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

https://github.com/sgn/void-packages liquid-dsp
https://github.com/void-linux/void-packages/pull/28013

GitHub Action: build on push to non-master branches
See https://github.com/sgn/void-packages/actions/runs/493766269

A patch file from https://github.com/void-linux/void-packages/pull/28013.patch is attached