include(CheckIncludeFileCXX) check_include_file_cxx("source_location" SOURCE_LOCATION_AVAILABLE) if(SOURCE_LOCATION_AVAILABLE) target_compile_definitions(clio_options INTERFACE "HAS_SOURCE_LOCATION") endif() check_include_file_cxx( "experimental/source_location" EXPERIMENTAL_SOURCE_LOCATION_AVAILABLE ) if(EXPERIMENTAL_SOURCE_LOCATION_AVAILABLE) target_compile_definitions( clio_options INTERFACE "HAS_EXPERIMENTAL_SOURCE_LOCATION" ) endif()