160000 commit 05b155ff59114735ec8cd089f669c4c3d8f59029	gflags
160000 commit 3df69d3aefde7671053d4e3c242b228e5d79c83f	openssl
160000 commit 644a6a1da71385e9d7a7a26b3476c93fdd71788c	protobuf
160000 commit 50893291621658f355bc5b4d450a8d06a563053d	zlib