There is an updated pull request by ScrelliCopter against master on the void-packages repository

https://github.com/ScrelliCopter/void-packages dumbutils
https://github.com/void-linux/void-packages/pull/18472

dumb: make allegro4, examples optional & build the latter as dumb-examples
The reference players are actually quite useful so I think it's worth packaging them.

A patch file from https://github.com/void-linux/void-packages/pull/18472.patch is attached