--- triangle_mesh_viewer.h
+++ triangle_mesh_viewer.h
@@ -24,6 +24,7 @@
 #ifndef _triangle_mesh_viewer_h_
 #define _triangle_mesh_viewer_h_
 
+#include <GL/glu.h>
 #include "parameters_render.h"
 #include "random.h"
 #include "triangle_mesh.h"

--- fracplanet.pro
+++ fracplanet.pro
@@ -8,7 +8,7 @@
 
 HEADERS += $$system(ls *.h)
 SOURCES += $$system(ls *.cpp)
-LIBS += -lboost_program_options
+LIBS += -lboost_program_options -lGLU
 
 DEFINES += QT_DLL