It is also available in Arch-AUR in ready made and in git form
S6 and 66 on Void, does it work, does it boot ?
- Edited
I have been playing a bit and I have an sway desktop on void musl without elogind. Just seatd. It seems ok. I need to look for the dependencies inside xbps src though.
An interesting site explaining why not elogind: https://sr.ht/~kennylevinsen/seatd/