find_package(Qt5OpenGL 5.2) set_package_properties(Qt5OpenGL PROPERTIES DESCRIPTION "C++ framework" URL http://qt-project.org) set_package_properties(Qt5OpenGL PROPERTIES TYPE RECOMMENDED PURPOSE "Building the examples") if(Qt5OpenGL_FOUND) SET(BUILD_EXAMPLES ON PARENT_SCOPE) ADD_SUBDIRECTORY(Basic) ADD_SUBDIRECTORY(Paging) ADD_SUBDIRECTORY(OpenGL) ADD_SUBDIRECTORY(SmoothLOD) ADD_SUBDIRECTORY(DecodeOnGPU) ADD_SUBDIRECTORY(Python) else() SET(BUILD_EXAMPLES OFF PARENT_SCOPE) endif()