From 67221663fe46a29daf05e1e19282ad2228908991 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 30 May 2012 14:55:34 -0500
Subject: MAINT-616 Fix for mac build.

---
 indra/llrender/llglslshader.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'indra/llrender/llglslshader.cpp')

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 149e8cc548..7cbf39096e 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -174,10 +174,12 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
 		mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
 	}
 
+#ifdef GL_INTERLEAVED_ATTRIBS
 	if (varying_count > 0 && varyings)
 	{
 		glTransformFeedbackVaryings(mProgramObject, varying_count, varyings, GL_INTERLEAVED_ATTRIBS);
 	}
+#endif
 
 	// Map attributes and uniforms
 	if (success)
-- 
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