From f587af0af19afb52a2b8411f071defe420f8d48d Mon Sep 17 00:00:00 2001
From: Leslie Linden <leslie@lindenlab.com>
Date: Mon, 11 Jul 2011 15:16:56 -0700
Subject: Build fix for Mac OS X.

---
 indra/llrender/llvertexbuffer.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index b96023f613..82c5efe0ac 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -70,11 +70,15 @@ const U32 FENCE_WAIT_TIME_NANOSECONDS = 10000;  //1 ms
 class LLGLSyncFence : public LLGLFence
 {
 public:
+#ifdef GL_ARB_sync
 	GLsync mSync;
+#endif
 	
 	LLGLSyncFence()
 	{
+#ifdef GL_ARB_sync
 		mSync = 0;
+#endif
 	}
 
 	~LLGLSyncFence()
@@ -108,8 +112,8 @@ public:
 				static S32 waits = 0;
 				waits++;
 			}
-#endif
 		}
+#endif
 	}
 
 
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