1 # Macro to add for using GNU gettext.
2 # Ulrich Drepper <drepper@cygnus.com>, 1995, 1996
4 # Modified to never use included libintl.
5 # Owen Taylor <otaylor@redhat.com>, 12/15/1998
8 # This file can be copied and used freely without restrictions. It can
9 # be used in projects which are not available under the GNU Public License
10 # but which still want to provide support for the GNU gettext functionality.
11 # Please note that the actual code is *not* freely available.
14 # If you make changes to this file, you MUST update the copy in
15 # acinclude.m4. [ aclocal dies on duplicate macros, so if
16 # we run 'aclocal -I macros/' then we'll run into problems
17 # once we've installed glib-gettext.m4 :-( ]
20 AC_DEFUN([AM_GLIB_LC_MESSAGES],
21 [if test $ac_cv_header_locale_h = yes; then
22 AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
23 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
24 am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
25 if test $am_cv_val_LC_MESSAGES = yes; then
26 AC_DEFINE(HAVE_LC_MESSAGES, 1,
27 [Define if your <locale.h> file defines LC_MESSAGES.])
31 dnl AM_GLIB_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
32 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
33 AC_DEFUN([AM_GLIB_PATH_PROG_WITH_TEST],
34 [# Extract the first word of "$2", so it can be a program name with args.
35 set dummy $2; ac_word=[$]2
36 AC_MSG_CHECKING([for $ac_word])
37 AC_CACHE_VAL(ac_cv_path_$1,
40 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
43 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
44 for ac_dir in ifelse([$5], , $PATH, [$5]); do
45 test -z "$ac_dir" && ac_dir=.
46 if test -f $ac_dir/$ac_word; then
48 ac_cv_path_$1="$ac_dir/$ac_word"
54 dnl If no 4th arg is given, leave the cache variable unset,
55 dnl so AC_PATH_PROGS will keep looking.
56 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
61 if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
71 AC_DEFUN(AM_GLIB_WITH_NLS,
76 dnl Figure out what method
77 nls_cv_force_use_gnu_gettext="no"
79 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
80 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
81 dnl User does not insist on using GNU NLS library. Figure out what
82 dnl to use. If gettext or catgets are available (in this order) we
83 dnl use this. Else we have to fall back to GNU NLS library.
84 dnl catgets is only used if permitted by option --with-catgets.
90 AC_CHECK_HEADER(libintl.h,
91 [AC_CACHE_CHECK([for dgettext in libc], gt_cv_func_dgettext_libc,
92 [AC_TRY_LINK([#include <libintl.h>], [return (int) dgettext ("","")],
93 gt_cv_func_dgettext_libc=yes, gt_cv_func_dgettext_libc=no)])
95 gt_cv_func_dgettext_libintl="no"
98 if test "$gt_cv_func_dgettext_libc" != "yes" ; then
99 AC_CHECK_LIB(intl, bindtextdomain,
100 [AC_CHECK_LIB(intl, dgettext,
101 gt_cv_func_dgettext_libintl=yes)])
103 if test "$gt_cv_func_dgettext_libc" != "yes" ; then
104 AC_MSG_CHECKING([if -liconv is needed to use gettext])
106 AC_CHECK_LIB(intl, dcgettext,
107 [gt_cv_func_dgettext_libintl=yes
108 libintl_extra_libs=-liconv],
113 if test "$gt_cv_func_dgettext_libintl" = "yes"; then
114 LIBS="$LIBS -lintl $libintl_extra_libs";
117 if test "$gt_cv_func_dgettext_libc" = "yes" \
118 || test "$gt_cv_func_dgettext_libintl" = "yes"; then
119 AC_DEFINE(HAVE_GETTEXT,1,
120 [Define if the GNU gettext() function is already present or preinstalled.])
121 AM_GLIB_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
122 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
123 if test "$MSGFMT" != "no"; then
124 AC_CHECK_FUNCS(dcgettext)
125 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
126 AM_GLIB_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
127 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
128 AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
129 return _nl_msg_cat_cntr],
138 # Added by Martin Baulig 12/15/98 for libc5 systems
139 if test "$gt_cv_func_dgettext_libc" != "yes" \
140 && test "$gt_cv_func_dgettext_libintl" = "yes"; then
141 INTLLIBS="-lintl $libintl_extra_libs"
142 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
146 if test "$CATOBJEXT" = "NONE"; then
147 dnl Neither gettext nor catgets in included in the C library.
148 dnl Fall back on GNU gettext library.
149 nls_cv_use_gnu_gettext=yes
153 if test "$nls_cv_use_gnu_gettext" != "yes"; then
154 AC_DEFINE(ENABLE_NLS, 1,
155 [always defined to indicate that i18n is enabled])
157 dnl Unset this variable since we use the non-zero value as a flag.
161 dnl Test whether we really found GNU xgettext.
162 if test "$XGETTEXT" != ":"; then
163 dnl If it is no GNU xgettext we define it as : so that the
164 dnl Makefiles still can work.
165 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
169 [found xgettext program is not GNU xgettext; ignore it])
174 # We need to process the po/ directory.
178 [case "$CONFIG_FILES" in *po/Makefile.in*)
179 sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
182 dnl These rules are solely for the distribution goal. While doing this
183 dnl we only have to keep exactly one list of the available catalogs
185 for lang in $ALL_LINGUAS; do
186 GMOFILES="$GMOFILES $lang.gmo"
187 POFILES="$POFILES $lang.po"
190 dnl Make all variables we use known to autoconf.
193 AC_SUBST(DATADIRNAME)
203 AC_DEFUN(AM_GLIB_GNU_GETTEXT,
204 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
205 AC_REQUIRE([AC_PROG_CC])dnl
206 AC_REQUIRE([AC_PROG_RANLIB])dnl
207 AC_REQUIRE([AC_HEADER_STDC])dnl
208 AC_REQUIRE([AC_C_CONST])dnl
209 AC_REQUIRE([AC_C_INLINE])dnl
210 AC_REQUIRE([AC_TYPE_OFF_T])dnl
211 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
212 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
213 AC_REQUIRE([AC_FUNC_MMAP])dnl
215 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
216 unistd.h sys/param.h])
217 AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
218 strdup __argz_count __argz_stringify __argz_next])
223 if test "x$CATOBJEXT" != "x"; then
224 if test "x$ALL_LINGUAS" = "x"; then
227 AC_MSG_CHECKING(for catalogs to be installed)
229 for lang in ${LINGUAS=$ALL_LINGUAS}; do
230 case "$ALL_LINGUAS" in
231 *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
235 AC_MSG_RESULT($LINGUAS)
238 dnl Construct list of names of catalog files to be constructed.
239 if test -n "$LINGUAS"; then
240 for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
244 dnl Determine which catalog format we have (if any is needed)
245 dnl For now we know about two different formats:
246 dnl Linux libc-5 and the normal X/Open format
247 test -d po || mkdir po
248 if test "$CATOBJEXT" = ".cat"; then
249 AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
251 dnl Transform the SED scripts while copying because some dumb SEDs
252 dnl cannot handle comments.
253 sed -e '/^#/d' $srcdir/po/$msgformat-msg.sed > po/po2msg.sed
256 dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
257 dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
258 dnl Try to locate is.
260 if test -n "$ac_aux_dir"; then
261 MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
263 if test -z "$MKINSTALLDIRS"; then
264 MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
266 AC_SUBST(MKINSTALLDIRS)
268 dnl Generate list of files to be processed by xgettext which will
269 dnl be included in po/Makefile.
270 test -d po || mkdir po
271 if test "x$srcdir" != "x."; then
272 if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
273 posrcprefix="$srcdir/"
275 posrcprefix="../$srcdir/"
281 sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
282 < $srcdir/po/POTFILES.in > po/POTFILES
286 dnl @synopsis AC_FUNC_VSNPRINTF_C99
288 dnl Check whether there is a vsnprintf() function with C99 semantics installed.
290 AC_DEFUN([AC_FUNC_VSNPRINTF_C99],
291 [AC_CACHE_CHECK(for C99 vsnprintf,
292 ac_cv_func_vsnprintf_c99,
305 r = vsnprintf(buffer, 5, s, args);
319 }], ac_cv_func_vsnprintf_c99=yes, ac_cv_func_vsnprintf_c99=no, ac_cv_func_vsnprintf_c99=no)])
320 dnl Note that the default is to be pessimistic in the case of cross compilation.
321 dnl If you know that the target has a C99 vsnprintf(), you can get around this
322 dnl by setting ac_func_vsnprintf_c99 to yes, as described in the Autoconf manual.
323 if test $ac_cv_func_vsnprintf_c99 = yes; then
324 AC_DEFINE(HAVE_C99_VSNPRINTF, 1,
325 [Define if you have a version of the vsnprintf function
326 with semantics as specified by the ISO C99 standard.])
328 ])# AC_FUNC_VSNPRINTF_C99