New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/29028#issuecomment-786334386

Comment:
> I think this should be documented, right?

Absolutely, yes

> Especially because the syntax can be a bit weird.

Which part is weird? I guess you meant `LIBS=`?

> I guess you're using `LIBS` because it's what `gnu-configure` does?

Yeah, you're right.