,;t t
-s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
-s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
-s,@INSTALL_DATA@,$INSTALL_DATA,;t t
-s,@AR@,$AR,;t t
-s,@RANLIB@,$RANLIB,;t t
-s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
-s,@MAKE_SHELL@,$MAKE_SHELL,;t t
-s,@WCWIDTH_OBJ@,$WCWIDTH_OBJ,;t t
-s,@SHOBJ_CC@,$SHOBJ_CC,;t t
-s,@SHOBJ_CFLAGS@,$SHOBJ_CFLAGS,;t t
-s,@SHOBJ_LD@,$SHOBJ_LD,;t t
-s,@SHOBJ_LDFLAGS@,$SHOBJ_LDFLAGS,;t t
-s,@SHOBJ_XLDFLAGS@,$SHOBJ_XLDFLAGS,;t t
-s,@SHOBJ_LIBS@,$SHOBJ_LIBS,;t t
-s,@SHOBJ_STATUS@,$SHOBJ_STATUS,;t t
-s,@SHLIB_STATUS@,$SHLIB_STATUS,;t t
-s,@SHLIB_XLDFLAGS@,$SHLIB_XLDFLAGS,;t t
-s,@SHLIB_DOT@,$SHLIB_DOT,;t t
-s,@SHLIB_LIBPREF@,$SHLIB_LIBPREF,;t t
-s,@SHLIB_LIBSUFF@,$SHLIB_LIBSUFF,;t t
-s,@SHLIB_LIBVERSION@,$SHLIB_LIBVERSION,;t t
-s,@SHLIB_DLLVERSION@,$SHLIB_DLLVERSION,;t t
-s,@SHLIB_LIBS@,$SHLIB_LIBS,;t t
-s,@SHLIB_MAJOR@,$SHLIB_MAJOR,;t t
-s,@SHLIB_MINOR@,$SHLIB_MINOR,;t t
-s,@STATIC_TARGET@,$STATIC_TARGET,;t t
-s,@SHARED_TARGET@,$SHARED_TARGET,;t t
-s,@STATIC_INSTALL_TARGET@,$STATIC_INSTALL_TARGET,;t t
-s,@SHARED_INSTALL_TARGET@,$SHARED_INSTALL_TARGET,;t t
-s,@PURIFY@,$PURIFY,;t t
-s,@BUILD_DIR@,$BUILD_DIR,;t t
-s,@LOCAL_CFLAGS@,$LOCAL_CFLAGS,;t t
-s,@LOCAL_LDFLAGS@,$LOCAL_LDFLAGS,;t t
-s,@LOCAL_DEFS@,$LOCAL_DEFS,;t t
-s,@ARFLAGS@,$ARFLAGS,;t t
-s,@LIBVERSION@,$LIBVERSION,;t t
-s,@TERMCAP_LIB@,$TERMCAP_LIB,;t t
-s,@LIBOBJS@,$LIBOBJS,;t t
-s,@LTLIBOBJS@,$LTLIBOBJS,;t t
-CEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
 
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
 _ACEOF
 
-  cat >>$CONFIG_STATUS <<\_ACEOF
-  # Split the substitutions into bite-sized pieces for seds with
-  # small command number limits, like on Digital OSF/1 and HP-UX.
-  ac_max_sed_lines=48
-  ac_sed_frag=1 # Number of current file.
-  ac_beg=1 # First line for current file.
-  ac_end=$ac_max_sed_lines # Line after last line for current file.
-  ac_more_lines=:
-  ac_sed_cmds=
-  while $ac_more_lines; do
-    if test $ac_beg -gt 1; then
-      sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-    else
-      sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-    fi
-    if test ! -s $tmp/subs.frag; then
-      ac_more_lines=false
-    else
-      # The purpose of the label and of the branching condition is to
-      # speed up the sed processing (if there are no `@' at all, there
-      # is no need to browse any of the substitutions).
-      # These are the two extra sed commands mentioned above.
-      (echo ':t
-  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
-      if test -z "$ac_sed_cmds"; then
-	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
-      else
-	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
-      fi
-      ac_sed_frag=`expr $ac_sed_frag + 1`
-      ac_beg=$ac_end
-      ac_end=`expr $ac_end + $ac_max_sed_lines`
-    fi
-  done
-  if test -z "$ac_sed_cmds"; then
-    ac_sed_cmds=cat
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
-fi # test -n "$CONFIG_FILES"
+done
 
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case $ac_file in
-  - | *:- | *:-:* ) # input from stdin
-	cat >$tmp/stdin
-	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  * )   ac_file_in=$ac_file.in ;;
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+    fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
   esac
 
-  # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
-  ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+  ac_dir=`$as_dirname -- "$ac_file" ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-  { if $as_mkdir_p; then
-    mkdir -p "$ac_dir"
-  else
-    as_dir="$ac_dir"
-    as_dirs=
-    while test ! -d "$as_dir"; do
-      as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-    done
-    test ! -n "$as_dirs" || mkdir $as_dirs
-  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
-echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-   { (exit 1); exit 1; }; }; }
-
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
   ac_builddir=.
 
-if test "$ac_dir" != .; then
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A "../" for each directory in $ac_dir_suffix.
-  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
-else
-  ac_dir_suffix= ac_top_builddir=
-fi
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
 
 case $srcdir in
-  .)  # No --srcdir option.  We are building in place.
+  .)  # We are building in place.
     ac_srcdir=.
-    if test -z "$ac_top_builddir"; then
-       ac_top_srcdir=.
-    else
-       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-    fi ;;
-  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir ;;
-  *) # Relative path.
-    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
 esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
-# Do not use `cd foo && pwd` to compute absolute paths, because
-# the directories may not exist.
-case `pwd` in
-.) ac_abs_builddir="$ac_dir";;
-*)
-  case "$ac_dir" in
-  .) ac_abs_builddir=`pwd`;;
-  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-  *) ac_abs_builddir=`pwd`/"$ac_dir";;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_builddir=${ac_top_builddir}.;;
-*)
-  case ${ac_top_builddir}. in
-  .) ac_abs_top_builddir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_srcdir=$ac_srcdir;;
-*)
-  case $ac_srcdir in
-  .) ac_abs_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_srcdir=$ac_top_srcdir;;
-*)
-  case $ac_top_srcdir in
-  .) ac_abs_top_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-  esac;;
-esac
 
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
 
   case $INSTALL in
   [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
-  *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
+  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
   esac
+_ACEOF
 
-  if test x"$ac_file" != x-; then
-    { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    rm -f "$ac_file"
-  fi
-  # Let's still pretend it is `configure' which instantiates (i.e., don't
-  # use $as_me), people would be surprised to read:
-  #    /* config.h.  Generated by config.status.  */
-  if test x"$ac_file" = x-; then
-    configure_input=
-  else
-    configure_input="$ac_file.  "
-  fi
-  configure_input=$configure_input"Generated from `echo $ac_file_in |
-				     sed 's,.*/,,'` by configure."
-
-  # First look for the input files in the build tree, otherwise in the
-  # src tree.
-  ac_file_inputs=`IFS=:
-    for f in $ac_file_in; do
-      case $f in
-      -) echo $tmp/stdin ;;
-      [\\/$]*)
-	 # Absolute (can't be DOS-style, as IFS=:)
-	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 echo "$f";;
-      *) # Relative
-	 if test -f "$f"; then
-	   # Build tree
-	   echo "$f"
-	 elif test -f "$srcdir/$f"; then
-	   # Source tree
-	   echo "$srcdir/$f"
-	 else
-	   # /dev/null tree
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 fi;;
-      esac
-    done` || { (exit 1); exit 1; }
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+  s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
-  sed "$ac_vpsub
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s,@configure_input@,$configure_input,;t t
-s,@srcdir@,$ac_srcdir,;t t
-s,@abs_srcdir@,$ac_abs_srcdir,;t t
-s,@top_srcdir@,$ac_top_srcdir,;t t
-s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
-s,@builddir@,$ac_builddir,;t t
-s,@abs_builddir@,$ac_abs_builddir,;t t
-s,@top_builddir@,$ac_top_builddir,;t t
-s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
-s,@INSTALL@,$ac_INSTALL,;t t
-" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
-  rm -f $tmp/stdin
-  if test x"$ac_file" != x-; then
-    mv $tmp/out $ac_file
-  else
-    cat $tmp/out
-    rm -f $tmp/out
-  fi
-
-done
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-
-#
-# CONFIG_HEADER section.
-#
-
-# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
-# NAME is the cpp macro being defined and VALUE is the value it is being given.
-#
-# ac_d sets the value in "#define NAME VALUE" lines.
-ac_dA='s,^\([	 ]*\)#\([	 ]*define[	 ][	 ]*\)'
-ac_dB='[	 ].*$,\1#\2'
-ac_dC=' '
-ac_dD=',;t'
-# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-ac_uA='s,^\([	 ]*\)#\([	 ]*\)undef\([	 ][	 ]*\)'
-ac_uB='$,\1#\2define\3'
-ac_uC=' '
-ac_uD=',;t'
-
-for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
   case $ac_file in
-  - | *:- | *:-:* ) # input from stdin
-	cat >$tmp/stdin
-	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  * )   ac_file_in=$ac_file.in ;;
-  esac
-
-  test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-
-  # First look for the input files in the build tree, otherwise in the
-  # src tree.
-  ac_file_inputs=`IFS=:
-    for f in $ac_file_in; do
-      case $f in
-      -) echo $tmp/stdin ;;
-      [\\/$]*)
-	 # Absolute (can't be DOS-style, as IFS=:)
-	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 # Do quote $f, to prevent DOS paths from being IFS'd.
-	 echo "$f";;
-      *) # Relative
-	 if test -f "$f"; then
-	   # Build tree
-	   echo "$f"
-	 elif test -f "$srcdir/$f"; then
-	   # Source tree
-	   echo "$srcdir/$f"
-	 else
-	   # /dev/null tree
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 fi;;
-      esac
-    done` || { (exit 1); exit 1; }
-  # Remove the trailing spaces.
-  sed 's/[	 ]*$//' $ac_file_inputs >$tmp/in
-
-_ACEOF
-
-# Transform confdefs.h into two sed scripts, `conftest.defines' and
-# `conftest.undefs', that substitutes the proper values into
-# config.h.in to produce config.h.  The first handles `#define'
-# templates, and the second `#undef' templates.
-# And first: Protect against being on the right side of a sed subst in
-# config.status.  Protect against being in an unquoted here document
-# in config.status.
-rm -f conftest.defines conftest.undefs
-# Using a here document instead of a string reduces the quoting nightmare.
-# Putting comments in sed scripts is not portable.
-#
-# `end' is used to avoid that the second main sed command (meant for
-# 0-ary CPP macros) applies to n-ary macro definitions.
-# See the Autoconf documentation for `clear'.
-cat >confdef2sed.sed <<\_ACEOF
-s/[\\&,]/\\&/g
-s,[\\$`],\\&,g
-t clear
-: clear
-s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*\)\(([^)]*)\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
-t end
-s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
-: end
-_ACEOF
-# If some macros were called several times there might be several times
-# the same #defines, which is useless.  Nevertheless, we may not want to
-# sort them, since we want the *last* AC-DEFINE to be honored.
-uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines
-sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs
-rm -f confdef2sed.sed
-
-# This sed command replaces #undef with comments.  This is necessary, for
-# example, in the case of _POSIX_SOURCE, which is predefined and required
-# on some systems where configure will not decide to define it.
-cat >>conftest.undefs <<\_ACEOF
-s,^[	 ]*#[	 ]*undef[	 ][	 ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
-_ACEOF
-
-# Break up conftest.defines because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo '  # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
-echo '  if grep "^[	 ]*#[	 ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
-echo '  # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
-echo '  :' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.defines >/dev/null
-do
-  # Write a limited-size here document to $tmp/defines.sed.
-  echo '  cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
-  # Speed up: don't consider the non `#define' lines.
-  echo '/^[	 ]*#[	 ]*define/!b' >>$CONFIG_STATUS
-  # Work around the forget-to-reset-the-flag bug.
-  echo 't clr' >>$CONFIG_STATUS
-  echo ': clr' >>$CONFIG_STATUS
-  sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS
-  echo 'CEOF
-  sed -f $tmp/defines.sed $tmp/in >$tmp/out
-  rm -f $tmp/in
-  mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
-  sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail
-  rm -f conftest.defines
-  mv conftest.tail conftest.defines
-done
-rm -f conftest.defines
-echo '  fi # grep' >>$CONFIG_STATUS
-echo >>$CONFIG_STATUS
-
-# Break up conftest.undefs because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo '  # Handle all the #undef templates' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.undefs >/dev/null
-do
-  # Write a limited-size here document to $tmp/undefs.sed.
-  echo '  cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
-  # Speed up: don't consider the non `#undef'
-  echo '/^[	 ]*#[	 ]*undef/!b' >>$CONFIG_STATUS
-  # Work around the forget-to-reset-the-flag bug.
-  echo 't clr' >>$CONFIG_STATUS
-  echo ': clr' >>$CONFIG_STATUS
-  sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS
-  echo 'CEOF
-  sed -f $tmp/undefs.sed $tmp/in >$tmp/out
-  rm -f $tmp/in
-  mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
-  sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail
-  rm -f conftest.undefs
-  mv conftest.tail conftest.undefs
-done
-rm -f conftest.undefs
-
-cat >>$CONFIG_STATUS <<\_ACEOF
-  # Let's still pretend it is `configure' which instantiates (i.e., don't
-  # use $as_me), people would be surprised to read:
-  #    /* config.h.  Generated by config.status.  */
-  if test x"$ac_file" = x-; then
-    echo "/* Generated by configure.  */" >$tmp/config.h
-  else
-    echo "/* $ac_file.  Generated by configure.  */" >$tmp/config.h
-  fi
-  cat $tmp/in >>$tmp/config.h
-  rm -f $tmp/in
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
   if test x"$ac_file" != x-; then
-    if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
-      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
-echo "$as_me: $ac_file is unchanged" >&6;}
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
-      ac_dir=`(dirname "$ac_file") 2>/dev/null ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-      { if $as_mkdir_p; then
-    mkdir -p "$ac_dir"
-  else
-    as_dir="$ac_dir"
-    as_dirs=
-    while test ! -d "$as_dir"; do
-      as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-    done
-    test ! -n "$as_dirs" || mkdir $as_dirs
-  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
-echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-   { (exit 1); exit 1; }; }; }
-
-      rm -f $ac_file
-      mv $tmp/config.h $ac_file
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file" \
+	|| as_fn_error "could not create $ac_file" "$LINENO" 5
     fi
   else
-    cat $tmp/config.h
-    rm -f $tmp/config.h
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error "could not create -" "$LINENO" 5
   fi
-done
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-
-#
-# CONFIG_COMMANDS section.
-#
-for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue
-  ac_dest=`echo "$ac_file" | sed 's,:.*,,'`
-  ac_source=`echo "$ac_file" | sed 's,[^:]*:,,'`
-  ac_dir=`(dirname "$ac_dest") 2>/dev/null ||
-$as_expr X"$ac_dest" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_dest" : 'X\(//\)[^/]' \| \
-	 X"$ac_dest" : 'X\(//\)$' \| \
-	 X"$ac_dest" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$ac_dest" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-  { if $as_mkdir_p; then
-    mkdir -p "$ac_dir"
-  else
-    as_dir="$ac_dir"
-    as_dirs=
-    while test ! -d "$as_dir"; do
-      as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-    done
-    test ! -n "$as_dirs" || mkdir $as_dirs
-  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
-echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-   { (exit 1); exit 1; }; }; }
-
-  ac_builddir=.
-
-if test "$ac_dir" != .; then
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A "../" for each directory in $ac_dir_suffix.
-  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
-else
-  ac_dir_suffix= ac_top_builddir=
-fi
-
-case $srcdir in
-  .)  # No --srcdir option.  We are building in place.
-    ac_srcdir=.
-    if test -z "$ac_top_builddir"; then
-       ac_top_srcdir=.
-    else
-       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-    fi ;;
-  [\\/]* | ?:[\\/]* )  # Absolute path.
-    ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir ;;
-  *) # Relative path.
-    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_builddir$srcdir ;;
-esac
+ ;;
 
-# Do not use `cd foo && pwd` to compute absolute paths, because
-# the directories may not exist.
-case `pwd` in
-.) ac_abs_builddir="$ac_dir";;
-*)
-  case "$ac_dir" in
-  .) ac_abs_builddir=`pwd`;;
-  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-  *) ac_abs_builddir=`pwd`/"$ac_dir";;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_builddir=${ac_top_builddir}.;;
-*)
-  case ${ac_top_builddir}. in
-  .) ac_abs_top_builddir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_srcdir=$ac_srcdir;;
-*)
-  case $ac_srcdir in
-  .) ac_abs_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_srcdir=$ac_top_srcdir;;
-*)
-  case $ac_top_srcdir in
-  .) ac_abs_top_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-  esac;;
-esac
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+  esac
 
 
-  { echo "$as_me:$LINENO: executing $ac_dest commands" >&5
-echo "$as_me: executing $ac_dest commands" >&6;}
-  case $ac_dest in
-    default )
+  case $ac_file$ac_mode in
+    "default":C)
 # Makefile uses this timestamp file to record whether config.h is up to date.
 echo > stamp-h
  ;;
+
   esac
-done
-_ACEOF
+done # for ac_tag
 
-cat >>$CONFIG_STATUS <<\_ACEOF
 
-{ (exit 0); exit 0; }
+as_fn_exit 0
 _ACEOF
-chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
+test $ac_write_fail = 0 ||
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
 
 # configure is writing to config.log, and then calls config.status.
 # config.status does its own redirection, appending to config.log.
@@ -9466,6 +7120,10 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit $?
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
diff --git a/readline/examples/rlfe/ChangeLog b/readline/examples/rlfe/ChangeLog
index b542e51..210f6eb 100644
--- a/readline/examples/rlfe/ChangeLog
+++ b/readline/examples/rlfe/ChangeLog
@@ -1,5 +1,7 @@
 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+	* configure: Regenerate.
+
 	* configure.in: m4_include toplevel config/override.m4.
 	* configure: Regenerate.
 
diff --git a/readline/examples/rlfe/configure b/readline/examples/rlfe/configure
index 31476b5..1f9d38a 100755
--- a/readline/examples/rlfe/configure
+++ b/readline/examples/rlfe/configure
@@ -1,81 +1,413 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59.
+# Generated by GNU Autoconf 2.64.
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
+# Foundation, Inc.
 #
-# Copyright (C) 2003 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
-  set -o posix
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
 fi
-DUALCASE=1; export DUALCASE # for MKS sh
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
 else
-  as_unset=false
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
 
-# Work around bugs in pre-3.0 UWIN ksh.
-$as_unset ENV MAIL MAILPATH
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_unset $as_var
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
   fi
-done
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  fi
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
 
-# Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
-as_me=`$as_basename "$0" ||
+as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)$' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
-  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\/\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
 
-# PATH needs CR, and LINENO needs CR and PATH.
 # Avoid depending upon Character Ranges.
 as_cr_letters='abcdefghijklmnopqrstuvwxyz'
 as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
@@ -83,146 +415,107 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
-fi
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
-  # Find who we are.  Look in the path if we contain no path at all
-  # relative or not.
-  case $0 in
-    *[\\/]* ) as_myself=$0 ;;
-    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-
-       ;;
-  esac
-  # We did not find ourselves, most probably we were run as `sh COMMAND'
-  # in which case we are not to be found in the path.
-  if test "x$as_myself" = x; then
-    as_myself=$0
-  fi
-  if test ! -f "$as_myself"; then
-    { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2
-   { (exit 1); exit 1; }; }
-  fi
-  case $CONFIG_SHELL in
-  '')
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for as_base in sh bash ksh sh5; do
-	 case $as_dir in
-	 /*)
-	   if ("$as_dir/$as_base" -c '
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
-	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
-	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
-	     CONFIG_SHELL=$as_dir/$as_base
-	     export CONFIG_SHELL
-	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
-	   fi;;
-	 esac
-       done
-done
-;;
-  esac
 
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line before each line; the second 'sed' does the real
-  # work.  The second script uses 'N' to pair each line-number line
-  # with the numbered line, and appends trailing '-' during
-  # substitution so that $LINENO is not a special case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
-  sed '=' <$as_myself |
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
     sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
       N
-      s,$,-,
-      : loop
-      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
       t loop
-      s,-$,,
-      s,^['$as_cr_digits']*\n,,
+      s/-\n.*//
     ' >$as_me.lineno &&
-  chmod +x $as_me.lineno ||
-    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
-  . ./$as_me.lineno
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
   # Exit status is that of the last command.
   exit
 }
 
-
-case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C='
-' ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
-  as_expr=expr
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
 else
-  as_expr=false
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
 fi
-
-rm -f conf$$ conf$$.exe conf$$.file
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  # We could just check for DJGPP; but this test a) works b) is more generic
-  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
-  if test -f conf$$.exe; then
-    # Don't use ln at all; we don't have any links
-    as_ln_s='cp -p'
-  else
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
   fi
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.file
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-as_executable_p="test -f"
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -231,38 +524,24 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.
-as_nl='
-'
-IFS=" 	$as_nl"
-
-# CDPATH.
-$as_unset CDPATH
-
+exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
-exec 6>&1
-
 #
 # Initializations.
 #
 ac_default_prefix=/usr/local
+ac_clean_files=
 ac_config_libobj_dir=.
+LIBOBJS=
 cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
-
-# Maximum number of lines to put in a shell here document.
-# This variable seems obsolete.  It should probably be removed, and
-# only ac_max_sed_lines should be used.
-: ${ac_max_here_lines=38}
 
 # Identity of this package.
 PACKAGE_NAME=
@@ -270,15 +549,85 @@ PACKAGE_TARNAME=
 PACKAGE_VERSION=
 PACKAGE_STRING=
 PACKAGE_BUGREPORT=
+PACKAGE_URL=
 
 ac_unique_file="rlfe.c"
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS VERSION CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP AWK WRITEPATH XTERMPATH LIBOBJS LTLIBOBJS'
+ac_subst_vars='LTLIBOBJS
+LIBOBJS
+XTERMPATH
+WRITEPATH
+AWK
+EGREP
+GREP
+CPP
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+VERSION
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
 ac_subst_files=''
-ac_pwd=`pwd`
+ac_user_opts='
+enable_option_checking
+with_pty_mode
+with_pty_group
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CPP'
+
 
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
 cache_file=/dev/null
@@ -301,34 +650,48 @@ x_libraries=NONE
 # and all the variables that are supposed to be based on exec_prefix
 # by default will actually change.
 # Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
 bindir='${exec_prefix}/bin'
 sbindir='${exec_prefix}/sbin'
 libexecdir='${exec_prefix}/libexec'
-datadir='${prefix}/share'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-libdir='${exec_prefix}/lib'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-infodir='${prefix}/info'
-mandir='${prefix}/man'
+docdir='${datarootdir}/doc/${PACKAGE}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
 
 ac_prev=
+ac_dashdash=
 for ac_option
 do
   # If the previous option needs an argument, assign it.
   if test -n "$ac_prev"; then
-    eval "$ac_prev=\$ac_option"
+    eval $ac_prev=\$ac_option
     ac_prev=
     continue
   fi
 
-  ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
+  case $ac_option in
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
+  esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case $ac_option in
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
@@ -350,33 +713,59 @@ do
   --config-cache | -C)
     cache_file=config.cache ;;
 
-  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+  -datadir | --datadir | --datadi | --datad)
     ac_prev=datadir ;;
-  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
-  | --da=*)
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
     datadir=$ac_optarg ;;
 
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
   -disable-* | --disable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    eval "enable_$ac_feature=no" ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    case $ac_option in
-      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
-      *) ac_optarg=yes ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
     esac
-    eval "enable_$ac_feature='$ac_optarg'" ;;
+    eval enable_$ac_useropt=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -403,6 +792,12 @@ do
   -host=* | --host=* | --hos=* | --ho=*)
     host_alias=$ac_optarg ;;
 
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
   -includedir | --includedir | --includedi | --included | --include \
   | --includ | --inclu | --incl | --inc)
     ac_prev=includedir ;;
@@ -427,13 +822,16 @@ do
   | --libexe=* | --libex=* | --libe=*)
     libexecdir=$ac_optarg ;;
 
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
   -localstatedir | --localstatedir | --localstatedi | --localstated \
-  | --localstate | --localstat | --localsta | --localst \
-  | --locals | --local | --loca | --loc | --lo)
+  | --localstate | --localstat | --localsta | --localst | --locals)
     ac_prev=localstatedir ;;
   -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
-  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
-  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
     localstatedir=$ac_optarg ;;
 
   -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
@@ -498,6 +896,16 @@ do
   | --progr-tra=* | --program-tr=* | --program-t=*)
     program_transform_name=$ac_optarg ;;
 
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
@@ -548,26 +956,36 @@ do
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package| sed 's/-/_/g'`
-    case $ac_option in
-      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
-      *) ac_optarg=yes ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
     esac
-    eval "with_$ac_package='$ac_optarg'" ;;
+    eval with_$ac_useropt=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/-/_/g'`
-    eval "with_$ac_package=no" ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -587,26 +1005,25 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { echo "$as_me: error: unrecognized option: $ac_option
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; }
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
-   { (exit 1); exit 1; }; }
-    ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
-    eval "$ac_envvar='$ac_optarg'"
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
@@ -615,31 +1032,36 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { echo "$as_me: error: missing argument to $ac_option" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "missing argument to $ac_option"
 fi
 
-# Be sure to have absolute paths.
-for ac_var in exec_prefix prefix
-do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
-    [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
-    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; };;
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
-done
+fi
 
-# Be sure to have absolute paths.
-for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
-	      localstatedir libdir includedir oldincludedir infodir mandir
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir
 do
-  eval ac_val=$`echo $ac_var`
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
   case $ac_val in
-    [\\/$]* | ?:[\\/]* ) ;;
-    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; };;
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
   esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -653,7 +1075,7 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
     If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
@@ -666,74 +1088,72 @@ test -n "$host_alias" && ac_tool_prefix=$host_alias-
 test "$silent" = yes && exec 6>/dev/null
 
 
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error "pwd does not report name of working directory"
+
+
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
-  # Try the directory containing this script, then its parent.
-  ac_confdir=`(dirname "$0") 2>/dev/null ||
-$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$0" : 'X\(//\)[^/]' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$0" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
   srcdir=$ac_confdir
-  if test ! -r $srcdir/$ac_unique_file; then
+  if test ! -r "$srcdir/$ac_unique_file"; then
     srcdir=..
   fi
 else
   ac_srcdir_defaulted=no
 fi
-if test ! -r $srcdir/$ac_unique_file; then
-  if test "$ac_srcdir_defaulted" = yes; then
-    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $ac_confdir or .." >&2
-   { (exit 1); exit 1; }; }
-  else
-    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
-   { (exit 1); exit 1; }; }
-  fi
-fi
-(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
-  { echo "$as_me: error: sources are in $srcdir, but \`cd $srcdir' does not work" >&2
-   { (exit 1); exit 1; }; }
-srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'`
-ac_env_build_alias_set=${build_alias+set}
-ac_env_build_alias_value=$build_alias
-ac_cv_env_build_alias_set=${build_alias+set}
-ac_cv_env_build_alias_value=$build_alias
-ac_env_host_alias_set=${host_alias+set}
-ac_env_host_alias_value=$host_alias
-ac_cv_env_host_alias_set=${host_alias+set}
-ac_cv_env_host_alias_value=$host_alias
-ac_env_target_alias_set=${target_alias+set}
-ac_env_target_alias_value=$target_alias
-ac_cv_env_target_alias_set=${target_alias+set}
-ac_cv_env_target_alias_value=$target_alias
-ac_env_CC_set=${CC+set}
-ac_env_CC_value=$CC
-ac_cv_env_CC_set=${CC+set}
-ac_cv_env_CC_value=$CC
-ac_env_CFLAGS_set=${CFLAGS+set}
-ac_env_CFLAGS_value=$CFLAGS
-ac_cv_env_CFLAGS_set=${CFLAGS+set}
-ac_cv_env_CFLAGS_value=$CFLAGS
-ac_env_LDFLAGS_set=${LDFLAGS+set}
-ac_env_LDFLAGS_value=$LDFLAGS
-ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
-ac_cv_env_LDFLAGS_value=$LDFLAGS
-ac_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_env_CPPFLAGS_value=$CPPFLAGS
-ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_cv_env_CPPFLAGS_value=$CPPFLAGS
-ac_env_CPP_set=${CPP+set}
-ac_env_CPP_value=$CPP
-ac_cv_env_CPP_set=${CPP+set}
-ac_cv_env_CPP_value=$CPP
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
 
 #
 # Report the --help message.
@@ -762,14 +1182,11 @@ Configuration:
   -n, --no-create         do not create output files
       --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
-_ACEOF
-
-  cat <<_ACEOF
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-			  [$ac_default_prefix]
+                          [$ac_default_prefix]
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-			  [PREFIX]
+                          [PREFIX]
 
 By default, \`make install' will install all the files in
 \`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
@@ -779,18 +1196,25 @@ for instance \`--prefix=\$HOME'.
 For better control, use the options below.
 
 Fine tuning of the installation directories:
-  --bindir=DIR           user executables [EPREFIX/bin]
-  --sbindir=DIR          system admin executables [EPREFIX/sbin]
-  --libexecdir=DIR       program executables [EPREFIX/libexec]
-  --datadir=DIR          read-only architecture-independent data [PREFIX/share]
-  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
-  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
-  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
-  --libdir=DIR           object code libraries [EPREFIX/lib]
-  --includedir=DIR       C header files [PREFIX/include]
-  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
-  --infodir=DIR          info documentation [PREFIX/info]
-  --mandir=DIR           man documentation [PREFIX/man]
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
 _ACEOF
 
   cat <<\_ACEOF
@@ -812,126 +1236,331 @@ Some influential environment variables:
   CFLAGS      C compiler flags
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
-  CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
-              headers in a nonstandard directory <include dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
+Report bugs to the package provider.
 _ACEOF
+ac_status=$?
 fi
 
 if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
-  ac_popdir=`pwd`
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d $ac_dir || continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
     ac_builddir=.
 
-if test "$ac_dir" != .; then
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A "../" for each directory in $ac_dir_suffix.
-  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
-else
-  ac_dir_suffix= ac_top_builddir=
-fi
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
 
 case $srcdir in
-  .)  # No --srcdir option.  We are building in place.
+  .)  # We are building in place.
     ac_srcdir=.
-    if test -z "$ac_top_builddir"; then
-       ac_top_srcdir=.
-    else
-       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-    fi ;;
-  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir ;;
-  *) # Relative path.
-    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
 esac
-
-# Do not use `cd foo && pwd` to compute absolute paths, because
-# the directories may not exist.
-case `pwd` in
-.) ac_abs_builddir="$ac_dir";;
-*)
-  case "$ac_dir" in
-  .) ac_abs_builddir=`pwd`;;
-  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-  *) ac_abs_builddir=`pwd`/"$ac_dir";;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_builddir=${ac_top_builddir}.;;
-*)
-  case ${ac_top_builddir}. in
-  .) ac_abs_top_builddir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_srcdir=$ac_srcdir;;
-*)
-  case $ac_srcdir in
-  .) ac_abs_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_srcdir=$ac_top_srcdir;;
-*)
-  case $ac_top_srcdir in
-  .) ac_abs_top_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-  esac;;
-esac
-
-    cd $ac_dir
-    # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f $ac_srcdir/configure.gnu; then
-      echo
-      $SHELL $ac_srcdir/configure.gnu  --help=recursive
-    elif test -f $ac_srcdir/configure; then
-      echo
-      $SHELL $ac_srcdir/configure  --help=recursive
-    elif test -f $ac_srcdir/configure.ac ||
-	   test -f $ac_srcdir/configure.in; then
-      echo
-      $ac_configure --help
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for guested configure.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
-    fi
-    cd $ac_popdir
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
   done
 fi
 
-test -n "$ac_init_help" && exit 0
+test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
+configure
+generated by GNU Autoconf 2.64
 
-Copyright (C) 2003 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
-  exit 0
+  exit
 fi
-exec 5>config.log
-cat >&5 <<_ACEOF
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_func
+cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.59.  Invocation command line was
+generated by GNU Autoconf 2.64.  Invocation command line was
 
   $ $0 $@
 
 _ACEOF
+exec 5>>config.log
 {
 cat <<_ASUNAME
 ## --------- ##
@@ -950,7 +1579,7 @@ uname -v = `(uname -v) 2>/dev/null || echo unknown`
 /bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
 /usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
-hostinfo               = `(hostinfo) 2>/dev/null               || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
 /bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
 /bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
@@ -962,8 +1591,9 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  echo "PATH: $as_dir"
-done
+    $as_echo "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
 
 } >&5
 
@@ -985,7 +1615,6 @@ _ACEOF
 ac_configure_args=
 ac_configure_args0=
 ac_configure_args1=
-ac_sep=
 ac_must_keep_next=false
 for ac_pass in 1 2
 do
@@ -996,13 +1625,13 @@ do
     -q | -quiet | --quiet | --quie | --qui | --qu | --q \
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
-    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*)
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
     2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1018,21 +1647,19 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
-      # Get rid of the leading space.
-      ac_sep=" "
+      as_fn_append ac_configure_args " '$ac_arg'"
       ;;
     esac
   done
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
 # would cause problems or look ugly.
-# WARNING: Be sure not to use single quotes in there, as some shells,
-# such as our DU 5.0 friend, will then `close' the trap.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
   # Save into config.log some information that might help in debugging.
   {
@@ -1045,20 +1672,35 @@ trap 'exit_status=$?
 _ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
-{
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
   (set) 2>&1 |
-    case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
-    *ac_space=\ *)
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
       sed -n \
-	"s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
-      ;;
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
     *)
-      sed -n \
-	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
-    esac;
-}
+    esac |
+    sort
+)
     echo
 
     cat <<\_ASBOX
@@ -1069,22 +1711,28 @@ _ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
-      eval ac_val=$`echo $ac_var`
-      echo "$ac_var='"'"'$ac_val'"'"'"
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      $as_echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
       cat <<\_ASBOX
-## ------------- ##
-## Output files. ##
-## ------------- ##
+## ------------------- ##
+## File substitutions. ##
+## ------------------- ##
 _ASBOX
       echo
       for ac_var in $ac_subst_files
       do
-	eval ac_val=$`echo $ac_var`
-	echo "$ac_var='"'"'$ac_val'"'"'"
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	$as_echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
@@ -1096,26 +1744,26 @@ _ASBOX
 ## ----------- ##
 _ASBOX
       echo
-      sed "/^$/d" confdefs.h | sort
+      cat confdefs.h
       echo
     fi
     test "$ac_signal" != 0 &&
-      echo "$as_me: caught signal $ac_signal"
-    echo "$as_me: exit $exit_status"
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
   } >&5
-  rm -f core *.core &&
-  rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
-     ' 0
+' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
-rm -rf conftest* confdefs.h
-# AIX cpp loses on an empty file, so make sure it contains at least a newline.
-echo >confdefs.h
+rm -f -r conftest* confdefs.h
+
+$as_echo "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
@@ -1123,40 +1771,46 @@ cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
-  fi
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+  ac_site_file1=$CONFIG_SITE
+elif test "x$prefix" != xNONE; then
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
+else
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
 fi
-for ac_site_file in $CONFIG_SITE; do
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+  test "x$ac_site_file" = xNONE && continue
   if test -r "$ac_site_file"; then
-    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
-echo "$as_me: loading site script $ac_site_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
   fi
@@ -1166,80 +1820,79 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
-echo "$as_me: loading cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
-      [\\/]* | ?:[\\/]* ) . $cache_file;;
-      *)                      . ./$cache_file;;
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
     esac
   fi
 else
-  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
-echo "$as_me: creating cache $cache_file" >&6;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
-for ac_var in `(set) 2>&1 |
-	       sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
+for ac_var in $ac_precious_vars; do
   eval ac_old_set=\$ac_cv_env_${ac_var}_set
   eval ac_new_set=\$ac_env_${ac_var}_set
-  eval ac_old_val="\$ac_cv_env_${ac_var}_value"
-  eval ac_new_val="\$ac_env_${ac_var}_value"
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        # differences in whitespace do not lead to failure.
-        ac_old_val_w=`echo x $ac_old_val`
-        ac_new_val_w=`echo x $ac_new_val`
-        if test "$ac_old_val_w" != "$ac_new_val_w"; then
-          { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
-echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-          ac_cache_corrupted=:
-        else
-          { echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-          eval $ac_var=\$ac_old_val
-        fi
-        { echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
-echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-        { echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
-echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
-echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
-echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-   { (exit 1); exit 1; }; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -1251,24 +1904,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-          ac_config_headers="$ac_config_headers config.h"
+ac_config_headers="$ac_config_headers config.h"
 
 VERSION=0.4
 
@@ -1283,10 +1919,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1296,35 +1932,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 fi
 if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -1334,39 +1972,50 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-  CC=$ac_ct_CC
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
 else
   CC="$ac_cv_prog_CC"
 fi
 
 if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1376,77 +2025,37 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-  CC=$ac_ct_CC
-else
-  CC="$ac_cv_prog_CC"
-fi
 
+  fi
 fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1457,18 +2066,19 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
   # We found a bogon in the path, so make sure we never use it.
@@ -1486,24 +2096,25 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
 fi
 if test -z "$CC"; then
   if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl
+  for ac_prog in cl.exe
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -1513,39 +2124,41 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
     test -n "$CC" && break
   done
 fi
 if test -z "$CC"; then
   ac_ct_CC=$CC
-  for ac_prog in cl
+  for ac_prog in cl.exe
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -1555,68 +2168,78 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
   test -n "$ac_ct_CC" && break
 done
 
-  CC=$ac_ct_CC
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
 fi
 
 fi
 
 
-test -z "$CC" && { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO:" \
-     "checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
-  (eval $ac_compiler --version </dev/null >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
-  (eval $ac_compiler -v </dev/null >&5) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
-  (eval $ac_compiler -V </dev/null >&5) 2>&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    rm -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -1628,116 +2251,142 @@ main ()
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.exe b.out"
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out conftest.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
-ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
-  (eval $ac_link_default) 2>&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-  # Find the output, starting from the most likely.  This scheme is
-# not robust to junk in `.', hence go to wildcards (a.*) only as a last
-# resort.
-
-# Be careful to initialize this variable, since it used to be cached.
-# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
-ac_cv_exeext=
-# b.out is created by i960 compilers.
-for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
 do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
-	;;
-    conftest.$ac_ext )
-	# This is the source file.
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-	ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-	# FIXME: I believe we export ac_cv_exeext for Libtool,
-	# but it would be cool to find out if it's true.  Does anybody
-	# maintain Libtool? --akim.
-	export ac_cv_exeext
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
 	break;;
     * )
 	break;;
   esac
 done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
 else
-  echo "$as_me: failed program was:" >&5
+  ac_file=''
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+if test -z "$ac_file"; then :
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
-See \`config.log' for more details." >&5
-echo "$as_me: error: C compiler cannot create executables
-See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
 fi
-
 ac_exeext=$ac_cv_exeext
-echo "$as_me:$LINENO: result: $ac_file" >&5
-echo "${ECHO_T}$ac_file" >&6
 
-# Check the compiler produces executables we can run.  If not, either
+# Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
   if { ac_try='./$ac_file'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+See \`config.log' for more details." "$LINENO" 5; }
     fi
   fi
 fi
-echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-rm -f a.out a.exe conftest$ac_cv_exeext b.out
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out conftest.out
 ac_clean_files=$ac_clean_files_save
-# Check the compiler produces executables we can run.  If not, either
+# Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
-echo "$as_me:$LINENO: result: $cross_compiling" >&5
-echo "${ECHO_T}$cross_compiling" >&6
-
-echo "$as_me:$LINENO: checking for suffix of executables" >&5
-echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -1745,40 +2394,31 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-	  export ac_cv_exeext
 	  break;;
     * ) break;;
   esac
 done
 else
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
 rm -f conftest$ac_cv_exeext
-echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
-echo "${ECHO_T}$ac_cv_exeext" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-echo "$as_me:$LINENO: checking for suffix of object files" >&5
-echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
-if test "${ac_cv_objext+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -1790,47 +2430,46 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
 done
 else
-  echo "$as_me: failed program was:" >&5
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
-echo "${ECHO_T}$ac_cv_objext" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -1844,55 +2483,34 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
-GCC=`test $ac_compiler_gnu = yes && echo yes`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-CFLAGS="-g"
-echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -1903,39 +2521,49 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
 
-ac_cv_prog_cc_g=no
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -1951,18 +2579,14 @@ else
     CFLAGS=
   fi
 fi
-echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
-echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
-if test "${ac_cv_prog_cc_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_cv_prog_cc_stdc=no
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -1990,12 +2614,17 @@ static char *f (char * (*g) (char **, int), char **p, ...)
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not '\xHH' hex character constants.
    These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std1 is added to get
+   as 'x'.  The following induces an error, until -std is added to get
    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
    array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std1.  */
+   that's true only with -std.  */
 int osf4_cc_array ['\x00' == 0 ? 1 : -1];
 
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
 int test (int i, double x);
 struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
@@ -2010,205 +2639,37 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX			-qlanglvl=ansi
-# Ultrix and OSF/1	-std1
-# HP-UX 10.20 and later	-Ae
-# HP-UX older versions	-Aa -D_HPUX_SOURCE
-# SVR4			-Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_prog_cc_stdc=$ac_arg
-break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
-rm -f conftest.$ac_ext conftest.$ac_objext
+rm -f conftest.$ac_ext
 CC=$ac_save_CC
 
 fi
-
-case "x$ac_cv_prog_cc_stdc" in
-  x|xno)
-    echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6 ;;
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
   *)
-    echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
-    CC="$CC $ac_cv_prog_cc_stdc" ;;
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
-# Some people use a C++ compiler to compile C.  Since we use `exit',
-# in C++ we need to declare it.  In case someone uses the same compiler
-# for both compiling C and C++ we need to have the C++ compiler decide
-# the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
-#ifndef __cplusplus
-  choke me
-#endif
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  for ac_declaration in \
-   '' \
-   'extern "C" void std::exit (int) throw (); using std::exit;' \
-   'extern "C" void std::exit (int); using std::exit;' \
-   'extern "C" void exit (int) throw ();' \
-   'extern "C" void exit (int);' \
-   'void exit (int);'
-do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_declaration
-#include <stdlib.h>
-int
-main ()
-{
-exit (42);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-continue
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_declaration
-int
-main ()
-{
-exit (42);
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-done
-rm -f conftest*
-if test -n "$ac_declaration"; then
-  echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
-  echo '#endif'             >>confdefs.h
-fi
-
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2220,15 +2681,15 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
@@ -2242,11 +2703,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -2255,68 +2712,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether non-existent headers
+  # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -2326,7 +2739,7 @@ rm -f conftest.err conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -2338,8 +2751,8 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -2349,11 +2762,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -2362,68 +2771,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether non-existent headers
+  # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -2433,16 +2798,13 @@ rm -f conftest.err conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
+if $ac_preproc_ok; then :
+
 else
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -2453,39 +2815,150 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-if test "${ac_cv_prog_egrep+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-    then ac_cv_prog_egrep='grep -E'
-    else ac_cv_prog_egrep='egrep'
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
     fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
-echo "${ECHO_T}$ac_cv_prog_egrep" >&6
- EGREP=$ac_cv_prog_egrep
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
 
 
 if test $ac_cv_c_compiler_gnu = yes; then
-    echo "$as_me:$LINENO: checking whether $CC needs -traditional" >&5
-echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6
-if test "${ac_cv_prog_gcc_traditional+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+$as_echo_n "checking whether $CC needs -traditional... " >&6; }
+if test "${ac_cv_prog_gcc_traditional+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
     ac_pattern="Autoconf.*'x'"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sgtty.h>
 Autoconf TIOCGETP
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
   ac_cv_prog_gcc_traditional=yes
 else
   ac_cv_prog_gcc_traditional=no
@@ -2494,192 +2967,96 @@ rm -f conftest*
 
 
   if test $ac_cv_prog_gcc_traditional = no; then
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <termio.h>
 Autoconf TCGETA
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then :
   ac_cv_prog_gcc_traditional=yes
 fi
 rm -f conftest*
 
   fi
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_gcc_traditional" >&5
-echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+$as_echo "$ac_cv_prog_gcc_traditional" >&6; }
   if test $ac_cv_prog_gcc_traditional = yes; then
     CC="$CC -traditional"
   fi
 fi
 
-echo "$as_me:$LINENO: checking for library containing strerror" >&5
-echo $ECHO_N "checking for library containing strerror... $ECHO_C" >&6
-if test "${ac_cv_search_strerror+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing strerror" >&5
+$as_echo_n "checking for library containing strerror... " >&6; }
+if test "${ac_cv_search_strerror+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_strerror=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char strerror ();
 int
 main ()
 {
-strerror ();
+return strerror ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_strerror="none required"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_strerror" = no; then
-  for ac_lib in cposix; do
+for ac_lib in '' cposix; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-    cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_strerror=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_strerror+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_strerror+set}" = set; then :
 
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char strerror ();
-int
-main ()
-{
-strerror ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_search_strerror="-l$ac_lib"
-break
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-  done
+  ac_cv_search_strerror=no
 fi
+rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_strerror" >&5
-echo "${ECHO_T}$ac_cv_search_strerror" >&6
-if test "$ac_cv_search_strerror" != no; then
-  test "$ac_cv_search_strerror" = "none required" || LIBS="$ac_cv_search_strerror $LIBS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_strerror" >&5
+$as_echo "$ac_cv_search_strerror" >&6; }
+ac_res=$ac_cv_search_strerror
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 main(){exit(0);}
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
+else
 
 if test $CC != cc ; then
 echo "Your $CC failed - restarting with CC=cc" 1>&6
@@ -2692,71 +3069,44 @@ exec $0 $configure_args
 fi
 
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 main(){exit(0);}
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-exec 5>&2
+else
+  exec 5>&2
 eval $ac_link
 echo "CC=$CC; CFLAGS=$CFLAGS; LIBS=$LIBS;" 1>&6
 
 echo "$ac_compile" 1>&6
 
-{ { echo "$as_me:$LINENO: error: Can't run the compiler - sorry" >&5
-echo "$as_me: error: Can't run the compiler - sorry" >&2;}
-   { (exit 1); exit 1; }; }
+as_fn_error "Can't run the compiler - sorry" "$LINENO" 5
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 main()
@@ -2766,37 +3116,22 @@ main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  { { echo "$as_me:$LINENO: error: Your compiler does not set the exit status - sorry" >&5
-echo "$as_me: error: Your compiler does not set the exit status - sorry" >&2;}
-   { (exit 1); exit 1; }; }
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
+if ac_fn_c_try_run "$LINENO"; then :
+  as_fn_error "Your compiler does not set the exit status - sorry" "$LINENO" 5
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 for ac_prog in gawk mawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_AWK+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
@@ -2806,44 +3141,42 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AWK="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
 fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  echo "$as_me:$LINENO: result: $AWK" >&5
-echo "${ECHO_T}$AWK" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
   test -n "$AWK" && break
 done
 
 
 if test -f etc/toolcheck; then
-{ echo "$as_me:$LINENO: checking for buggy tools..." >&5
-echo "$as_me: checking for buggy tools..." >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for buggy tools..." >&5
+$as_echo "$as_me: checking for buggy tools..." >&6;}
 sh etc/toolcheck 1>&6
 fi
 
 
-{ echo "$as_me:$LINENO: checking for System V..." >&5
-echo "$as_me: checking for System V..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for System V..." >&5
+$as_echo "$as_me: checking for System V..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <signal.h>
@@ -2856,47 +3189,17 @@ int x = SIGCHLD | FNDELAY;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
 
-cat >>confdefs.h <<\_ACEOF
-#define SYSV 1
-_ACEOF
+else
+  $as_echo "#define SYSV 1" >>confdefs.h
 
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ echo "$as_me:$LINENO: checking for Solaris 2.x..." >&5
-echo "$as_me: checking for Solaris 2.x..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Solaris 2.x..." >&5
+$as_echo "$as_me: checking for Solaris 2.x..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #if defined(SVR4) && defined(sun)
   yes
@@ -2904,20 +3207,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then
+  $EGREP "yes" >/dev/null 2>&1; then :
   LIBS="$LIBS -lsocket -lnsl -lkstat"
 fi
 rm -f conftest*
 
 
 
-{ echo "$as_me:$LINENO: checking select..." >&5
-echo "$as_me: checking select..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking select..." >&5
+$as_echo "$as_me: checking select..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2928,41 +3227,13 @@ select(0, 0, 0, 0, 0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-LIBS="$LIBS -lnet -lnsl"
-{ echo "$as_me:$LINENO: checking select with $LIBS..." >&5
-echo "$as_me: checking select with $LIBS..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+else
+  LIBS="$LIBS -lnet -lnsl"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking select with $LIBS..." >&5
+$as_echo "$as_me: checking select with $LIBS..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2973,60 +3244,27 @@ select(0, 0, 0, 0, 0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-{ { echo "$as_me:$LINENO: error: !!! no select - no screen" >&5
-echo "$as_me: error: !!! no select - no screen" >&2;}
-   { (exit 1); exit 1; }; }
+else
+  as_fn_error "!!! no select - no screen" "$LINENO" 5
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
-{ echo "$as_me:$LINENO: checking select return value..." >&5
-echo "$as_me: checking select return value..." >&6;}
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking select return value..." >&5
+$as_echo "$as_me: checking select return value..." >&6;}
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -3128,41 +3366,22 @@ main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   echo "- select is ok" 1>&6
 
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-echo "- select can't count" 1>&6
- cat >>confdefs.h <<\_ACEOF
-#define SELECT_BROKEN 1
-_ACEOF
+  echo "- select can't count" 1>&6
+ $as_echo "#define SELECT_BROKEN 1" >>confdefs.h
 
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-{ echo "$as_me:$LINENO: checking for tgetent..." >&5
-echo "$as_me: checking for tgetent..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent..." >&5
+$as_echo "$as_me: checking for tgetent..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3173,42 +3392,14 @@ tgetent((char *)0, (char *)0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-olibs="$LIBS"
+else
+  olibs="$LIBS"
 LIBS="-lcurses $olibs"
-{ echo "$as_me:$LINENO: checking libcurses..." >&5
-echo "$as_me: checking libcurses..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking libcurses..." >&5
+$as_echo "$as_me: checking libcurses..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3225,41 +3416,13 @@ tgetent((char *)0, (char *)0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-LIBS="-ltermcap $olibs"
-{ echo "$as_me:$LINENO: checking libtermcap..." >&5
-echo "$as_me: checking libtermcap..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+else
+  LIBS="-ltermcap $olibs"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking libtermcap..." >&5
+$as_echo "$as_me: checking libtermcap..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3270,41 +3433,13 @@ tgetent((char *)0, (char *)0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-LIBS="-ltermlib $olibs"
-{ echo "$as_me:$LINENO: checking libtermlib..." >&5
-echo "$as_me: checking libtermlib..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+else
+  LIBS="-ltermlib $olibs"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking libtermlib..." >&5
+$as_echo "$as_me: checking libtermlib..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3315,41 +3450,13 @@ tgetent((char *)0, (char *)0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-LIBS="-lncurses $olibs"
-{ echo "$as_me:$LINENO: checking libncurses..." >&5
-echo "$as_me: checking libncurses..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+else
+  LIBS="-lncurses $olibs"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking libncurses..." >&5
+$as_echo "$as_me: checking libncurses..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3360,66 +3467,33 @@ tgetent((char *)0, (char *)0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-{ { echo "$as_me:$LINENO: error: !!! no tgetent - no screen" >&5
-echo "$as_me: error: !!! no tgetent - no screen" >&2;}
-   { (exit 1); exit 1; }; }
+else
+  as_fn_error "!!! no tgetent - no screen" "$LINENO" 5
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 main()
@@ -3427,40 +3501,21 @@ main()
  exit(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
   echo "- you use the termcap database" 1>&6
 
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-echo "- you use the terminfo database" 1>&6
- cat >>confdefs.h <<\_ACEOF
-#define TERMINFO 1
-_ACEOF
+  echo "- you use the terminfo database" 1>&6
+ $as_echo "#define TERMINFO 1" >>confdefs.h
 
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: checking ospeed..." >&5
-echo "$as_me: checking ospeed..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking ospeed..." >&5
+$as_echo "$as_me: checking ospeed..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 extern short ospeed;
 int
@@ -3471,59 +3526,27 @@ ospeed=5;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_OSPEED 1
-_ACEOF
+else
+  $as_echo "#define NEED_OSPEED 1" >>confdefs.h
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
-{ echo "$as_me:$LINENO: checking for /dev/ptc..." >&5
-echo "$as_me: checking for /dev/ptc..." >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for /dev/ptc..." >&5
+$as_echo "$as_me: checking for /dev/ptc..." >&6;}
 if test -r /dev/ptc; then
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEV_PTC 1
-_ACEOF
+$as_echo "#define HAVE_DEV_PTC 1" >>confdefs.h
 
 fi
 
-{ echo "$as_me:$LINENO: checking for SVR4 ptys..." >&5
-echo "$as_me: checking for SVR4 ptys..." >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SVR4 ptys..." >&5
+$as_echo "$as_me: checking for SVR4 ptys..." >&6;}
 sysvr4ptys=
 if test -c /dev/ptmx ; then
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3534,139 +3557,21 @@ ptsname(0);grantpt(0);unlockpt(0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_SVR4_PTYS 1
-_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  $as_echo "#define HAVE_SVR4_PTYS 1" >>confdefs.h
 
 sysvr4ptys=1
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
 
-
 for ac_func in getpt
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  ac_fn_c_check_func "$LINENO" "getpt" "ac_cv_func_getpt"
+if test "x$ac_cv_func_getpt" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define HAVE_GETPT 1
 _ACEOF
 
 fi
@@ -3674,174 +3579,53 @@ done
 
 
 if test -z "$sysvr4ptys"; then
-
 for ac_func in openpty
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+do :
+  ac_fn_c_check_func "$LINENO" "openpty" "ac_cv_func_openpty"
+if test "x$ac_cv_func_openpty" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define HAVE_OPENPTY 1
 _ACEOF
 
 else
-  echo "$as_me:$LINENO: checking for openpty in -lutil" >&5
-echo $ECHO_N "checking for openpty in -lutil... $ECHO_C" >&6
-if test "${ac_cv_lib_util_openpty+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lutil" >&5
+$as_echo_n "checking for openpty in -lutil... " >&6; }
+if test "${ac_cv_lib_util_openpty+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lutil  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any gcc2 internal prototype to avoid an error.  */
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
 #ifdef __cplusplus
 extern "C"
 #endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
 char openpty ();
 int
 main ()
 {
-openpty ();
+return openpty ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_util_openpty=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_util_openpty=no
+  ac_cv_lib_util_openpty=no
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_util_openpty" >&5
-echo "${ECHO_T}$ac_cv_lib_util_openpty" >&6
-if test $ac_cv_lib_util_openpty = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_OPENPTY 1
-_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_openpty" >&5
+$as_echo "$ac_cv_lib_util_openpty" >&6; }
+if test "x$ac_cv_lib_util_openpty" = x""yes; then :
+  $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h
  LIBS="$LIBS -lutil"
 fi
 
@@ -3850,18 +3634,14 @@ done
 
 fi
 
-{ echo "$as_me:$LINENO: checking for ptyranges..." >&5
-echo "$as_me: checking for ptyranges..." >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ptyranges..." >&5
+$as_echo "$as_me: checking for ptyranges..." >&6;}
 if test -d /dev/ptym ; then
 pdir='/dev/ptym'
 else
 pdir='/dev'
 fi
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef M_UNIX
    yes;
@@ -3869,7 +3649,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then
+  $EGREP "yes" >/dev/null 2>&1; then :
   ptys=`echo /dev/ptyp??`
 else
   ptys=`echo $pdir/pty??`
@@ -3890,17 +3670,17 @@ _ACEOF
 fi
 
 
-# Check whether --with-pty-mode or --without-pty-mode was given.
-if test "${with_pty_mode+set}" = set; then
-  withval="$with_pty_mode"
-   ptymode="${withval}"
-fi;
+# Check whether --with-pty-mode was given.
+if test "${with_pty_mode+set}" = set; then :
+  withval=$with_pty_mode;  ptymode="${withval}"
+fi
+
+
+# Check whether --with-pty-group was given.
+if test "${with_pty_group+set}" = set; then :
+  withval=$with_pty_group;  ptygrp="${withval}"
+fi
 
-# Check whether --with-pty-group or --without-pty-group was given.
-if test "${with_pty_group+set}" = set; then
-  withval="$with_pty_group"
-   ptygrp="${withval}"
-fi;
 test -n "$ptymode" || ptymode=0620
 if test -n "$ptygrp" ; then
 cat >>confdefs.h <<_ACEOF
@@ -3913,23 +3693,16 @@ _ACEOF
 
 else
 
-{ echo "$as_me:$LINENO: checking default tty permissions/group..." >&5
-echo "$as_me: checking default tty permissions/group..." >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking default tty permissions/group..." >&5
+$as_echo "$as_me: checking default tty permissions/group..." >&6;}
 rm -f conftest_grp
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -3961,17 +3734,7 @@ main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+if ac_fn_c_try_run "$LINENO"; then :
 
     if test -f conftest_grp; then
 	ptygrp=`cat conftest_grp`
@@ -3991,20 +3754,15 @@ _ACEOF
     fi
 
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
 
     WRITEPATH=''
     XTERMPATH=''
     # Extract the first word of "write", so it can be a program name with args.
 set dummy write; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_path_WRITEPATH+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_WRITEPATH+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   case $WRITEPATH in
   [\\/]* | ?:[\\/]*)
@@ -4016,34 +3774,35 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_WRITEPATH="$as_dir/$ac_word$ac_exec_ext"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
   ;;
 esac
 fi
 WRITEPATH=$ac_cv_path_WRITEPATH
-
 if test -n "$WRITEPATH"; then
-  echo "$as_me:$LINENO: result: $WRITEPATH" >&5
-echo "${ECHO_T}$WRITEPATH" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $WRITEPATH" >&5
+$as_echo "$WRITEPATH" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
     # Extract the first word of "xterm", so it can be a program name with args.
 set dummy xterm; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_path_XTERMPATH+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_XTERMPATH+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   case $XTERMPATH in
   [\\/]* | ?:[\\/]*)
@@ -4055,28 +3814,29 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_XTERMPATH="$as_dir/$ac_word$ac_exec_ext"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
+IFS=$as_save_IFS
 
   ;;
 esac
 fi
 XTERMPATH=$ac_cv_path_XTERMPATH
-
 if test -n "$XTERMPATH"; then
-  echo "$as_me:$LINENO: result: $XTERMPATH" >&5
-echo "${ECHO_T}$XTERMPATH" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XTERMPATH" >&5
+$as_echo "$XTERMPATH" >&6; }
 else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
+
     found=
     if test -n "$WRITEPATH$XTERMPATH"; then
       findfollow=
@@ -4118,8 +3878,10 @@ _ACEOF
 
 
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+
 rm -f conftest_grp
 fi
 
@@ -4127,20 +3889,14 @@ if test -n "$posix" ; then
 
 echo "assuming posix signal definition" 1>&6
 
-cat >>confdefs.h <<\_ACEOF
-#define SIGVOID 1
-_ACEOF
+$as_echo "#define SIGVOID 1" >>confdefs.h
 
 
 else
 
-{ echo "$as_me:$LINENO: checking return type of signal handlers..." >&5
-echo "$as_me: checking return type of signal handlers..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers..." >&5
+$as_echo "$as_me: checking return type of signal handlers..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <signal.h>
@@ -4156,45 +3912,14 @@ int i;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cat >>confdefs.h <<\_ACEOF
-#define SIGVOID 1
-_ACEOF
-
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
+  $as_echo "#define SIGVOID 1" >>confdefs.h
 
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-{ echo "$as_me:$LINENO: checking sigset..." >&5
-echo "$as_me: checking sigset..." >&6;}
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking sigset..." >&5
+$as_echo "$as_me: checking sigset..." >&6;}
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -4214,55 +3939,21 @@ sigset(0, (int (*)())0);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cat >>confdefs.h <<\_ACEOF
-#define USESIGSET 1
-_ACEOF
-
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_link "$LINENO"; then :
+  $as_echo "#define USESIGSET 1" >>confdefs.h
 
 fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-{ echo "$as_me:$LINENO: checking signal implementation..." >&5
-echo "$as_me: checking signal implementation..." >&6;}
-if test "$cross_compiling" = yes; then
-  { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run test program while cross compiling
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }; }
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking signal implementation..." >&5
+$as_echo "$as_me: checking signal implementation..." >&6;}
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <sys/types.h>
@@ -4299,35 +3990,21 @@ main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-cat >>confdefs.h <<\_ACEOF
-#define SYSVSIGS 1
-_ACEOF
+else
+  $as_echo "#define SYSVSIGS 1" >>confdefs.h
 
 fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 fi
 
-          ac_config_files="$ac_config_files Makefile"
+ac_config_files="$ac_config_files Makefile"
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -4346,39 +4023,59 @@ _ACEOF
 
 # The following way of writing the cache mishandles newlines in values,
 # but we know of no workaround that is simple, portable, and efficient.
-# So, don't put newlines in cache variables' values.
+# So, we kill variables containing newlines.
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
-{
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
   (set) 2>&1 |
-    case `(ac_space=' '; set | grep ac_space) 2>&1` in
-    *ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
-      ;;
+      ;; #(
     *)
       # `set' quotes correctly as required by POSIX, so do not add quotes.
-      sed -n \
-	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
-    esac;
-} |
+    esac |
+    sort
+) |
   sed '
+     /^ac_cv_env_/b end
      t clear
-     : clear
+     :clear
      s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
      t end
-     /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
-     : end' >>confcache
-if diff $cache_file confcache >/dev/null 2>&1; then :; else
-  if test -w $cache_file; then
-    test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    test "x$cache_file" != "x/dev/null" &&
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
     cat confcache >$cache_file
   else
-    echo "not updating unwritable cache $cache_file"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -4387,32 +4084,18 @@ test "x$prefix" = xNONE && prefix=$ac_default_prefix
 # Let make expand exec_prefix.
 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
-# trailing colons and then remove the whole line if VPATH becomes empty
-# (actually we leave an empty line to preserve line numbers).
-if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/;
-s/:*\${srcdir}:*/:/;
-s/:*@srcdir@:*/:/;
-s/^\([^=]*=[	 ]*\):*/\1/;
-s/:*$//;
-s/^[^=]*=[	 ]*$//;
-}'
-fi
-
 DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
-  ac_i=`echo "$ac_i" |
-	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
-  # 2. Add them.
-  ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -4421,11 +4104,13 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 : ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
-echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -4435,81 +4120,252 @@ cat >$CONFIG_STATUS <<_ACEOF
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
-
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
-  set -o posix
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
 fi
-DUALCASE=1; export DUALCASE # for MKS sh
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
 else
-  as_unset=false
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
+# Find who we are.  Look in the path if we contain no directory separator.
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
+IFS=$as_save_IFS
 
-# Work around bugs in pre-3.0 UWIN ksh.
-$as_unset ENV MAIL MAILPATH
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    $as_unset $as_var
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-done
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
 
-# Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
-as_me=`$as_basename "$0" ||
+as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)$' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
-  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\/\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
 
-# PATH needs CR, and LINENO needs CR and PATH.
 # Avoid depending upon Character Ranges.
 as_cr_letters='abcdefghijklmnopqrstuvwxyz'
 as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
@@ -4517,148 +4373,123 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
-fi
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
-  # Find who we are.  Look in the path if we contain no path at all
-  # relative or not.
-  case $0 in
-    *[\\/]* ) as_myself=$0 ;;
-    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-
-       ;;
-  esac
-  # We did not find ourselves, most probably we were run as `sh COMMAND'
-  # in which case we are not to be found in the path.
-  if test "x$as_myself" = x; then
-    as_myself=$0
-  fi
-  if test ! -f "$as_myself"; then
-    { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
-echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
-   { (exit 1); exit 1; }; }
-  fi
-  case $CONFIG_SHELL in
-  '')
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for as_base in sh bash ksh sh5; do
-	 case $as_dir in
-	 /*)
-	   if ("$as_dir/$as_base" -c '
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
-	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
-	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
-	     CONFIG_SHELL=$as_dir/$as_base
-	     export CONFIG_SHELL
-	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
-	   fi;;
-	 esac
-       done
-done
-;;
-  esac
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line before each line; the second 'sed' does the real
-  # work.  The second script uses 'N' to pair each line-number line
-  # with the numbered line, and appends trailing '-' during
-  # substitution so that $LINENO is not a special case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
-  sed '=' <$as_myself |
-    sed '
-      N
-      s,$,-,
-      : loop
-      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
-      t loop
-      s,-$,,
-      s,^['$as_cr_digits']*\n,,
-    ' >$as_me.lineno &&
-  chmod +x $as_me.lineno ||
-    { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
-echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
-  . ./$as_me.lineno
-  # Exit status is that of the last command.
-  exit
-}
-
-
-case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C='
-' ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
-  as_expr=expr
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
 else
-  as_expr=false
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
 fi
-
-rm -f conf$$ conf$$.exe conf$$.file
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  # We could just check for DJGPP; but this test a) works b) is more generic
-  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
-  if test -f conf$$.exe; then
-    # Don't use ln at all; we don't have any links
-    as_ln_s='cp -p'
-  else
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -p'
   fi
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.file
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
 
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-as_executable_p="test -f"
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -4667,31 +4498,20 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.
-as_nl='
-'
-IFS=" 	$as_nl"
-
-# CDPATH.
-$as_unset CDPATH
-
 exec 6>&1
-
-# Open the log real soon, to keep \$[0] and so on meaningful, and to
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
-# values after options handling.  Logging --version etc. is OK.
-exec 5>>config.log
-{
-  echo
-  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
-## Running $as_me. ##
-_ASBOX
-} >&5
-cat >&5 <<_CSEOF
-
+# values after options handling.
+ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.59.  Invocation command line was
+generated by GNU Autoconf 2.64.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -4699,45 +4519,45 @@ generated by GNU Autoconf 2.59.  Invocation command line was
   CONFIG_COMMANDS = $CONFIG_COMMANDS
   $ $0 $@
 
-_CSEOF
-echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
-echo >&5
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
 _ACEOF
 
-# Files that config.status was made for.
-if test -n "$ac_config_files"; then
-  echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
-fi
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
 
-if test -n "$ac_config_headers"; then
-  echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
-fi
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
 
-if test -n "$ac_config_links"; then
-  echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
-fi
 
-if test -n "$ac_config_commands"; then
-  echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
-fi
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+_ACEOF
 
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
-current configuration.
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
 
-Usage: $0 [OPTIONS] [FILE]...
+Usage: $0 [OPTION]... [TAG]...
 
   -h, --help       print this help, then exit
-  -V, --version    print version number, then exit
-  -q, --quiet      do not print progress messages
+  -V, --version    print version number and configuration settings, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
-  --file=FILE[:TEMPLATE]
-		   instantiate the configuration file FILE
-  --header=FILE[:TEMPLATE]
-		   instantiate the configuration header FILE
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+      --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
 
 Configuration files:
 $config_files
@@ -4745,83 +4565,81 @@ $config_files
 Configuration headers:
 $config_headers
 
-Report bugs to <bug-autoconf@gnu.org>."
-_ACEOF
+Report bugs to the package provider."
 
-cat >>$CONFIG_STATUS <<_ACEOF
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.59,
-  with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.64,
+  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright (C) 2003 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
-srcdir=$srcdir
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-# If no file are specified by the user, then we need to provide default
-# value.  By we need to know if files were specified by the user.
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
 ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
   --*=*)
-    ac_option=`expr "x$1" : 'x\([^=]*\)='`
-    ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  -*)
+  *)
     ac_option=$1
     ac_optarg=$2
     ac_shift=shift
     ;;
-  *) # This is not an option, so the user has probably given explicit
-     # arguments.
-     ac_option=$1
-     ac_need_defaults=false;;
   esac
 
   case $ac_option in
   # Handling of the options.
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
-  --version | --vers* | -V )
-    echo "$ac_cs_version"; exit 0 ;;
-  --he | --h)
-    # Conflict between --help and --header
-    { { echo "$as_me:$LINENO: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&5
-echo "$as_me: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&2;}
-   { (exit 1); exit 1; }; };;
-  --help | --hel | -h )
-    echo "$ac_cs_usage"; exit 0 ;;
-  --debug | --d* | -d )
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    $as_echo "$ac_cs_version"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
-    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
-    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    as_fn_error "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+  --help | --hel | -h )
+    $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&5
-echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2;}
-   { (exit 1); exit 1; }; } ;;
+  -*) as_fn_error "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
-  *) ac_config_targets="$ac_config_targets $1" ;;
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
 
   esac
   shift
@@ -4835,31 +4653,45 @@ if $ac_cs_silent; then
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-  exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
 fi
 
 _ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  $as_echo "$ac_log"
+} >&5
 
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACEOF
 
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 
-
-
-cat >>$CONFIG_STATUS <<\_ACEOF
+# Handling of arguments.
 for ac_config_target in $ac_config_targets
 do
-  case "$ac_config_target" in
-  # Handling of arguments.
-  "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-  "config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
-  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
+  case $ac_config_target in
+    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
+
 # If the user did not use the arguments to specify the items to instantiate,
 # then the envvar interface is used.  Set only those that are not.
 # We use the long form for the default assignment because of an extremely
@@ -4870,553 +4702,534 @@ if $ac_need_defaults; then
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason to put it here, and in addition,
+# simply because there is no reason against having it here, and in addition,
 # creating and moving files from /tmp can sometimes cause problems.
-# Create a temporary directory, and hook for its removal unless debugging.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap 'as_fn_exit 1' 1 2 13 15
 }
-
 # Create a (secure) tmp directory for tmp files.
 
 {
-  tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
   test -n "$tmp" && test -d "$tmp"
 }  ||
 {
-  tmp=./confstat$$-$RANDOM
-  (umask 077 && mkdir $tmp)
-} ||
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  . ./conf$$subs.sh ||
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\).*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\).*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
 {
-   echo "$me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
 }
 
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-cat >>$CONFIG_STATUS <<_ACEOF
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[	 ]*$//
+}'
+fi
 
-#
-# CONFIG_FILES section.
-#
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
 
-# No need to generate the scripts if there are no CONFIG_FILES.
-# This happens for instance when ./config.status config.h
-if test -n "\$CONFIG_FILES"; then
-  # Protect against being on the right side of a sed subst in config.status.
-  sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
-   s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
-s,@SHELL@,$SHELL,;t t
-s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
-s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
-s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
-s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
-s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
-s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
-s,@exec_prefix@,$exec_prefix,;t t
-s,@prefix@,$prefix,;t t
-s,@program_transform_name@,$program_transform_name,;t t
-s,@bindir@,$bindir,;t t
-s,@sbindir@,$sbindir,;t t
-s,@libexecdir@,$libexecdir,;t t
-s,@datadir@,$datadir,;t t
-s,@sysconfdir@,$sysconfdir,;t t
-s,@sharedstatedir@,$sharedstatedir,;t t
-s,@localstatedir@,$localstatedir,;t t
-s,@libdir@,$libdir,;t t
-s,@includedir@,$includedir,;t t
-s,@oldincludedir@,$oldincludedir,;t t
-s,@infodir@,$infodir,;t t
-s,@mandir@,$mandir,;t t
-s,@build_alias@,$build_alias,;t t
-s,@host_alias@,$host_alias,;t t
-s,@target_alias@,$target_alias,;t t
-s,@DEFS@,$DEFS,;t t
-s,@ECHO_C@,$ECHO_C,;t t
-s,@ECHO_N@,$ECHO_N,;t t
-s,@ECHO_T@,$ECHO_T,;t t
-s,@LIBS@,$LIBS,;t t
-s,@VERSION@,$VERSION,;t t
-s,@CC@,$CC,;t t
-s,@CFLAGS@,$CFLAGS,;t t
-s,@LDFLAGS@,$LDFLAGS,;t t
-s,@CPPFLAGS@,$CPPFLAGS,;t t
-s,@ac_ct_CC@,$ac_ct_CC,;t t
-s,@EXEEXT@,$EXEEXT,;t t
-s,@OBJEXT@,$OBJEXT,;t t
-s,@CPP@,$CPP,;t t
-s,@EGREP@,$EGREP,;t t
-s,@AWK@,$AWK,;t t
-s,@WRITEPATH@,$WRITEPATH,;t t
-s,@XTERMPATH@,$XTERMPATH,;t t
-s,@LIBOBJS@,$LIBOBJS,;t t
-s,@LTLIBOBJS@,$LTLIBOBJS,;t t
-CEOF
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
+    break
+  elif $ac_last_try; then
+    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
 
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any.  Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+  line = \$ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
+_ACAWK
 _ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
 
-  cat >>$CONFIG_STATUS <<\_ACEOF
-  # Split the substitutions into bite-sized pieces for seds with
-  # small command number limits, like on Digital OSF/1 and HP-UX.
-  ac_max_sed_lines=48
-  ac_sed_frag=1 # Number of current file.
-  ac_beg=1 # First line for current file.
-  ac_end=$ac_max_sed_lines # Line after last line for current file.
-  ac_more_lines=:
-  ac_sed_cmds=
-  while $ac_more_lines; do
-    if test $ac_beg -gt 1; then
-      sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-    else
-      sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
-    fi
-    if test ! -s $tmp/subs.frag; then
-      ac_more_lines=false
-    else
-      # The purpose of the label and of the branching condition is to
-      # speed up the sed processing (if there are no `@' at all, there
-      # is no need to browse any of the substitutions).
-      # These are the two extra sed commands mentioned above.
-      (echo ':t
-  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
-      if test -z "$ac_sed_cmds"; then
-	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
-      else
-	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
-      fi
-      ac_sed_frag=`expr $ac_sed_frag + 1`
-      ac_beg=$ac_end
-      ac_end=`expr $ac_end + $ac_max_sed_lines`
+
+eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    "
+shift
+for ac_tag
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
+	 # because $ac_f cannot contain `:'.
+	 test -f "$ac_f" ||
+	   case $ac_f in
+	   [\\/$]*) false;;
+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+	   esac ||
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+      esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
     fi
-  done
-  if test -z "$ac_sed_cmds"; then
-    ac_sed_cmds=cat
-  fi
-fi # test -n "$CONFIG_FILES"
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
 
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case $ac_file in
-  - | *:- | *:-:* ) # input from stdin
-	cat >$tmp/stdin
-	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  * )   ac_file_in=$ac_file.in ;;
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    esac
+    ;;
   esac
 
-  # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
-  ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+  ac_dir=`$as_dirname -- "$ac_file" ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-  { if $as_mkdir_p; then
-    mkdir -p "$ac_dir"
-  else
-    as_dir="$ac_dir"
-    as_dirs=
-    while test ! -d "$as_dir"; do
-      as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-    done
-    test ! -n "$as_dirs" || mkdir $as_dirs
-  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
-echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-   { (exit 1); exit 1; }; }; }
-
+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  as_dir="$ac_dir"; as_fn_mkdir_p
   ac_builddir=.
 
-if test "$ac_dir" != .; then
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A "../" for each directory in $ac_dir_suffix.
-  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
-else
-  ac_dir_suffix= ac_top_builddir=
-fi
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
 
 case $srcdir in
-  .)  # No --srcdir option.  We are building in place.
+  .)  # We are building in place.
     ac_srcdir=.
-    if test -z "$ac_top_builddir"; then
-       ac_top_srcdir=.
-    else
-       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
-    fi ;;
-  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir ;;
-  *) # Relative path.
-    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
 esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
-# Do not use `cd foo && pwd` to compute absolute paths, because
-# the directories may not exist.
-case `pwd` in
-.) ac_abs_builddir="$ac_dir";;
-*)
-  case "$ac_dir" in
-  .) ac_abs_builddir=`pwd`;;
-  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
-  *) ac_abs_builddir=`pwd`/"$ac_dir";;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_builddir=${ac_top_builddir}.;;
-*)
-  case ${ac_top_builddir}. in
-  .) ac_abs_top_builddir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
-  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_srcdir=$ac_srcdir;;
-*)
-  case $ac_srcdir in
-  .) ac_abs_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
-  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
-  esac;;
-esac
-case $ac_abs_builddir in
-.) ac_abs_top_srcdir=$ac_top_srcdir;;
-*)
-  case $ac_top_srcdir in
-  .) ac_abs_top_srcdir=$ac_abs_builddir;;
-  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
-  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
-  esac;;
-esac
 
+  case $ac_mode in
+  :F)
+  #
+  # CONFIG_FILE
+  #
 
+_ACEOF
 
-  if test x"$ac_file" != x-; then
-    { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    rm -f "$ac_file"
-  fi
-  # Let's still pretend it is `configure' which instantiates (i.e., don't
-  # use $as_me), people would be surprised to read:
-  #    /* config.h.  Generated by config.status.  */
-  if test x"$ac_file" = x-; then
-    configure_input=
-  else
-    configure_input="$ac_file.  "
-  fi
-  configure_input=$configure_input"Generated from `echo $ac_file_in |
-				     sed 's,.*/,,'` by configure."
-
-  # First look for the input files in the build tree, otherwise in the
-  # src tree.
-  ac_file_inputs=`IFS=:
-    for f in $ac_file_in; do
-      case $f in
-      -) echo $tmp/stdin ;;
-      [\\/$]*)
-	 # Absolute (can't be DOS-style, as IFS=:)
-	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 echo "$f";;
-      *) # Relative
-	 if test -f "$f"; then
-	   # Build tree
-	   echo "$f"
-	 elif test -f "$srcdir/$f"; then
-	   # Source tree
-	   echo "$srcdir/$f"
-	 else
-	   # /dev/null tree
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 fi;;
-      esac
-    done` || { (exit 1); exit 1; }
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+  p
+  q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  ac_datarootdir_hack='
+  s&@datadir@&$datadir&g
+  s&@docdir@&$docdir&g
+  s&@infodir@&$infodir&g
+  s&@localedir@&$localedir&g
+  s&@mandir@&$mandir&g
+  s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
-  sed "$ac_vpsub
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s,@configure_input@,$configure_input,;t t
-s,@srcdir@,$ac_srcdir,;t t
-s,@abs_srcdir@,$ac_abs_srcdir,;t t
-s,@top_srcdir@,$ac_top_srcdir,;t t
-s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
-s,@builddir@,$ac_builddir,;t t
-s,@abs_builddir@,$ac_abs_builddir,;t t
-s,@top_builddir@,$ac_top_builddir,;t t
-s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
-" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
-  rm -f $tmp/stdin
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
+  case $ac_file in
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
+ ;;
+  :H)
+  #
+  # CONFIG_HEADER
+  #
   if test x"$ac_file" != x-; then
-    mv $tmp/out $ac_file
+    {
+      $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    else
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file" \
+	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+    fi
   else
-    cat $tmp/out
-    rm -f $tmp/out
+    $as_echo "/* $configure_input  */" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error "could not create -" "$LINENO" 5
   fi
+ ;;
 
-done
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-
-#
-# CONFIG_HEADER section.
-#
 
-# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
-# NAME is the cpp macro being defined and VALUE is the value it is being given.
-#
-# ac_d sets the value in "#define NAME VALUE" lines.
-ac_dA='s,^\([	 ]*\)#\([	 ]*define[	 ][	 ]*\)'
-ac_dB='[	 ].*$,\1#\2'
-ac_dC=' '
-ac_dD=',;t'
-# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-ac_uA='s,^\([	 ]*\)#\([	 ]*\)undef\([	 ][	 ]*\)'
-ac_uB='$,\1#\2define\3'
-ac_uC=' '
-ac_uD=',;t'
-
-for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case $ac_file in
-  - | *:- | *:-:* ) # input from stdin
-	cat >$tmp/stdin
-	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
-  * )   ac_file_in=$ac_file.in ;;
   esac
 
-  test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-
-  # First look for the input files in the build tree, otherwise in the
-  # src tree.
-  ac_file_inputs=`IFS=:
-    for f in $ac_file_in; do
-      case $f in
-      -) echo $tmp/stdin ;;
-      [\\/$]*)
-	 # Absolute (can't be DOS-style, as IFS=:)
-	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 # Do quote $f, to prevent DOS paths from being IFS'd.
-	 echo "$f";;
-      *) # Relative
-	 if test -f "$f"; then
-	   # Build tree
-	   echo "$f"
-	 elif test -f "$srcdir/$f"; then
-	   # Source tree
-	   echo "$srcdir/$f"
-	 else
-	   # /dev/null tree
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
-echo "$as_me: error: cannot find input file: $f" >&2;}
-   { (exit 1); exit 1; }; }
-	 fi;;
-      esac
-    done` || { (exit 1); exit 1; }
-  # Remove the trailing spaces.
-  sed 's/[	 ]*$//' $ac_file_inputs >$tmp/in
+done # for ac_tag
 
-_ACEOF
 
-# Transform confdefs.h into two sed scripts, `conftest.defines' and
-# `conftest.undefs', that substitutes the proper values into
-# config.h.in to produce config.h.  The first handles `#define'
-# templates, and the second `#undef' templates.
-# And first: Protect against being on the right side of a sed subst in
-# config.status.  Protect against being in an unquoted here document
-# in config.status.
-rm -f conftest.defines conftest.undefs
-# Using a here document instead of a string reduces the quoting nightmare.
-# Putting comments in sed scripts is not portable.
-#
-# `end' is used to avoid that the second main sed command (meant for
-# 0-ary CPP macros) applies to n-ary macro definitions.
-# See the Autoconf documentation for `clear'.
-cat >confdef2sed.sed <<\_ACEOF
-s/[\\&,]/\\&/g
-s,[\\$`],\\&,g
-t clear
-: clear
-s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*\)\(([^)]*)\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
-t end
-s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
-: end
-_ACEOF
-# If some macros were called several times there might be several times
-# the same #defines, which is useless.  Nevertheless, we may not want to
-# sort them, since we want the *last* AC-DEFINE to be honored.
-uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines
-sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs
-rm -f confdef2sed.sed
-
-# This sed command replaces #undef with comments.  This is necessary, for
-# example, in the case of _POSIX_SOURCE, which is predefined and required
-# on some systems where configure will not decide to define it.
-cat >>conftest.undefs <<\_ACEOF
-s,^[	 ]*#[	 ]*undef[	 ][	 ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
+as_fn_exit 0
 _ACEOF
-
-# Break up conftest.defines because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo '  # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
-echo '  if grep "^[	 ]*#[	 ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
-echo '  # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
-echo '  :' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.defines >/dev/null
-do
-  # Write a limited-size here document to $tmp/defines.sed.
-  echo '  cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
-  # Speed up: don't consider the non `#define' lines.
-  echo '/^[	 ]*#[	 ]*define/!b' >>$CONFIG_STATUS
-  # Work around the forget-to-reset-the-flag bug.
-  echo 't clr' >>$CONFIG_STATUS
-  echo ': clr' >>$CONFIG_STATUS
-  sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS
-  echo 'CEOF
-  sed -f $tmp/defines.sed $tmp/in >$tmp/out
-  rm -f $tmp/in
-  mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
-  sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail
-  rm -f conftest.defines
-  mv conftest.tail conftest.defines
-done
-rm -f conftest.defines
-echo '  fi # grep' >>$CONFIG_STATUS
-echo >>$CONFIG_STATUS
-
-# Break up conftest.undefs because some shells have a limit on the size
-# of here documents, and old seds have small limits too (100 cmds).
-echo '  # Handle all the #undef templates' >>$CONFIG_STATUS
-rm -f conftest.tail
-while grep . conftest.undefs >/dev/null
-do
-  # Write a limited-size here document to $tmp/undefs.sed.
-  echo '  cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
-  # Speed up: don't consider the non `#undef'
-  echo '/^[	 ]*#[	 ]*undef/!b' >>$CONFIG_STATUS
-  # Work around the forget-to-reset-the-flag bug.
-  echo 't clr' >>$CONFIG_STATUS
-  echo ': clr' >>$CONFIG_STATUS
-  sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS
-  echo 'CEOF
-  sed -f $tmp/undefs.sed $tmp/in >$tmp/out
-  rm -f $tmp/in
-  mv $tmp/out $tmp/in
-' >>$CONFIG_STATUS
-  sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail
-  rm -f conftest.undefs
-  mv conftest.tail conftest.undefs
-done
-rm -f conftest.undefs
-
-cat >>$CONFIG_STATUS <<\_ACEOF
-  # Let's still pretend it is `configure' which instantiates (i.e., don't
-  # use $as_me), people would be surprised to read:
-  #    /* config.h.  Generated by config.status.  */
-  if test x"$ac_file" = x-; then
-    echo "/* Generated by configure.  */" >$tmp/config.h
-  else
-    echo "/* $ac_file.  Generated by configure.  */" >$tmp/config.h
-  fi
-  cat $tmp/in >>$tmp/config.h
-  rm -f $tmp/in
-  if test x"$ac_file" != x-; then
-    if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
-      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
-echo "$as_me: $ac_file is unchanged" >&6;}
-    else
-      ac_dir=`(dirname "$ac_file") 2>/dev/null ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-      { if $as_mkdir_p; then
-    mkdir -p "$ac_dir"
-  else
-    as_dir="$ac_dir"
-    as_dirs=
-    while test ! -d "$as_dir"; do
-      as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| \
-	 .     : '\(.\)' 2>/dev/null ||
-echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
-  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
-  	  /^X\(\/\/\)$/{ s//\1/; q; }
-  	  /^X\(\/\).*/{ s//\1/; q; }
-  	  s/.*/./; q'`
-    done
-    test ! -n "$as_dirs" || mkdir $as_dirs
-  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
-echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
-   { (exit 1); exit 1; }; }; }
-
-      rm -f $ac_file
-      mv $tmp/config.h $ac_file
-    fi
-  else
-    cat $tmp/config.h
-    rm -f $tmp/config.h
-  fi
-done
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF
-
-{ (exit 0); exit 0; }
-_ACEOF
-chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
+test $ac_write_fail = 0 ||
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
 
 # configure is writing to config.log, and then calls config.status.
 # config.status does its own redirection, appending to config.log.
@@ -5436,6 +5249,10 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit $?
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi