* data/bison.c++: Fix m4 quoting in comments.

[bison.git] / m4 / gettext.m4

diff --git a/m4/gettext.m4 b/m4/gettext.m4
index 57c674c879fab7a0489f54304f5f6adc1e152407..e4d524cf0fd32c36746565b3e38ef2b0428a8356 100644 (file)
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -2,11 +2,15 @@
 # Ulrich Drepper <drepper@cygnus.com>, 1995.
 #
 # 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.
+# be used in projects which are not available under the GNU General Public
+# License or the GNU Library General Public License but which still want
+# to provide support for the GNU gettext functionality.
+# Please note that the actual code of the GNU gettext library is covered
+# by the GNU Library General Public License, and the rest of the GNU
+# gettext package package is covered by the GNU General Public License.
+# They are *not* in the public domain.
 
-# serial 9
+# serial 10
 
 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]).
 dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
@@ -117,14 +121,14 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
             AC_CHECK_FUNCS(dcgettext)
             LIBS="$gt_save_LIBS"
 
+            dnl Search for GNU msgfmt in the PATH.
             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_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-            fi
+              [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
+            AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
 
+            dnl Search for GNU xgettext in the PATH.
             AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-              [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+              [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
 
             CATOBJEXT=.gmo
           fi
@@ -141,10 +145,10 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
         dnl Mark actions used to generate GNU NLS library.
         INTLOBJS="\$(GETTOBJS)"
         AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-         [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
+         [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
         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_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
         AC_SUBST(MSGFMT)
        BUILD_INCLUDED_LIBINTL=yes
        USE_INCLUDED_LIBINTL=yes
@@ -153,11 +157,26 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
        LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
       fi
 
+      dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+      dnl Test whether we really found GNU msgfmt.
+      if test "$GMSGFMT" != ":"; then
+       dnl If it is no GNU msgfmt we define it as : so that the
+       dnl Makefiles still can work.
+       if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then
+         : ;
+       else
+         AC_MSG_RESULT(
+           [found msgfmt program is not GNU msgfmt; ignore it])
+         GMSGFMT=":"
+       fi
+      fi
+
+      dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
       dnl Test whether we really found GNU xgettext.
       if test "$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
+       if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then
          : ;
        else
          AC_MSG_RESULT(
@@ -181,6 +200,8 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
           ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
           ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
           ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
+          # In autoconf-2.13 it is called $ac_given_srcdir.
+          # In autoconf-2.50 it is called $srcdir.
           test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
           case "$ac_given_srcdir" in
             .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
@@ -222,7 +243,7 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
       dnl Found it, now check the version.
       AC_MSG_CHECKING([version of bison])
 changequote(<<,>>)dnl
-      ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison .* \([0-9]*\.[0-9.]*\).*$/\1/p'`
+      ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
       case $ac_prog_version in
         '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
         1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)