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f61aad93 | 1 | # mbrtowc.m4 serial 5 |
1a929557 PE |
2 | dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. |
3 | dnl This file is free software, distributed under the terms of the GNU | |
4 | dnl General Public License. As a special exception to the GNU General | |
5 | dnl Public License, this file may be distributed as part of a program | |
6 | dnl that contains a configuration script generated by Autoconf, under | |
7 | dnl the same distribution terms as the rest of that program. | |
342b8b6e AD |
8 | |
9 | dnl From Paul Eggert | |
10 | ||
f61aad93 PE |
11 | dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with |
12 | dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere. | |
13 | ||
342b8b6e AD |
14 | AC_DEFUN([jm_FUNC_MBRTOWC], |
15 | [ | |
16 | AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], | |
17 | jm_cv_func_mbrtowc, | |
18 | [AC_TRY_LINK( | |
19 | [#include <wchar.h>], | |
20 | [mbstate_t state; return ! (sizeof state && mbrtowc);], | |
21 | jm_cv_func_mbrtowc=yes, | |
22 | jm_cv_func_mbrtowc=no)]) | |
23 | if test $jm_cv_func_mbrtowc = yes; then | |
24 | AC_DEFINE(HAVE_MBRTOWC, 1, | |
25 | [Define to 1 if mbrtowc and mbstate_t are properly declared.]) | |
26 | fi | |
27 | ]) |