Picolibc makes atexit state per-thread instead of global, so we can't register destructors with atexit in a non-thread context as we won't have any TLS space initialized. Signed-off-by: Keith Packard <keithp@keithp.com>
New CPU FE310 from SiFive based on RISC-V architecture build: add makefile for RISC-V builds Makefile for builds using RISC-V tools