On OpenBSD we just dropped the features that need systemd for now. There was some talk about porting some
systemd interfaces but the path GNOME is currently taking made us stop for now since it seems clearer each
day that systemd will be a hard requirement at some point (not just 'some' interfaces). Even if they do not
call it a hard requirement, you will loose 1/2 of what makes GNOME interesting which would render it
useless to us.
So for now it works ok enough I would say, but in the middle term, I don't see any future for !linux+systemd in
GNOME. While some people are really opened about keeping fallback code for ConsoleKit or portability
patches, some don't care at all or are even getting in our way on purpose.