qtgrpc/examples/grpc/chat/server/CMakeLists.txt

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# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(GrpcChatServer LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_FIND_PACKAGE_PREFER_CONFIG TRUE)
# Qt6::Grpc module is not used directly in this project. But this allows to find Qt6::Grpc's
# dependencies without setting extra cmake module paths.
find_package(Qt6 COMPONENTS Grpc)
find_package(protobuf)
find_package(gRPC)
if(NOT TARGET gRPC::grpc_cpp_plugin OR NOT TARGET WrapProtoc::WrapProtoc
OR NOT TARGET gRPC::grpc++)
message(WARNING "Dependencies of QtGrpc test server not found. Skipping.")
return()
endif()
if(MINGW)
message(WARNING "${PROJECT_NAME} uses reference grpc++ library that doesn't officially support"
" MinGW. Please use the MSVC compiler to build this example. The correct work is not"
" guaranteed otherwise.")
endif()
set(proto_files "${CMAKE_CURRENT_LIST_DIR}/../proto/simplechat.proto")
set(out_dir "${CMAKE_CURRENT_BINARY_DIR}")
set(generated_files
"${out_dir}/simplechat.pb.h" "${out_dir}/simplechat.pb.cc"
"${out_dir}/simplechat.grpc.pb.h" "${out_dir}/simplechat.grpc.pb.cc")
add_custom_command(
OUTPUT ${generated_files}
COMMAND
$<TARGET_FILE:WrapProtoc::WrapProtoc>
ARGS
--grpc_out "${out_dir}"
--cpp_out "${out_dir}"
"-I${CMAKE_CURRENT_LIST_DIR}/../proto/"
--plugin=protoc-gen-grpc=$<TARGET_FILE:gRPC::grpc_cpp_plugin>
"${proto_files}"
WORKING_DIRECTORY ${out_dir}
DEPENDS "${proto_files}"
COMMENT "Generating gRPC ${target} sources..."
COMMAND_EXPAND_LISTS
VERBATIM
)
set_source_files_properties(${generated_files} PROPERTIES GENERATED TRUE)
add_executable(grpcchatserver
${generated_files}
main.cpp
)
target_include_directories(grpcchatserver PRIVATE ${out_dir})
target_link_libraries(grpcchatserver PRIVATE gRPC::grpc++ protobuf::libprotobuf)
install(TARGETS grpcchatserver
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)