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# 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 <drepper@cygnus.com>, 1995-2000.

dnl   Bruno Haible <haible@clisp.cons.org>, 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.in is obsolete" || echo "setting ALL_LINGUAS in configure.in 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.in.

            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%}"

   ])

])