1# Copyright 2023 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# 15# cmake build file for C++ helloworld example. 16# Assumes protobuf and gRPC have been installed using cmake. 17# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build 18# that automatically builds all the dependencies before building helloworld. 19 20cmake_minimum_required(VERSION 3.8) 21 22project(Multiplex C CXX) 23 24include(../cmake/common.cmake) 25 26# Proto file 27get_filename_component(hw_proto "../../protos/helloworld.proto" ABSOLUTE) 28get_filename_component(hw_proto_path "${hw_proto}" PATH) 29get_filename_component(rg_proto "../../protos/route_guide.proto" ABSOLUTE) 30get_filename_component(rg_proto_path "${rg_proto}" PATH) 31 32# Generated sources 33set(hw_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.cc") 34set(hw_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.h") 35set(hw_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.cc") 36set(hw_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.h") 37set(rg_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.pb.cc") 38set(rg_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.pb.h") 39set(rg_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.grpc.pb.cc") 40set(rg_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.grpc.pb.h") 41add_custom_command( 42 OUTPUT "${hw_proto_srcs}" "${hw_proto_hdrs}" "${hw_grpc_srcs}" "${hw_grpc_hdrs}" 43 "${rg_proto_srcs}" "${rg_proto_hdrs}" "${rg_grpc_srcs}" "${rg_grpc_hdrs}" 44 COMMAND ${_PROTOBUF_PROTOC} 45 ARGS --grpc_out "${CMAKE_CURRENT_BINARY_DIR}" 46 --cpp_out "${CMAKE_CURRENT_BINARY_DIR}" 47 -I "${rg_proto_path}" 48 --plugin=protoc-gen-grpc="${_GRPC_CPP_PLUGIN_EXECUTABLE}" 49 "${hw_proto}" "${rg_proto}" 50 DEPENDS "${hw_proto}" "${rg_proto}") 51 52# Include generated *.pb.h files 53include_directories("${CMAKE_CURRENT_BINARY_DIR}") 54 55# example_grpc_proto 56add_library(example_grpc_proto 57 ${hw_grpc_srcs} 58 ${hw_grpc_hdrs} 59 ${hw_proto_srcs} 60 ${hw_proto_hdrs} 61 ${rg_grpc_srcs} 62 ${rg_grpc_hdrs} 63 ${rg_proto_srcs} 64 ${rg_proto_hdrs} 65) 66target_link_libraries( 67 example_grpc_proto 68 ${_REFLECTION} 69 ${_GRPC_GRPCPP} 70 ${_PROTOBUF_LIBPROTOBUF}) 71 72# Targets multiplex_(client|server) 73foreach(_target multiplex_client multiplex_server) 74 add_executable(${_target} "${_target}.cc") 75 target_link_libraries(${_target} 76 example_grpc_proto 77 absl::flags 78 absl::flags_parse 79 ${_REFLECTION} 80 ${_GRPC_GRPCPP} 81 ${_PROTOBUF_LIBPROTOBUF}) 82endforeach() 83