macro(find_catch2_and_define_test_target) if (TARGET TestInterface) set(TestInterface_EXISTS 1) endif() if(NOT Catch2_FOUND) message("Loading Catch2 and defining test targets for ${CMAKE_CURRENT_LIST_DIR}") find_package(Catch2 REQUIRED) if(NOT TestInterface_EXISTS) add_library(TestInterface INTERFACE) endif() if(Catch2_FOUND) message(" found Catch2, version: ${Catch2_VERSION}") if(NOT TARGET Catch2::Catch2WithMain) message(SEND_ERROR "Tests depend on Catch2::Catch2WithMain, but Catch2 was built without " "it. To fix this, build Catch2 with CATCH_BUILD_STATIC_LIBRARY=ON\n" "(see: https://github.com/catchorg/Catch2/releases/tag/v2.13.5)") endif() if(NOT TestInterface_EXISTS) target_link_libraries(TestInterface INTERFACE ${PROJECT_NAME} Catch2::Catch2WithMain) if(NOT ${Catch2_VERSION} VERSION_GREATER_EQUAL "3") target_compile_definitions(TestInterface INTERFACE TESTS_CATCH2_USE_OLD_HEADER=1) endif() endif() endif() endif() endmacro()