add_subdirectory(crc)
add_subdirectory_ifdef(CONFIG_JSON_LIBRARY          json)
if(NOT CONFIG_NATIVE_APPLICATION)
add_subdirectory(libc)
endif()
add_subdirectory_if_kconfig(ring_buffer)
add_subdirectory_if_kconfig(base64)
add_subdirectory(mempool)
add_subdirectory_ifdef(CONFIG_PTHREAD_IPC          posix)
add_subdirectory(rbtree)