+find_package(Qt COMPONENTS QtOpenGL)
+if ( NOT QT_QTOPENGL_FOUND )
+ message(FATAL_ERROR "QtOpenGL (most likely called libqt4-opengl-dev) not found.")
+else ( NOT QT_QTOPENGL_FOUND )
+ message(-- " Found QtOpenGL.")
+endif ( NOT QT_QTOPENGL_FOUND )
+find_library(Qt COMPONENTS QtOpenGL REQUIRED)