# wint_t.m4 serial 5 (gettext-0.18.2)

dnl Copyright (C) 2003, 2007-2014 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_COMPILE_IFELSE(

       [AC_LANG_PROGRAM(

          [[

/* 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

])