--- 3rdparty/qwtplot3d/include/qwt3d_openglhelper.h.orig	2011-08-24 19:25:09.000000000 +0900
+++ 3rdparty/qwtplot3d/include/qwt3d_openglhelper.h	2012-04-15 18:51:08.000000000 +0900
@@ -6,6 +6,9 @@
 #include <qgl.h>
 #else
 #include <QtOpenGL/qgl.h>
+#ifndef __glu_h__
+#include <OpenGL/glu.h>
+#endif
 #endif
 
 namespace Qwt3D