add_subdirectory(common)
add_subdirectory(distribution)
add_subdirectory(emissions)
add_subdirectory(geom)
add_subdirectory(importio)
add_subdirectory(iodevices)
add_subdirectory(options)
add_subdirectory(shapes)
add_subdirectory(traci)
add_subdirectory(vehicle)
add_subdirectory(xml)
if (FOX_FOUND)
    add_subdirectory(foxtools)
    add_subdirectory(gui)
endif ()
