Merge branch 'upstream' into dfsg-orig

[tar] / m4 / wchar_t.m4

diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4
index ed804e664ba7933d42051ff3f240e82f9d787998..a133e6ad5868f04247375563e72273e8e43512ab 100644 (file)
--- a/m4/wchar_t.m4
+++ b/m4/wchar_t.m4
@@ -1,4 +1,4 @@
-# wchar_t.m4 serial 3 (gettext-0.18)
+# wchar_t.m4 serial 4 (gettext-0.18.2)
 dnl Copyright (C) 2002-2003, 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,9 +11,13 @@ 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_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