cmake_minimum_required(VERSION 3.0) if(POLICY CMP0077) cmake_policy(SET CMP0077 NEW) endif() ################################################################################ ## DOCTEST ################################################################################ file(READ ${CMAKE_CURRENT_SOURCE_DIR}/scripts/version.txt ver) project(doctest VERSION ${ver} LANGUAGES CXX) # Determine if doctest is built as a subproject (using add_subdirectory) or if it is the main project. set(MAIN_PROJECT OFF) if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) set(MAIN_PROJECT ON) endif() option(DOCTEST_WITH_TESTS "Build tests/examples" ${MAIN_PROJECT}) option(DOCTEST_WITH_MAIN_IN_STATIC_LIB "Build a static lib (cmake target) with a default main entry point" ON) option(DOCTEST_NO_INSTALL "Skip the installation process" OFF) option(DOCTEST_USE_STD_HEADERS "Use std headers" OFF) add_library(${PROJECT_NAME} INTERFACE) add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME}) if(NOT CMAKE_VERSION VERSION_LESS 3.8) target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_11) endif() set(doctest_parts_folder "${CMAKE_CURRENT_SOURCE_DIR}/doctest/parts") set(doctest_folder "${CMAKE_CURRENT_SOURCE_DIR}/") # in order to have the mpi extension files, not included into the doctest.h single header if(MAIN_PROJECT) # use a special hidden version of the header which directly includes the 2 parts - proper reporting of file/line locations during dev target_include_directories(${PROJECT_NAME} INTERFACE $ $ $) # add a custom target that assembles the single header when any of the parts are touched add_custom_command( OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/doctest/doctest.h DEPENDS ${doctest_parts_folder}/doctest_fwd.h ${doctest_parts_folder}/doctest.cpp COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake/assemble_single_header.cmake COMMENT "assembling the single header") add_custom_target(assemble_single_header ALL DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/doctest/doctest.h) else() target_include_directories(${PROJECT_NAME} INTERFACE $) endif() # hack to support building on XCode 6 and 7 - propagate the definition to everything if(DEFINED DOCTEST_THREAD_LOCAL) target_compile_definitions(${PROJECT_NAME} INTERFACE DOCTEST_THREAD_LOCAL=${DOCTEST_THREAD_LOCAL}) endif() if(DOCTEST_USE_STD_HEADERS) target_compile_definitions(${PROJECT_NAME} INTERFACE DOCTEST_CONFIG_USE_STD_HEADERS) endif() ################################################################################ ## TESTS/EXAMPLES/HELPERS ################################################################################ if(${DOCTEST_WITH_MAIN_IN_STATIC_LIB}) add_library(${PROJECT_NAME}_with_main STATIC EXCLUDE_FROM_ALL ${doctest_parts_folder}/doctest.cpp) target_compile_definitions(${PROJECT_NAME}_with_main PRIVATE DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN) set_target_properties(${PROJECT_NAME}_with_main PROPERTIES CXX_STANDARD 11 CXX_STANDARD_REQUIRED ON) target_link_libraries(${PROJECT_NAME}_with_main PUBLIC ${PROJECT_NAME}) endif() if(MAIN_PROJECT AND DOCTEST_WITH_TESTS) include(scripts/cmake/common.cmake) add_subdirectory(examples/all_features) # for code coverage we want exactly one binary to be produced and exercised if(NOT DEFINED ENV{CODE_COVERAGE}) add_subdirectory(examples/exe_with_static_libs) add_subdirectory(examples/executable_dll_and_plugin) add_subdirectory(examples/combining_the_same_tests_built_differently_in_multiple_shared_objects) add_subdirectory(scripts/playground) add_subdirectory(examples/mpi) endif() endif() ################################################################################ ## PACKAGE SUPPORT ################################################################################ set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated") if(CMAKE_SYSTEM_NAME STREQUAL Linux) include(GNUInstallDirs) set(include_install_dir ${CMAKE_INSTALL_INCLUDEDIR}) set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}") else() set(include_install_dir "include") set(config_install_dir "lib/cmake/${PROJECT_NAME}") endif() set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake") set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake") set(targets_export_name "${PROJECT_NAME}Targets") set(namespace "${PROJECT_NAME}::") include(CMakePackageConfigHelpers) # CMake automatically adds an architecture compatibility check to make sure # 32 and 64 bit code is not accidentally mixed. For a header-only library this # is not required. The check can be disabled by temporarily unsetting # CMAKE_SIZEOF_VOID_P. In CMake 3.14 and later this can be achieved more cleanly # with write_basic_package_version_file(ARCH_INDEPENDENT). # TODO: Use this once a newer CMake can be required. set(DOCTEST_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P}) unset(CMAKE_SIZEOF_VOID_P) write_basic_package_version_file( "${version_config}" VERSION ${PROJECT_VERSION} COMPATIBILITY SameMajorVersion ) set(CMAKE_SIZEOF_VOID_P ${DOCTEST_SIZEOF_VOID_P}) configure_file("scripts/cmake/Config.cmake.in" "${project_config}" @ONLY) if(NOT ${DOCTEST_NO_INSTALL}) install( TARGETS ${PROJECT_NAME} EXPORT "${targets_export_name}" INCLUDES DESTINATION "${include_install_dir}" ) install( FILES "doctest/doctest.h" DESTINATION "${include_install_dir}/doctest" ) install( FILES "${project_config}" "${version_config}" DESTINATION "${config_install_dir}" ) install( FILES "scripts/cmake/doctest.cmake" "scripts/cmake/doctestAddTests.cmake" DESTINATION "${config_install_dir}" ) install( EXPORT "${targets_export_name}" NAMESPACE "${namespace}" DESTINATION "${config_install_dir}" ) endif()