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Diffstat (limited to 'm4/gettext.m4')
| -rw-r--r-- | m4/gettext.m4 | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/m4/gettext.m4 b/m4/gettext.m4 new file mode 100644 index 0000000..e4d524c --- /dev/null +++ b/m4/gettext.m4 @@ -0,0 +1,370 @@ +# Macro to add for using GNU gettext. +# 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 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 10 + +dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]). +dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library +dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, +dnl depending on --{enable,disable}-{shared,static} and on the presence of +dnl AM-DISABLE-SHARED). Otherwise, a static library +dnl $(top_builddir)/intl/libintl.a will be created. +dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext +dnl implementations (in libc or libintl) without the ngettext() function +dnl will be ignored. +dnl LIBDIR is used to find the intl libraries. If empty, +dnl the value `$(top_builddir)/intl/' is used. +dnl +dnl The result of the configuration is one of three cases: +dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled +dnl and used. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 2) GNU gettext has been found in the system's C library. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 3) No internationalization, always use English msgid. +dnl Catalog format: none +dnl Catalog extension: none +dnl The use of .gmo is historical (it was needed to avoid overwriting the +dnl GNU format catalogs when building on a platform with an X/Open gettext), +dnl but we keep it in order not to force irrelevant filename changes on the +dnl maintainers. +dnl +AC_DEFUN([AM_WITH_NLS], + [AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + AC_ARG_ENABLE(nls, + [ --disable-nls do not use Native Language Support], + USE_NLS=$enableval, USE_NLS=yes) + AC_MSG_RESULT($USE_NLS) + AC_SUBST(USE_NLS) + + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + INTLLIBS= + + dnl If we use NLS figure out what method + if test "$USE_NLS" = "yes"; then + AC_DEFINE(ENABLE_NLS, 1, + [Define to 1 if translation of program messages to the user's native language + is requested.]) + 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_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 GNU gettext is available we use this. Else we have + dnl to fall back to GNU NLS library. + CATOBJEXT=NONE + + dnl Add a version number to the cache macros. + define(gt_cv_func_gnugettext_libc, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libc]) + define(gt_cv_func_gnugettext_libintl, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libintl]) + + AC_CHECK_HEADER(libintl.h, + [AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc, + [AC_TRY_LINK([#include <libintl.h> +extern int _nl_msg_cat_cntr;], + [bindtextdomain ("", ""); +return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], + gt_cv_func_gnugettext_libc=yes, + gt_cv_func_gnugettext_libc=no)]) + + if test "$gt_cv_func_gnugettext_libc" != "yes"; then + AC_CACHE_CHECK([for GNU gettext in libintl], + gt_cv_func_gnugettext_libintl, + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -lintl $LIBICONV" + AC_TRY_LINK([#include <libintl.h> +extern int _nl_msg_cat_cntr;], + [bindtextdomain ("", ""); +return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], + gt_cv_func_gnugettext_libintl=yes, + gt_cv_func_gnugettext_libintl=no) + LIBS="$gt_save_LIBS"]) + fi + + dnl If an already present or preinstalled GNU gettext() is found, + dnl use it. But if this macro is used in GNU gettext, and GNU + dnl gettext is already preinstalled in libintl, we update this + dnl libintl. (Cf. the install rule in intl/Makefile.in.) + if test "$gt_cv_func_gnugettext_libc" = "yes" \ + || { test "$gt_cv_func_gnugettext_libintl" = "yes" \ + && test "$PACKAGE" != gettext; }; then + AC_DEFINE(HAVE_GETTEXT, 1, + [Define if the GNU gettext() function is already present or preinstalled.]) + + if test "$gt_cv_func_gnugettext_libintl" = "yes"; then + dnl If iconv() is in a separate libiconv library, then anyone + dnl linking with libintl{.a,.so} also needs to link with + dnl libiconv. + INTLLIBS="-lintl $LIBICONV" + fi + + gt_save_LIBS="$LIBS" + LIBS="$LIBS $INTLLIBS" + AC_CHECK_FUNCS(dcgettext) + LIBS="$gt_save_LIBS" + + dnl Search for GNU msgfmt in the PATH. + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :) + AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + + dnl Search for GNU xgettext in the PATH. + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :) + + CATOBJEXT=.gmo + fi + ]) + + if test "$CATOBJEXT" = "NONE"; then + dnl GNU gettext is not found in the C library. + dnl Fall back on GNU gettext library. + nls_cv_use_gnu_gettext=yes + fi + fi + + if test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions used to generate GNU NLS library. + INTLOBJS="\$(GETTOBJS)" + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :) + AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :) + AC_SUBST(MSGFMT) + BUILD_INCLUDED_LIBINTL=yes + USE_INCLUDED_LIBINTL=yes + CATOBJEXT=.gmo + INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV" + 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 >/dev/null 2>&1; then + : ; + else + AC_MSG_RESULT( + [found xgettext program is not GNU xgettext; ignore it]) + XGETTEXT=":" + fi + fi + + dnl We need to process the po/ directory. + POSUB=po + fi + AC_OUTPUT_COMMANDS( + [for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + 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 $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + fi + ;; + esac + done]) + + + dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL + dnl to 'yes' because some of the testsuite requires it. + if test "$PACKAGE" = gettext; then + BUILD_INCLUDED_LIBINTL=yes + fi + + dnl intl/plural.c is generated from intl/plural.y. It requires bison, + dnl because plural.y uses bison specific features. It requires at least + dnl bison-1.26 because earlier versions generate a plural.c that doesn't + dnl compile. + dnl bison is only needed for the maintainer (who touches plural.y). But in + dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put + dnl the rule in general Makefile. Now, some people carelessly touch the + dnl files or have a broken "make" program, hence the plural.c rule will + dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not + dnl present or too old. + AC_CHECK_PROGS([INTLBISON], [bison]) + if test -z "$INTLBISON"; then + ac_verc_fail=yes + else + dnl Found it, now check the version. + AC_MSG_CHECKING([version of bison]) +changequote(<<,>>)dnl + ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) +changequote([,])dnl + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; + esac + AC_MSG_RESULT([$ac_prog_version]) + fi + if test $ac_verc_fail = yes; then + INTLBISON=: + 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(BUILD_INCLUDED_LIBINTL) + AC_SUBST(USE_INCLUDED_LIBINTL) + AC_SUBST(CATALOGS) + AC_SUBST(CATOBJEXT) + AC_SUBST(GMOFILES) + AC_SUBST(INTLLIBS) + AC_SUBST(INTLOBJS) + AC_SUBST(POFILES) + AC_SUBST(POSUB) + + dnl For backward compatibility. Some configure.ins may be using this. + nls_cv_header_intl= + nls_cv_header_libgt= + + dnl For backward compatibility. Some Makefiles may be using this. + DATADIRNAME=share + AC_SUBST(DATADIRNAME) + + dnl For backward compatibility. Some Makefiles may be using this. + INSTOBJEXT=.mo + AC_SUBST(INSTOBJEXT) + + dnl For backward compatibility. Some Makefiles may be using this. + GENCAT=gencat + AC_SUBST(GENCAT) + ]) + +dnl Usage: Just like AM_WITH_NLS, which see. +AC_DEFUN([AM_GNU_GETTEXT], + [AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_PROG_CC])dnl + AC_REQUIRE([AC_CANONICAL_HOST])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_REQUIRE([jm_GLIBC21])dnl + + AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \ +stdlib.h string.h unistd.h sys/param.h]) + AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \ +getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \ +strdup strtoul tsearch __argz_count __argz_stringify __argz_next]) + + AM_ICONV + AM_LANGINFO_CODESET + AM_LC_MESSAGES + AM_WITH_NLS([$1],[$2],[$3]) + + if test "x$CATOBJEXT" != "x"; then + if test "x$ALL_LINGUAS" = "x"; then + LINGUAS= + else + AC_MSG_CHECKING(for catalogs to be installed) + NEW_LINGUAS= + for presentlang in $ALL_LINGUAS; do + useit=no + for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + NEW_LINGUAS="$NEW_LINGUAS $presentlang" + fi + done + LINGUAS=$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 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 Enable libtool support if the surrounding package wishes it. + INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], []) + AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) + ]) |