libtorch-runtime/cmake-linux/grpc.cmake

# On how to build grpc, you may refer to https://github.com/grpc/grpc

set(grpc_build_dir "${LIB_BASE_DIR}/grpc-build")

if(NOT EXISTS ${grpc_build_dir})
    # install grpc
    execute_process(COMMAND mkdir -p "${grpc_build_dir}")

    message(STATUS "${BoldGreen}Install grpc third party library${ColourReset}")
    execute_process(
            COMMAND cmake
            -DgRPC_INSTALL=ON
            -DCMAKE_BUILD_TYPE=Release
            -DgRPC_PROTOBUF_PROVIDER=module
            -DgRPC_CARES_PROVIDER=module
            -DgRPC_ABSL_PROVIDER=module
            -DgRPC_RE2_PROVIDER=module
            -DgRPC_SSL_PROVIDER=module
            -DgRPC_ZLIB_PROVIDER=module
            -DgRPC_BUILD_TESTS=OFF
            -DCMAKE_INSTALL_PREFIX=${grpc_build_dir}
            -j6
            -fPIC
            -S ${LIB_BASE_DIR}/grpc-src
            -B ${grpc_build_dir}
            WORKING_DIRECTORY ${grpc_build_dir})
    execute_process(
            COMMAND cmake --build . -j4
            WORKING_DIRECTORY ${grpc_build_dir})
    execute_process(
            COMMAND cmake --install .
            WORKING_DIRECTORY ${grpc_build_dir})
    execute_process(COMMAND cp -rf ${LIB_BASE_DIR}/grpc-src/third_party/abseil-cpp/absl ${grpc_build_dir}/include)
    execute_process(
            COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/patch/grpc ${LIB_BASE_DIR}/grpc-build
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
    message("${BoldGreen}GRPC Installed !${ColourReset}")
endif()


set(gRPC_DIR  ${grpc_build_dir})
find_package(Threads REQUIRED)
find_package(protobuf REQUIRED)
find_package(gRPC CONFIG REQUIRED)

include_directories(${grpc_build_dir}/include)
link_directories(${grpc_build_dir}/lib)
# local proto file
set(grpc_BINARY_DIR "${grpc_build_dir}/bin")

message(${BoldGreen}
        protobuf_FOUND：${protobuf_FOUND} \n
        ${CMAKE_PREFIX_PATH} \n
        proto_file: ${grpc_BINARY_DIR}/protoc \n
        grpc_cpp_plugin：${grpc_BINARY_DIR}/grpc_cpp_plugin${ColourReset})

list(APPEND third_party_libraries gRPC::grpc++ gRPC::grpc++_reflection protobuf)