There is a new pull request by q66 against master on the void-packages repository

https://github.com/void-ppc/void-packages mame
https://github.com/void-linux/void-packages/pull/16025

mame: readd relevant part of ppc patch
We still need 64-bit long double.

A patch file from https://github.com/void-linux/void-packages/pull/16025.patch is attached