160000 commit 05b155ff59114735ec8cd089f669c4c3d8f59029	gflags
160000 commit 3df69d3aefde7671053d4e3c242b228e5d79c83f	openssl
160000 commit 3e2c8a5dd79481e1d36572cdf65be93514ba6581	protobuf
160000 commit 50893291621658f355bc5b4d450a8d06a563053d	zlib