cmakemodules/find_local_module.cmake

Function ( FindLocalModule MODULE_NAME MODULE_PATH )

    Get_Property ( IS_INCLUDED GLOBAL PROPERTY __find_local_module_${MODULE_NAME} )
    If ( NOT IS_INCLUDED )
        Add_Subdirectory ( ${MODULE_PATH}/
                           ${CMAKE_BINARY_DIR}/subprojects/${MODULE_NAME}/ )
        Set_Property ( GLOBAL PROPERTY __find_local_module_${MODULE_NAME} TRUE )
    EndIf ( )

EndFunction ( )