2 dnl Copyright (C) 2001-2002, 2004-2005, 2008 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.
9 dnl This override of an autoconf macro can be removed when autoconf 2.60 or
10 dnl newer can be assumed everywhere.
12 m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.60]),[-1],[
13 AC_DEFUN([AC_FUNC_MBRTOWC],
15 dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
16 AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
20 [[#include <wchar.h>]],
25 return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
26 gl_cv_func_mbrtowc=yes,
27 gl_cv_func_mbrtowc=no)])
28 if test $gl_cv_func_mbrtowc = yes; then
29 AC_DEFINE([HAVE_MBRTOWC], 1,
30 [Define to 1 if mbrtowc and mbstate_t are properly declared.])