| Adam Tkac | fc4cd71 | 2009-03-11 11:14:37 +0000 | [diff] [blame] | 1 | # wchar_t.m4 serial 1 (gettext-0.12) |
| 2 | dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. |
| 3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, |
| 5 | dnl with or without modifications, as long as this notice is preserved. |
| 6 | |
| 7 | dnl From Bruno Haible. |
| 8 | dnl Test whether <stddef.h> has the 'wchar_t' type. |
| 9 | dnl Prerequisite: AC_PROG_CC |
| 10 | |
| 11 | AC_DEFUN([gt_TYPE_WCHAR_T], |
| 12 | [ |
| 13 | AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t, |
| 14 | [AC_TRY_COMPILE([#include <stddef.h> |
| 15 | wchar_t foo = (wchar_t)'\0';], , |
| 16 | gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)]) |
| 17 | if test $gt_cv_c_wchar_t = yes; then |
| 18 | AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.]) |
| 19 | fi |
| 20 | ]) |