New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/26039#issuecomment-720112748

Comment:
Only because I touch cmake stuff frequently, doesn't mean that I'm experienced in that mess. It looks fine on first glance, and since it is dependent on CHROOT_READY not being set, it won't break anything actively even if it is wrong (which it doesn't look like).