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# po.m4 serial 17 (gettext-0.18)
dnl Copyright (C) 1995-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
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.

AC_PREREQ([2.50])

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_PROG_MKDIR_P])dnl defined by automake
  AC_REQUIRE([AM_NLS])dnl

  dnl Release version of the gettext macros. This is used to ensure that
  dnl the gettext macros and po/Makefile.in.in are in sync.
  AC_SUBST([GETTEXT_MACRO_VERSION], [0.18])

  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 >&]AS_MESSAGE_LOG_FD[ 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 Test whether it is GNU msgfmt >= 0.15.
changequote(,)dnl
  case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;;
    *) MSGFMT_015=$MSGFMT ;;
  esac
changequote([,])dnl
  AC_SUBST([MSGFMT_015])
changequote(,)dnl
  case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
    *) GMSGFMT_015=$GMSGFMT ;;
  esac
changequote([,])dnl
  AC_SUBST([GMSGFMT_015])

  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 >&]AS_MESSAGE_LOG_FD[ 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 Test whether it is GNU xgettext >= 0.15.
changequote(,)dnl
  case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
    *) XGETTEXT_015=$XGETTEXT ;;
  esac
changequote([,])dnl
  AC_SUBST([XGETTEXT_015])

  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 >&]AS_MESSAGE_LOG_FD[ 2>&1], :)

  dnl Installation directories.
  dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we
  dnl have to define it here, so that it can be used in po/Makefile.
  test -n "$localedir" || localedir='${datadir}/locale'
  AC_SUBST([localedir])

  dnl Support for AM_XGETTEXT_OPTION.
  test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS=
  AC_SUBST([XGETTEXT_EXTRA_OPTIONS])

  AC_CONFIG_COMMANDS([po-directories], [[
    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$ac_given_srcdir" ;;
        esac
        # Treat a directory as a PO directory if and only if it has a
        # POTFILES.in file. This allows packages to have multiple PO
        # directories under different names or in different locations.
        if test -f "$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" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
            # Hide the ALL_LINGUAS assigment from automake < 1.5.
            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
          else
            # The set of available languages was given in configure.in.
            # Hide the ALL_LINGUAS assigment from automake < 1.5.
            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 < 1.5.
    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/$ac_dir/LINGUAS"; then
    # The LINGUAS file contains the set of available languages.
    ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$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 < 1.5.
  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 $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
    RESOURCESDLLFILES="$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 $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      CSHARPCATALOGS="$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 $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      cat >> "$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"
])

dnl Initializes the accumulator used by AM_XGETTEXT_OPTION.
AC_DEFUN([AM_XGETTEXT_OPTION_INIT],
[
  XGETTEXT_EXTRA_OPTIONS=
])

dnl Registers an option to be passed to xgettext in the po subdirectory.
AC_DEFUN([AM_XGETTEXT_OPTION],
[
  AC_REQUIRE([AM_XGETTEXT_OPTION_INIT])
  XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1"
])