# po.m4 serial 1 (gettext-0.12)
dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl
dnl This file can can be used in projects which are not available under
dnl the GNU General Public License or the GNU Library General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Library General Public License, and the rest of the GNU
dnl gettext package package is covered by the GNU General Public License.
dnl They are *not* in the public domain.

dnl Authors:
dnl   Ulrich Drepper <[email protected]>, 1995-2000.
dnl   Bruno Haible <[email protected]>, 2000-2003.

dnl Checks for all prerequisites of the po subdirectory.
AC_DEFUN([AM_PO_SUBDIRS],
[
 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 AC_REQUIRE([AC_PROG_INSTALL])dnl
 AC_REQUIRE([AM_MKINSTALLDIRS])dnl
 AC_REQUIRE([AM_NLS])dnl

 dnl Perform the following tests also if --disable-nls has been given,
 dnl because they are needed for "make dist" to work.

 dnl Search for GNU msgfmt in the PATH.
 dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
 dnl The second test excludes FreeBSD msgfmt.
 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
   [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 &&
    (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
   :)
 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)

 dnl Search for GNU xgettext 0.12 or newer in the PATH.
 dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
 dnl The second test excludes FreeBSD xgettext.
 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
   [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
    (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)],
   :)
 dnl Remove leftover from FreeBSD xgettext call.
 rm -f messages.po

 dnl Search for GNU msgmerge 0.11 or newer in the PATH.
 AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
   [$ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1], :)

 dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
 dnl Test whether we really found GNU msgfmt.
 if test "$GMSGFMT" != ":"; then
   dnl If it is no GNU msgfmt we define it as : so that the
   dnl Makefiles still can work.
   if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 &&
      (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
     : ;
   else
     GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'`
     AC_MSG_RESULT(
       [found $GMSGFMT program is not GNU msgfmt; ignore it])
     GMSGFMT=":"
   fi
 fi

 dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
 dnl Test whether we really found GNU xgettext.
 if test "$XGETTEXT" != ":"; then
   dnl If it is no GNU xgettext we define it as : so that the
   dnl Makefiles still can work.
   if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
      (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
     : ;
   else
     AC_MSG_RESULT(
       [found xgettext program is not GNU xgettext; ignore it])
     XGETTEXT=":"
   fi
   dnl Remove leftover from FreeBSD xgettext call.
   rm -f messages.po
 fi

 AC_OUTPUT_COMMANDS([
   for ac_file in $CONFIG_FILES; do
     # Support "outfile[:infile[:infile...]]"
     case "$ac_file" in
       *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
     esac
     # PO directories have a Makefile.in generated from Makefile.in.in.
     case "$ac_file" in */Makefile.in)
       # Adjust a relative srcdir.
       ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
       ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
       ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
       # In autoconf-2.13 it is called $ac_given_srcdir.
       # In autoconf-2.50 it is called $srcdir.
       test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
       case "$ac_given_srcdir" in
         .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
         /*) top_srcdir="$ac_given_srcdir" ;;
         *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
       esac
       if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
         rm -f "$ac_dir/POTFILES"
         test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
         cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[   ]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
         POMAKEFILEDEPS="POTFILES.in"
         # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend
         # on $ac_dir but don't depend on user-specified configuration
         # parameters.
         if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
           # The LINGUAS file contains the set of available languages.
           if test -n "$OBSOLETE_ALL_LINGUAS"; then
             test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.ac is obsolete" || echo "setting ALL_LINGUAS in configure.ac is obsolete"
           fi
           ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
           # Hide the ALL_LINGUAS assigment from automake.
           eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
           POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
         else
           # The set of available languages was given in configure.ac.
           eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
         fi
         case "$ac_given_srcdir" in
           .) srcdirpre= ;;
           *) srcdirpre='$(srcdir)/' ;;
         esac
         POFILES=
         GMOFILES=
         UPDATEPOFILES=
         DUMMYPOFILES=
         for lang in $ALL_LINGUAS; do
           POFILES="$POFILES $srcdirpre$lang.po"
           GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
           UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
           DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
         done
         # CATALOGS depends on both $ac_dir and the user's LINGUAS
         # environment variable.
         INST_LINGUAS=
         if test -n "$ALL_LINGUAS"; then
           for presentlang in $ALL_LINGUAS; do
             useit=no
             if test "%UNSET%" != "$LINGUAS"; then
               desiredlanguages="$LINGUAS"
             else
               desiredlanguages="$ALL_LINGUAS"
             fi
             for desiredlang in $desiredlanguages; do
               # Use the presentlang catalog if desiredlang is
               #   a. equal to presentlang, or
               #   b. a variant of presentlang (because in this case,
               #      presentlang can be used as a fallback for messages
               #      which are not translated in the desiredlang catalog).
               case "$desiredlang" in
                 "$presentlang"*) useit=yes;;
               esac
             done
             if test $useit = yes; then
               INST_LINGUAS="$INST_LINGUAS $presentlang"
             fi
           done
         fi
         CATALOGS=
         if test -n "$INST_LINGUAS"; then
           for lang in $INST_LINGUAS; do
             CATALOGS="$CATALOGS $lang.gmo"
           done
         fi
         test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
         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"
         for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
           if test -f "$f"; then
             case "$f" in
               *.orig | *.bak | *~) ;;
               *) cat "$f" >> "$ac_dir/Makefile" ;;
             esac
           fi
         done
       fi
       ;;
     esac
   done],
  [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
   # POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES, CATALOGS. But hide it
   # from automake.
   eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
   # Capture the value of LINGUAS because we need it to compute CATALOGS.
   LINGUAS="${LINGUAS-%UNSET%}"
  ])
])

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