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cmake_minimum_required(VERSION 3.5.1)
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project(MSClient C CXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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find_package(Threads REQUIRED)
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# This branch assumes that gRPC and all its dependencies are already installed
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# on this system, so they can be located by find_package().
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# Find Protobuf installation
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# Looks for protobuf-config.cmake file installed by Protobuf's cmake installation.
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option(GRPC_PATH "set grpc path")
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if(GRPC_PATH)
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set(CMAKE_PREFIX_PATH ${GRPC_PATH})
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set(protobuf_MODULE_COMPATIBLE TRUE)
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find_package(Protobuf CONFIG REQUIRED)
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message(STATUS "Using protobuf ${protobuf_VERSION}, CMAKE_PREFIX_PATH : ${CMAKE_PREFIX_PATH}")
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elseif(NOT GRPC_PATH AND grpc_ROOT)
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add_compile_definitions(_GLIBCXX_USE_CXX11_ABI=0)
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if (EXISTS ${grpc_ROOT}/lib64)
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set(gRPC_DIR "${grpc_ROOT}/lib64/cmake/grpc")
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elseif(EXISTS ${grpc_ROOT}/lib)
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set(gRPC_DIR "${grpc_ROOT}/lib/cmake/grpc")
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endif()
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add_library(protobuf::libprotobuf ALIAS protobuf::protobuf)
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add_executable(protobuf::libprotoc ALIAS protobuf::protoc)
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message(STATUS "serving using grpc_DIR : " ${gRPC_DIR})
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elseif(NOT gRPC_DIR AND NOT GRPC_PATH)
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message(FATAL_ERROR "please check gRPC. If the client is compiled separately，you can use the command: cmake -D GRPC_PATH=xxx\n" "XXX is the gRPC installation path")
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endif()
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if(CMAKE_CROSSCOMPILING)
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find_program(_PROTOBUF_PROTOC protoc)
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else()
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set(_PROTOBUF_PROTOC $<TARGET_FILE:protobuf::protoc>)
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endif()
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# Find gRPC installation
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# Looks for gRPCConfig.cmake file installed by gRPC's cmake installation.
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find_package(gRPC CONFIG REQUIRED)
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message(STATUS "Using gRPC ${gRPC_VERSION}")
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if(CMAKE_CROSSCOMPILING)
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find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin)
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else()
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set(_GRPC_CPP_PLUGIN_EXECUTABLE $<TARGET_FILE:gRPC::grpc_cpp_plugin>)
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endif()
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# Proto file
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get_filename_component(hw_proto "../../ms_service.proto" ABSOLUTE)
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get_filename_component(hw_proto_path "${hw_proto}" PATH)
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# Generated sources
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set(hw_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/ms_service.pb.cc")
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set(hw_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/ms_service.pb.h")
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set(hw_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/ms_service.grpc.pb.cc")
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set(hw_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/ms_service.grpc.pb.h")
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add_custom_command(
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OUTPUT "${hw_proto_srcs}" "${hw_proto_hdrs}" "${hw_grpc_srcs}" "${hw_grpc_hdrs}"
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COMMAND ${_PROTOBUF_PROTOC}
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ARGS --grpc_out "${CMAKE_CURRENT_BINARY_DIR}"
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--cpp_out "${CMAKE_CURRENT_BINARY_DIR}"
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-I "${hw_proto_path}"
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--plugin=protoc-gen-grpc="${_GRPC_CPP_PLUGIN_EXECUTABLE}"
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"${hw_proto}"
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DEPENDS "${hw_proto}")
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# Include generated *.pb.h files
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include_directories("${CMAKE_CURRENT_BINARY_DIR}")
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# Targets greeter_[async_](client|server)
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add_executable(ms_client "ms_client.cc"
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${hw_proto_srcs}
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${hw_grpc_srcs})
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target_link_libraries(ms_client
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gRPC::grpc++_reflection
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gRPC::grpc++
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protobuf::libprotobuf)
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