Index: head/biology/tRNAscan-SE/Makefile
===================================================================
--- head/biology/tRNAscan-SE/Makefile	(revision 503044)
+++ head/biology/tRNAscan-SE/Makefile	(revision 503045)
@@ -1,25 +1,27 @@
 # Created by: chuynh@biolateral.com.au
 # $FreeBSD$
 
 PORTNAME=	tRNAscan-SE
 PORTVERSION=	2.0.0
 PORTREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	http://lowelab.ucsc.edu/software/
 DISTFILES=	${DISTNAME:tl}${EXTRACT_SUFX}
 
 MAINTAINER=	mzaki@niid.go.jp
 COMMENT=	Searching for tRNA genes in genomic sequence
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	cmsearch:biology/infernal
 
 WRKSRC=		${WRKDIR}/${DISTNAME:S,.0$,,}
 
 GNU_CONFIGURE=	yes
 
-USES=		compiler:c11 perl5 autoreconf
+USES=		perl5 autoreconf
+
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.mk>