2 dnl Copyright (C) 2001-2002, 2004 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.
11 dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with
12 dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
14 AC_DEFUN([gl_FUNC_MBRTOWC],
16 AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
20 [mbstate_t state; return ! (sizeof state && mbrtowc);],
21 gl_cv_func_mbrtowc=yes,
22 gl_cv_func_mbrtowc=no)])
23 if test $gl_cv_func_mbrtowc = yes; then
24 AC_DEFINE(HAVE_MBRTOWC, 1,
25 [Define to 1 if mbrtowc and mbstate_t are properly declared.])