X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fwchar_t.m4;h=534735d8c6313f6dde9ab17dd5e3a320ca30a741;hb=75916debf8db46d3f7bee1923c88bcf37ffb9708;hp=ef422203d6e8040d149663af9b8d27a6291f5182;hpb=87b04f998fd3e668027074b5b5d37205d3cdfec3;p=gnulib.git

diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4
index ef422203d..534735d8c 100644
--- a/m4/wchar_t.m4
+++ b/m4/wchar_t.m4
@@ -1,10 +1,8 @@
-# wchar_t.m4 serial 1 (gettext-0.11.6)
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# wchar_t.m4 serial 4 (gettext-0.18.2)
+dnl Copyright (C) 2002-2003, 2008-2012 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.
@@ -12,11 +10,15 @@ dnl Prerequisite: AC_PROG_CC
 
 AC_DEFUN([gt_TYPE_WCHAR_T],
 [
-  AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
-    [AC_TRY_COMPILE([#include <stddef.h>
-       wchar_t foo = (wchar_t)'\0';], ,
-       gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
+  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.])
+    AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.])
   fi
 ])