config/po.m4

   1 # po.m4 serial 1 (gettext-0.12)
   2 dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
   3 dnl This file is free software, distributed under the terms of the GNU
   4 dnl General Public License.  As a special exception to the GNU General
   5 dnl Public License, this file may be distributed as part of a program
   6 dnl that contains a configuration script generated by Autoconf, under
   7 dnl the same distribution terms as the rest of that program.
   8 dnl
   9 dnl This file can can be used in projects which are not available under
  10 dnl the GNU General Public License or the GNU Library General Public
  11 dnl License but which still want to provide support for the GNU gettext
  12 dnl functionality.
  13 dnl Please note that the actual code of the GNU gettext library is covered
  14 dnl by the GNU Library General Public License, and the rest of the GNU
  15 dnl gettext package package is covered by the GNU General Public License.
  16 dnl They are *not* in the public domain.
  17
  18 dnl Authors:
  19 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
  20 dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
  21
  22 dnl Checks for all prerequisites of the po subdirectory.
  23 AC_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 ])