There is a new pull request by st3r4g against master on the void-packages repository

https://github.com/st3r4g/void-packages mesa-fix-dbg
https://github.com/void-linux/void-packages/pull/17820

[RFC] mesa: reorganize dri drivers subpkgs (fixes debug info)
Opening a new PR as https://github.com/void-linux/void-packages/pull/15683 was closed by mistake.

A patch file from https://github.com/void-linux/void-packages/pull/17820.patch is attached