find_path(LIBCUCKOO_ROOT include/libcuckoo/cuckoohash_map.hh) if(LIBCUCKOO_ROOT) set(LIBCUCKOO_FOUND TRUE) set(LIBCUCKOO_INCLUDE_DIRS "${LIBCUCKOO_ROOT}/include") else() message("Can't find libcuckoo!") if(LibCuckoo_FIND_REQUIRED) message(FATAL_ERROR "Missing required package libcuckoo") endif() endif()