-#serial 1
+# 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
-AC_DEFUN(jm_FUNC_MBRTOWC,
+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],
[
- AC_MSG_CHECKING([whether mbrtowc and mbstate_t are properly declared])
- AC_CACHE_VAL(jm_cv_func_mbrtowc,
- [AC_TRY_LINK(
- [#include <wchar.h>],
- [mbstate_t state; return ! (sizeof state && mbrtowc);],
- [jm_cv_func_mbrtowc=yes],
- [jm_cv_func_mbrtowc=no])])
- if test $jm_cv_func_mbrtowc = yes; then
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_MBRTOWC, 1,
+ 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
])