Created attachment 577074 [details]
Downgrading to 2.28 makes it build again.
did you try with a newer util-linux version?
I just tested 2.33.2 and it built fine.
I would stabilize the newer version then, @base-system, ok with that?
please test and mark stable: =sys-apps/util-linux-2.33.2
arm64 stable, closing