--- libavogadro/src/camera.cpp.orig	2016-06-08 14:19:45 UTC
+++ libavogadro/src/camera.cpp
@@ -36,6 +36,8 @@
 # include <GL/glu.h>
 #endif
 
+#include <GL/glu.h>
+
 using namespace Eigen;
 
 namespace Avogadro