--- include/qwt3d_openglhelper.h.orig	2012-05-29 15:07:16.000000000 -0400
+++ include/qwt3d_openglhelper.h	2012-05-29 15:08:16.000000000 -0400
@@ -5,6 +5,7 @@
 #if QT_VERSION < 0x040000
 #include <qgl.h>
 #else
+#include <OpenGL/glu.h>
 #include <QtOpenGL/qgl.h>
 #endif