cannot build in mac beacuse there is no protobuf library by default
Created by: icespring
CMake Error at /usr/local/Cellar/cmake/3.5.1/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:148 (message): Could NOT find Protobuf (missing: PROTOBUF_LIBRARY PROTOBUF_INCLUDE_DIR) Call Stack (most recent call first): /usr/local/Cellar/cmake/3.5.1/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:388 (_FPHSA_FAILURE_MESSAGE) /usr/local/Cellar/cmake/3.5.1/share/cmake/Modules/FindProtobuf.cmake:308 (FIND_PACKAGE_HANDLE_STANDARD_ARGS) tools/CMakeLists.txt:5 (find_package)
-- Configuring incomplete, errors occurred! See also "/Users/icespring/mdl/mobile-deep-learning/build/release/x86/CMakeFiles/CMakeOutput.log".
which can solve by install protoc