160000 commit 65e1cd70ea80535552cfb66b727cff989be244f6	build-tools
040000 tree da8373caa60fd3b51530047ef9e901e8addfc832	clang
040000 tree a0907986aaff58ed0f30f7241de5a4f496ae034d	gcc
160000 commit 10812113a483a5ea697c65e1135cb543532141b5	libprotobuf
160000 commit 5441686b3414f82c61ebced45e2c1dbd98eed0c0	rust