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-rw-r--r--m4/mbrtowc.m427
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+# mbrtowc.m4 serial 5
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert
+
+dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with
+dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
+
+AC_DEFUN([jm_FUNC_MBRTOWC],
+[
+ AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
+ 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_DEFINE(HAVE_MBRTOWC, 1,
+ [Define to 1 if mbrtowc and mbstate_t are properly declared.])
+ fi
+])