2013-04-11 19:12:46 +00:00
|
|
|
# mbstate_t.m4 serial 13
|
|
|
|
|
dnl Copyright (C) 2000-2002, 2008-2013 Free Software Foundation, Inc.
|
2010-09-20 10:35:33 +00:00
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
# From Paul Eggert.
|
|
|
|
|
|
|
|
|
|
# BeOS 5 has <wchar.h> but does not define mbstate_t,
|
|
|
|
|
# so you can't declare an object of that type.
|
|
|
|
|
# Check for this incompatibility with Standard C.
|
|
|
|
|
|
|
|
|
|
# AC_TYPE_MBSTATE_T
|
|
|
|
|
# -----------------
|
|
|
|
|
AC_DEFUN([AC_TYPE_MBSTATE_T],
|
|
|
|
|
[
|
|
|
|
|
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11
|
|
|
|
|
|
|
|
|
|
AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],
|
|
|
|
|
[AC_COMPILE_IFELSE(
|
|
|
|
|
[AC_LANG_PROGRAM(
|
|
|
|
|
[AC_INCLUDES_DEFAULT[
|
2013-04-11 19:12:46 +00:00
|
|
|
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
|
|
|
|
|
<wchar.h>.
|
|
|
|
|
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
|
|
|
|
|
included before <wchar.h>. */
|
|
|
|
|
#include <stddef.h>
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <time.h>
|
|
|
|
|
#include <wchar.h>]],
|
2010-09-20 10:35:33 +00:00
|
|
|
[[mbstate_t x; return sizeof x;]])],
|
|
|
|
|
[ac_cv_type_mbstate_t=yes],
|
|
|
|
|
[ac_cv_type_mbstate_t=no])])
|
|
|
|
|
if test $ac_cv_type_mbstate_t = yes; then
|
|
|
|
|
AC_DEFINE([HAVE_MBSTATE_T], [1],
|
|
|
|
|
[Define to 1 if <wchar.h> declares mbstate_t.])
|
|
|
|
|
else
|
|
|
|
|
AC_DEFINE([mbstate_t], [int],
|
|
|
|
|
[Define to a type if <wchar.h> does not define.])
|
|
|
|
|
fi
|
|
|
|
|
])
|
