From bdcddc10f80f05e9471207dd503fad861cfac1b1 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 3 Feb 2010 09:35:36 +0000
Subject: [PATCH] Added #define for GL3 build

---
 src/osgDB/ObjectWrapper.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/osgDB/ObjectWrapper.cpp b/src/osgDB/ObjectWrapper.cpp
index 9f07d9eee..102b274e3 100644
--- a/src/osgDB/ObjectWrapper.cpp
+++ b/src/osgDB/ObjectWrapper.cpp
@@ -44,6 +44,10 @@
 
 #include <sstream>
 
+#ifndef GL_PERSPECTIVE_CORRECTION_HINT
+    #define GL_PERSPECTIVE_CORRECTION_HINT 0x0C50
+#endif
+
 using namespace osgDB;
 
 void osgDB::split( const std::string& src, StringList& list, char separator )