RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ ba83ddc3c4e2fc16865b43f87081ab403a4941a9

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

yangjie11 ba83ddc3c4 [SConscript] change libcpu to LIBARCH,and correcte letter case		hace 5 años
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sep6200	ba83ddc3c4 [SConscript] change libcpu to LIBARCH,and correcte letter case	hace 5 años
SConscript	bd8f0d0423 [libcpu] Fix the build directory issue	hace 7 años