cmake_minimum_required(VERSION 3.5) # detect if Catch is being bundled, # disable testsuite in that case if(NOT DEFINED PROJECT_NAME) set(NOT_SUBPROJECT ON) endif() option(CATCH_INSTALL_DOCS "Install documentation alongside library" ON) option(CATCH_INSTALL_EXTRAS "Install extras alongside library" ON) option(CATCH_DEVELOPMENT_BUILD "Build tests, enable warnings, enable Werror, etc" OFF) 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_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) # 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 ${CMAKE_SOURCE_DIR}/CMakeCache.txt") endif() project(Catch2 LANGUAGES CXX VERSION 3.0.0) # Provide path for scripts list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake") include(GNUInstallDirs) include(CMakePackageConfigHelpers) include(CTest) # 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) set(BENCHMARK_DIR ${CATCH_DIR}/tests/Benchmark) set(EXAMPLES_DIR ${CATCH_DIR}/examples) # We need to bring-in the variables defined there to this scope add_subdirectory(src) # Build tests only if requested if (BUILD_TESTING AND CATCH_BUILD_TESTING AND NOT_SUBPROJECT) find_package(PythonInterp 3 REQUIRED) if (NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "Python not found, but required for tests") endif() add_subdirectory(tests) endif() if(CATCH_BUILD_EXAMPLES) add_subdirectory(examples) endif() if(CATCH_BUILD_EXTRA_TESTS) add_subdirectory(tests/ExtraTests) endif() if (CATCH_DEVELOPMENT_BUILD) add_warnings_to_targets("${CATCH_WARNING_TARGETS}") endif() #option(CATCH_USE_VALGRIND "Perform SelfTests with Valgrind" OFF) #option(CATCH_ENABLE_WERROR "Enable all warnings as errors" ON) # #set_property(GLOBAL PROPERTY USE_FOLDERS ON) # # # # # # 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} ) ## TODO: Catch2 main target? ## Install some cpp file as well? # By default, FooConfigVersion is tied to architecture that it was # generated on. Because Catch2 is header-only, it is arch-independent # and thus Catch2ConfigVersion should not be tied to the architecture # it was generated on. # # CMake does not provide a direct customization point for this in # `write_basic_package_version_file`, but it can be accomplished # indirectly by temporarily redefining `CMAKE_SIZEOF_VOID_P` to an # empty string. Note that just undefining the variable could be # insufficient in cases where the variable was already in CMake cache set(CATCH2_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P}) set(CMAKE_SIZEOF_VOID_P "") write_basic_package_version_file( "${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake" COMPATIBILITY SameMajorVersion ) set(CMAKE_SIZEOF_VOID_P ${CATCH2_CMAKE_SIZEOF_VOID_P}) install( FILES "${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}" ) endif() if(CATCH_INSTALL_EXTRAS) # Install CMake scripts install( FILES "extras/ParseAndAddCatchTests.cmake" "extras/Catch.cmake" "extras/CatchAddTests.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(NOT_SUBPROJECT)