Modern Cmake style

• Target centric
  • target_compile_definitions
  • target_compile_features
  • target_compile_options
  • target_include_directories
  • target_link_directories
  • target_link_libraries
  • target_link_options
  • target_precompile_headers
  • target_sources
  • get_target_property
  • set_target_properties
• Each target should fully describe how to use it
• Use PRIVATE, INTERFACE, PUBLIC keywords to specify the scope.

Structure

• add_library()
• add_executable()
• add_test()

Flow

cmake ..
cmake --build .

CLI

• cmake
• ccmake
• cmake-gui

Extensions

• CPack
• CTest
• CDash

Presets

• CMakePresets.json , CMakeUserPresets.json

Export And Install Expressions

• ?<BUILD_INTERFACE> - using build directory
• ?<INSTALL_INTERFACE> - used after target is installed

Reference

• import CMake, CMake and C++20 Modules - Bill Hoffman - CppCon 2022