New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/28885#discussion_r579481172

Comment:
You can do `autogen.sh` in `pre_configure`, which is preferred. I think perl in host might make sense as well.

This depends on the resolution to https://github.com/void-linux/void-packages/pull/28544#issuecomment-782339333