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# Copyright 2018 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# cmake build file for C++ helloworld example.
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# Assumes protobuf and gRPC have been installed using cmake.
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# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build
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# that automatically builds all the dependencies before building helloworld.
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cmake_minimum_required(VERSION 3.5.1)
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project(HelloWorld C CXX)
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include(../cmake/common.cmake)
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# Proto file
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get_filename_component(hw_proto "../../protos/helloworld.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}/helloworld.pb.cc")
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set(hw_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.h")
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set(hw_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.cc")
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set(hw_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.h")
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add_custom_command(
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OUTPUT "${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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# hw_grpc_proto
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add_library(hw_grpc_proto
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${hw_grpc_srcs}
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${hw_grpc_hdrs}
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${hw_proto_srcs}
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${hw_proto_hdrs})
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target_link_libraries(hw_grpc_proto
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${_REFLECTION}
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${_GRPC_GRPCPP}
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${_PROTOBUF_LIBPROTOBUF})
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# Targets greeter_[async_](client|server)
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foreach(_target
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greeter_client greeter_server
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greeter_async_client greeter_async_client2 greeter_async_server)
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add_executable(${_target} "${_target}.cc")
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target_link_libraries(${_target}
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hw_grpc_proto
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${_REFLECTION}
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${_GRPC_GRPCPP}
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${_PROTOBUF_LIBPROTOBUF})
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endforeach()
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