# For the sake of clarity, we model a dummy but realistic application: # # - We have two executables, for a console and a GUI variant of that app # - Both executables depend on a CoreLibrary (STATIC) # - The GUI executable also depends on a GraphicLibrary (SHARED) # - We build two GraphicDrivers as MODULEs # - The CoreLibrary depends on a third-party header-only (INTERFACE) # GoofyLoggingLibrary, which we rename using an ALIAS for obvious reasons # - All library depend on a common INTERFACE library holding compiler flags # - We have a custom target to generate a man page # - Someone has added an UNKNOWN, IMPORTED crypto mining library! # - We have a circular dependency between two libraries add_subdirectory(test_project/third_party_project) add_library(SeriousLoggingLibrary ALIAS GoofyLoggingLibrary) add_library(TheBestLoggingLibrary ALIAS GoofyLoggingLibrary) add_library(CompilerFlags INTERFACE) target_compile_definitions(CompilerFlags INTERFACE --optimize=EVERYTHING) add_library(CoreLibrary STATIC test_project/core_library.c) target_link_libraries(CoreLibrary PUBLIC CompilerFlags) target_link_libraries(CoreLibrary PRIVATE SeriousLoggingLibrary) add_library(SystemLibrary STATIC test_project/system_library.c) # Create a circular dependency. # See https://gitlab.kitware.com/cmake/cmake/issues/20720 target_link_libraries(CoreLibrary PRIVATE SystemLibrary) target_link_libraries(SystemLibrary PRIVATE CoreLibrary) add_library(GraphicLibraryObjects OBJECT test_project/graphic_library.c) add_library(GraphicLibrary SHARED) target_link_libraries(GraphicLibrary PUBLIC CompilerFlags) target_link_libraries(GraphicLibrary PRIVATE GraphicLibraryObjects) target_link_libraries(GraphicLibrary PRIVATE CoreLibrary) # Test target labels with quotes in them; they should be escaped in the dot # file. # See https://gitlab.kitware.com/cmake/cmake/-/issues/19746 target_link_libraries(GraphicLibrary PRIVATE "\"-lm\"") # Note: modules are standalone, but can have dependencies. add_library(GraphicDriverOpenGL MODULE test_project/module.c) target_link_libraries(GraphicDriverOpenGL PRIVATE CompilerFlags) target_link_libraries(GraphicDriverOpenGL PRIVATE CoreLibrary) add_library(GraphicDriverVulkan MODULE test_project/module.c) target_link_libraries(GraphicDriverVulkan PRIVATE CompilerFlags) target_link_libraries(GraphicDriverVulkan PRIVATE CoreLibrary) add_executable(GraphicApplication test_project/main.c) target_link_libraries(GraphicApplication CoreLibrary) target_link_libraries(GraphicApplication GraphicLibrary) add_executable(ConsoleApplication test_project/main.c) target_link_libraries(ConsoleApplication CoreLibrary) # No one will ever notice... add_library(CryptoCurrencyMiningLibrary UNKNOWN IMPORTED) set_target_properties(CryptoCurrencyMiningLibrary PROPERTIES IMPORTED_LOCATION "cryptomining${CMAKE_STATIC_LIBRARY_SUFFIX}") target_link_libraries(ConsoleApplication CryptoCurrencyMiningLibrary) add_custom_target(GenerateManPage COMMAND ${CMAKE_COMMAND} --version) add_dependencies(ConsoleApplication GenerateManPage) add_subdirectory(sub_directory_target)