acinclude.m4 ltconfig upgrade to libtool 1.2d (with fixes for irix6 and

* acinclude.m4
* ltconfig
* ltmain.sh: upgrade to libtool 1.2d (with fixes for irix6 and osf)

-Yosh

1 files changed, 295 insertions, 343 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 91e8d049fa..8ce50126e3 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -21,15 +21,18 @@
 ## configuration script generated by Autoconf, you may include it under
 ## the same distribution terms that you use for the rest of that program.
 
-# serial 24 AM_PROG_LIBTOOL
+# serial 29 AM_PROG_LIBTOOL
 AC_DEFUN(AM_PROG_LIBTOOL,
 [AC_REQUIRE([AM_ENABLE_SHARED])dnl
 AC_REQUIRE([AM_ENABLE_STATIC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 AC_REQUIRE([AC_PROG_RANLIB])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AM_PROG_LD])dnl
 AC_REQUIRE([AM_PROG_NM])dnl
+AC_REQUIRE([AM_SYS_NM_PARSE])dnl
+AC_REQUIRE([AM_SYS_SYMBOL_UNDERSCORE])dnl
 AC_REQUIRE([AC_PROG_LN_S])dnl
 dnl
 # Always use our own libtool.
@@ -68,16 +71,45 @@ case "$host" in
 
 *-*-sco3.2v5*)
   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+
+*-*-cygwin32*)
+  AM_SYS_LIBTOOL_CYGWIN32
   ;;
+
 esac
 
+# enable the --disable-libtool-lock switch
+
+AC_ARG_ENABLE(libtool-lock,
+[  --disable-libtool-lock  force libtool not to do file locking],
+need_locks=$enableval,
+need_locks=yes)
+
+if test x"$need_locks" = xno; then
+  libtool_flags="$libtool_flags --disable-lock"
+fi
+
+
 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
 LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
-${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
+DLLTOOL="$DLLTOOL" AS="$AS" \
+${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
 || AC_MSG_ERROR([libtool configure failed])
+
+# Redirect the config.log output again, so that the ltconfig log is not
+# clobbered by the next message.
+exec 5>>./config.log
 ])
 
 # AM_ENABLE_SHARED - implement the --enable-shared flag
@@ -88,10 +120,8 @@ AC_DEFUN(AM_ENABLE_SHARED,
 [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(shared,
 changequote(<<, >>)dnl
-<<  --enable-shared         build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT]
+<<  --enable-shared[=PKGS]  build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT],
 changequote([, ])dnl
-[  --enable-shared=PKGS    only build shared libraries if the current package
-                          appears as an element in the PKGS list],
 [p=${PACKAGE-default}
 case "$enableval" in
 yes) enable_shared=yes ;;
@@ -127,10 +157,8 @@ AC_DEFUN(AM_ENABLE_STATIC,
 [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(static,
 changequote(<<, >>)dnl
-<<  --enable-static         build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT]
+<<  --enable-static[=PKGS]  build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT],
 changequote([, ])dnl
-[  --enable-static=PKGS    only build shared libraries if the current package
-                          appears as an element in the PKGS list],
 [p=${PACKAGE-default}
 case "$enableval" in
 yes) enable_static=yes ;;
@@ -156,17 +184,59 @@ AC_DEFUN(AM_PROG_LD,
 [AC_ARG_WITH(gnu-ld,
 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
-AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   AC_MSG_CHECKING([for ld used by GCC])
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
-  # Accept absolute paths.
-  /* | [A-Za-z]:\\*)
-    test -z "$LD" && LD="$ac_prog"
-    ;;
+    # Accept absolute paths.
+changequote(,)dnl
+    /* | [A-Za-z]:/*)
+      # Canonicalize the path of ld
+      re_direlt='/[^/][^/]*/\.\./'
+      sub_uncdrive='s%^\([A-Za-z]\):/%//\1/%'
+changequote([,])dnl
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+        ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+      done
+      case "$host_os" in
+      cygwin*)
+        # Convert to a UNC path for cygwin
+        test -z "$LD" && LD=`echo X$ac_prog | $Xsed -e "$sub_uncdrive"`
+	;;
+      *)
+        test -z "$LD" && LD="$ac_prog"
+	;;
+      esac
+      ;;
+    ##
+    ## FIXME:  The code fails later on if we try to use an $LD with
+    ##         '\\' path separators.
+    ##
+changequote(,)dnl
+    [A-Za-z]:[\\]*)
+      # Canonicalize the path of ld
+      re_direlt='\\[^\\][^\\]*\\\.\.\(\\\)'
+      sub_uncdrive='s%^\([A-Za-z]\):\\%//\1/%'
+changequote([,])dnl
+      sub_uncdir='s%\\%/%g'
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+        ac_prog=`echo $ac_prog| sed "s%$re_direlt%\1%"`
+      done
+      case "$host_os" in
+      cygwin*)
+        # Convert to a UNC path for cygwin
+        test -z "$LD" && LD=`echo X$ac_prog | sed -e 's%^X%%' -e "$sub_uncdrive" -e "$sub_uncdir"`
+	;;
+      *)
+        test -z "$LD" && LD="$ac_prog"
+	;;
+      esac
+      ;;
   "")
     # If it fails, then pretend we aren't using GCC.
     ac_prog=ld
@@ -227,11 +297,10 @@ fi])
 AC_DEFUN(AM_PROG_NM,
 [AC_MSG_CHECKING([for BSD-compatible nm])
 AC_CACHE_VAL(ac_cv_path_NM,
-[case "$NM" in
-/* | [A-Za-z]:\\*)
-  ac_cv_path_NM="$NM" # Let the user override the test with a path.
-  ;;
-*)
+[if test -n "$NM"; then
+  # Let the user override the test.
+  ac_cv_path_NM="$NM"
+else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
   for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
     test -z "$ac_dir" && ac_dir=.
@@ -251,341 +320,224 @@ AC_CACHE_VAL(ac_cv_path_NM,
   done
   IFS="$ac_save_ifs"
   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
-  ;;
-esac])
+fi])
 NM="$ac_cv_path_NM"
 AC_MSG_RESULT([$NM])
 AC_SUBST(NM)
 ])
 
-# Macro to add for using GNU gettext.
-# Ulrich Drepper <drepper@cygnus.com>, 1995.
-#
-# Modified to never use included libintl. 
-# Owen Taylor <otaylor@redhat.com>, 12/15/1998
-#
-#
-# This file can be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU Public License
-# but which still want to provide support for the GNU gettext functionality.
-# Please note that the actual code is *not* freely available.
-
-# serial 5
-
-AC_DEFUN(AM_GTK_WITH_NLS,
-  [AC_MSG_CHECKING([whether NLS is requested])
-    dnl Default is enabled NLS
-    AC_ARG_ENABLE(nls,
-      [  --disable-nls           do not use Native Language Support],
-      USE_NLS=$enableval, USE_NLS=yes)
-    AC_MSG_RESULT($USE_NLS)
-    AC_SUBST(USE_NLS)
-
-    USE_INCLUDED_LIBINTL=no
-
-    dnl If we use NLS figure out what method
-    if test "$USE_NLS" = "yes"; then
-      AC_DEFINE(ENABLE_NLS)
-#      AC_MSG_CHECKING([whether included gettext is requested])
-#      AC_ARG_WITH(included-gettext,
-#        [  --with-included-gettext use the GNU gettext library included here],
-#        nls_cv_force_use_gnu_gettext=$withval,
-#        nls_cv_force_use_gnu_gettext=no)
-#      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
-      nls_cv_force_use_gnu_gettext="no"
-
-      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
-      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
-        dnl User does not insist on using GNU NLS library.  Figure out what
-        dnl to use.  If gettext or catgets are available (in this order) we
-        dnl use this.  Else we have to fall back to GNU NLS library.
-	dnl catgets is only used if permitted by option --with-catgets.
-	nls_cv_header_intl=
-	nls_cv_header_libgt=
-	CATOBJEXT=NONE
-
-	AC_CHECK_HEADER(libintl.h,
-	  [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
-	    [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
-	       gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
-
-	   if test "$gt_cv_func_gettext_libc" != "yes"; then
-	     AC_CHECK_LIB(intl, bindtextdomain,
-	       [AC_CACHE_CHECK([for gettext in libintl],
-		 gt_cv_func_gettext_libintl,
-		 [AC_CHECK_LIB(intl, gettext,
-		  gt_cv_func_gettext_libintl=yes,
-		  gt_cv_func_gettext_libintl=no)],
-		 gt_cv_func_gettext_libintl=no)])
-	   fi
-
-	   if test "$gt_cv_func_gettext_libc" = "yes" \
-	      || test "$gt_cv_func_gettext_libintl" = "yes"; then
-	      AC_DEFINE(HAVE_GETTEXT)
-	      AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-		[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
-	      if test "$MSGFMT" != "no"; then
-		AC_CHECK_FUNCS(dcgettext)
-		AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-		AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-		  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
-		AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
-			       return _nl_msg_cat_cntr],
-		  [CATOBJEXT=.gmo
-		   DATADIRNAME=share],
-		  [CATOBJEXT=.mo
-		   DATADIRNAME=lib])
-		INSTOBJEXT=.mo
-	      fi
-	    fi
-
-	    # Added by Martin Baulig 12/15/98 for libc5 systems
-	    if test "$gt_cv_func_gettext_libc" != "yes" \
-	       && test "$gt_cv_func_gettext_libintl" = "yes"; then
-	       INTLLIBS=-lintl
-	       LIBS=`echo $LIBS | sed -e 's/-lintl//'`
-	    fi
-	])
-
-        if test "$CATOBJEXT" = "NONE"; then
-	  AC_MSG_CHECKING([whether catgets can be used])
-	  AC_ARG_WITH(catgets,
-	    [  --with-catgets          use catgets functions if available],
-	    nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
-	  AC_MSG_RESULT($nls_cv_use_catgets)
-
-	  if test "$nls_cv_use_catgets" = "yes"; then
-	    dnl No gettext in C library.  Try catgets next.
-	    AC_CHECK_LIB(i, main)
-	    AC_CHECK_FUNC(catgets,
-	      [AC_DEFINE(HAVE_CATGETS)
-	       INTLOBJS="\$(CATOBJS)"
-	       AC_PATH_PROG(GENCAT, gencat, no)dnl
-#	       if test "$GENCAT" != "no"; then
-#		 AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
-#		 if test "$GMSGFMT" = "no"; then
-#		   AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
-#		    [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
-#		 fi
-#		 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-#		   [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
-#		 USE_INCLUDED_LIBINTL=yes
-#		 CATOBJEXT=.cat
-#		 INSTOBJEXT=.cat
-#		 DATADIRNAME=lib
-#		 INTLDEPS='$(top_builddir)/intl/libintl.a'
-#		 INTLLIBS=$INTLDEPS
-#		 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
-#		 nls_cv_header_intl=intl/libintl.h
-#		 nls_cv_header_libgt=intl/libgettext.h
-#              fi
-            ])
-	  fi
-        fi
+# AM_SYS_NM_PARSE - Check for command ro grab the raw symbol name followed
+# by C symbol name from nm.
+AC_DEFUN(AM_SYS_NM_PARSE,
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AM_PROG_NM])dnl
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output])
+AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
+[# These are sane defaults that work on at least a few old systems.
+# {They come from Ultrix.  What could be older than Ultrix?!! ;)}
+
+changequote(,)dnl
+# Character class describing NM global symbol codes.
+ac_symcode='[BCDEGRSTU]'
+
+# Regexp to match symbols that can be accessed directly from C.
+ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Transform the above into a raw symbol and a C symbol.
+ac_symxfrm='\1 \1'
+
+# Define system-specific variables.
+case "$host_os" in
+aix*)
+  ac_symcode='[BCDTU]'
+  ;;
+sunos* | cygwin32* | mingw32*)
+  ac_sympat='_\([_A-Za-z][_A-Za-z0-9]*\)'
+  ac_symxfrm='_\1 \1'
+  ;;
+irix*)
+  # Cannot use undefined symbols on IRIX because inlined functions mess us up.
+  ac_symcode='[BCDEGRST]'
+  ;;
+solaris*)
+  ac_symcode='[BDTU]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
+  ac_symcode='[ABCDGISTUW]'
+fi
 
-        if test "$CATOBJEXT" = "NONE"; then
-	  dnl Neither gettext nor catgets in included in the C library.
-	  dnl Fall back on GNU gettext library.
-	  nls_cv_use_gnu_gettext=yes
+case "$host_os" in
+cygwin32* | mingw32*)
+  # We do not want undefined symbols on cygwin32.  The user must
+  # arrange to define them via -l arguments.
+  ac_symcode='[ABCDGISTW]'
+  ;;
+esac
+changequote([,])dnl
+
+# Write the raw and C identifiers.
+ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.* $ac_symcode $ac_sympat$/$ac_symxfrm/p'"
+
+# Check to see that the pipe works correctly.
+ac_pipe_works=no
+cat > conftest.$ac_ext <<EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func;return 0;}
+EOF
+if AC_TRY_EVAL(ac_compile); then
+  # Now try to grab the symbols.
+  ac_nlist=conftest.nm
+  if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
+
+    # Try sorting and uniquifying the output.
+    if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
+      mv -f "$ac_nlist"T "$ac_nlist"
+      ac_wcout=`wc "$ac_nlist" 2>/dev/null`
+changequote(,)dnl
+      ac_count=`echo "X$ac_wcout" | sed -e 's,^X,,' -e 's/^[ 	]*\([0-9][0-9]*\).*$/\1/'`
+changequote([,])dnl
+      (test "$ac_count" -ge 0) 2>/dev/null || ac_count=-1
+    else
+      rm -f "$ac_nlist"T
+      ac_count=-1
+    fi
+
+    # Make sure that we snagged all the symbols we need.
+    if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
+      if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
+	cat <<EOF > conftest.c
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EOF
+        # Now generate the symbol file.
+        sed 's/^.* \(.*\)$/extern char \1;/' < "$ac_nlist" >> conftest.c
+
+	cat <<EOF >> conftest.c
+#if defined (__STDC__) && __STDC__
+# define __ptr_t void *
+#else
+# define __ptr_t char *
+#endif
+
+/* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */
+int dld_preloaded_symbol_count = $ac_count;
+
+/* The mapping between symbol names and symbols. */
+struct {
+  char *name;
+  __ptr_t address;
+}
+changequote(,)dnl
+dld_preloaded_symbols[] =
+changequote([,])dnl
+{
+EOF
+        sed 's/^\(.*\) \(.*\)$/  {"\1", (__ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
+        cat <<\EOF >> conftest.c
+  {0, (__ptr_t) 0}
+};
+
+#ifdef __cplusplus
+}
+#endif
+EOF
+        # Now try linking the two files.
+        mv conftest.$ac_objext conftestm.$ac_objext
+	ac_save_LIBS="$LIBS"
+	ac_save_CFLAGS="$CFLAGS"
+        LIBS="conftestm.$ac_objext"
+	CFLAGS="$CFLAGS$no_builtin_flag"
+        if AC_TRY_EVAL(ac_link) && test -s conftest; then
+          ac_pipe_works=yes
+        else
+          echo "configure: failed program was:" >&AC_FD_CC
+          cat conftest.c >&AC_FD_CC
         fi
+        LIBS="$ac_save_LIBS"
+	CFLAGS="$ac_save_CFLAGS"
+      else
+        echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
       fi
+    else
+      echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
+    fi
+  else
+    echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
+  fi
+else
+  echo "$progname: failed program was:" >&AC_FD_CC
+  cat conftest.c >&AC_FD_CC
+fi
+rm -rf conftest*
 
-      if test "$nls_cv_use_gnu_gettext" != "yes"; then
-        AC_DEFINE(ENABLE_NLS)
-#      else
-#        dnl Mark actions used to generate GNU NLS library.
-#        INTLOBJS="\$(GETTOBJS)"
-#        AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-#	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
-#        AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-#        AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-#	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
-#        AC_SUBST(MSGFMT)
-#	USE_INCLUDED_LIBINTL=yes
-#        CATOBJEXT=.gmo
-#        INSTOBJEXT=.mo
-#        DATADIRNAME=share
-#	INTLDEPS='$(top_builddir)/intl/libintl.a'
-#	INTLLIBS=$INTLDEPS
-#	LIBS=`echo $LIBS | sed -e 's/-lintl//'`
-#        nls_cv_header_intl=intl/libintl.h
-#        nls_cv_header_libgt=intl/libgettext.h
-      fi
+# Do not use the global_symbol_pipe unless it works.
+test "$ac_pipe_works" = yes || ac_cv_sys_global_symbol_pipe=
+])
 
-      dnl Test whether we really found GNU xgettext.
-      if test "$XGETTEXT" != ":"; then
-	dnl If it is no GNU xgettext we define it as : so that the
-	dnl Makefiles still can work.
-	if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
-	  : ;
-	else
-	  AC_MSG_RESULT(
-	    [found xgettext program is not GNU xgettext; ignore it])
-	  XGETTEXT=":"
-	fi
-      fi
+ac_result=yes
+if test -z "$ac_cv_sys_global_symbol_pipe"; then
+   ac_result=no
+fi
+AC_MSG_RESULT($ac_result)
+])
 
-      # We need to process the po/ directory.
-      POSUB=po
+# AM_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32
+AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32,
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+AC_CHECK_TOOL(AS, as, false)
+])
+
+# AM_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols
+#                            with an underscore?
+AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE,
+[AC_REQUIRE([AM_PROG_NM])dnl
+AC_REQUIRE([AM_SYS_NM_PARSE])dnl
+AC_MSG_CHECKING([for _ prefix in compiled symbols])
+AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
+[ac_cv_sys_symbol_underscore=no
+cat > conftest.$ac_ext <<EOF
+void nm_test_func(){}
+int main(){nm_test_func;return 0;}
+EOF
+if AC_TRY_EVAL(ac_compile); then
+  # Now try to grab the symbols.
+  ac_nlist=conftest.nm
+  if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
+    # See whether the symbols have a leading underscore.
+    if egrep '^_nm_test_func' "$ac_nlist" >/dev/null; then
+      ac_cv_sys_symbol_underscore=yes
     else
-      DATADIRNAME=share
-      nls_cv_header_intl=intl/libintl.h
-      nls_cv_header_libgt=intl/libgettext.h
+      if egrep '^nm_test_func ' "$ac_nlist" >/dev/null; then
+        :
+      else
+        echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
+      fi
     fi
-    AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
-    AC_OUTPUT_COMMANDS(
-     [case "$CONFIG_FILES" in *po/Makefile.in*)
-        sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
-      esac])
-
-
-#    # If this is used in GNU gettext we have to set USE_NLS to `yes'
-#    # because some of the sources are only built for this goal.
-#    if test "$PACKAGE" = gettext; then
-#      USE_NLS=yes
-#      USE_INCLUDED_LIBINTL=yes
-#    fi
-
-    dnl These rules are solely for the distribution goal.  While doing this
-    dnl we only have to keep exactly one list of the available catalogs
-    dnl in configure.in.
-    for lang in $ALL_LINGUAS; do
-      GMOFILES="$GMOFILES $lang.gmo"
-      POFILES="$POFILES $lang.po"
-    done
-
-    dnl Make all variables we use known to autoconf.
-    AC_SUBST(USE_INCLUDED_LIBINTL)
-    AC_SUBST(CATALOGS)
-    AC_SUBST(CATOBJEXT)
-    AC_SUBST(DATADIRNAME)
-    AC_SUBST(GMOFILES)
-    AC_SUBST(INSTOBJEXT)
-    AC_SUBST(INTLDEPS)
-    AC_SUBST(INTLLIBS)
-    AC_SUBST(INTLOBJS)
-    AC_SUBST(POFILES)
-    AC_SUBST(POSUB)
-  ])
-
-AC_DEFUN(AM_GTK_GNU_GETTEXT,
-  [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
-   AC_REQUIRE([AC_PROG_CC])dnl
-   AC_REQUIRE([AC_PROG_RANLIB])dnl
-   AC_REQUIRE([AC_ISC_POSIX])dnl
-   AC_REQUIRE([AC_HEADER_STDC])dnl
-   AC_REQUIRE([AC_C_CONST])dnl
-   AC_REQUIRE([AC_C_INLINE])dnl
-   AC_REQUIRE([AC_TYPE_OFF_T])dnl
-   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
-   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
-   AC_REQUIRE([AC_FUNC_MMAP])dnl
-
-   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
-unistd.h sys/param.h])
-   AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
-strdup __argz_count __argz_stringify __argz_next])
-
-   if test "${ac_cv_func_stpcpy+set}" != "set"; then
-     AC_CHECK_FUNCS(stpcpy)
-   fi
-   if test "${ac_cv_func_stpcpy}" = "yes"; then
-     AC_DEFINE(HAVE_STPCPY)
-   fi
-
-   AM_LC_MESSAGES
-   AM_GTK_WITH_NLS
-
-   if test "x$CATOBJEXT" != "x"; then
-     if test "x$ALL_LINGUAS" = "x"; then
-       LINGUAS=
-     else
-       AC_MSG_CHECKING(for catalogs to be installed)
-       NEW_LINGUAS=
-       for lang in ${LINGUAS=$ALL_LINGUAS}; do
-         case "$ALL_LINGUAS" in
-          *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
-         esac
-       done
-       LINGUAS=$NEW_LINGUAS
-       AC_MSG_RESULT($LINGUAS)
-     fi
-
-     dnl Construct list of names of catalog files to be constructed.
-     if test -n "$LINGUAS"; then
-       for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
-     fi
-   fi
-
-   dnl The reference to <locale.h> in the installed <libintl.h> file
-   dnl must be resolved because we cannot expect the users of this
-   dnl to define HAVE_LOCALE_H.
-   if test $ac_cv_header_locale_h = yes; then
-     INCLUDE_LOCALE_H="#include <locale.h>"
-   else
-     INCLUDE_LOCALE_H="\
-/* The system does not provide the header <locale.h>.  Take care yourself.  */"
-   fi
-   AC_SUBST(INCLUDE_LOCALE_H)
-
-   dnl Determine which catalog format we have (if any is needed)
-   dnl For now we know about two different formats:
-   dnl   Linux libc-5 and the normal X/Open format
-   test -d intl || mkdir intl
-   if test "$CATOBJEXT" = ".cat"; then
-     AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
-
-     dnl Transform the SED scripts while copying because some dumb SEDs
-     dnl cannot handle comments.
-     sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
-   fi
-   dnl po2tbl.sed is always needed.
-   sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
-     $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
-
-   dnl In the intl/Makefile.in we have a special dependency which makes
-   dnl only sense for gettext.  We comment this out for non-gettext
-   dnl packages.
-   if test "$PACKAGE" = "gettext"; then
-     GT_NO="#NO#"
-     GT_YES=
-   else
-     GT_NO=
-     GT_YES="#YES#"
-   fi
-   AC_SUBST(GT_NO)
-   AC_SUBST(GT_YES)
-
-   dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
-   dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
-   dnl Try to locate is.
-   MKINSTALLDIRS=
-   if test -n "$ac_aux_dir"; then
-     MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
-   fi
-   if test -z "$MKINSTALLDIRS"; then
-     MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
-   fi
-   AC_SUBST(MKINSTALLDIRS)
-
-   dnl *** For now the libtool support in intl/Makefile is not for real.
-   l=
-   AC_SUBST(l)
-
-   dnl Generate list of files to be processed by xgettext which will
-   dnl be included in po/Makefile.
-   test -d po || mkdir po
-   if test "x$srcdir" != "x."; then
-     if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
-       posrcprefix="$srcdir/"
-     else
-       posrcprefix="../$srcdir/"
-     fi
-   else
-     posrcprefix="../"
-   fi
-   rm -f po/POTFILES
-   sed -e "/^#/d" -e "/^\$/d" -e "s,.*,	$posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
-	< $srcdir/po/POTFILES.in > po/POTFILES
-  ])
-
+  else
+    echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
+  fi
+else
+  echo "configure: failed program was:" >&AC_FD_CC
+  cat conftest.c >&AC_FD_CC
+fi
+rm -rf conftest*
+])
+AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
+if test x$ac_cv_sys_symbol_underscore = xyes; then
+  AC_DEFINE(WITH_SYMBOL_UNDERSCORE,1,
+  [define if compiled symbols have a leading underscore])
+fi
+])