zephyr_sources(thread_entry.c) zephyr_sources(fdtable.c) 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_POSIX_API posix) add_subdirectory_ifdef(CONFIG_CMSIS_RTOS_V1 cmsis_rtos_v1) add_subdirectory(rbtree)