From 7c07835dbfa127d901cb490165ff92a375c9f09b Mon Sep 17 00:00:00 2001
From: Sean Harmer <sean.harmer@kdab.com>
Date: Fri, 5 Jun 2015 13:10:44 +0100
Subject: Fix compilation on OS X 10.8

Task-number: QTBUG-46143
Change-Id: I1ebf37c5f78f4532749d7b432bca367c51d7efdd
Reviewed-by: Tim Blechmann <tim@klingt.org>
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
---
 src/render/backend/qgraphicshelpergl3.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/render/backend/qgraphicshelpergl3.cpp b/src/render/backend/qgraphicshelpergl3.cpp
index cd2a5033b..1b0fde66f 100644
--- a/src/render/backend/qgraphicshelpergl3.cpp
+++ b/src/render/backend/qgraphicshelpergl3.cpp
@@ -117,12 +117,17 @@ void QGraphicsHelperGL3::drawArrays(GLenum primitiveType,
 
 void QGraphicsHelperGL3::setVerticesPerPatch(GLint verticesPerPatch)
 {
+#if defined(QT_OPENGL_4)
     if (!m_tessFuncs) {
         qWarning() << "Tessellation not supported with OpenGL 3 without GL_ARB_tessellation_shader";
         return;
     }
 
     m_tessFuncs->glPatchParameteri(GL_PATCH_VERTICES, verticesPerPatch);
+#else
+    Q_UNUSED(verticesPerPatch);
+    qWarning() << "Tessellation not supported";
+#endif
 }
 
 void QGraphicsHelperGL3::useProgram(GLuint programId)
-- 
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