100644 blob f1761033a3e3ed1183f022bf15dbb7bfbc79ff33	BUILD
040000 tree 06b53eabe6e07d0c714dc0cdeef25f91d248f5ea	debian8_clang
040000 tree dd2e23978068fc34316617b481f8f906d1e4c686	ubuntu16_04_clang
040000 tree aded8abce83c5e719257c66a48124226c7dcc021	windows