devel/tnt was recently updated so it seems in order to update jama too as the changelog says "added TNT namespace to hypot() to QR algorithm." Fix: patch follows:
Responsible Changed From-To: freebsd-ports-bugs->novel I'll take it.
State Changed From-To: open->closed Committed, thanks! By the way, I think you can use something like "DISTNAME= ${PORTNAME}${PORTVERSION:S/.//g}src" instead of hardcoded value.