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) else() set(NOT_SUBPROJECT OFF) endif() # 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 ${CMAKE_SOURCE_DIR}/CMakeCache.txt") endif() project(Catch2 LANGUAGES CXX VERSION 2.13.8) # Provide path for scripts list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake") include(GNUInstallDirs) option(CATCH_USE_VALGRIND "Perform SelfTests with Valgrind" OFF) option(CATCH_BUILD_TESTING "Build SelfTest project" ON) option(CATCH_BUILD_EXAMPLES "Build documentation examples" OFF) option(CATCH_BUILD_EXTRA_TESTS "Build extra tests" OFF) option(CATCH_BUILD_STATIC_LIBRARY "Builds static library from the main implementation. EXPERIMENTAL" OFF) option(CATCH_ENABLE_COVERAGE "Generate coverage for codecov.io" OFF) option(CATCH_ENABLE_WERROR "Enable all warnings as errors" ON) option(CATCH_INSTALL_DOCS "Install documentation alongside library" ON) option(CATCH_INSTALL_HELPERS "Install contrib alongside library" ON) # define some folders set(CATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(SELF_TEST_DIR ${CATCH_DIR}/projects/SelfTest) set(BENCHMARK_DIR ${CATCH_DIR}/projects/Benchmark) set(HEADER_DIR ${CATCH_DIR}/include) if(USE_WMAIN) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ENTRY:wmainCRTStartup") endif() if(NOT_SUBPROJECT) include(CTest) set_property(GLOBAL PROPERTY USE_FOLDERS ON) if(BUILD_TESTING AND CATCH_BUILD_TESTING) find_package(PythonInterp) if (NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "Python not found, but required for tests") endif() add_subdirectory(projects) endif() endif() if(CATCH_BUILD_EXAMPLES) add_subdirectory(examples) endif() if(CATCH_BUILD_EXTRA_TESTS) add_subdirectory(projects/ExtraTests) endif() # add catch as a 'linkable' target add_library(Catch2 INTERFACE) # depend on some obvious c++11 features so the dependency is transitively added dependents target_compile_features(Catch2 INTERFACE cxx_alignas cxx_alignof cxx_attributes cxx_auto_type cxx_constexpr cxx_defaulted_functions cxx_deleted_functions cxx_final cxx_lambdas cxx_noexcept cxx_override cxx_range_for cxx_rvalue_references cxx_static_assert cxx_strong_enums cxx_trailing_return_types cxx_unicode_literals cxx_user_literals cxx_variadic_macros ) target_include_directories(Catch2 INTERFACE $ $ ) if (ANDROID) target_link_libraries(Catch2 INTERFACE log) endif() # provide a namespaced alias for clients to 'link' against if catch is included as a sub-project add_library(Catch2::Catch2 ALIAS Catch2) # Hacky support for compiling the impl into a static lib if (CATCH_BUILD_STATIC_LIBRARY) add_library(Catch2WithMain ${CMAKE_CURRENT_LIST_DIR}/src/catch_with_main.cpp) target_link_libraries(Catch2WithMain PUBLIC Catch2) add_library(Catch2::Catch2WithMain ALIAS Catch2WithMain) # Make the build reproducible on versions of g++ and clang that supports -ffile-prefix-map if(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND NOT ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 8) OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND NOT ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 10)) target_compile_options(Catch2WithMain PRIVATE "-ffile-prefix-map=${CMAKE_SOURCE_DIR}=.") endif() endif(CATCH_BUILD_STATIC_LIBRARY) # 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) include(CMakePackageConfigHelpers) set(CATCH_CMAKE_CONFIG_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Catch2") configure_package_config_file( ${CMAKE_CURRENT_LIST_DIR}/CMake/Catch2Config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake INSTALL_DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) # Workaround lack of generator expressions in install(TARGETS set(InstallationTargets Catch2) if (TARGET Catch2WithMain) list(APPEND InstallationTargets Catch2WithMain) endif() # create and install an export set for catch target as Catch2::Catch install( TARGETS ${InstallationTargets} EXPORT Catch2Targets DESTINATION ${CMAKE_INSTALL_LIBDIR} ) install( EXPORT Catch2Targets NAMESPACE Catch2:: DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) # 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 ${CATCH2_CMAKE_SIZEOF_VOID_P}) install( DIRECTORY "single_include/" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" ) 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_HELPERS) # Install CMake scripts install( FILES "contrib/ParseAndAddCatchTests.cmake" "contrib/Catch.cmake" "contrib/CatchAddTests.cmake" DESTINATION ${CATCH_CMAKE_CONFIG_DESTINATION} ) # Install debugger helpers install( FILES "contrib/gdbinit" "contrib/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 ${CMAKE_CURRENT_BINARY_DIR}/catch2.pc @ONLY ) install( FILES "${CMAKE_CURRENT_BINARY_DIR}/catch2.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)