view m4/wint_t.m4 @ 7852:72bd6a3bf181

* lib/wctype_.h [HAVE_WINT_T]: Include <stddef.h> before <wchar.h>, to work around BSDI bug in BSD/OS 4.0.1. * m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Likewise. * m4/wint_t.m4 (gt_TYPE_WINT_T): Likewise. Reported by Chris McGuire.
author Eric Blake <ebb9@byu.net>
date Wed, 10 Jan 2007 13:46:26 +0000
parents adff74659d81
children 53f97daf8db3
line wrap: on
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# wint_t.m4 serial 2 (gettext-0.12)
dnl Copyright (C) 2003, 2007 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 Bruno Haible.
dnl Test whether <wchar.h> has the 'wint_t' type.
dnl Prerequisite: AC_PROG_CC

AC_DEFUN([gt_TYPE_WINT_T],
[
  AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
    [AC_TRY_COMPILE([
/* 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>
       wint_t foo = (wchar_t)'\0';], ,
       gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
  if test $gt_cv_c_wint_t = yes; then
    AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
  fi
])