160000 commit 05b155ff59114735ec8cd089f669c4c3d8f59029	gflags
160000 commit 4ac0329582829f5378d8078c8d314ad37db87736	openssl
160000 commit 644a6a1da71385e9d7a7a26b3476c93fdd71788c	protobuf
160000 commit 50893291621658f355bc5b4d450a8d06a563053d	zlib