040000 tree d67ccc9512481e9e05c0cc6ee564e78bacd58036	build_app
040000 tree f7e994088b994001a78a523a0b7051d2456c90c5	build_enclave_sdk
040000 tree 9420c49264996cb0df3e8f6b5e16e3ea5bcf6046	build_host_sdk