configure.in: Fake AC_EXEEXT invocation.

	* configure.in: Fake AC_EXEEXT invocation.
	* configure: Regenerate.

From-SVN: r46385

3 files changed, 195 insertions, 150 deletions

diff --git a/libf2c/ChangeLog b/libf2c/ChangeLog
index f6becd5..bf047a1 100644
--- a/libf2c/ChangeLog
+++ b/libf2c/ChangeLog
@@ -1,3 +1,8 @@
+2001-10-20  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* configure.in: Fake AC_EXEEXT invocation.
+	* configure: Regenerate.
+
 2001-10-20  David Edelsohn  <dje@watson.ibm.com>
 
 	* Makefile.in: Do not include SUBDIRS in objlist.  Create
diff --git a/libf2c/configure b/libf2c/configure
index 0ad6d5b..664aeff 100755
--- a/libf2c/configure
+++ b/libf2c/configure
@@ -40,6 +40,7 @@ program_suffix=NONE
 program_transform_name=s,x,x,
 silent=
 site=
+sitefile=
 srcdir=
 target=NONE
 verbose=
@@ -154,6 +155,7 @@ Configuration:
   --help                  print this message
   --no-create             do not create output files
   --quiet, --silent       do not print \`checking...' messages
+  --site-file=FILE        use FILE as the site file
   --version               print the version of autoconf that created configure
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -324,6 +326,11 @@ EOF
   -site=* | --site=* | --sit=*)
     site="$ac_optarg" ;;
 
+  -site-file | --site-file | --site-fil | --site-fi | --site-f)
+    ac_prev=sitefile ;;
+  -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
+    sitefile="$ac_optarg" ;;
+
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
@@ -489,12 +496,16 @@ fi
 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 
 # 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 $ac_default_prefix/etc/config.site"
+if test -z "$sitefile"; then
+  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 $ac_default_prefix/etc/config.site"
+    fi
   fi
+else
+  CONFIG_SITE="$sitefile"
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
@@ -532,68 +543,6 @@ else
   ac_n= ac_c='\c' ac_t=
 fi
 
-echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:537: checking for Cygwin environment" >&5
-if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 542 "configure"
-#include "confdefs.h"
-
-int main() {
-
-#ifndef __CYGWIN__
-#define __CYGWIN__ __CYGWIN32__
-#endif
-return __CYGWIN__;
-; return 0; }
-EOF
-if { (eval echo configure:553: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  ac_cv_cygwin=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_cygwin=no
-fi
-rm -f conftest*
-rm -f conftest*
-fi
-
-echo "$ac_t""$ac_cv_cygwin" 1>&6
-CYGWIN=
-test "$ac_cv_cygwin" = yes && CYGWIN=yes
-echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:570: checking for mingw32 environment" >&5
-if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 575 "configure"
-#include "confdefs.h"
-
-int main() {
-return __MINGW32__;
-; return 0; }
-EOF
-if { (eval echo configure:582: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  ac_cv_mingw32=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_mingw32=no
-fi
-rm -f conftest*
-rm -f conftest*
-fi
-
-echo "$ac_t""$ac_cv_mingw32" 1>&6
-MINGW32=
-test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 if test "${srcdir}" = "."  ; then
@@ -632,7 +581,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 compiler_name=f771
 rm -f skip-this-dir
 echo $ac_n "checking if compiler $compiler_name has been built""... $ac_c" 1>&6
-echo "configure:636: checking if compiler $compiler_name has been built" >&5
+echo "configure:585: checking if compiler $compiler_name has been built" >&5
 if eval "test \"`echo '$''{'g77_cv_compiler_exists'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -661,13 +610,122 @@ fi
 
 
 
+# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
+# at least currently, we never actually build a program, so we never
+# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
+# fails, because we are probably configuring with a cross compiler
+# which cant create executables.  So we include AC_EXEEXT to keep
+# automake happy, but we dont execute it, since we dont care about
+# the result.
+if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
+  echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
+echo "configure:627: checking for Cygwin environment" >&5
+if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 632 "configure"
+#include "confdefs.h"
+
+int main() {
+
+#ifndef __CYGWIN__
+#define __CYGWIN__ __CYGWIN32__
+#endif
+return __CYGWIN__;
+; return 0; }
+EOF
+if { (eval echo configure:643: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_cygwin=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_cygwin=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_cygwin" 1>&6
+CYGWIN=
+test "$ac_cv_cygwin" = yes && CYGWIN=yes
+echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
+echo "configure:660: checking for mingw32 environment" >&5
+if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 665 "configure"
+#include "confdefs.h"
+
+int main() {
+return __MINGW32__;
+; return 0; }
+EOF
+if { (eval echo configure:672: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_mingw32=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_mingw32=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_mingw32" 1>&6
+MINGW32=
+test "$ac_cv_mingw32" = yes && MINGW32=yes
+
+
+echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
+echo "configure:691: checking for executable suffix" >&5
+if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
+  ac_cv_exeext=.exe
+else
+  rm -f conftest*
+  echo 'int main () { return 0; }' > conftest.$ac_ext
+  ac_cv_exeext=
+  if { (eval echo configure:701: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+    for file in conftest.*; do
+      case $file in
+      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
+      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
+      esac
+    done
+  else
+    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
+  fi
+  rm -f conftest*
+  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
+fi
+fi
+
+EXEEXT=""
+test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
+echo "$ac_t""${ac_cv_exeext}" 1>&6
+ac_exeext=$EXEEXT
+
+fi
+
 # For g77 we'll set CC to point at the built gcc, but this will get it into
 # the makefiles
 
 # 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
-echo "configure:671: checking for $ac_word" >&5
+echo "configure:729: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -697,7 +755,7 @@ if test -z "$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
-echo "configure:701: checking for $ac_word" >&5
+echo "configure:759: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -748,7 +806,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:752: checking for $ac_word" >&5
+echo "configure:810: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -781,7 +839,7 @@ fi
 
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:785: checking whether we are using GNU C" >&5
+echo "configure:843: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -790,7 +848,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:794: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:852: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -809,7 +867,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:813: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:871: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -916,7 +974,7 @@ 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
-echo "configure:920: checking host system type" >&5
+echo "configure:978: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -937,7 +995,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:941: checking build system type" >&5
+echo "configure:999: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -966,7 +1024,7 @@ ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:970: checking for ld used by GCC" >&5
+echo "configure:1028: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -996,10 +1054,10 @@ echo "configure:970: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1000: checking for GNU ld" >&5
+echo "configure:1058: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1003: checking for non-GNU ld" >&5
+echo "configure:1061: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'lt_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1034,7 +1092,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1038: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1096: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'lt_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1051,7 +1109,7 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:1055: checking for $LD option to reload object files" >&5
+echo "configure:1113: checking for $LD option to reload object files" >&5
 if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1063,7 +1121,7 @@ reload_flag=$lt_cv_ld_reload_flag
 test -n "$reload_flag" && reload_flag=" $reload_flag"
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1067: checking for BSD-compatible nm" >&5
+echo "configure:1125: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'lt_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1101,7 +1159,7 @@ NM="$lt_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1105: checking whether ln -s works" >&5
+echo "configure:1163: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1122,7 +1180,7 @@ else
 fi
 
 echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:1126: checking how to recognise dependant libraries" >&5
+echo "configure:1184: checking how to recognise dependant libraries" >&5
 if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1286,13 +1344,13 @@ file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:1290: checking for object suffix" >&5
+echo "configure:1348: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:1296: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1354: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -1309,39 +1367,6 @@ echo "$ac_t""$ac_cv_objext" 1>&6
 OBJEXT=$ac_cv_objext
 ac_objext=$ac_cv_objext
 
-
-
-echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1316: checking for executable suffix" >&5
-if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
-  ac_cv_exeext=.exe
-else
-  rm -f conftest*
-  echo 'int main () { return 0; }' > conftest.$ac_ext
-  ac_cv_exeext=
-  if { (eval echo configure:1326: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
-    for file in conftest.*; do
-      case $file in
-      *.c | *.o | *.obj) ;;
-      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
-      esac
-    done
-  else
-    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
-  fi
-  rm -f conftest*
-  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
-fi
-fi
-
-EXEEXT=""
-test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
-echo "$ac_t""${ac_cv_exeext}" 1>&6
-ac_exeext=$EXEEXT
-
 if test $host != $build; then
   ac_tool_prefix=${host_alias}-
 else
@@ -1355,7 +1380,7 @@ case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
     echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:1359: checking for ${ac_tool_prefix}file" >&5
+echo "configure:1384: checking for ${ac_tool_prefix}file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1417,7 +1442,7 @@ fi
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
     echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:1421: checking for file" >&5
+echo "configure:1446: checking for file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1488,7 +1513,7 @@ esac
 # Extract the first word of "${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
-echo "configure:1492: checking for $ac_word" >&5
+echo "configure:1517: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1520,7 +1545,7 @@ if test -n "$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
-echo "configure:1524: checking for $ac_word" >&5
+echo "configure:1549: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1555,7 +1580,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1559: checking for $ac_word" >&5
+echo "configure:1584: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1587,7 +1612,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1591: checking for $ac_word" >&5
+echo "configure:1616: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1654,8 +1679,8 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 1658 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:1659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 1683 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:1684: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case `/usr/bin/file conftest.$ac_objext` in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -1676,7 +1701,7 @@ case $host in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:1680: checking whether the C compiler needs -belf" >&5
+echo "configure:1705: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1689,14 +1714,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
      cat > conftest.$ac_ext <<EOF
-#line 1693 "configure"
+#line 1718 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1700: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -1820,7 +1845,7 @@ else
   # 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
-echo "configure:1824: checking for $ac_word" >&5
+echo "configure:1849: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1860,7 +1885,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1864: checking for a BSD compatible install" >&5
+echo "configure:1889: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1913,7 +1938,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1917: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1942: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1942,7 +1967,7 @@ fi
 
 # Sanity check for the cross-compilation case:
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1946: checking how to run the C preprocessor" >&5
+echo "configure:1971: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1957,13 +1982,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1961 "configure"
+#line 1986 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1967: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1992: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1974,13 +1999,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1978 "configure"
+#line 2003 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1984: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2009: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1991,13 +2016,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1995 "configure"
+#line 2020 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2001: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2023,17 +2048,17 @@ echo "$ac_t""$CPP" 1>&6
 
 ac_safe=`echo "stdio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for stdio.h""... $ac_c" 1>&6
-echo "configure:2027: checking for stdio.h" >&5
+echo "configure:2052: checking for stdio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2032 "configure"
+#line 2057 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2037: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2062: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2061,12 +2086,12 @@ fi
 
 
 echo $ac_n "checking for built-in g77 integer types""... $ac_c" 1>&6
-echo "configure:2065: checking for built-in g77 integer types" >&5
+echo "configure:2090: checking for built-in g77 integer types" >&5
 if eval "test \"`echo '$''{'libf2c_cv_has_g77_builtin_types'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2070 "configure"
+#line 2095 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2076,7 +2101,7 @@ __g77_longint g77l;
 __g77_ulongint g77ul;
 ; return 0; }
 EOF
-if { (eval echo configure:2080: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2105: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libf2c_cv_has_g77_builtin_types=yes
 else
@@ -2141,7 +2166,7 @@ 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
-echo "configure:2145: checking host system type" >&5
+echo "configure:2170: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -2162,7 +2187,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:2166: checking target system type" >&5
+echo "configure:2191: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -2180,7 +2205,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:2184: checking build system type" >&5
+echo "configure:2209: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -2353,6 +2378,7 @@ s%@includedir@%$includedir%g
 s%@oldincludedir@%$oldincludedir%g
 s%@infodir@%$infodir%g
 s%@mandir@%$mandir%g
+s%@EXEEXT@%$EXEEXT%g
 s%@CC@%$CC%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
@@ -2366,7 +2392,6 @@ s%@build_vendor@%$build_vendor%g
 s%@build_os@%$build_os%g
 s%@LN_S@%$LN_S%g
 s%@OBJEXT@%$OBJEXT%g
-s%@EXEEXT@%$EXEEXT%g
 s%@RANLIB@%$RANLIB%g
 s%@STRIP@%$STRIP%g
 s%@LIBTOOL@%$LIBTOOL%g
diff --git a/libf2c/configure.in b/libf2c/configure.in
index 1746d0a..ce3dcdc5 100644
--- a/libf2c/configure.in
+++ b/libf2c/configure.in
@@ -69,6 +69,21 @@ dnl FIXME AC_PROG_CC wants CC to be able to link things, but it may
 dnl not be able to.
 define([AC_PROG_CC_WORKS],[])
 
+# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
+# at least currently, we never actually build a program, so we never
+# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
+# fails, because we are probably configuring with a cross compiler
+# which cant create executables.  So we include AC_EXEEXT to keep
+# automake happy, but we dont execute it, since we dont care about
+# the result.
+if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
+  AC_EXEEXT
+fi
+
 # For g77 we'll set CC to point at the built gcc, but this will get it into
 # the makefiles