From 29335262e4a2c94ff89b963b439227a8147e6293 Mon Sep 17 00:00:00 2001
From: Hans-Christian Ebke <ebke@cs.rwth-aachen.de>
Date: Wed, 7 Aug 2013 10:25:03 +0000
Subject: [PATCH] Fixing GCC deprecated attribute feature test.

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@901 fdac6126-5c0c-442c-9429-916003d36597
---
 src/OpenMesh/Core/System/config.h | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/OpenMesh/Core/System/config.h b/src/OpenMesh/Core/System/config.h
index c80ff7ac..64888c87 100644
--- a/src/OpenMesh/Core/System/config.h
+++ b/src/OpenMesh/Core/System/config.h
@@ -78,15 +78,18 @@
 #endif
 
 #if defined(_MSCVER)
-#define DEPRECATED(msg) __declspec(deprecated(msg))
-#elif defined(__GNUC__) || defined(__clang__)
-  #if GCC_VERSION >= 40500
-  #define DEPRECATED(msg) __attribute__ ((deprecated(msg)))
-  #else
-  #define DEPRECATED(msg) __attribute__ ((deprecated))
-  #endif
+#  define DEPRECATED(msg) __declspec(deprecated(msg))
+#elif defined(__GNUC__)
+#  include <features.h>
+#  if __GNUC_PREREQ(4,5)
+#    define DEPRECATED(msg) __attribute__ ((deprecated(msg)))
+#  else
+#    define DEPRECATED(msg) __attribute__ ((deprecated))
+#  endif
+#elif defined(__clang__)
+#  define DEPRECATED(msg) __attribute__ ((deprecated(msg)))
 #else
-#define DEPRECATED(msg)
+#  define DEPRECATED(msg)
 #endif
 
 typedef unsigned int uint;