X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fvararrays.m4;h=b06b646ad02babfe54963e50c395742f1012f094;hb=77e666785ee842df490daf6a4e51c4b0645431e5;hp=def6ba457a07b254eac5b2ed3f983d152ef653b9;hpb=9fefaeaf9b1eab89331cb1e1945b494a8c68a7af;p=gnulib.git

diff --git a/m4/vararrays.m4 b/m4/vararrays.m4
index def6ba457..b06b646ad 100644
--- a/m4/vararrays.m4
+++ b/m4/vararrays.m4
@@ -1,10 +1,10 @@
 # Check for variable-length arrays.
 
-#serial 2
+# serial 4
 
 # From Paul Eggert
 
-# Copyright (C) 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2009-2011 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -13,13 +13,13 @@ AC_DEFUN([AC_C_VARARRAYS],
 [
   AC_CACHE_CHECK([for variable-length arrays],
     ac_cv_c_vararrays,
-    [AC_TRY_COMPILE(
-       [],
-       [static int x; char a[++x]; a[sizeof a - 1] = 0; return a[0];],
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+         [],
+         [[static int x; char a[++x]; a[sizeof a - 1] = 0; return a[0];]])],
        ac_cv_c_vararrays=yes,
        ac_cv_c_vararrays=no)])
   if test $ac_cv_c_vararrays = yes; then
-    AC_DEFINE(HAVE_C_VARARRAYS, 1,
+    AC_DEFINE([HAVE_C_VARARRAYS], [1],
       [Define to 1 if C supports variable-length arrays.])
   fi
 ])