wint_t.m4 982 Bytes
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# wint_t.m4 serial 4 (gettext-0.18)
dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc.
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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],
[
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  AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
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    [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>
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       wint_t foo = (wchar_t)'\0';], ,
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       [gt_cv_c_wint_t=yes], [gt_cv_c_wint_t=no])])
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  if test $gt_cv_c_wint_t = yes; then
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    AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
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  fi
])