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.
12 [AC_MSG_CHECKING([whether NLS is requested])
13 dnl Default is enabled NLS
15 [ --disable-nls do not use Native Language Support],
16 USE_NLS=$enableval, USE_NLS=yes)
17 AC_MSG_RESULT($USE_NLS)
20 USE_INCLUDED_LIBINTL=no
22 dnl If we use NLS figure out what method
23 if test "$USE_NLS" = "yes"; then
25 AC_MSG_CHECKING([whether included gettext is requested])
26 AC_ARG_WITH(included-gettext,
27 [ --with-included-gettext use the GNU gettext library included here],
28 nls_cv_force_use_gnu_gettext=$withval,
29 nls_cv_force_use_gnu_gettext=no)
30 AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
32 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
33 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
34 dnl User does not insist on using GNU NLS library. Figure out what
35 dnl to use. If gettext or catgets are available (in this order) we
36 dnl use this. Else we have to fall back to GNU NLS library.
37 dnl catgets is only used if permitted by option --with-catgets.
42 AC_CHECK_HEADER(libintl.h,
43 [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
44 [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
45 gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
47 if test "$gt_cv_func_gettext_libc" != "yes"; then
48 AC_CHECK_LIB(intl, bindtextdomain,
49 [AC_CACHE_CHECK([for gettext in libintl],
50 gt_cv_func_gettext_libintl,
51 [AC_CHECK_LIB(intl, gettext,
52 gt_cv_func_gettext_libintl=yes,
53 gt_cv_func_gettext_libintl=no)],
54 gt_cv_func_gettext_libintl=no)])
56 if test "$gt_cv_func_gettext_libintl" = yes; then
62 if test "$gt_cv_func_gettext_libc" = "yes" \
63 || test "$gt_cv_func_gettext_libintl" = "yes"; then
64 AC_DEFINE(HAVE_GETTEXT)
65 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
66 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
67 if test "$MSGFMT" != "no"; then
68 AC_CHECK_FUNCS(dcgettext)
69 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
70 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
71 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
72 AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
73 return _nl_msg_cat_cntr],
83 if test "$CATOBJEXT" = "NONE"; then
84 AC_MSG_CHECKING([whether catgets can be used])
86 [ --with-catgets use catgets functions if available],
87 nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
88 AC_MSG_RESULT($nls_cv_use_catgets)
90 if test "$nls_cv_use_catgets" = "yes"; then
91 dnl No gettext in C library. Try catgets next.
93 AC_CHECK_FUNC(catgets,
94 [AC_DEFINE(HAVE_CATGETS)
95 INTLOBJS="\$(CATOBJS)"
96 AC_PATH_PROG(GENCAT, gencat, no)dnl
97 if test "$GENCAT" != "no"; then
98 AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
99 if test "$GMSGFMT" = "no"; then
100 AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
101 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
103 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
104 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
105 USE_INCLUDED_LIBINTL=yes
109 INTLDEPS='$(top_builddir)/intl/libintl.a'
111 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
112 nls_cv_header_intl=intl/libintl.h
113 nls_cv_header_libgt=intl/libgettext.h
118 if test "$CATOBJEXT" = "NONE"; then
119 dnl Neither gettext nor catgets in included in the C library.
120 dnl Fall back on GNU gettext library.
121 nls_cv_use_gnu_gettext=yes
125 if test "$nls_cv_use_gnu_gettext" = "yes"; then
126 dnl Mark actions used to generate GNU NLS library.
127 INTLOBJS="\$(GETTOBJS)"
128 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
129 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
130 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
131 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
132 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
134 USE_INCLUDED_LIBINTL=yes
138 INTLDEPS='$(top_builddir)/intl/libintl.a'
140 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
141 nls_cv_header_intl=intl/libintl.h
142 nls_cv_header_libgt=intl/libgettext.h
145 dnl Test whether we really found GNU xgettext.
146 if test "$XGETTEXT" != ":"; then
147 dnl If it is no GNU xgettext we define it as : so that the
148 dnl Makefiles still can work.
149 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
153 [found xgettext program is not GNU xgettext; ignore it])
158 # We need to process the po/ directory.
162 nls_cv_header_intl=intl/libintl.h
163 nls_cv_header_libgt=intl/libgettext.h
165 if test -z "$nsl_cv_header_intl"; then
166 # Clean out junk possibly left behind by a previous configuration.
169 AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
171 [case "$CONFIG_FILES" in *po/Makefile.in*)
172 sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
176 # If this is used in GNU gettext we have to set USE_NLS to `yes'
177 # because some of the sources are only built for this goal.
178 if test "$PACKAGE" = gettext; then
180 USE_INCLUDED_LIBINTL=yes
183 dnl These rules are solely for the distribution goal. While doing this
184 dnl we only have to keep exactly one list of the available catalogs
186 for lang in $ALL_LINGUAS; do
187 GMOFILES="$GMOFILES $lang.gmo"
188 POFILES="$POFILES $lang.po"
191 dnl Make all variables we use known to autoconf.
192 AC_SUBST(USE_INCLUDED_LIBINTL)
195 AC_SUBST(DATADIRNAME)
205 AC_DEFUN(AM_GNU_GETTEXT,
206 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
207 AC_REQUIRE([AC_PROG_CC])dnl
208 AC_REQUIRE([AC_PROG_RANLIB])dnl
209 AC_REQUIRE([AC_ISC_POSIX])dnl
210 AC_REQUIRE([AC_HEADER_STDC])dnl
211 AC_REQUIRE([AC_C_CONST])dnl
212 AC_REQUIRE([AC_C_INLINE])dnl
213 AC_REQUIRE([AC_TYPE_OFF_T])dnl
214 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
215 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
216 AC_REQUIRE([AC_FUNC_MMAP])dnl
218 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
219 unistd.h sys/param.h])
220 AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
221 strdup __argz_count __argz_stringify __argz_next])
223 if test "${ac_cv_func_stpcpy+set}" != "set"; then
224 AC_CHECK_FUNCS(stpcpy)
226 if test "${ac_cv_func_stpcpy}" = "yes"; then
227 AC_DEFINE(HAVE_STPCPY)
233 if test "x$CATOBJEXT" != "x"; then
234 if test "x$ALL_LINGUAS" = "x"; then
237 AC_MSG_CHECKING(for catalogs to be installed)
239 for lang in ${LINGUAS=$ALL_LINGUAS}; do
240 case "$ALL_LINGUAS" in
241 *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
245 AC_MSG_RESULT($LINGUAS)
248 dnl Construct list of names of catalog files to be constructed.
249 if test -n "$LINGUAS"; then
250 for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
254 dnl The reference to <locale.h> in the installed <libintl.h> file
255 dnl must be resolved because we cannot expect the users of this
256 dnl to define HAVE_LOCALE_H.
257 if test $ac_cv_header_locale_h = yes; then
258 INCLUDE_LOCALE_H="#include <locale.h>"
261 /* The system does not provide the header <locale.h>. Take care yourself. */"
263 AC_SUBST(INCLUDE_LOCALE_H)
265 dnl Determine which catalog format we have (if any is needed)
266 dnl For now we know about two different formats:
267 dnl Linux libc-5 and the normal X/Open format
268 test -d intl || mkdir intl
269 if test "$CATOBJEXT" = ".cat"; then
270 AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
272 dnl Transform the SED scripts while copying because some dumb SEDs
273 dnl cannot handle comments.
274 sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
276 dnl po2tbl.sed is always needed.
277 sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
278 $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
280 dnl In the intl/Makefile.in we have a special dependency which makes
281 dnl only sense for gettext. We comment this out for non-gettext
283 if test "$PACKAGE" = "gettext"; then
293 dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
294 dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
295 dnl Try to locate is.
297 if test -n "$ac_aux_dir"; then
298 MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
300 if test -z "$MKINSTALLDIRS"; then
301 MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
303 AC_SUBST(MKINSTALLDIRS)
305 dnl *** For now the libtool support in intl/Makefile is not for real.
309 dnl Generate list of files to be processed by xgettext which will
310 dnl be included in po/Makefile.
311 test -d po || mkdir po
312 if test "x$srcdir" != "x."; then
313 if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
314 posrcprefix="$srcdir/"
316 posrcprefix="../$srcdir/"
322 sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
323 < $srcdir/po/POTFILES.in > po/POTFILES