老铁我编译错误，帮忙看看？

[siyehua]

└─[$]> cmake ..
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- Could NOT find OpenMP_C (missing: OpenMP_C_FLAGS OpenMP_C_LIB_NAMES) 
-- Could NOT find OpenMP_CXX (missing: OpenMP_CXX_FLAGS OpenMP_CXX_LIB_NAMES) 
-- Could NOT find OpenMP (missing: OpenMP_C_FOUND OpenMP_CXX_FOUND) 
-- CMAKE_INSTALL_PREFIX = /usr/local
CMake Deprecation Warning at ncnn/CMakeLists.txt:16 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- Could NOT find OpenMP_C (missing: OpenMP_C_FLAGS OpenMP_C_LIB_NAMES) 
-- Could NOT find OpenMP_CXX (missing: OpenMP_CXX_FLAGS OpenMP_CXX_LIB_NAMES) 
-- Could NOT find OpenMP (missing: OpenMP_C_FOUND OpenMP_CXX_FOUND) 
-- Could NOT find Protobuf (missing: Protobuf_LIBRARIES Protobuf_INCLUDE_DIR) 
CMake Warning at ncnn/tools/caffe/CMakeLists.txt:12 (message):
  Protobuf not found, caffe model convert tool won't be built


-- Could NOT find Protobuf (missing: Protobuf_LIBRARIES Protobuf_INCLUDE_DIR) 
CMake Warning at ncnn/tools/onnx/CMakeLists.txt:12 (message):
  Protobuf not found, onnx model convert tool won't be built


-- Configuring done (2.5s)
-- Generating done (0.1s)
-- Build files have been written to: /Users/william/cProject/MTCNN/build

上面是编译日志，我的 camke 是 3.30.5，编译日志中提到的 OpenMP_C， OpenMP_CXX， OpenMP， Protobuf 要安装吗？