New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/issues/29034#issuecomment-826367673

Comment:
You can create a musl masterdir with `./xbps-src -m masterdir-musl binary-bootstrap x86_64-musl` and use it :)

And for libatomic, testing with `armv6l` (instead of the musl one) should be enough.