FreeCAD

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macro(SetupOpenGL)
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# -------------------------------- OpenGL --------------------------------
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    find_package(OpenGL)
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    include(FindPackageMessage)
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    if(OPENGL_GLU_FOUND)
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        find_package_message(OPENGL_GLU
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            "Found OpenGLU: ${OPENGL_glu_LIBRARY}"
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            "[${OPENGL_glu_LIBRARY}][${OPENGL_INCLUDE_DIR}]")
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    else(OPENGL_GLU_FOUND)
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        message(FATAL_ERROR "======================\n"
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                            "GLU library not found.\n"
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                            "======================\n")
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    endif(OPENGL_GLU_FOUND)
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endmacro(SetupOpenGL)
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