| # mbrtowc.m4 serial 8 |
| dnl Copyright (C) 2001-2002, 2004-2005 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 Paul Eggert |
| |
| dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with |
| dnl AC_FUNC_MBRTOWC, when autoconf 2.60 can be assumed everywhere. |
| |
| AC_DEFUN([gl_FUNC_MBRTOWC], |
| [ |
| dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. |
| AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], |
| gl_cv_func_mbrtowc, |
| [AC_LINK_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <wchar.h>]], |
| [[wchar_t wc; |
| char const s[] = ""; |
| size_t n = 1; |
| mbstate_t state; |
| return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])], |
| gl_cv_func_mbrtowc=yes, |
| gl_cv_func_mbrtowc=no)]) |
| if test $gl_cv_func_mbrtowc = yes; then |
| AC_DEFINE([HAVE_MBRTOWC], 1, |
| [Define to 1 if mbrtowc and mbstate_t are properly declared.]) |
| fi |
| ]) |
