CMake: система сборки для C++ проектов

1cmake_minimum_required(VERSION 3.20)
2project(MyApp VERSION 1.0 LANGUAGES CXX)
3
4set(CMAKE_CXX_STANDARD 20)
5set(CMAKE_CXX_STANDARD_REQUIRED ON)
6
7add_executable(myapp main.cpp)

1add_executable(myapp
2    src/main.cpp
3    src/utils.cpp
4    src/parser.cpp
5)
6
7target_include_directories(myapp PRIVATE include)
8target_compile_options(myapp PRIVATE -Wall -Wextra -Werror)

1add_library(mylib STATIC
2    src/lib.cpp
3    src/helper.cpp
4)
5
6target_include_directories(mylib PUBLIC include)
7target_compile_features(mylib PUBLIC cxx_std_20)

1add_library(mylib SHARED
2    src/lib.cpp
3)
4
5set_target_properties(mylib PROPERTIES
6    VERSION 1.0.0
7    SOVERSION 1
8)

1add_executable(myapp main.cpp)
2target_link_libraries(myapp PRIVATE mylib)

1find_package(Threads REQUIRED)
2find_package(Boost REQUIRED COMPONENTS filesystem system)
3
4target_link_libraries(myapp PRIVATE
5    Threads::Threads
6    Boost::filesystem
7    Boost::system
8)

1include(FetchContent)
2
3FetchContent_Declare(
4    fmt
5    GIT_REPOSITORY https://github.com/fmtlib/fmt.git
6    GIT_TAG 10.1.1
7)
8FetchContent_MakeAvailable(fmt)
9
10target_link_libraries(myapp PRIVATE fmt::fmt)

1# conanfile.txt
2[requires]
3fmt/10.1.1
4nlohmann_json/3.11.2
5
6[generators]
7CMakeDeps
8CMakeToolchain
9
10# Сборка
11# conan install . --output-folder=build --build=missing
12# cmake -B build -S . -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake

1# vcpkg.json
2{
3  "name": "myapp",
4  "version-string": "1.0.0",
5  "dependencies": ["fmt", "nlohmann-json"]
6}
7
8# Сборка
9# cmake -B build -S . -DCMAKE_TOOLCHAIN_FILE=[vcpkg root]/scripts/buildsystems/vcpkg.cmake

1enable_testing()
2find_package(GTest REQUIRED)
3
4add_executable(tests test/test_main.cpp)
5target_link_libraries(tests PRIVATE GTest::gtest_main mylib)
6
7add_test(NAME MyAppTests COMMAND tests)

1install(TARGETS myapp mylib
2    RUNTIME DESTINATION bin
3    LIBRARY DESTINATION lib
4    ARCHIVE DESTINATION lib
5)
6
7install(DIRECTORY include/ DESTINATION include)

1# Генерация конфига для find_package
2install(EXPORT mylibTargets
3    FILE mylibTargets.cmake
4    NAMESPACE mylib::
5    DESTINATION lib/cmake/mylib
6)