Remove use of ranlib.

13 files changed, 483 insertions, 358 deletions

diff --git a/ChangeLog b/ChangeLog
index 550f22a..b0b6c55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-02-15  Ulrich Drepper  <drepper@gmail.com>
+
+	[BZ #12469]
+	* Makeconfig: Remove RANLIB definition.
+	* Makerules: Don't use RANLIB.
+	* aclocal.m4: Remove ranlib test.
+	* configure.in: No need to check for ranlib.
+	* elf/rtld-Rules: Don't use RANLIB.
+
 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
 
 	* stdio-common/printf-parsemb.c (__parse_one_specmb): Handle
diff --git a/Makeconfig b/Makeconfig
index e5cbf64..0c4c75a 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2003,2004,2005,2006,2007,2008,2009,2010
+# Copyright (C) 1991-2003,2004,2005,2006,2007,2008,2009,2010,2011
 #	Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
@@ -593,10 +593,6 @@ ifndef LD
 LD := ld -X
 endif
 
-ifndef	RANLIB
-RANLIB = ranlib
-endif
-
 # Extra flags to pass to GCC.
 ifeq ($(all-warnings),yes)
 +gccwarn := -Wall -Wwrite-strings -Winline -Wcast-qual -Wbad-function-cast -Wmissing-noreturn -Wmissing-prototypes -Wmissing-declarations -Wcomment -Wcomments -Wtrigraphs -Wsign-compare -Wfloat-equal -Wmultichar
diff --git a/Makerules b/Makerules
index 9bfe550..82ffa1e 100644
--- a/Makerules
+++ b/Makerules
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006,2007,2008,2009,2010 Free Software Foundation, Inc.
+# Copyright (C) 1991-2010, 2011 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -805,7 +805,6 @@ endef
 define do-makelib
 cd $(common-objdir) && \
 $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)`
-$(RANLIB) $@
 endef
 subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%)
 subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps))
@@ -827,7 +826,6 @@ define build-extra-lib
 $(patsubst %/,cd % &&,$(objpfx)) \
 $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \
       $(patsubst $(objpfx)%,%,$^)
-$(RANLIB) $@
 endef
 
 # Installation.
@@ -872,9 +870,6 @@ install: $(installed-libcs)
 $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force)
 	$(make-target-directory)
 	$(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@
-# Running ranlib after installing makes the __.SYMDEF time stamp up to
-# date, which avoids messages from some linkers.
-	$(RANLIB) $@
 
 define do-install-program
 $(make-target-directory)
@@ -1108,7 +1103,6 @@ ifdef install-lib.a
 $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \
   $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force)
 	$(do-install)
-	$(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F)))
 endif
 endif
 ifdef install-data
diff --git a/aclocal.m4 b/aclocal.m4
index 06adbaa..6ad3c87 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -57,7 +57,7 @@ else
   AC_MSG_CHECKING([version of [$]$1])
 changequote(<<,>>)dnl
   ac_prog_version=`<<$>>$1 $3 2>&1 ifelse(<<$4>>,,,
-                   <<| sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'>>)`
+		   <<| sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'>>)`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
     <<$5>>)
@@ -102,17 +102,6 @@ AC_SUBST(AR)
 OBJDUMP=`$CC -print-prog-name=objdump`
 AC_SUBST(OBJDUMP)
 
-# ranlib has to be treated a bit differently since it might not exist at all.
-ac_ranlib=`$CC -print-prog-name=ranlib`
-if test "x$ac_ranlib" = xranlib; then
-# This extra check has to happen since gcc simply echos the parameter in
-# case it cannot find the value in its own directories.
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-else
-  RANLIB=$ac_ranlib
-fi
-AC_SUBST(RANLIB)
-
 # Determine whether we are using GNU binutils.
 AC_CACHE_CHECK(whether $AS is GNU as, libc_cv_prog_as_gnu,
 [LIBC_PROG_FOO_GNU($AS, libc_cv_prog_as_gnu=yes, libc_cv_prog_as_gnu=no)])
diff --git a/configure b/configure
index 1d419cf..fdfa5ef 100755
--- a/configure
+++ b/configure
@@ -669,7 +669,6 @@ PWD_P
 LD
 AS
 MIG
-RANLIB
 OBJDUMP
 AR
 LN_S
@@ -4670,108 +4669,6 @@ AR=`$CC -print-prog-name=ar`
 OBJDUMP=`$CC -print-prog-name=objdump`
 
 
-# ranlib has to be treated a bit differently since it might not exist at all.
-ac_ranlib=`$CC -print-prog-name=ranlib`
-if test "x$ac_ranlib" = xranlib; then
-# This extra check has to happen since gcc simply echos the parameter in
-# case it cannot find the value in its own directories.
-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
-{ $as_echo "$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="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$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 '' $ac_executable_extensions; do
-  if { test -f "$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"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
-  { $as_echo "$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
-{ $as_echo "$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="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$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 '' $ac_executable_extensions; do
-  if { test -f "$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"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$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
-
-else
-  RANLIB=$ac_ranlib
-fi
-
-
 # Determine whether we are using GNU binutils.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AS is GNU as" >&5
 $as_echo_n "checking whether $AS is GNU as... " >&6; }
@@ -5410,33 +5307,8 @@ fi
 
 
 
-# check if ranlib is necessary
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ranlib is necessary" >&5
-$as_echo_n "checking whether ranlib is necessary... " >&6; }
-if test "${libc_cv_ranlib_necessary+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.c <<EOF
-int a;
-char b;
-void c(void) {}
-EOF
-$CC $CFLAGS $CPPFLAGS -c conftest.c
-$AR cr conftest.a conftest.o
-cp conftest.a conftest2.a
-$RANLIB conftest.a
-if cmp -s conftest.a conftest2.a; then
-  libc_cv_ranlib_necessary=no
-else
-  libc_cv_ranlib_necessary=yes
-fi
-rm -rf conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ranlib_necessary" >&5
-$as_echo "$libc_cv_ranlib_necessary" >&6; }
-if test "$libc_cv_ranlib_necessary" = no; then
- RANLIB=:
-fi
+# ranlib is never necessary on Linux and Hurd systems
+RANLIB=:
 
 # Test if LD_LIBRARY_PATH contains the notation for the current directory
 # since this would lead to problems installing/building glibc.
diff --git a/configure.in b/configure.in
index 7e46990..e5ff6bd 100644
--- a/configure.in
+++ b/configure.in
@@ -1095,26 +1095,8 @@ fi
 AC_SUBST(SYSINCLUDES)
 AC_SUBST(CXX_SYSINCLUDES)
 
-# check if ranlib is necessary
-AC_CACHE_CHECK(whether ranlib is necessary, libc_cv_ranlib_necessary, [dnl
-cat > conftest.c <<EOF
-int a;
-char b;
-void c(void) {}
-EOF
-$CC $CFLAGS $CPPFLAGS -c conftest.c
-$AR cr conftest.a conftest.o
-cp conftest.a conftest2.a
-$RANLIB conftest.a
-if cmp -s conftest.a conftest2.a; then
-  libc_cv_ranlib_necessary=no
-else
-  libc_cv_ranlib_necessary=yes
-fi
-rm -rf conftest*])
-if test "$libc_cv_ranlib_necessary" = no; then
- RANLIB=:
-fi
+# ranlib is never necessary on Linux and Hurd systems
+RANLIB=:
 
 # Test if LD_LIBRARY_PATH contains the notation for the current directory
 # since this would lead to problems installing/building glibc.
diff --git a/elf/rtld-Rules b/elf/rtld-Rules
index 10c9452..cd83c85 100644
--- a/elf/rtld-Rules
+++ b/elf/rtld-Rules
@@ -1,6 +1,7 @@
 # Subroutine makefile for compiling libc modules linked into dynamic linker.
 
-# Copyright (C) 2002,2003,2005,2006,2008,2010 Free Software Foundation, Inc.
+# Copyright (C) 2002,2003,2005,2006,2008,2010,2011
+#   Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -50,7 +51,6 @@ $(objpfx)rtld-libc.a: $(foreach dir,$(rtld-subdirs),\
 					    $(rtld-$(dir))))
 	@-rm -f $@T
 	$(AR) cq$(verbose) $@T $^
-	$(RANLIB) $@T
 	mv -f $@T $@
 
 # Use the verbose option of ar and tar when not running silently.
diff --git a/libidn/configure b/libidn/configure
index 365e747..c6ba2ee 100644
--- a/libidn/configure
+++ b/libidn/configure
@@ -4,7 +4,5 @@ libc_add_on_canonical=
 libc_add_on_subdirs=.
 
 # Get this defined in config.h for main source code to test.
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_LIBIDN 1
-_ACEOF
+$as_echo "#define HAVE_LIBIDN 1" >>confdefs.h
 
diff --git a/manual/install.texi b/manual/install.texi
index 24b1301..0ef3c3c 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -228,8 +228,8 @@ important to use this same @code{CC} value when running
 @code{configure}, like this: @samp{CC=@var{target}-gcc configure
 @var{target}}.  Set @code{BUILD_CC} to the compiler to use for programs
 run on the build system as part of compiling the library.  You may need to
-set @code{AR} and @code{RANLIB} to cross-compiling versions of @code{ar}
-and @code{ranlib} if the native tools are not configured to work with
+set @code{AR} to cross-compiling versions of @code{ar}
+if the native tools are not configured to work with
 object files for the target you configured for.
 
 
diff --git a/nptl/sysdeps/pthread/configure b/nptl/sysdeps/pthread/configure
index 7768c5c..3f7dcd6 100644
--- a/nptl/sysdeps/pthread/configure
+++ b/nptl/sysdeps/pthread/configure
@@ -1,39 +1,157 @@
+
+# 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
+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
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  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/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$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 $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# 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;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 
 if test "x$libc_cv_gcc___thread" != xyes; then
-  { { $as_echo "$as_me:$LINENO: error: compiler support for __thread is required" >&5
-$as_echo "$as_me: error: compiler support for __thread is required" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "compiler support for __thread is required" "$LINENO" 5
 fi
 
 if test "x${libc_cv_visibility_attribute}" != xyes ||
    test "x${libc_cv_broken_visibility_attribute}" != xno; then
-  { { $as_echo "$as_me:$LINENO: error: working compiler support for visibility attribute is required" >&5
-$as_echo "$as_me: error: working compiler support for visibility attribute is required" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
 fi
 
 if test "x$libc_cv_asm_cfi_directives" != xyes; then
     case "$base_machine" in
     i386 | x86_64 | powerpc | s390)
-      { { $as_echo "$as_me:$LINENO: error: CFI directive support in assembler is required" >&5
-$as_echo "$as_me: error: CFI directive support in assembler is required" >&2;}
-   { (exit 1); exit 1; }; } ;;
+      as_fn_error $? "CFI directive support in assembler is required" "$LINENO" 5 ;;
     *) ;;
   esac
 fi
 
 
-{ $as_echo "$as_me:$LINENO: checking for forced unwind support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for forced unwind support" >&5
 $as_echo_n "checking for forced unwind support... " >&6; }
-if test "${libc_cv_forced_unwind+set}" = set; then
+if test "${libc_cv_forced_unwind+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.$ac_ext
 /* end confdefs.h.  */
 #include <unwind.h>
 int
@@ -47,58 +165,27 @@ _Unwind_GetCFA (context)
   return 0;
 }
 _ACEOF
-rm -f conftest.$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:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   libc_cv_forced_unwind=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_forced_unwind=no
+  libc_cv_forced_unwind=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_forced_unwind" >&5
 $as_echo "$libc_cv_forced_unwind" >&6; }
 if test $libc_cv_forced_unwind = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_FORCED_UNWIND 1
-_ACEOF
+  $as_echo "#define HAVE_FORCED_UNWIND 1" >>confdefs.h
 
   old_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -Werror -fexceptions"
-  { $as_echo "$as_me:$LINENO: checking for C cleanup handling" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C cleanup handling" >&5
 $as_echo_n "checking for C cleanup handling... " >&6; }
-if test "${libc_cv_c_cleanup+set}" = set; then
+if test "${libc_cv_c_cleanup+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>
@@ -113,49 +200,20 @@ main ()
   return 0;
 }
 _ACEOF
-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=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   libc_cv_c_cleanup=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_c_cleanup=no
+  libc_cv_c_cleanup=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_c_cleanup" >&5
 $as_echo "$libc_cv_c_cleanup" >&6; }
   CFLAGS="$old_CFLAGS"
   if test $libc_cv_c_cleanup = no; then
-    { { $as_echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5
-$as_echo "$as_me: error: the compiler must support C cleanup handling" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "the compiler must support C cleanup handling" "$LINENO" 5
   fi
 else
-  { { $as_echo "$as_me:$LINENO: error: forced unwind support is required" >&5
-$as_echo "$as_me: error: forced unwind support is required" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "forced unwind support is required" "$LINENO" 5
 fi
diff --git a/nptl/sysdeps/x86_64/configure b/nptl/sysdeps/x86_64/configure
index ae3ad54..4639c22 100644
--- a/nptl/sysdeps/x86_64/configure
+++ b/nptl/sysdeps/x86_64/configure
@@ -1,9 +1,91 @@
+
+# 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
+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
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  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/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$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 $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/i386.
 
-{ $as_echo "$as_me:$LINENO: checking for .cfi_personality and .cfi_lsda pseudo-ops" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .cfi_personality and .cfi_lsda pseudo-ops" >&5
 $as_echo_n "checking for .cfi_personality and .cfi_lsda pseudo-ops... " >&6; }
-if test "${libc_cv_asm_cfi_personality+set}" = set; then
+if test "${libc_cv_asm_cfi_personality+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
     cat > conftest.s <<EOF
@@ -15,11 +97,11 @@ foo:
 	.cfi_endproc
 EOF
   if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$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
     libc_cv_asm_cfi_personality=yes
   else
     libc_cv_asm_cfi_personality=no
@@ -27,10 +109,8 @@ EOF
   rm -f conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_asm_cfi_personality" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_cfi_personality" >&5
 $as_echo "$libc_cv_asm_cfi_personality" >&6; }
 if test x"$libc_cv_asm_cfi_personality" != xyes; then
-  { { $as_echo "$as_me:$LINENO: error: assembler too old, .cfi_personality support missing" >&5
-$as_echo "$as_me: error: assembler too old, .cfi_personality support missing" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "assembler too old, .cfi_personality support missing" "$LINENO" 5
 fi
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 06105c7..d05bd13 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -1,3 +1,102 @@
+
+# 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_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
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  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/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$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 $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/unix/sysv/linux.
 
@@ -11,9 +110,9 @@ if test -n "$sysheaders"; then
 fi
 
 
-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+{ $as_echo "$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
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -24,7 +123,7 @@ 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_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
@@ -44,7 +143,7 @@ case `"$ac_path_GREP" --version 2>&1` in
     $as_echo 'GREP' >> "conftest.nl"
     "$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
-    ac_count=`expr $ac_count + 1`
+    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"
@@ -59,26 +158,24 @@ esac
       $ac_path_GREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    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:$LINENO: result: $ac_cv_path_GREP" >&5
+{ $as_echo "$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:$LINENO: checking for egrep" >&5
+{ $as_echo "$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
+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
@@ -92,7 +189,7 @@ 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_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
@@ -112,7 +209,7 @@ case `"$ac_path_EGREP" --version 2>&1` in
     $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    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"
@@ -127,12 +224,10 @@ esac
       $ac_path_EGREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    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
@@ -140,21 +235,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+{ $as_echo "$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:$LINENO: checking installed Linux kernel header files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5
 $as_echo_n "checking installed Linux kernel header files... " >&6; }
-if test "${libc_cv_linux2010+set}" = set; then
+if test "${libc_cv_linux2010+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.$ac_ext
 /* end confdefs.h.  */
 #include <linux/version.h>
 #if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE <  (2 *65536+ 0 *256+ 10) /* 2.0.10 */
@@ -162,7 +253,7 @@ eat flaming death
 #endif
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "eat flaming death" >/dev/null 2>&1; then
+  $EGREP "eat flaming death" >/dev/null 2>&1; then :
   libc_cv_linux2010='TOO OLD!'
 else
   libc_cv_linux2010='2.0.10 or later'
@@ -170,26 +261,17 @@ fi
 rm -f conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux2010" >&5
 $as_echo "$libc_cv_linux2010" >&6; }
 if test "$libc_cv_linux2010" != '2.0.10 or later'; then
-  { { $as_echo "$as_me:$LINENO: error: GNU libc requires kernel header files from
+  as_fn_error $? "GNU libc requires kernel header files from
 Linux 2.0.10 or later to be installed before configuring.
 The kernel header files are found usually in /usr/include/asm and
 /usr/include/linux; make sure these directories use files from
 Linux 2.0.10 or later.  This check uses <linux/version.h>, so
 make sure that file was built correctly when installing the kernel header
 files.  To use kernel headers not from /usr/include/linux, use the
-configure option --with-headers." >&5
-$as_echo "$as_me: error: GNU libc requires kernel header files from
-Linux 2.0.10 or later to be installed before configuring.
-The kernel header files are found usually in /usr/include/asm and
-/usr/include/linux; make sure these directories use files from
-Linux 2.0.10 or later.  This check uses <linux/version.h>, so
-make sure that file was built correctly when installing the kernel header
-files.  To use kernel headers not from /usr/include/linux, use the
-configure option --with-headers." >&2;}
-   { (exit 1); exit 1; }; }
+configure option --with-headers." "$LINENO" 5
 fi
 
 # If the user gave a minimal version number test whether the available
@@ -263,7 +345,7 @@ if test -n "$minimum_kernel"; then
   arch_version=$((`echo "$arch_minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
 
   if test $user_version -lt $arch_version; then
-    { $as_echo "$as_me:$LINENO: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
 $as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;}
     minimum_kernel=$arch_minimum_kernel
   fi
@@ -274,15 +356,11 @@ else
 fi
 
 if test -n "$minimum_kernel"; then
-  { $as_echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
 $as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
   decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
   abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
-  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 <linux/version.h>
 #if LINUX_VERSION_CODE < $decnum
@@ -290,14 +368,14 @@ eat flaming death
 #endif
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "eat flaming death" >/dev/null 2>&1; then
+  $EGREP "eat flaming death" >/dev/null 2>&1; then :
   libc_minimum_kernel='too old!'
 else
   libc_minimum_kernel=ok
 fi
 rm -f conftest*
 
-  { $as_echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
 $as_echo "$libc_minimum_kernel" >&6; }
   if test "$libc_minimum_kernel" = ok; then
     cat >>confdefs.h <<_ACEOF
@@ -309,11 +387,8 @@ _ACEOF
 _ACEOF
 
   else
-    { { $as_echo "$as_me:$LINENO: error: *** The available kernel headers are older than the requested
-*** compatible kernel version" >&5
-$as_echo "$as_me: error: *** The available kernel headers are older than the requested
-*** compatible kernel version" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "*** The available kernel headers are older than the requested
+*** compatible kernel version" "$LINENO" 5
   fi
 fi
 
@@ -441,7 +516,7 @@ if test $host = $build; then
   else
     ac_prefix=$ac_default_prefix
   fi
-  { $as_echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5
 $as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
   ac_message=
   if test -L ${ac_prefix}/include/net; then
@@ -453,23 +528,16 @@ $as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
    ${ac_prefix}/include/scsi is a symlink"
   fi
   if test -n "$ac_message"; then
-    { { $as_echo "$as_me:$LINENO: error: $ac_message
+    as_fn_error $? "$ac_message
 \`make install' will destroy the target of the link(s).
 Delete the links and re-run configure, or better still, move the entire
-${ac_prefix}/include directory out of the way." >&5
-$as_echo "$as_me: error: $ac_message
-\`make install' will destroy the target of the link(s).
-Delete the links and re-run configure, or better still, move the entire
-${ac_prefix}/include directory out of the way." >&2;}
-   { (exit 1); exit 1; }; }
+${ac_prefix}/include directory out of the way." "$LINENO" 5
   else
-    { $as_echo "$as_me:$LINENO: result: ok" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
 $as_echo "ok" >&6; }
   fi
 fi
 
 # We have inlined syscalls.
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INLINED_SYSCALLS 1
-_ACEOF
+$as_echo "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h
 
diff --git a/sysdeps/x86_64/elf/configure b/sysdeps/x86_64/elf/configure
index f722b9e..99241e7 100644
--- a/sysdeps/x86_64/elf/configure
+++ b/sysdeps/x86_64/elf/configure
@@ -1,11 +1,93 @@
+
+# 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
+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
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  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/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$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 $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/x86_64/elf.
 
 if test "$usetls" != no; then
 # Check for support of thread-local storage handling in assembler and linker.
-{ $as_echo "$as_me:$LINENO: checking for x86-64 TLS support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86-64 TLS support" >&5
 $as_echo_n "checking for x86-64 TLS support... " >&6; }
-if test "${libc_cv_x86_64_tls+set}" = set; then
+if test "${libc_cv_x86_64_tls+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.s <<\EOF
@@ -22,27 +104,24 @@ baz:	leaq	bar@TLSLD(%rip), %rdi
 	movq	$bar@TPOFF, %rdx
 EOF
 if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$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
   libc_cv_x86_64_tls=yes
 else
   libc_cv_x86_64_tls=no
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_x86_64_tls" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_64_tls" >&5
 $as_echo "$libc_cv_x86_64_tls" >&6; }
 if test $libc_cv_x86_64_tls = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_TLS_SUPPORT 1
-_ACEOF
+  $as_echo "#define HAVE_TLS_SUPPORT 1" >>confdefs.h
 
 fi
 fi
 
-cat >>confdefs.h <<\_ACEOF
-#define PI_STATIC_AND_HIDDEN 1
-_ACEOF
+$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+