if(UNIX)
    add_compile_options(-fPIC)
endif()
add_subdirectory(runtime)
add_subdirectory(aio)
add_subdirectory(zookeeper)
add_subdirectory(perf_counter)
add_subdirectory(failure_detector)
add_subdirectory(remote_cmd)
add_subdirectory(nfs)
add_subdirectory(block_service)
add_subdirectory(http)
add_subdirectory(client)
add_subdirectory(common)
add_subdirectory(replica)
add_subdirectory(meta)
add_subdirectory(tools)
add_subdirectory(utils)
