A GCC cross-compiler targeting Linux musl.
We currently build cross-compilers targeting many Linux architectures. See above for more info:
aarch64-unknown-linux-muslarm-unknown-linux-musleabihfarmv7l-unknown-linux-musleabihfi386-unknown-linux-muslpowerpc64le-unknown-linux-muslriscv64-unknown-linux-musls390x-unknown-linux-muslx86_64-unknown-linux-muslmips64-unknown-linux-musl
You can obtain releases from the releases page.