Расскажите о построении билд-системы.cplus-17

cmake_minimum_required(VERSION 3.10)
project(MyProject)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

add_executable(my_app
    src/main.cpp
    src/utils.cpp
)

target_include_directories(my_app PRIVATE include)
target_link_libraries(my_app PRIVATE some_library)

cc_binary(
    name = "my_app",
    srcs = ["main.cpp", "utils.cpp"],
    deps = ["//libs:some_library"],
    copts = ["-std=c++17"],
)

project('myproject', 'cpp',
        default_options : ['cpp_std=c++17'])

executable('my_app',
           sources: ['src/main.cpp', 'src/utils.cpp'],
           include_directories: include,
           dependencies: [some_library_dep])

my_project/
├── CMakeLists.txt
├── include/
│   └── my_project/
│       └── header.h
├── src/
│   ├── main.cpp
│   └── utils.cpp
├── tests/
├── third_party/
└── build/

# Поиск пакетов
find_package(Boost 1.70 REQUIRED COMPONENTS filesystem system)

# FetchContent для зависимостей из репозиториев
include(FetchContent)
FetchContent_Declare(
  googletest
  GIT_REPOSITORY https://github.com/google/googletest.git
  GIT_TAG release-1.11.0
)
FetchContent_MakeAvailable(googletest)

# Настройка для разных конфигураций
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -O0")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")

# Генерация compile_commands.json для инструментов анализа
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

stages:
  - build
  - test

build_job:
  stage: build
  script:
    - mkdir -p build
    - cd build
    - cmake -DCMAKE_BUILD_TYPE=Release ..
    - cmake --build . --parallel

test_job:
  stage: test
  script:
    - cd build
    - ctest --output-on-failure

target_precompile_headers(my_app PRIVATE
    <vector>
    <string>
    "include/my_project/common.h"
)

# Включение поддержки модулей
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
enable_language(CXX)

# Добавление модулей
add_library(foo)
target_sources(foo
  PUBLIC FILE_SET cxx_modules TYPE CXX_MODULES
  BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
  FILES foo.cppm bar.cppm
)

# Обработка специфики платформ
if(WIN32)
    add_definitions(-DWINDOWS_PLATFORM)
    target_link_libraries(my_app PRIVATE ws2_32)
elseif(UNIX)
    add_definitions(-DPOSIX_PLATFORM)
endif()

set_target_properties(my_app PROPERTIES
    UNITY_BUILD ON
    UNITY_BUILD_BATCH_SIZE 10
)

cmake --graphviz=graph.dot ..
dot -Tpng graph.dot -o graph.png

ninja -t commands > build_commands.txt
ninja -t graph | dot -Tpng -o build_graph.png