Andrew Kelley d2445764a9 restore -target wasm32-freestanding-musl for C headers
See #5854

Some tiny tweaks too:
 * Use `wasm-freestanding-musl` instead of `wasm32-freestanding-musl`,
   making it pointer-size-agnostic.
 * Fix trying to build non-existent wasm musl start files.
2020-11-30 20:58:31 -07:00
..
2019-07-15 17:54:50 -04:00
2020-11-06 13:53:47 -07:00