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1 | # bison-i18n.m4 serial 1 (bison-2.1) |
2 | dnl Copyright (C) 2005 Free Software Foundation, Inc. | |
3 | dnl This file is free software; the Free Software Foundation | |
4 | dnl gives unlimited permission to copy and/or distribute it, | |
5 | dnl with or without modifications, as long as this notice is preserved. | |
6 | ||
7 | dnl From Bruno Haible. | |
8 | ||
9 | dnl Support for internationalization of bison-generated parsers. | |
10 | ||
11 | dnl BISON_I18N | |
12 | dnl should be used in configure.ac, after AM_GNU_GETTEXT. If USE_NLS is yes, it | |
13 | dnl sets BISON_LOCALEDIR to indicate where to find the bison-runtime.mo files | |
14 | dnl and defines YYENABLE_NLS if there are bison-runtime.mo files at all. | |
15 | AC_DEFUN([BISON_I18N], | |
16 | [ | |
17 | if test -z "$USE_NLS"; then | |
18 | echo "The BISON-I18N macro is used without being preceded by AM-GNU-GETTEXT." 1>&2 | |
19 | exit 1 | |
20 | fi | |
21 | BISON_LOCALEDIR= | |
22 | if test "$USE_NLS" = yes; then | |
23 | dnl AC_PROG_YACC sets the YACC variable; other macros set the BISON variable. | |
24 | if test -n "$YACC"; then | |
25 | case "$YACC" in | |
26 | *bison*) | |
27 | if ($YACC --print-localedir) >/dev/null 2>&1; then | |
28 | BISON_LOCALEDIR=`$YACC --print-localedir` | |
29 | fi | |
30 | ;; | |
31 | esac | |
32 | else | |
33 | if test -n "$BISON"; then | |
34 | if test "$BISON" != ":"; then | |
35 | if ($BISON --print-localedir) >/dev/null 2>&1; then | |
36 | BISON_LOCALEDIR=`$BISON --print-localedir` | |
37 | fi | |
38 | fi | |
39 | fi | |
40 | fi | |
41 | AC_SUBST([BISON_LOCALEDIR]) | |
42 | if test -n "$BISON_LOCALEDIR"; then | |
43 | USER_LINGUAS="${LINGUAS-%UNSET%}" | |
44 | if test -n "$USER_LINGUAS"; then | |
45 | BISON_USE_NLS=yes | |
46 | else | |
47 | BISON_USE_NLS=no | |
48 | fi | |
49 | else | |
50 | BISON_USE_NLS=no | |
51 | fi | |
52 | else | |
53 | BISON_USE_NLS=no | |
54 | fi | |
55 | if test $BISON_USE_NLS = yes; then | |
56 | AC_DEFINE([YYENABLE_NLS], 1, | |
57 | [Define to 1 to internationalize bison runtime messages.]) | |
58 | fi | |
59 | ]) |