| # wchar_t.m4 serial 4 (gettext-0.18.2) |
| dnl Copyright (C) 2002-2003, 2008-2013 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 <stddef.h> has the 'wchar_t' type. |
| dnl Prerequisite: AC_PROG_CC |
| |
| AC_DEFUN([gt_TYPE_WCHAR_T], |
| [ |
| AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t], |
| [AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <stddef.h> |
| wchar_t foo = (wchar_t)'\0';]], |
| [[]])], |
| [gt_cv_c_wchar_t=yes], |
| [gt_cv_c_wchar_t=no])]) |
| if test $gt_cv_c_wchar_t = yes; then |
| AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.]) |
| fi |
| ]) |
