cmake_minimum_required(VERSION 3.10) # detect if Catch is being bundled, # disable testsuite in that case if(NOT DEFINED PROJECT_NAME) set(NOT_SUBPROJECT ON) else() set(NOT_SUBPROJECT OFF) endif() option(CATCH_INSTALL_DOCS "Install documentation alongside library" ON) option(CATCH_INSTALL_EXTRAS "Install extras (CMake scripts, debugger helpers) alongside library" ON) option(CATCH_DEVELOPMENT_BUILD "Build tests, enable warnings, enable Werror, etc" OFF) option(CATCH_ENABLE_REPRODUCIBLE_BUILD "Add compiler flags for improving build reproducibility" ON) include(CMakeDependentOption) cmake_dependent_option(CATCH_BUILD_TESTING "Build the SelfTest project" ON "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_BUILD_EXAMPLES "Build code examples" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_BUILD_EXTRA_TESTS "Build extra tests" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_BUILD_FUZZERS "Build fuzzers" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_ENABLE_COVERAGE "Generate coverage for codecov.io" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_ENABLE_WERROR "Enables Werror during build" ON "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_BUILD_SURROGATES "Enable generating and building surrogate TUs for the main headers" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_ENABLE_CONFIGURE_TESTS "Enable CMake configuration tests. WARNING: VERY EXPENSIVE" OFF "CATCH_DEVELOPMENT_BUILD" OFF) cmake_dependent_option(CATCH_ENABLE_CMAKE_HELPER_TESTS "Enable CMake helper tests. WARNING: VERY EXPENSIVE" OFF "CATCH_DEVELOPMENT_BUILD" OFF) # Catch2's build breaks if done in-tree. You probably should not build # things in tree anyway, but we can allow projects that include Catch2 # as a subproject to build in-tree as long as it is not in our tree. if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt") endif() project(Catch2 VERSION 3.7.1 # CML version placeholder, don't delete LANGUAGES CXX # HOMEPAGE_URL is not supported until CMake version 3.12, which # we do not target yet. # HOMEPAGE_URL "https://github.com/catchorg/Catch2" DESCRIPTION "A modern, C++-native, unit test framework." ) # Provide path for scripts. We first add path to the scripts we don't use, # but projects including us might, and set the path up to parent scope. # Then we also add path that we use to configure the project, but is of # no use to top level projects. list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/extras") if (NOT NOT_SUBPROJECT) set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" PARENT_SCOPE) endif() list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake") include(GNUInstallDirs) include(CMakePackageConfigHelpers) include(CatchConfigOptions) if(CATCH_DEVELOPMENT_BUILD) include(CTest) endif() # This variable is used in some subdirectories, so we need it here, rather # than later in the install block set(CATCH_CMAKE_CONFIG_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Catch2") # We have some Windows builds that test `wmain` entry point, # and we need this change to be present in all binaries that # are built during these tests, so this is required here, before # the subdirectories are added. if(CATCH_TEST_USE_WMAIN) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ENTRY:wmainCRTStartup") endif() # Basic paths set(CATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(SOURCES_DIR ${CATCH_DIR}/src/catch2) set(SELF_TEST_DIR ${CATCH_DIR}/tests/SelfTest) # We need to bring-in the variables defined there to this scope add_subdirectory(src) # Build tests only if requested if (BUILD_TESTING AND CATCH_BUILD_TESTING AND NOT_SUBPROJECT) find_package(PythonInterp 3 REQUIRED) if (NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "Python not found, but required for tests") endif() add_subdirectory(tests) endif() if(CATCH_BUILD_EXAMPLES) add_subdirectory(examples) endif() if(CATCH_BUILD_EXTRA_TESTS) add_subdirectory(tests/ExtraTests) endif() if(CATCH_BUILD_FUZZERS) add_subdirectory(fuzzing) endif() if (CATCH_DEVELOPMENT_BUILD) add_warnings_to_targets("${CATCH_WARNING_TARGETS}") endif() # Only perform the installation steps when Catch is not being used as # a subproject via `add_subdirectory`, or the destinations will break, # see https://github.com/catchorg/Catch2/issues/1373 if (NOT_SUBPROJECT) configure_package_config_file( ${CMAKE_CURRENT_LIST_DIR}/CMake/Catch2Config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake INSTALL_DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) write_basic_package_version_file( "${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake" COMPATIBILITY SameMajorVersion ) install( FILES "${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake" DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) # Install documentation if(CATCH_INSTALL_DOCS) install( DIRECTORY docs/ DESTINATION "${CMAKE_INSTALL_DOCDIR}" PATTERN "doxygen" EXCLUDE ) endif() if(CATCH_INSTALL_EXTRAS) # Install CMake scripts install( FILES "extras/ParseAndAddCatchTests.cmake" "extras/Catch.cmake" "extras/CatchAddTests.cmake" "extras/CatchShardTests.cmake" "extras/CatchShardTestsImpl.cmake" DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) # Install debugger helpers install( FILES "extras/gdbinit" "extras/lldbinit" DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/Catch2 ) endif() ## Provide some pkg-config integration set(PKGCONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig" CACHE PATH "Path where catch2.pc is installed" ) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/CMake/catch2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/catch2.pc @ONLY ) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/CMake/catch2-with-main.pc.in ${CMAKE_CURRENT_BINARY_DIR}/catch2-with-main.pc @ONLY ) install( FILES "${CMAKE_CURRENT_BINARY_DIR}/catch2.pc" "${CMAKE_CURRENT_BINARY_DIR}/catch2-with-main.pc" DESTINATION ${PKGCONFIG_INSTALL_DIR} ) # CPack/CMake started taking the package version from project version 3.12 # So we need to set the version manually for older CMake versions if(${CMAKE_VERSION} VERSION_LESS "3.12.0") set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION}) endif() set(CPACK_PACKAGE_CONTACT "https://github.com/catchorg/Catch2/") include( CPack ) endif()