RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ eaf54ca571d5141dcc06b1fdc4dc4240c8e13607

Man, Jianting (Meco) ed1f8b3f64 Revert "add clang-arm support."		4 éve
..
nogcc	ed1f8b3f64 Revert "add clang-arm support."	4 éve
sys	6369e89502 [posix] POSIX standard implementation for PSE51 (#5384)	4 éve
SConscript	3c232125db [bsp][simulator] update project	4 éve
dirent.h	dd9db58a86 优化dfs.h和dirent.h的包含关系	4 éve
readme.md	f7548b934e [posix][dfs] move dfs_posix dfs_poll dfs_select.c to posix folder	4 éve
stdlib.c	c80688126a [libc] 优化system 支持gcc	4 éve
time.c	6369e89502 [posix] POSIX standard implementation for PSE51 (#5384)	4 éve

This folder is "common" for all toolchains.