source: trunk/third/ggv/acinclude.m4 @ 18703

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[18702]1
2######################################################################
3# progtest.m4 from gettext 0.32
4######################################################################
5# Search path for a program which passes the given test.
6# Ulrich Drepper <drepper@cygnus.com>, 1996.
7#
8# This file file 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.
12
13# serial 1
14
15dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
16dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
17AC_DEFUN(AM_PATH_PROG_WITH_TEST,
18[# Extract the first word of "$2", so it can be a program name with args.
19set dummy $2; ac_word=[$]2
20AC_MSG_CHECKING([for $ac_word])
21AC_CACHE_VAL(ac_cv_path_$1,
22[case "[$]$1" in
23  /*)
24  ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
25  ;;
26  *)
27  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
28  for ac_dir in ifelse([$5], , $PATH, [$5]); do
29    test -z "$ac_dir" && ac_dir=.
30    if test -f $ac_dir/$ac_word; then
31      if [$3]; then
32        ac_cv_path_$1="$ac_dir/$ac_word"
33        break
34      fi
35    fi
36  done
37  IFS="$ac_save_ifs"
38dnl If no 4th arg is given, leave the cache variable unset,
39dnl so AC_PATH_PROGS will keep looking.
40ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
41])dnl
42  ;;
43esac])dnl
44$1="$ac_cv_path_$1"
45if test -n "[$]$1"; then
46  AC_MSG_RESULT([$]$1)
47else
48  AC_MSG_RESULT(no)
49fi
50AC_SUBST($1)dnl
51])
52
53
54######################################################################
55# lcmessage.m4 from gettext 0.32
56######################################################################
57# Check whether LC_MESSAGES is available in <locale.h>.
58# Ulrich Drepper <drepper@cygnus.com>, 1995.
59#
60# This file file be copied and used freely without restrictions.  It can
61# be used in projects which are not available under the GNU Public License
62# but which still want to provide support for the GNU gettext functionality.
63# Please note that the actual code is *not* freely available.
64
65# serial 1
66
67AC_DEFUN(AM_LC_MESSAGES,
68  [if test $ac_cv_header_locale_h = yes; then
69    AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
70      [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
71       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
72    if test $am_cv_val_LC_MESSAGES = yes; then
73      AC_DEFINE(HAVE_LC_MESSAGES)
74    fi
75  fi])
76
77
78
79######################################################################
80# gettext.m4 from gettext 0.32
81######################################################################
82# Macro to add for using GNU gettext.
83# Ulrich Drepper <drepper@cygnus.com>, 1995.
84#
85# This file file be copied and used freely without restrictions.  It can
86# be used in projects which are not available under the GNU Public License
87# but which still want to provide support for the GNU gettext functionality.
88# Please note that the actual code is *not* freely available.
89
90# serial 3
91
92AC_DEFUN(AM_WITH_NLS,
93  [AC_MSG_CHECKING([whether NLS is requested])
94    dnl Default is enabled NLS
95    AC_ARG_ENABLE(nls,
96      [  --disable-nls           do not use Native Language Support],
97      USE_NLS=$enableval, USE_NLS=yes)
98    AC_MSG_RESULT($USE_NLS)
99    AC_SUBST(USE_NLS)
100
101    USE_INCLUDED_LIBINTL=no
102
103    dnl If we use NLS figure out what method
104    if test "$USE_NLS" = "yes"; then
105      AC_DEFINE(ENABLE_NLS)
106      AC_MSG_CHECKING([whether included gettext is requested])
107      AC_ARG_WITH(included-gettext,
108        [  --with-included-gettext use the GNU gettext library included here],
109        nls_cv_force_use_gnu_gettext=$withval,
110        nls_cv_force_use_gnu_gettext=no)
111      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
112
113      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
114      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
115        dnl User does not insist on using GNU NLS library.  Figure out what
116        dnl to use.  If gettext or catgets are available (in this order) we
117        dnl use this.  Else we have to fall back to GNU NLS library.
118        dnl catgets is only used if permitted by option --with-catgets.
119        nls_cv_header_intl=
120        nls_cv_header_libgt=
121        CATOBJEXT=NONE
122
123        AC_CHECK_HEADER(libintl.h,
124          [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
125            [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
126               gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
127
128           if test "$gt_cv_func_gettext_libc" != "yes"; then
129             AC_CHECK_LIB(intl, bindtextdomain,
130               [AC_CACHE_CHECK([for gettext in libintl],
131                 gt_cv_func_gettext_libintl,
132                 [AC_TRY_LINK([], [return (int) gettext ("")],
133                 gt_cv_func_gettext_libintl=yes,
134                 gt_cv_func_gettext_libintl=no)])])
135           fi
136
137           if test "$gt_cv_func_gettext_libc" = "yes" \
138              || test "$gt_cv_func_gettext_libintl" = "yes"; then
139              AC_DEFINE(HAVE_GETTEXT)
140              AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
141                [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
142              if test "$MSGFMT" != "no"; then
143                AC_CHECK_FUNCS(dcgettext)
144                AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
145                AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
146                  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
147                AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
148                               return _nl_msg_cat_cntr],
149                  [CATOBJEXT=.gmo
150                   DATADIRNAME=share],
151                  [CATOBJEXT=.mo
152                   DATADIRNAME=lib])
153                INSTOBJEXT=.mo
154              fi
155            fi
156        ])
157
158        if test "$CATOBJEXT" = "NONE"; then
159          AC_MSG_CHECKING([whether catgets can be used])
160          AC_ARG_WITH(catgets,
161            [  --with-catgets          use catgets functions if available],
162            nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
163          AC_MSG_RESULT($nls_cv_use_catgets)
164
165          if test "$nls_cv_use_catgets" = "yes"; then
166            dnl No gettext in C library.  Try catgets next.
167            AC_CHECK_LIB(i, main)
168            AC_CHECK_FUNC(catgets,
169              [AC_DEFINE(HAVE_CATGETS)
170               INTLOBJS="\$(CATOBJS)"
171               AC_PATH_PROG(GENCAT, gencat, no)dnl
172               if test "$GENCAT" != "no"; then
173                 AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
174                 if test "$GMSGFMT" = "no"; then
175                   AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
176                    [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
177                 fi
178                 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
179                   [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
180                 USE_INCLUDED_LIBINTL=yes
181                 CATOBJEXT=.cat
182                 INSTOBJEXT=.cat
183                 DATADIRNAME=lib
184                 INTLDEPS='$(top_builddir)/intl/libintl.a'
185                 INTLLIBS=$INTLDEPS
186                 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
187                 nls_cv_header_intl=intl/libintl.h
188                 nls_cv_header_libgt=intl/libgettext.h
189               fi])
190          fi
191        fi
192
193        if test "$CATOBJEXT" = "NONE"; then
194          dnl Neither gettext nor catgets in included in the C library.
195          dnl Fall back on GNU gettext library.
196          nls_cv_use_gnu_gettext=yes
197        fi
198      fi
199
200      if test "$nls_cv_use_gnu_gettext" = "yes"; then
201        dnl Mark actions used to generate GNU NLS library.
202        INTLOBJS="\$(GETTOBJS)"
203        AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
204          [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
205        AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
206        AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
207          [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
208        AC_SUBST(MSGFMT)
209        USE_INCLUDED_LIBINTL=yes
210        CATOBJEXT=.gmo
211        INSTOBJEXT=.mo
212        DATADIRNAME=share
213        INTLDEPS='$(top_builddir)/intl/libintl.a'
214        INTLLIBS=$INTLDEPS
215        LIBS=`echo $LIBS | sed -e 's/-lintl//'`
216        nls_cv_header_intl=intl/libintl.h
217        nls_cv_header_libgt=intl/libgettext.h
218      fi
219
220      dnl Test whether we really found GNU xgettext.
221      if test "$XGETTEXT" != ":"; then
222        dnl If it is no GNU xgettext we define it as : so that the
223        dnl Makefiles still can work.
224        if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
225          : ;
226        else
227          AC_MSG_RESULT(
228            [found xgettext programs is not GNU xgettext; ignore it])
229          XGETTEXT=":"
230        fi
231      fi
232
233      # We need to process the po/ directory.
234      POSUB=po
235    else
236      DATADIRNAME=share
237      nls_cv_header_intl=intl/libintl.h
238      nls_cv_header_libgt=intl/libgettext.h
239    fi
240
241    # If this is used in GNU gettext we have to set USE_NLS to `yes'
242    # because some of the sources are only built for this goal.
243    if test "$PACKAGE" = gettext; then
244      USE_NLS=yes
245      USE_INCLUDED_LIBINTL=yes
246    fi
247
248    dnl These rules are solely for the distribution goal.  While doing this
249    dnl we only have to keep exactly one list of the available catalogs
250    dnl in configure.in.
251    for lang in $ALL_LINGUAS; do
252      GMOFILES="$GMOFILES $lang.gmo"
253      POFILES="$POFILES $lang.po"
254    done
255
256    dnl Make all variables we use known to autoconf.
257    AC_SUBST(USE_INCLUDED_LIBINTL)
258    AC_SUBST(CATALOGS)
259    AC_SUBST(CATOBJEXT)
260    AC_SUBST(DATADIRNAME)
261    AC_SUBST(GMOFILES)
262    AC_SUBST(INSTOBJEXT)
263    AC_SUBST(INTLDEPS)
264    AC_SUBST(INTLLIBS)
265    AC_SUBST(INTLOBJS)
266    AC_SUBST(POFILES)
267    AC_SUBST(POSUB)
268  ])
269
270AC_DEFUN(AM_GNU_GETTEXT,
271  [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
272   AC_REQUIRE([AC_PROG_CC])dnl
273   AC_REQUIRE([AC_PROG_RANLIB])dnl
274   AC_REQUIRE([AC_ISC_POSIX])dnl
275   AC_REQUIRE([AC_HEADER_STDC])dnl
276   AC_REQUIRE([AC_C_CONST])dnl
277   AC_REQUIRE([AC_C_INLINE])dnl
278   AC_REQUIRE([AC_TYPE_OFF_T])dnl
279   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
280   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
281   AC_REQUIRE([AC_FUNC_MMAP])dnl
282
283   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
284unistd.h values.h sys/param.h])
285   AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
286__argz_count __argz_stringify __argz_next])
287
288   if test "${ac_cv_func_stpcpy+set}" != "set"; then
289     AC_CHECK_FUNCS(stpcpy)
290   fi
291   if test "${ac_cv_func_stpcpy}" = "yes"; then
292     AC_DEFINE(HAVE_STPCPY)
293   fi
294
295   AM_LC_MESSAGES
296   AM_WITH_NLS
297
298   if test "x$CATOBJEXT" != "x"; then
299     if test "x$ALL_LINGUAS" = "x"; then
300       LINGUAS=
301     else
302       AC_MSG_CHECKING(for catalogs to be installed)
303       NEW_LINGUAS=
304       for lang in ${LINGUAS=$ALL_LINGUAS}; do
305         case "$ALL_LINGUAS" in
306          *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
307         esac
308       done
309       LINGUAS=$NEW_LINGUAS
310       AC_MSG_RESULT($LINGUAS)
311     fi
312
313     dnl Construct list of names of catalog files to be constructed.
314     if test -n "$LINGUAS"; then
315       for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
316     fi
317   fi
318
319   dnl The reference to <locale.h> in the installed <libintl.h> file
320   dnl must be resolved because we cannot expect the users of this
321   dnl to define HAVE_LOCALE_H.
322   if test $ac_cv_header_locale_h = yes; then
323     INCLUDE_LOCALE_H="#include <locale.h>"
324   else
325     INCLUDE_LOCALE_H="\
326/* The system does not provide the header <locale.h>.  Take care yourself.  */"
327   fi
328   AC_SUBST(INCLUDE_LOCALE_H)
329
330   dnl Determine which catalog format we have (if any is needed)
331   dnl For now we know about two different formats:
332   dnl   Linux libc-5 and the normal X/Open format
333   test -d intl || mkdir intl
334   if test "$CATOBJEXT" = ".cat"; then
335     AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
336
337     dnl Transform the SED scripts while copying because some dumb SEDs
338     dnl cannot handle comments.
339     sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
340   fi
341   dnl po2tbl.sed is always needed.
342   sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
343     $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
344
345   dnl In the intl/Makefile.in we have a special dependency which makes
346   dnl only sense for gettext.  We comment this out for non-gettext
347   dnl packages.
348   if test "$PACKAGE" = "gettext"; then
349     GT_NO="#NO#"
350     GT_YES=
351   else
352     GT_NO=
353     GT_YES="#YES#"
354   fi
355   AC_SUBST(GT_NO)
356   AC_SUBST(GT_YES)
357
358   dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
359   dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
360   dnl Try to locate is.
361   MKINSTALLDIRS=
362   if test -n "$ac_aux_dir"; then
363     MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
364   fi
365   if test -z "$MKINSTALLDIRS"; then
366     MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
367   fi
368   AC_SUBST(MKINSTALLDIRS)
369
370   dnl *** For now the libtool support in intl/Makefile is not for real.
371   l=
372   AC_SUBST(l)
373
374   dnl Generate list of files to be processed by xgettext which will
375   dnl be included in po/Makefile.
376   test -d po || mkdir po
377   if test "x$srcdir" != "x."; then
378     if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
379       posrcprefix="$srcdir/"
380     else
381       posrcprefix="../$srcdir/"
382     fi
383   else
384     posrcprefix="../"
385   fi
386   rm -f po/POTFILES
387   sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
388        < $srcdir/po/POTFILES.in > po/POTFILES
389  ])
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