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thodg/libiconv/m4/po.m4

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  • Author : Bruno Haible
    Date : 2004-01-26 11:09:01
    Hash : ad21df86
    Message : Update build infrastructure from GNU gettext.

  • m4/po.m4
  • # po.m4 serial 3 (gettext-0.14)
    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, UPDATEPOFILES, DUMMYPOFILES, GMOFILES 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
              # Compute POFILES
              # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
              # Compute UPDATEPOFILES
              # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
              # Compute DUMMYPOFILES
              # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
              # Compute GMOFILES
              # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
              case "$ac_given_srcdir" in
                .) srcdirpre= ;;
                *) srcdirpre='$(srcdir)/' ;;
              esac
              POFILES=
              UPDATEPOFILES=
              DUMMYPOFILES=
              GMOFILES=
              for lang in $ALL_LINGUAS; do
                POFILES="$POFILES $srcdirpre$lang.po"
                UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
                DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
                GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
              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@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|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, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, 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%}"
       ])
    ])
    
    dnl Postprocesses a Makefile in a directory containing PO files.
    AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE],
    [
      # When this code is run, in config.status, two variables have already been
      # set:
      # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in,
      # - LINGUAS is the value of the environment variable LINGUAS at configure
      #   time.
    
    changequote(,)dnl
      # 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
    
      # Find a way to echo strings without interpreting backslash.
      if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
        gt_echo='echo'
      else
        if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
          gt_echo='printf %s\n'
        else
          echo_func () {
            cat <<EOT
    $*
    EOT
          }
          gt_echo='echo_func'
        fi
      fi
    
      # A sed script that extracts the value of VARIABLE from a Makefile.
      sed_x_variable='
    # Test if the hold space is empty.
    x
    s/P/P/
    x
    ta
    # Yes it was empty. Look if we have the expected variable definition.
    /^[	 ]*VARIABLE[	 ]*=/{
      # Seen the first line of the variable definition.
      s/^[	 ]*VARIABLE[	 ]*=//
      ba
    }
    bd
    :a
    # Here we are processing a line from the variable definition.
    # Remove comment, more precisely replace it with a space.
    s/#.*$/ /
    # See if the line ends in a backslash.
    tb
    :b
    s/\\$//
    # Print the line, without the trailing backslash.
    p
    tc
    # There was no trailing backslash. The end of the variable definition is
    # reached. Clear the hold space.
    s/^.*$//
    x
    bd
    :c
    # A trailing backslash means that the variable definition continues in the
    # next line. Put a nonempty string into the hold space to indicate this.
    s/^.*$/P/
    x
    :d
    '
    changequote([,])dnl
    
      # Set POTFILES to the value of the Makefile variable POTFILES.
      sed_x_POTFILES="`$gt_echo \"$sed_x_variable\" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`"
      POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
      # Compute POTFILES_DEPS as
      #   $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
      POTFILES_DEPS=
      for file in $POTFILES; do
        POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file"
      done
      POMAKEFILEDEPS=""
    
      if test -n "$OBSOLETE_ALL_LINGUAS"; then
        test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
      fi
      if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
        # The LINGUAS file contains the set of available languages.
        ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
        POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
      else
        # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
        sed_x_LINGUAS="`$gt_echo \"$sed_x_variable\" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`"
        ALL_LINGUAS_=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
      fi
      # Hide the ALL_LINGUAS assigment from automake.
      eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
      # Compute POFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
      # Compute UPDATEPOFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
      # Compute DUMMYPOFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
      # Compute GMOFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
      # Compute PROPERTIESFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).properties)
      # Compute CLASSFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).class)
      # Compute QMFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
      # Compute MSGFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
      # Compute RESOURCESDLLFILES
      # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
      case "$ac_given_srcdir" in
        .) srcdirpre= ;;
        *) srcdirpre='$(srcdir)/' ;;
      esac
      POFILES=
      UPDATEPOFILES=
      DUMMYPOFILES=
      GMOFILES=
      PROPERTIESFILES=
      CLASSFILES=
      QMFILES=
      MSGFILES=
      RESOURCESDLLFILES=
      for lang in $ALL_LINGUAS; do
        POFILES="$POFILES $srcdirpre$lang.po"
        UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
        DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
        GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
        PROPERTIESFILES="$PROPERTIESFILES \$(top_srcdir)/\$(DOMAIN)_$lang.properties"
        CLASSFILES="$CLASSFILES \$(top_srcdir)/\$(DOMAIN)_$lang.class"
        QMFILES="$QMFILES $srcdirpre$lang.qm"
        frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
        MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
        frobbedlang=`echo $lang | sed -e 's/_/-/g'`
        RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
      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 $presentlang"
          fi
        done
      fi
      CATALOGS=
      JAVACATALOGS=
      QTCATALOGS=
      TCLCATALOGS=
      CSHARPCATALOGS=
      if test -n "$INST_LINGUAS"; then
        for lang in $INST_LINGUAS; do
          CATALOGS="$CATALOGS $lang.gmo"
          JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties"
          QTCATALOGS="$QTCATALOGS $lang.qm"
          frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
          TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
          frobbedlang=`echo $lang | sed -e 's/_/-/g'`
          CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
        done
      fi
    
      sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
      if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
        # Add dependencies that cannot be formulated as a simple suffix rule.
        for lang in $ALL_LINGUAS; do
          frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
          cat >> "$ac_file.tmp" <<EOF
    $frobbedlang.msg: $lang.po
    	@echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \
    	\$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
    EOF
        done
      fi
      if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
        # Add dependencies that cannot be formulated as a simple suffix rule.
        for lang in $ALL_LINGUAS; do
          frobbedlang=`echo $lang | sed -e 's/_/-/g'`
          cat >> "$ac_file.tmp" <<EOF
    $frobbedlang/\$(DOMAIN).resources.dll: $lang.po
    	@echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
    	\$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
    EOF
        done
      fi
      if test -n "$POMAKEFILEDEPS"; then
        cat >> "$ac_file.tmp" <<EOF
    Makefile: $POMAKEFILEDEPS
    EOF
      fi
      mv "$ac_file.tmp" "$ac_file"
    ])