if (TARGET mo2::dds-header) return() endif() get_filename_component(_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_FILE}" PATH) get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH) get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH) add_library(mo2::dds-header INTERFACE IMPORTED) target_include_directories(mo2::dds-header INTERFACE ${_IMPORT_PREFIX}/include/DDS)