Index: bison/share/aclocal/bison-i18n.m4 |
=================================================================== |
--- bison/share/aclocal/bison-i18n.m4 (revision 0) |
+++ bison/share/aclocal/bison-i18n.m4 (revision 0) |
@@ -0,0 +1,48 @@ |
+# bison-i18n.m4 serial 2 |
+dnl Copyright (C) 2005-2006 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 From Bruno Haible. |
+ |
+dnl Support for internationalization of bison-generated parsers. |
+ |
+dnl BISON_I18N |
+dnl should be used in configure.ac, after AM_GNU_GETTEXT. If USE_NLS is yes, it |
+dnl sets BISON_LOCALEDIR to indicate where to find the bison-runtime.mo files |
+dnl and defines YYENABLE_NLS if there are bison-runtime.mo files at all. |
+AC_DEFUN([BISON_I18N], |
+[ |
+ if test -z "$USE_NLS"; then |
+ echo "The BISON-I18N macro is used without being preceded by AM-GNU-GETTEXT." 1>&2 |
+ exit 1 |
+ fi |
+ BISON_LOCALEDIR= |
+ BISON_USE_NLS=no |
+ if test "$USE_NLS" = yes; then |
+ dnl Determine bison's localedir. |
+ dnl AC_PROG_YACC sets the YACC variable; other macros set the BISON variable. |
+ dnl But even is YACC is called "yacc", it may be a script that invokes bison |
+ dnl and accepts the --print-localedir option. |
+ dnl YACC's default value is empty; BISON's default value is :. |
+ if (${YACC-${BISON-:}} --print-localedir) >/dev/null 2>&1; then |
+ BISON_LOCALEDIR=`${YACC-${BISON-:}} --print-localedir` |
+ fi |
+ AC_SUBST([BISON_LOCALEDIR]) |
+ if test -n "$BISON_LOCALEDIR"; then |
+ dnl There is no need to enable internationalization if the user doesn't |
+ dnl want message catalogs. So look at the language/locale names for |
+ dnl which the user wants message catalogs. This is $LINGUAS. If unset |
+ dnl or empty, he wants all of them. |
+ USER_LINGUAS="${LINGUAS-%UNSET%}" |
+ if test -n "$USER_LINGUAS"; then |
+ BISON_USE_NLS=yes |
+ fi |
+ fi |
+ fi |
+ if test $BISON_USE_NLS = yes; then |
+ AC_DEFINE([YYENABLE_NLS], 1, |
+ [Define to 1 to internationalize bison runtime messages.]) |
+ fi |
+]) |