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

https://github.com/ndowens/void-packages audacity
https://github.com/void-linux/void-packages/pull/27548

audacity: simplify cross-build patch
@sgn Since you taught me slightly on how to fix autotool cross-builds, wondering what you think of this?

Built locally and seems to have linked with libs I expected it to.

A patch file from https://github.com/void-linux/void-packages/pull/27548.patch is attached