New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/21728#issuecomment-627669842

Comment:
The qt5-webengine template can also benefit from this. I'm not fully sure about bff002f3d8a845156dc00f7869056c41c2db8b0e yet, but there is imo no reason to not set the env vars always.