RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ b6e436bb59ad2cb2cd32f2e1bef960eeb191f7ee

réplica de https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

aozima f75c8f6e81 update SConscript: support scons 3.		%!s(int64=8) %!d(string=hai) anos
..
SConscript	f75c8f6e81 update SConscript: support scons 3.	%!s(int64=8) %!d(string=hai) anos
cairo-features.h	9fab1b316f add cairo building script.	%!s(int64=15) %!d(string=hai) anos