I'm using dev-util/sh on my rv board, it work well, please keyword riscv. tatt report also looks good: USE tests started on Fri Feb 17 11:29:11 -00 2023 FEATURES=' test' USE='' succeeded for =dev-util/sh-3.6.0 USE='-man' succeeded for =dev-util/sh-3.6.0 USE='man' succeeded for =dev-util/sh-3.6.0
Thanks @dlan.