1 # Macro to add for using GNU gettext.
2 # Ulrich Drepper <drepper@cygnus.com>, 1995.
4 # This file can be copied and used freely without restrictions. It can
5 # be used in projects which are not available under the GNU Public License
6 # but which still want to provide support for the GNU gettext functionality.
7 # Please note that the actual code is *not* freely available.
11 AC_PREREQ(2.13) dnl Minimum Autoconf version required.
14 [AC_MSG_CHECKING([whether NLS is requested])
15 dnl Default is enabled NLS
17 [ --disable-nls do not use Native Language Support],
18 USE_NLS=$enableval, USE_NLS=yes)
19 AC_MSG_RESULT($USE_NLS)
22 USE_INCLUDED_LIBINTL=no
24 dnl If we use NLS figure out what method
25 if test "$USE_NLS" = "yes"; then
26 AC_DEFINE(ENABLE_NLS, 1, [Define to 1 if NLS is requested.])
27 AC_MSG_CHECKING([whether included gettext is requested])
28 AC_ARG_WITH(included-gettext,
29 [ --with-included-gettext use the GNU gettext library included here],
30 nls_cv_force_use_gnu_gettext=$withval,
31 nls_cv_force_use_gnu_gettext=no)
32 AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
34 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
35 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
36 dnl User does not insist on using GNU NLS library. Figure out what
37 dnl to use. If gettext or catgets are available (in this order) we
38 dnl use this. Else we have to fall back to GNU NLS library.
39 dnl catgets is only used if permitted by option --with-catgets.
44 AC_CHECK_HEADER(libintl.h,
45 [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
46 [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
47 gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
49 if test "$gt_cv_func_gettext_libc" != "yes"; then
50 AC_CHECK_LIB(intl, bindtextdomain,
51 [AC_CHECK_LIB(intl, gettext)])
54 if test "$gt_cv_func_gettext_libc" = "yes" \
55 || test "$ac_cv_lib_intl_gettext" = "yes"; then
56 AC_DEFINE(HAVE_GETTEXT, 1,
57 [Define to 1 if you have gettext and don't want to use GNU gettext.])
58 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
59 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
60 if test "$MSGFMT" != "no"; then
61 AC_CHECK_FUNCS(dcgettext)
62 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
63 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
64 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
65 AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
66 return _nl_msg_cat_cntr],
76 if test "$CATOBJEXT" = "NONE"; then
77 AC_MSG_CHECKING([whether catgets can be used])
79 [ --with-catgets use catgets functions if available],
80 nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
81 AC_MSG_RESULT($nls_cv_use_catgets)
83 if test "$nls_cv_use_catgets" = "yes"; then
84 dnl No gettext in C library. Try catgets next.
86 AC_CHECK_FUNC(catgets,
87 [AC_DEFINE(HAVE_CATGETS, 1,
88 [Define as 1 if you have catgets and don't want to use GNU gettext.])
89 INTLOBJS="\$(CATOBJS)"
90 AC_PATH_PROG(GENCAT, gencat, no)dnl
91 if test "$GENCAT" != "no"; then
92 AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
93 if test "$GMSGFMT" = "no"; then
94 AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
95 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
97 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
98 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
99 USE_INCLUDED_LIBINTL=yes
103 INTLDEPS='$(top_builddir)/intl/libintl.a'
105 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
106 nls_cv_header_intl=intl/libintl.h
107 nls_cv_header_libgt=intl/libgettext.h
112 if test "$CATOBJEXT" = "NONE"; then
113 dnl Neither gettext nor catgets in included in the C library.
114 dnl Fall back on GNU gettext library.
115 nls_cv_use_gnu_gettext=yes
119 if test "$nls_cv_use_gnu_gettext" = "yes"; then
120 dnl Mark actions used to generate GNU NLS library.
121 INTLOBJS="\$(GETTOBJS)"
122 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
123 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
124 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
125 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
126 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
128 USE_INCLUDED_LIBINTL=yes
132 INTLDEPS='$(top_builddir)/intl/libintl.a'
134 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
135 nls_cv_header_intl=intl/libintl.h
136 nls_cv_header_libgt=intl/libgettext.h
139 dnl Test whether we really found GNU xgettext.
140 if test "$XGETTEXT" != ":"; then
141 dnl If it is no GNU xgettext we define it as : so that the
142 dnl Makefiles still can work.
143 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
147 [found xgettext program is not GNU xgettext; ignore it])
152 # We need to process the po/ directory.
156 nls_cv_header_intl=intl/libintl.h
157 nls_cv_header_libgt=intl/libgettext.h
159 if test -z "$nls_cv_header_intl"; then
160 # Clean out junk possibly left behind by a previous configuration.
163 AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
165 [case "$CONFIG_FILES" in *po/Makefile.in*)
166 sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
170 # If this is used in GNU gettext we have to set USE_NLS to `yes'
171 # because some of the sources are only built for this goal.
172 if test "$PACKAGE" = gettext; then
174 USE_INCLUDED_LIBINTL=yes
177 dnl These rules are solely for the distribution goal. While doing this
178 dnl we only have to keep exactly one list of the available catalogs
180 for lang in $ALL_LINGUAS; do
181 GMOFILES="$GMOFILES $lang.gmo"
182 POFILES="$POFILES $lang.po"
185 dnl Make all variables we use known to autoconf.
186 AC_SUBST(USE_INCLUDED_LIBINTL)
189 AC_SUBST(DATADIRNAME)
199 AC_DEFUN(AM_GNU_GETTEXT,
200 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
201 AC_REQUIRE([AC_PROG_CC])dnl
202 AC_REQUIRE([AC_PROG_RANLIB])dnl
203 AC_REQUIRE([AC_ISC_POSIX])dnl
204 AC_REQUIRE([AC_HEADER_STDC])dnl
205 AC_REQUIRE([AC_C_CONST])dnl
206 AC_REQUIRE([AC_C_INLINE])dnl
207 AC_REQUIRE([AC_TYPE_OFF_T])dnl
208 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
209 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
210 AC_REQUIRE([AC_FUNC_MMAP])dnl
212 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
213 unistd.h sys/param.h])
214 AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
215 strdup __argz_count __argz_stringify __argz_next])
217 if test "${ac_cv_func_stpcpy+set}" != "set"; then
218 AC_CHECK_FUNCS(stpcpy)
220 if test "${ac_cv_func_stpcpy}" = "yes"; then
221 AC_DEFINE(HAVE_STPCPY, 1, [Define to 1 if you have the stpcpy function.])
227 if test "x$CATOBJEXT" != "x"; then
228 if test "x$ALL_LINGUAS" = "x"; then
231 AC_MSG_CHECKING(for catalogs to be installed)
233 for lang in ${LINGUAS=$ALL_LINGUAS}; do
234 case "$ALL_LINGUAS" in
235 *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
239 AC_MSG_RESULT($LINGUAS)
242 dnl Construct list of names of catalog files to be constructed.
243 if test -n "$LINGUAS"; then
244 for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
248 dnl The reference to <locale.h> in the installed <libintl.h> file
249 dnl must be resolved because we cannot expect the users of this
250 dnl to define HAVE_LOCALE_H.
251 if test $ac_cv_header_locale_h = yes; then
252 INCLUDE_LOCALE_H="#include <locale.h>"
255 /* The system does not provide the header <locale.h>. Take care yourself. */"
257 AC_SUBST(INCLUDE_LOCALE_H)
259 dnl Determine which catalog format we have (if any is needed)
260 dnl For now we know about two different formats:
261 dnl Linux libc-5 and the normal X/Open format
262 test -d intl || mkdir intl
263 if test "$CATOBJEXT" = ".cat"; then
264 AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
266 dnl Transform the SED scripts while copying because some dumb SEDs
267 dnl cannot handle comments.
268 sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
270 dnl po2tbl.sed is always needed.
271 sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
272 $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
274 dnl In the intl/Makefile.in we have a special dependency which makes
275 dnl only sense for gettext. We comment this out for non-gettext
277 if test "$PACKAGE" = "gettext"; then
287 dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
288 dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
289 dnl Try to locate is.
291 if test -n "$ac_aux_dir"; then
292 MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
294 if test -z "$MKINSTALLDIRS"; then
295 MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
297 AC_SUBST(MKINSTALLDIRS)
299 dnl *** For now the libtool support in intl/Makefile is not for real.
303 dnl Generate list of files to be processed by xgettext which will
304 dnl be included in po/Makefile.
305 test -d po || mkdir po
311 posrcprefix="$srcdir/" ;;
313 posrcprefix="../$srcdir/" ;;
317 sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
318 < $srcdir/po/POTFILES.in > po/POTFILES