Index: head/math/moo/Makefile
===================================================================
--- head/math/moo/Makefile	(revision 428255)
+++ head/math/moo/Makefile	(revision 428256)
@@ -1,19 +1,21 @@
 # Created by: Steven Kreuzer <skreuzer@f2o.org>
 # $FreeBSD$
 
 PORTNAME=	moo
 PORTVERSION=	1.3
 CATEGORIES=	math
 MASTER_SITES=	http://www.cyth.net/moo/
 EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	skreuzer@FreeBSD.org
 COMMENT=	Calculator that accepts C-like syntax as input
 
 PLIST_FILES=	bin/moo man/man1/moo.1.gz
 
+MAKE_JOBS_UNSAFE=	yes
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/moo ${STAGEDIR}${PREFIX}/bin/
 	${INSTALL_MAN} ${WRKSRC}/moo.1 ${STAGEDIR}${MANPREFIX}/man/man1
 
 .include <bsd.port.mk>