1# po.m4 serial 1 (gettext-0.12)
2dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
3dnl This file is free software, distributed under the terms of the GNU
4dnl General Public License.  As a special exception to the GNU General
5dnl Public License, this file may be distributed as part of a program
6dnl that contains a configuration script generated by Autoconf, under
7dnl the same distribution terms as the rest of that program.
8dnl
9dnl This file can can be used in projects which are not available under
10dnl the GNU General Public License or the GNU Library General Public
11dnl License but which still want to provide support for the GNU gettext
12dnl functionality.
13dnl Please note that the actual code of the GNU gettext library is covered
14dnl by the GNU Library General Public License, and the rest of the GNU
15dnl gettext package package is covered by the GNU General Public License.
16dnl They are *not* in the public domain.
17
18dnl Authors:
19dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
20dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
21
22dnl Checks for all prerequisites of the po subdirectory.
23AC_DEFUN([AM_PO_SUBDIRS],
24[
25  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
26  AC_REQUIRE([AC_PROG_INSTALL])dnl
27  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
28  AC_REQUIRE([AM_NLS])dnl
29
30  dnl Perform the following tests also if --disable-nls has been given,
31  dnl because they are needed for "make dist" to work.
32
33  dnl Search for GNU msgfmt in the PATH.
34  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
35  dnl The second test excludes FreeBSD msgfmt.
36  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
37    [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 &&
38     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
39    :)
40  AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
41
42  dnl Search for GNU xgettext 0.12 or newer in the PATH.
43  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
44  dnl The second test excludes FreeBSD xgettext.
45  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
46    [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
47     (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
48    :)
49  dnl Remove leftover from FreeBSD xgettext call.
50  rm -f messages.po
51
52  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
53  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
54    [$ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1], :)
55
56  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
57  dnl Test whether we really found GNU msgfmt.
58  if test "$GMSGFMT" != ":"; then
59    dnl If it is no GNU msgfmt we define it as : so that the
60    dnl Makefiles still can work.
61    if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 &&
62       (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
63      : ;
64    else
65      GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'`
66      AC_MSG_RESULT(
67        [found $GMSGFMT program is not GNU msgfmt; ignore it])
68      GMSGFMT=":"
69    fi
70  fi
71
72  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
73  dnl Test whether we really found GNU xgettext.
74  if test "$XGETTEXT" != ":"; then
75    dnl If it is no GNU xgettext we define it as : so that the
76    dnl Makefiles still can work.
77    if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
78       (if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
79      : ;
80    else
81      AC_MSG_RESULT(
82        [found xgettext program is not GNU xgettext; ignore it])
83      XGETTEXT=":"
84    fi
85    dnl Remove leftover from FreeBSD xgettext call.
86    rm -f messages.po
87  fi
88
89  AC_OUTPUT_COMMANDS([
90    for ac_file in $CONFIG_FILES; do
91      # Support "outfile[:infile[:infile...]]"
92      case "$ac_file" in
93        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
94      esac
95      # PO directories have a Makefile.in generated from Makefile.in.in.
96      case "$ac_file" in */Makefile.in)
97        # Adjust a relative srcdir.
98        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
99        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
100        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
101        # In autoconf-2.13 it is called $ac_given_srcdir.
102        # In autoconf-2.50 it is called $srcdir.
103        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
104        case "$ac_given_srcdir" in
105          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
106          /*) top_srcdir="$ac_given_srcdir" ;;
107          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
108        esac
109        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
110          rm -f "$ac_dir/POTFILES"
111          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
112          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ 	]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
113          POMAKEFILEDEPS="POTFILES.in"
114          # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend
115          # on $ac_dir but don't depend on user-specified configuration
116          # parameters.
117          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
118            # The LINGUAS file contains the set of available languages.
119            if test -n "$OBSOLETE_ALL_LINGUAS"; then
120              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
121            fi
122            ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
123            # Hide the ALL_LINGUAS assigment from automake.
124            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
125            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
126          else
127            # The set of available languages was given in configure.in.
128            eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
129          fi
130          case "$ac_given_srcdir" in
131            .) srcdirpre= ;;
132            *) srcdirpre='$(srcdir)/' ;;
133          esac
134          POFILES=
135          GMOFILES=
136          UPDATEPOFILES=
137          DUMMYPOFILES=
138          for lang in $ALL_LINGUAS; do
139            POFILES="$POFILES $srcdirpre$lang.po"
140            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
141            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
142            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
143          done
144          # CATALOGS depends on both $ac_dir and the user's LINGUAS
145          # environment variable.
146          INST_LINGUAS=
147          if test -n "$ALL_LINGUAS"; then
148            for presentlang in $ALL_LINGUAS; do
149              useit=no
150              if test "%UNSET%" != "$LINGUAS"; then
151                desiredlanguages="$LINGUAS"
152              else
153                desiredlanguages="$ALL_LINGUAS"
154              fi
155              for desiredlang in $desiredlanguages; do
156                # Use the presentlang catalog if desiredlang is
157                #   a. equal to presentlang, or
158                #   b. a variant of presentlang (because in this case,
159                #      presentlang can be used as a fallback for messages
160                #      which are not translated in the desiredlang catalog).
161                case "$desiredlang" in
162                  "$presentlang"*) useit=yes;;
163                esac
164              done
165              if test $useit = yes; then
166                INST_LINGUAS="$INST_LINGUAS $presentlang"
167              fi
168            done
169          fi
170          CATALOGS=
171          if test -n "$INST_LINGUAS"; then
172            for lang in $INST_LINGUAS; do
173              CATALOGS="$CATALOGS $lang.gmo"
174            done
175          fi
176          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
177          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
178          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
179            if test -f "$f"; then
180              case "$f" in
181                *.orig | *.bak | *~) ;;
182                *) cat "$f" >> "$ac_dir/Makefile" ;;
183              esac
184            fi
185          done
186        fi
187        ;;
188      esac
189    done],
190   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
191    # POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES, CATALOGS. But hide it
192    # from automake.
193    eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
194    # Capture the value of LINGUAS because we need it to compute CATALOGS.
195    LINGUAS="${LINGUAS-%UNSET%}"
196   ])
197])
198