040000 tree dde1d1bd17312d443d55d12c3579e85fc49f6333	android
040000 tree 5786c082ec1a325c130e950e74bcbd7cf262d049	cpufeatures
040000 tree a9aeb9bbccafef1f59e1a7d267d5e54577d3b1b6	cxx-stl
040000 tree 18edf6003aa91f85d167ad6a2b8d37f8a2aedb34	host-tools