From 05754bfdfe2fd37547bf7998a7e8d297800738a1 Mon Sep 17 00:00:00 2001
From: Kai Tietz <ktietz70@googlemail.com>
Date: Sat, 27 Feb 2010 10:31:01 +0000
Subject: [PATCH] Add __GNU_EXTENSION macro for enabling gcc's extension on
 demand.

svn path=/branches/header-work/; revision=45692
---
 include/ddk/wdm.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index 4f1523395da..b15bea4b1cd 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1,6 +1,15 @@
 #ifndef _WDMDDK_
 #define _WDMDDK_
 
+/* Helper macro to enable gcc's extension.  */
+#ifndef __GNU_EXTENSION
+#ifdef __GNUC__
+#define __GNU_EXTENSION __extension__
+#else
+#define __GNU_EXTENSION
+#endif
+#endif
+
 //
 // Dependencies
 //