gstreamer/common/m4/glib-gettext.m4
2008-10-09 13:29:12 +01:00

380 lines
12 KiB
Text

# Copyright (C) 1995-2002 Free Software Foundation, Inc.
# Copyright (C) 2001-2003 Red Hat, Inc.
#
# This file is free software, distributed under the terms of the GNU
# General Public License. As a special exception to the GNU General
# Public License, this file may be distributed as part of a program
# that contains a configuration script generated by Autoconf, under
# the same distribution terms as the rest of that program.
#
# This file can be copied and used freely without restrictions. It can
# be used in projects which are not available under the GNU Public License
# but which still want to provide support for the GNU gettext functionality.
#
# Macro to add for using GNU gettext.
# Ulrich Drepper <drepper@cygnus.com>, 1995, 1996
#
# Modified to never use included libintl.
# Owen Taylor <otaylor@redhat.com>, 12/15/1998
#
# Major rework to remove unused code
# Owen Taylor <otaylor@redhat.com>, 12/11/2002
#
# Added better handling of ALL_LINGUAS from GNU gettext version
# written by Bruno Haible, Owen Taylor <otaylor.redhat.com> 5/30/3002
#
# We need this here as well, since someone might use autoconf-2.5x
# to configure GLib then an older version to configure a package
# using AM_GLIB_GNU_GETTEXT
AC_PREREQ(2.53)
dnl
dnl We go to great lengths to make sure that aclocal won't
dnl try to pull in the installed version of these macros
dnl when running aclocal in the glib directory.
dnl
m4_copy([AC_DEFUN],[glib_DEFUN])
m4_copy([AC_REQUIRE],[glib_REQUIRE])
dnl
dnl At the end, if we're not within glib, we'll define the public
dnl definitions in terms of our private definitions.
dnl
# GLIB_LC_MESSAGES
#--------------------
glib_DEFUN([GLIB_LC_MESSAGES],
[AC_CHECK_HEADERS([locale.h])
if test $ac_cv_header_locale_h = yes; then
AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
[AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
if test $am_cv_val_LC_MESSAGES = yes; then
AC_DEFINE(HAVE_LC_MESSAGES, 1,
[Define if your <locale.h> file defines LC_MESSAGES.])
fi
fi])
# GLIB_PATH_PROG_WITH_TEST
#----------------------------
dnl GLIB_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
glib_DEFUN([GLIB_PATH_PROG_WITH_TEST],
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
/*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in ifelse([$5], , $PATH, [$5]); do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
if [$3]; then
ac_cv_path_$1="$ac_dir/$ac_word"
break
fi
fi
done
IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])
# GLIB_WITH_NLS
#-----------------
glib_DEFUN([GLIB_WITH_NLS],
dnl NLS is obligatory
[USE_NLS=yes
AC_SUBST(USE_NLS)
gt_cv_have_gettext=no
CATOBJEXT=NONE
XGETTEXT=:
INTLLIBS=
AC_CHECK_HEADER(libintl.h,
[gt_cv_func_dgettext_libintl="no"
libintl_extra_libs=""
#
# First check in libc
#
AC_CACHE_CHECK([for dgettext in libc], gt_cv_func_dgettext_libc,
[AC_TRY_LINK([
#include <libintl.h>
],
[return (int) dgettext ("","")],
gt_cv_func_dgettext_libc=yes,
gt_cv_func_dgettext_libc=no)
])
if test "$gt_cv_func_dgettext_libc" = "yes" ; then
AC_CHECK_FUNCS(bind_textdomain_codeset)
fi
#
# If we don't have everything we want, check in libintl
#
if test "$gt_cv_func_dgettext_libc" != "yes" \
|| test "$ac_cv_func_bind_textdomain_codeset" != "yes" ; then
AC_CHECK_LIB(intl, bindtextdomain,
[AC_CHECK_LIB(intl, dgettext,
gt_cv_func_dgettext_libintl=yes)])
if test "$gt_cv_func_dgettext_libintl" != "yes" ; then
AC_MSG_CHECKING([if -liconv is needed to use gettext])
AC_MSG_RESULT([])
AC_CHECK_LIB(intl, dcgettext,
[gt_cv_func_dgettext_libintl=yes
libintl_extra_libs=-liconv],
:,-liconv)
fi
#
# If we found libintl, then check in it for bind_textdomain_codeset();
# we'll prefer libc if neither have bind_textdomain_codeset(),
# and both have dgettext
#
if test "$gt_cv_func_dgettext_libintl" = "yes" ; then
glib_save_LIBS="$LIBS"
LIBS="$LIBS -lintl $libintl_extra_libs"
unset ac_cv_func_bind_textdomain_codeset
AC_CHECK_FUNCS(bind_textdomain_codeset)
LIBS="$glib_save_LIBS"
if test "$ac_cv_func_bind_textdomain_codeset" = "yes" ; then
gt_cv_func_dgettext_libc=no
else
if test "$gt_cv_func_dgettext_libc" = "yes"; then
gt_cv_func_dgettext_libintl=no
fi
fi
fi
fi
if test "$gt_cv_func_dgettext_libc" = "yes" \
|| test "$gt_cv_func_dgettext_libintl" = "yes"; then
gt_cv_have_gettext=yes
fi
if test "$gt_cv_func_dgettext_libintl" = "yes"; then
INTLLIBS="-lintl $libintl_extra_libs"
fi
if test "$gt_cv_have_gettext" = "yes"; then
AC_DEFINE(HAVE_GETTEXT,1,
[Define if the GNU gettext() function is already present or preinstalled.])
GLIB_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
if test "$MSGFMT" != "no"; then
glib_save_LIBS="$LIBS"
LIBS="$LIBS $INTLLIBS"
AC_CHECK_FUNCS(dcgettext)
AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
GLIB_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
return _nl_msg_cat_cntr],
[CATOBJEXT=.gmo
DATADIRNAME=share],
[case $host in
*-*-solaris*)
dnl On Solaris, if bind_textdomain_codeset is in libc,
dnl GNU format message catalog is always supported,
dnl since both are added to the libc all together.
dnl Hence, we'd like to go with DATADIRNAME=share and
dnl and CATOBJEXT=.gmo in this case.
AC_CHECK_FUNC(bind_textdomain_codeset,
[CATOBJEXT=.gmo
DATADIRNAME=share],
[CATOBJEXT=.mo
DATADIRNAME=lib])
;;
*)
CATOBJEXT=.mo
DATADIRNAME=lib
;;
esac])
LIBS="$glib_save_LIBS"
INSTOBJEXT=.mo
else
gt_cv_have_gettext=no
fi
fi
])
if test "$gt_cv_have_gettext" = "yes" ; then
AC_DEFINE(ENABLE_NLS, 1,
[always defined to indicate that i18n is enabled])
fi
dnl Test whether we really found GNU xgettext.
if test "$XGETTEXT" != ":"; then
dnl If it is not GNU xgettext we define it as : so that the
dnl Makefiles still can work.
if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
: ;
else
AC_MSG_RESULT(
[found xgettext program is not GNU xgettext; ignore it])
XGETTEXT=":"
fi
fi
# We need to process the po/ directory.
POSUB=po
AC_OUTPUT_COMMANDS(
[case "$CONFIG_FILES" in *po/Makefile.in*)
sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
esac])
dnl These rules are solely for the distribution goal. While doing this
dnl we only have to keep exactly one list of the available catalogs
dnl in configure.in.
for lang in $ALL_LINGUAS; do
GMOFILES="$GMOFILES $lang.gmo"
POFILES="$POFILES $lang.po"
done
dnl Make all variables we use known to autoconf.
AC_SUBST(CATALOGS)
AC_SUBST(CATOBJEXT)
AC_SUBST(DATADIRNAME)
AC_SUBST(GMOFILES)
AC_SUBST(INSTOBJEXT)
AC_SUBST(INTLLIBS)
AC_SUBST(PO_IN_DATADIR_TRUE)
AC_SUBST(PO_IN_DATADIR_FALSE)
AC_SUBST(POFILES)
AC_SUBST(POSUB)
])
# AM_GLIB_GNU_GETTEXT
# -------------------
# Do checks necessary for use of gettext. If a suitable implementation
# of gettext is found in either in libintl or in the C library,
# it will set INTLLIBS to the libraries needed for use of gettext
# and AC_DEFINE() HAVE_GETTEXT and ENABLE_NLS. (The shell variable
# gt_cv_have_gettext will be set to "yes".) It will also call AC_SUBST()
# on various variables needed by the Makefile.in.in installed by
# glib-gettextize.
dnl
glib_DEFUN([GLIB_GNU_GETTEXT],
[AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
GLIB_LC_MESSAGES
GLIB_WITH_NLS
if test "$gt_cv_have_gettext" = "yes"; then
if test "x$ALL_LINGUAS" = "x"; then
LINGUAS=
else
AC_MSG_CHECKING(for catalogs to be installed)
NEW_LINGUAS=
for presentlang in $ALL_LINGUAS; do
useit=no
if test "%UNSET%" != "${LINGUAS-%UNSET%}"; 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 $useit = yes; then
NEW_LINGUAS="$NEW_LINGUAS $presentlang"
fi
done
LINGUAS=$NEW_LINGUAS
AC_MSG_RESULT($LINGUAS)
fi
dnl Construct list of names of catalog files to be constructed.
if test -n "$LINGUAS"; then
for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
fi
fi
dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
dnl Try to locate is.
MKINSTALLDIRS=
if test -n "$ac_aux_dir"; then
MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
fi
if test -z "$MKINSTALLDIRS"; then
MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
fi
AC_SUBST(MKINSTALLDIRS)
dnl Generate list of files to be processed by xgettext which will
dnl be included in po/Makefile.
test -d po || mkdir po
if test "x$srcdir" != "x."; then
if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
posrcprefix="$srcdir/"
else
posrcprefix="../$srcdir/"
fi
else
posrcprefix="../"
fi
rm -f po/POTFILES
sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
< $srcdir/po/POTFILES.in > po/POTFILES
])
# AM_GLIB_DEFINE_LOCALEDIR(VARIABLE)
# -------------------------------
# Define VARIABLE to the location where catalog files will
# be installed by po/Makefile.
glib_DEFUN([GLIB_DEFINE_LOCALEDIR],
[glib_REQUIRE([GLIB_GNU_GETTEXT])dnl
glib_save_prefix="$prefix"
glib_save_exec_prefix="$exec_prefix"
test "x$prefix" = xNONE && prefix=$ac_default_prefix
test "x$exec_prefix" = xNONE && exec_prefix=$prefix
if test "x$CATOBJEXT" = "x.mo" ; then
localedir=`eval echo "${libdir}/locale"`
else
localedir=`eval echo "${datadir}/locale"`
fi
prefix="$glib_save_prefix"
exec_prefix="$glib_save_exec_prefix"
AC_DEFINE_UNQUOTED($1, "$localedir",
[Define the location where the catalogs will be installed])
])
dnl
dnl Now the definitions that aclocal will find
dnl
ifdef(glib_configure_in,[],[
AC_DEFUN([AM_GLIB_GNU_GETTEXT],[GLIB_GNU_GETTEXT($@)])
AC_DEFUN([AM_GLIB_DEFINE_LOCALEDIR],[GLIB_DEFINE_LOCALEDIR($@)])
])dnl