* configure.in: Only built erc32 simulator on Unix hosts as it

	uses pseudo ttys.
	* configure: Regenerated with autoconf 2.8.

3 files changed, 532 insertions, 35 deletions

diff --git a/sim/ChangeLog b/sim/ChangeLog
index 1a657c7..7e165cd 100644
--- a/sim/ChangeLog
+++ b/sim/ChangeLog
@@ -1,6 +1,22 @@
+Wed May 22 12:10:49 1996  Rob Savoye  <rob@chinadoll>
+
+	* configure.in: Only built erc32 simulator on Unix hosts as it
+	uses pseudo ttys.
+	* configure: Regenerated with autoconf 2.8.
+
+Sun May 19 20:20:40 1996  Rob Savoye  <rob@chinadoll.cygnus.com>
+
+	* erc32: Sparc simulator from the ESA.
+
+Sun Apr  7 21:00:09 1996  Fred Fish  <fnf@cygnus.com>
+
+	From: Miles Bader  <miles@gnu.ai.mit.edu>
+	* configure.in: Use AC_CHECK_TOOL to find AR & RANLIB.
+	* configure: Regenerate using autoconf.
+
 Thu Feb 22 11:31:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 
-	* Makefile.in (install): Fix type.
+	* Makefile.in (install): Fix typo.
 
 Wed Feb 21 11:59:57 1996  Ian Lance Taylor  <ian@cygnus.com>
 
diff --git a/sim/configure b/sim/configure
index c6833b7..1030936 100755
--- a/sim/configure
+++ b/sim/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.4 
+# Generated automatically using autoconf version 2.8 
 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -35,9 +35,22 @@ target=NONE
 verbose=
 x_includes=NONE
 x_libraries=NONE
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datadir='${prefix}/share'
+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'
 
 # Initialize some other variables.
 subdirs=
+MFLAGS= MAKEFLAGS=
 
 ac_prev=
 for ac_option
@@ -59,9 +72,14 @@ do
 
   case "$ac_option" in
 
-  -build | --build | --buil | --bui | --bu | --b)
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir="$ac_optarg" ;;
+
+  -build | --build | --buil | --bui | --bu)
     ac_prev=build ;;
-  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
     build="$ac_optarg" ;;
 
   -cache-file | --cache-file | --cache-fil | --cache-fi \
@@ -71,6 +89,12 @@ do
   | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
     cache_file="$ac_optarg" ;;
 
+  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+  | --da=*)
+    datadir="$ac_optarg" ;;
+
   -disable-* | --disable-*)
     ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
     # Reject names that are not valid shell variable names.
@@ -121,12 +145,29 @@ Configuration:
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
                           [$ac_default_prefix]
-  --exec-prefix=PREFIX    install architecture-dependent files in PREFIX
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [same as prefix]
+  --bindir=DIR            user executables in DIR [EPREFIX/bin]
+  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
+  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
+  --datadir=DIR           read-only architecture-independent data in DIR
+                          [PREFIX/share]
+  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
+                          [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
+  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
+  --includedir=DIR        C header files in DIR [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
+  --infodir=DIR           info documentation in DIR [PREFIX/info]
+  --mandir=DIR            man documentation in DIR [PREFIX/man]
   --srcdir=DIR            find the sources in DIR [configure dir or ..]
   --program-prefix=PREFIX prepend PREFIX to installed program names
   --program-suffix=SUFFIX append SUFFIX to installed program names
-  --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+  --program-transform-name=PROGRAM
+                          run sed PROGRAM on installed program names
+EOF
+    cat << EOF
 Host type:
   --build=BUILD           configure for building on BUILD [BUILD=HOST]
   --host=HOST             configure for HOST [guessed]
@@ -138,8 +179,10 @@ Features and packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --x-includes=DIR        X include files are in DIR
   --x-libraries=DIR       X library files are in DIR
---enable and --with options recognized:$ac_help
 EOF
+    if test -n "$ac_help"; then
+      echo "--enable and --with options recognized:$ac_help"
+    fi
     exit 0 ;;
 
   -host | --host | --hos | --ho)
@@ -147,6 +190,44 @@ EOF
   -host=* | --host=* | --hos=* | --ho=*)
     host="$ac_optarg" ;;
 
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir="$ac_optarg" ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir="$ac_optarg" ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir="$ac_optarg" ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir="$ac_optarg" ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst \
+  | --locals | --local | --loca | --loc | --lo)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+    localstatedir="$ac_optarg" ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir="$ac_optarg" ;;
+
   -nfp | --nfp | --nf)
     # Obsolete; use --without-fp.
     with_fp=no ;;
@@ -159,6 +240,15 @@ EOF
   | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
     no_recursion=yes ;;
 
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir="$ac_optarg" ;;
+
   -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
     ac_prev=prefix ;;
   -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
@@ -199,6 +289,23 @@ EOF
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir="$ac_optarg" ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir="$ac_optarg" ;;
+
   -site | --site | --sit)
     ac_prev=site ;;
   -site=* | --site=* | --sit=*)
@@ -209,6 +316,13 @@ EOF
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
     srcdir="$ac_optarg" ;;
 
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir="$ac_optarg" ;;
+
   -target | --target | --targe | --targ | --tar | --ta | --t)
     ac_prev=target ;;
   -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
@@ -218,7 +332,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.4"
+    echo "configure generated by autoconf version 2.8"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -264,7 +378,7 @@ EOF
   -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
     ;;
 
-  *) 
+  *)
     if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
       echo "configure: warning: $ac_option: invalid host type" 1>&2
     fi
@@ -384,8 +498,8 @@ fi
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'
-ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5 2>&5'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
@@ -401,6 +515,291 @@ fi
 
 
 
+# Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="gcc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  ac_prog_rejected=no
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.c <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:605: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gcc=yes
+else
+  ac_cv_prog_gcc=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+  if test "${CFLAGS+set}" != set; then
+    echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.c
+if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  ac_cv_prog_gcc_g=yes
+else
+  ac_cv_prog_gcc_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
+    if test $ac_cv_prog_gcc_g = yes; then
+      CFLAGS="-g -O"
+    else
+      CFLAGS="-O"
+    fi
+  fi
+else
+  GCC=
+  test "${CFLAGS+set}" = set || CFLAGS="-g"
+fi
+
+ac_aux_dir=
+for ac_dir in $srcdir $srcdir/.. $srcdir/../..; 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="$ac_aux_dir/install.sh -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
+fi
+ac_config_guess=$ac_aux_dir/config.guess
+ac_config_sub=$ac_aux_dir/config.sub
+ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
+
+
+# Make sure we can run config.sub.
+if $ac_config_sub sun4 >/dev/null 2>&1; then :
+else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+
+host_alias=$host
+case "$host_alias" in
+NONE)
+  case $nonopt in
+  NONE)
+    if host_alias=`$ac_config_guess`; then :
+    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
+    fi ;;
+  *) host_alias=$nonopt ;;
+  esac ;;
+esac
+
+host=`$ac_config_sub $host_alias`
+host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+echo "$ac_t""$host" 1>&6
+
+echo $ac_n "checking build system type""... $ac_c" 1>&6
+
+build_alias=$build
+case "$build_alias" in
+NONE)
+  case $nonopt in
+  NONE) build_alias=$host_alias ;;
+  *) build_alias=$nonopt ;;
+  esac ;;
+esac
+
+build=`$ac_config_sub $build_alias`
+build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+echo "$ac_t""$build" 1>&6
+
+if test $host != $build; then
+  ac_tool_prefix=${host_alias}-
+else
+  ac_tool_prefix=
+fi
+
+# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_AR="${ac_tool_prefix}ar"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar"
+fi
+fi
+AR="$ac_cv_prog_AR"
+if test -n "$AR"; then
+  echo "$ac_t""$AR" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+
+# 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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+RANLIB="$ac_cv_prog_RANLIB"
+if test -n "$RANLIB"; then
+  echo "$ac_t""$RANLIB" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+if test -z "$ac_cv_prog_RANLIB"; then
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_RANLIB="ranlib"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
+fi
+fi
+RANLIB="$ac_cv_prog_RANLIB"
+if test -n "$RANLIB"; then
+  echo "$ac_t""$RANLIB" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+else
+  RANLIB=":"
+fi
+fi
+
+
 ac_aux_dir=
 for ac_dir in `cd $srcdir;pwd`/.. $srcdir/`cd $srcdir;pwd`/..; do
   if test -f $ac_dir/install-sh; then
@@ -427,7 +826,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 #
 # The rules are:
 # 1. You are not allowed to specify --host, --target, and nonopt at the
-#    same time. 
+#    same time.
 # 2. Host defaults to nonopt.
 # 3. If nonopt is not specified, then host defaults to the current host,
 #    as determined by config.guess.
@@ -509,8 +908,10 @@ test "$host_alias" != "$target_alias" &&
 if test "$program_transform_name" = s,x,x,; then
   program_transform_name=
 else
-  # Double any \ or $.
-  echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
+  # Double any \ or $.  echo might interpret backslashes.
+  cat <<\EOF_SED > conftestsed
+s,\\,\\\\,g; s,\$,$$,g
+EOF_SED
   program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
   rm -f conftestsed
 fi
@@ -541,7 +942,6 @@ else
     fi
   done
   IFS="$ac_save_ifs"
-  test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
 fi
 fi
 CC="$ac_cv_prog_CC"
@@ -551,6 +951,55 @@ else
   echo "$ac_t""no" 1>&6
 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 $ac_n "checking for $ac_word""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  ac_prog_rejected=no
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
@@ -561,12 +1010,13 @@ else
   yes;
 #endif
 EOF
-if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1014: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
 fi
 fi
+
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 if test $ac_cv_prog_gcc = yes; then
   GCC=yes
@@ -584,7 +1034,8 @@ fi
 rm -f conftest*
 
 fi
-    echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
+
+echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
     if test $ac_cv_prog_gcc_g = yes; then
       CFLAGS="-g -O"
     else
@@ -639,11 +1090,11 @@ else
   ac_cv_c_cross=yes
 else
 cat > conftest.$ac_ext <<EOF
-#line 643 "configure"
+#line 1094 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-eval $ac_link
+{ (eval echo configure:1098: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_c_cross=no
 else
@@ -652,8 +1103,9 @@ fi
 fi
 rm -fr conftest*
 fi
-cross_compiling=$ac_cv_c_cross
+
 echo "$ac_t""$ac_cv_c_cross" 1>&6
+cross_compiling=$ac_cv_c_cross
 
 if test "x$cross_compiling" = "xno"; then
   CC_FOR_BUILD='$(CC)'
@@ -662,9 +1114,13 @@ else
 fi
 
 
+# The PowerPC simulator uses the GCC extension long long as well as
+# ANSI prototypes, so don't enable it for random host compilers
+# unless asked to.
+
 # Check whether --enable-sim-powerpc or --disable-sim-powerpc was given.
-enableval="$enable_sim_powerpc"
-if test -n "$enableval"; then
+if test "${enable_sim_powerpc+set}" = set; then
+  enableval="$enable_sim_powerpc"
   case "${enableval}" in
 yes)	powerpc_sim=yes ;;
 no)	powerpc_sim=no ;;
@@ -689,6 +1145,12 @@ case "${target}" in
   powerpc*-*-eabi*)	if test x"$powerpc_sim" = x"yes"; then sim_target=ppc; fi ;;
   w65-*-*)		sim_target=w65 ;;
   z8k*-*-*)		sim_target=z8k ;;
+  sparc*-*-*)		case "${host}" in	# don't build for non Unix systems
+			  *-*-go32)	sim_target=none ;;
+			  *-*-winnt)	sim_target=none ;;
+			  *-*-cygwin32)	sim_target=none ;;
+  			  *) 		sim_target=erc32 ;;
+  			esac ;;
   *)			sim_target=none ;;
 esac
 
@@ -749,7 +1211,7 @@ trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
 # Protect against shell expansion while executing Makefile rules.
 # Protect against Makefile macro expansion.
 cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
 s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
 s%\[%\\&%g
 s%\]%\\&%g
@@ -784,7 +1246,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.4"
+    echo "$CONFIG_STATUS generated by autoconf version 2.8"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -795,10 +1257,12 @@ done
 ac_given_srcdir=$srcdir
 
 trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+EOF
+cat >> $CONFIG_STATUS <<EOF
 
-# Protect against being on the right side of a sed subst in config.status. 
-sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; 
- s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
+# Protect against being on the right side of a sed subst in config.status.
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
 $ac_vpsub
 $extrasub
 s%@CFLAGS@%$CFLAGS%g
@@ -810,25 +1274,37 @@ s%@LIBS@%$LIBS%g
 s%@exec_prefix@%$exec_prefix%g
 s%@prefix@%$prefix%g
 s%@program_transform_name@%$program_transform_name%g
+s%@bindir@%$bindir%g
+s%@sbindir@%$sbindir%g
+s%@libexecdir@%$libexecdir%g
+s%@datadir@%$datadir%g
+s%@sysconfdir@%$sysconfdir%g
+s%@sharedstatedir@%$sharedstatedir%g
+s%@localstatedir@%$localstatedir%g
+s%@libdir@%$libdir%g
+s%@includedir@%$includedir%g
+s%@oldincludedir@%$oldincludedir%g
+s%@infodir@%$infodir%g
+s%@mandir@%$mandir%g
+s%@CC@%$CC%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
 s%@host_cpu@%$host_cpu%g
 s%@host_vendor@%$host_vendor%g
 s%@host_os@%$host_os%g
-s%@target@%$target%g
-s%@target_alias@%$target_alias%g
-s%@target_cpu@%$target_cpu%g
-s%@target_vendor@%$target_vendor%g
-s%@target_os@%$target_os%g
 s%@build@%$build%g
 s%@build_alias@%$build_alias%g
 s%@build_cpu@%$build_cpu%g
 s%@build_vendor@%$build_vendor%g
 s%@build_os@%$build_os%g
-s%@CC@%$CC%g
-s%@HDEFINES@%$HDEFINES%g
 s%@AR@%$AR%g
 s%@RANLIB@%$RANLIB%g
+s%@target@%$target%g
+s%@target_alias@%$target_alias%g
+s%@target_cpu@%$target_cpu%g
+s%@target_vendor@%$target_vendor%g
+s%@target_os@%$target_os%g
+s%@HDEFINES@%$HDEFINES%g
 s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g
 s%@subdirs@%$subdirs%g
 
diff --git a/sim/configure.in b/sim/configure.in
index db37122..44e2757 100644
--- a/sim/configure.in
+++ b/sim/configure.in
@@ -51,7 +51,12 @@ case "${target}" in
   powerpc*-*-eabi*)	if test x"$powerpc_sim" = x"yes"; then sim_target=ppc; fi ;;
   w65-*-*)		sim_target=w65 ;;
   z8k*-*-*)		sim_target=z8k ;;
-  sparc*-*-*)		sim_target=erc32 ;;
+  sparc*-*-*)		case "${host}" in	# don't build for non Unix systems
+			  *-*-go32)	sim_target=none ;;
+			  *-*-winnt)	sim_target=none ;;
+			  *-*-cygwin32)	sim_target=none ;;
+  			  *) 		sim_target=erc32 ;;
+  			esac ;;
   *)			sim_target=none ;;
 esac