Testcase: math/onednn Warning: > WARN: Makefile: [61]: use of != in assignments is almost never a good thing to do. Try to avoid using them. See http://lists.freebsd.org/pipermail/freebsd-ports/2008-July/049777.html for some helpful hints on what to do instead. The correct line number is 63.
Yeah, this is something I've noticed for a while when it comes to regexp matching. It's not consistent, though. It requires a much deeper investigation.