diff --git a/examples/cpp/cmake/common.cmake b/examples/cpp/cmake/common.cmake new file mode 100644 index 00000000000..6650ff892aa --- /dev/null +++ b/examples/cpp/cmake/common.cmake @@ -0,0 +1,123 @@ +# Copyright 2018 gRPC authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# cmake build file for C++ route_guide example. +# Assumes protobuf and gRPC have been installed using cmake. +# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build +# that automatically builds all the dependencies before building route_guide. + +cmake_minimum_required(VERSION 3.5.1) + +set (CMAKE_CXX_STANDARD 11) + +if(MSVC) + add_definitions(-D_WIN32_WINNT=0x600) +endif() + +find_package(Threads REQUIRED) + +if(GRPC_AS_SUBMODULE) + # One way to build a projects that uses gRPC is to just include the + # entire gRPC project tree via "add_subdirectory". + # This approach is very simple to use, but the are some potential + # disadvantages: + # * it includes gRPC's CMakeLists.txt directly into your build script + # without and that can make gRPC's internal setting interfere with your + # own build. + # * depending on what's installed on your system, the contents of submodules + # in gRPC's third_party/* might need to be available (and there might be + # additional prerequisites required to build them). Consider using + # the gRPC_*_PROVIDER options to fine-tune the expected behavior. + # + # A more robust approach to add dependency on gRPC is using + # cmake's ExternalProject_Add (see cmake_externalproject/CMakeLists.txt). + + # Include the gRPC's cmake build (normally grpc source code would live + # in a git submodule called "third_party/grpc", but this example lives in + # the same repository as gRPC sources, so we just look a few directories up) + add_subdirectory(../../.. ${CMAKE_CURRENT_BINARY_DIR}/grpc EXCLUDE_FROM_ALL) + message(STATUS "Using gRPC via add_subdirectory.") + + # After using add_subdirectory, we can now use the grpc targets directly from + # this build. + set(_PROTOBUF_LIBPROTOBUF libprotobuf) + set(_REFLECTION grpc++_reflection) + if(CMAKE_CROSSCOMPILING) + find_program(_PROTOBUF_PROTOC protoc) + else() + set(_PROTOBUF_PROTOC $) + endif() + set(_GRPC_GRPCPP grpc++) + if(CMAKE_CROSSCOMPILING) + find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) + else() + set(_GRPC_CPP_PLUGIN_EXECUTABLE $) + endif() +elseif(GRPC_FETCHCONTENT) + # Another way is to use CMake's FetchContent module to clone gRPC at + # configure time. This makes gRPC's source code available to your project, + # similar to a git submodule. + message(STATUS "Using gRPC via add_subdirectory (FetchContent).") + include(FetchContent) + FetchContent_Declare( + grpc + GIT_REPOSITORY https://github.com/grpc/grpc.git + # when using gRPC, you will actually set this to an existing tag, such as + # v1.25.0, v1.26.0 etc.. + # For the purpose of testing, we override the tag used to the commit + # that's currently under test. + GIT_TAG vGRPC_TAG_VERSION_OF_YOUR_CHOICE) + FetchContent_MakeAvailable(grpc) + + # Since FetchContent uses add_subdirectory under the hood, we can use + # the grpc targets directly from this build. + set(_PROTOBUF_LIBPROTOBUF libprotobuf) + set(_REFLECTION grpc++_reflection) + set(_PROTOBUF_PROTOC $) + set(_GRPC_GRPCPP grpc++) + if(CMAKE_CROSSCOMPILING) + find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) + else() + set(_GRPC_CPP_PLUGIN_EXECUTABLE $) + endif() +else() + # This branch assumes that gRPC and all its dependencies are already installed + # on this system, so they can be located by find_package(). + + # Find Protobuf installation + # Looks for protobuf-config.cmake file installed by Protobuf's cmake installation. + set(protobuf_MODULE_COMPATIBLE TRUE) + find_package(Protobuf CONFIG REQUIRED) + message(STATUS "Using protobuf ${Protobuf_VERSION}") + + set(_PROTOBUF_LIBPROTOBUF protobuf::libprotobuf) + set(_REFLECTION gRPC::grpc++_reflection) + if(CMAKE_CROSSCOMPILING) + find_program(_PROTOBUF_PROTOC protoc) + else() + set(_PROTOBUF_PROTOC $) + endif() + + # Find gRPC installation + # Looks for gRPCConfig.cmake file installed by gRPC's cmake installation. + find_package(gRPC CONFIG REQUIRED) + message(STATUS "Using gRPC ${gRPC_VERSION}") + + set(_GRPC_GRPCPP gRPC::grpc++) + if(CMAKE_CROSSCOMPILING) + find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) + else() + set(_GRPC_CPP_PLUGIN_EXECUTABLE $) + endif() +endif() diff --git a/examples/cpp/helloworld/CMakeLists.txt b/examples/cpp/helloworld/CMakeLists.txt index 7fe4ad399b2..f1c3147393e 100644 --- a/examples/cpp/helloworld/CMakeLists.txt +++ b/examples/cpp/helloworld/CMakeLists.txt @@ -1,160 +1,69 @@ -# Copyright 2018 gRPC authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# -# cmake build file for C++ helloworld example. -# Assumes protobuf and gRPC have been installed using cmake. -# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build -# that automatically builds all the dependencies before building helloworld. - -cmake_minimum_required(VERSION 3.5.1) - -project(HelloWorld C CXX) - -if(NOT MSVC) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") -else() - add_definitions(-D_WIN32_WINNT=0x600) -endif() - -find_package(Threads REQUIRED) - -if(GRPC_AS_SUBMODULE) - # One way to build a projects that uses gRPC is to just include the - # entire gRPC project tree via "add_subdirectory". - # This approach is very simple to use, but the are some potential - # disadvantages: - # * it includes gRPC's CMakeLists.txt directly into your build script - # without and that can make gRPC's internal setting interfere with your - # own build. - # * depending on what's installed on your system, the contents of submodules - # in gRPC's third_party/* might need to be available (and there might be - # additional prerequisites required to build them). Consider using - # the gRPC_*_PROVIDER options to fine-tune the expected behavior. - # - # A more robust approach to add dependency on gRPC is using - # cmake's ExternalProject_Add (see cmake_externalproject/CMakeLists.txt). - - # Include the gRPC's cmake build (normally grpc source code would live - # in a git submodule called "third_party/grpc", but this example lives in - # the same repository as gRPC sources, so we just look a few directories up) - add_subdirectory(../../.. ${CMAKE_CURRENT_BINARY_DIR}/grpc EXCLUDE_FROM_ALL) - message(STATUS "Using gRPC via add_subdirectory.") - - # After using add_subdirectory, we can now use the grpc targets directly from - # this build. - set(_PROTOBUF_LIBPROTOBUF libprotobuf) - set(_REFLECTION grpc++_reflection) - if(CMAKE_CROSSCOMPILING) - find_program(_PROTOBUF_PROTOC protoc) - else() - set(_PROTOBUF_PROTOC $) - endif() - set(_GRPC_GRPCPP grpc++) - if(CMAKE_CROSSCOMPILING) - find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) - else() - set(_GRPC_CPP_PLUGIN_EXECUTABLE $) - endif() -elseif(GRPC_FETCHCONTENT) - # Another way is to use CMake's FetchContent module to clone gRPC at - # configure time. This makes gRPC's source code available to your project, - # similar to a git submodule. - message(STATUS "Using gRPC via add_subdirectory (FetchContent).") - include(FetchContent) - FetchContent_Declare( - grpc - GIT_REPOSITORY https://github.com/grpc/grpc.git - # when using gRPC, you will actually set this to an existing tag, such as - # v1.25.0, v1.26.0 etc.. - # For the purpose of testing, we override the tag used to the commit - # that's currently under test. - GIT_TAG vGRPC_TAG_VERSION_OF_YOUR_CHOICE) - FetchContent_MakeAvailable(grpc) - - # Since FetchContent uses add_subdirectory under the hood, we can use - # the grpc targets directly from this build. - set(_PROTOBUF_LIBPROTOBUF libprotobuf) - set(_REFLECTION grpc++_reflection) - set(_PROTOBUF_PROTOC $) - set(_GRPC_GRPCPP grpc++) - if(CMAKE_CROSSCOMPILING) - find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) - else() - set(_GRPC_CPP_PLUGIN_EXECUTABLE $) - endif() -else() - # This branch assumes that gRPC and all its dependencies are already installed - # on this system, so they can be located by find_package(). - - # Find Protobuf installation - # Looks for protobuf-config.cmake file installed by Protobuf's cmake installation. - set(protobuf_MODULE_COMPATIBLE TRUE) - find_package(Protobuf CONFIG REQUIRED) - message(STATUS "Using protobuf ${Protobuf_VERSION}") - - set(_PROTOBUF_LIBPROTOBUF protobuf::libprotobuf) - set(_REFLECTION gRPC::grpc++_reflection) - if(CMAKE_CROSSCOMPILING) - find_program(_PROTOBUF_PROTOC protoc) - else() - set(_PROTOBUF_PROTOC $) - endif() - - # Find gRPC installation - # Looks for gRPCConfig.cmake file installed by gRPC's cmake installation. - find_package(gRPC CONFIG REQUIRED) - message(STATUS "Using gRPC ${gRPC_VERSION}") - - set(_GRPC_GRPCPP gRPC::grpc++) - if(CMAKE_CROSSCOMPILING) - find_program(_GRPC_CPP_PLUGIN_EXECUTABLE grpc_cpp_plugin) - else() - set(_GRPC_CPP_PLUGIN_EXECUTABLE $) - endif() -endif() - -# Proto file -get_filename_component(hw_proto "../../protos/helloworld.proto" ABSOLUTE) -get_filename_component(hw_proto_path "${hw_proto}" PATH) - -# Generated sources -set(hw_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.cc") -set(hw_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.h") -set(hw_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.cc") -set(hw_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.h") -add_custom_command( - OUTPUT "${hw_proto_srcs}" "${hw_proto_hdrs}" "${hw_grpc_srcs}" "${hw_grpc_hdrs}" - COMMAND ${_PROTOBUF_PROTOC} - ARGS --grpc_out "${CMAKE_CURRENT_BINARY_DIR}" - --cpp_out "${CMAKE_CURRENT_BINARY_DIR}" - -I "${hw_proto_path}" - --plugin=protoc-gen-grpc="${_GRPC_CPP_PLUGIN_EXECUTABLE}" - "${hw_proto}" - DEPENDS "${hw_proto}") - -# Include generated *.pb.h files -include_directories("${CMAKE_CURRENT_BINARY_DIR}") - -# Targets greeter_[async_](client|server) -foreach(_target - greeter_client greeter_server - greeter_async_client greeter_async_client2 greeter_async_server) - add_executable(${_target} "${_target}.cc" - ${hw_proto_srcs} - ${hw_grpc_srcs}) - target_link_libraries(${_target} - ${_REFLECTION} - ${_GRPC_GRPCPP} - ${_PROTOBUF_LIBPROTOBUF}) -endforeach() +# Copyright 2018 gRPC authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# cmake build file for C++ helloworld example. +# Assumes protobuf and gRPC have been installed using cmake. +# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build +# that automatically builds all the dependencies before building helloworld. + +cmake_minimum_required(VERSION 3.5.1) + +project(HelloWorld C CXX) + +include(../cmake/common.cmake) + +# Proto file +get_filename_component(hw_proto "../../protos/helloworld.proto" ABSOLUTE) +get_filename_component(hw_proto_path "${hw_proto}" PATH) + +# Generated sources +set(hw_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.cc") +set(hw_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.pb.h") +set(hw_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.cc") +set(hw_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/helloworld.grpc.pb.h") +add_custom_command( + OUTPUT "${hw_proto_srcs}" "${hw_proto_hdrs}" "${hw_grpc_srcs}" "${hw_grpc_hdrs}" + COMMAND ${_PROTOBUF_PROTOC} + ARGS --grpc_out "${CMAKE_CURRENT_BINARY_DIR}" + --cpp_out "${CMAKE_CURRENT_BINARY_DIR}" + -I "${hw_proto_path}" + --plugin=protoc-gen-grpc="${_GRPC_CPP_PLUGIN_EXECUTABLE}" + "${hw_proto}" + DEPENDS "${hw_proto}") + +# Include generated *.pb.h files +include_directories("${CMAKE_CURRENT_BINARY_DIR}") + +# hw_grpc_proto +add_library(hw_grpc_proto + ${hw_grpc_srcs} + ${hw_grpc_hdrs} + ${hw_proto_srcs} + ${hw_proto_hdrs}) +target_link_libraries(hw_grpc_proto + ${_REFLECTION} + ${_GRPC_GRPCPP} + ${_PROTOBUF_LIBPROTOBUF}) + +# Targets greeter_[async_](client|server) +foreach(_target + greeter_client greeter_server + greeter_async_client greeter_async_client2 greeter_async_server) + add_executable(${_target} "${_target}.cc") + target_link_libraries(${_target} + hw_grpc_proto + ${_REFLECTION} + ${_GRPC_GRPCPP} + ${_PROTOBUF_LIBPROTOBUF}) +endforeach() diff --git a/examples/cpp/route_guide/CMakeLists.txt b/examples/cpp/route_guide/CMakeLists.txt new file mode 100644 index 00000000000..08840c18ada --- /dev/null +++ b/examples/cpp/route_guide/CMakeLists.txt @@ -0,0 +1,80 @@ +# Copyright 2018 gRPC authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# cmake build file for C++ route_guide example. +# Assumes protobuf and gRPC have been installed using cmake. +# See cmake_externalproject/CMakeLists.txt for all-in-one cmake build +# that automatically builds all the dependencies before building route_guide. + +cmake_minimum_required(VERSION 3.5.1) + +project(RouteGuide C CXX) + +include(../cmake/common.cmake) + +# Proto file +get_filename_component(rg_proto "../../protos/route_guide.proto" ABSOLUTE) +get_filename_component(rg_proto_path "${rg_proto}" PATH) + +# Generated sources +set(rg_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.pb.cc") +set(rg_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.pb.h") +set(rg_grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.grpc.pb.cc") +set(rg_grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/route_guide.grpc.pb.h") +add_custom_command( + OUTPUT "${rg_proto_srcs}" "${rg_proto_hdrs}" "${rg_grpc_srcs}" "${rg_grpc_hdrs}" + COMMAND ${_PROTOBUF_PROTOC} + ARGS --grpc_out "${CMAKE_CURRENT_BINARY_DIR}" + --cpp_out "${CMAKE_CURRENT_BINARY_DIR}" + -I "${rg_proto_path}" + --plugin=protoc-gen-grpc="${_GRPC_CPP_PLUGIN_EXECUTABLE}" + "${rg_proto}" + DEPENDS "${rg_proto}") + +# Include generated *.pb.h files +include_directories("${CMAKE_CURRENT_BINARY_DIR}") + +# rg_grpc_proto +add_library(rg_grpc_proto + ${rg_grpc_srcs} + ${rg_grpc_hdrs} + ${rg_proto_srcs} + ${rg_proto_hdrs}) +target_link_libraries(rg_grpc_proto + ${_REFLECTION} + ${_GRPC_GRPCPP} + ${_PROTOBUF_LIBPROTOBUF}) + +# route_guide_helper +add_library(route_guide_helper + "helper.h" + "helper.cc") +target_link_libraries(route_guide_helper + rg_grpc_proto + ${_REFLECTION} + ${_GRPC_GRPCPP} + ${_PROTOBUF_LIBPROTOBUF}) + +# Targets route_guide_(client|server) +foreach(_target + route_guide_client route_guide_server) + add_executable(${_target} + "${_target}.cc") + target_link_libraries(${_target} + rg_grpc_proto + route_guide_helper + ${_REFLECTION} + ${_GRPC_GRPCPP} + ${_PROTOBUF_LIBPROTOBUF}) +endforeach()