Index: head/biology/rampler/Makefile
===================================================================
--- head/biology/rampler/Makefile	(revision 562106)
+++ head/biology/rampler/Makefile	(revision 562107)
@@ -1,26 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	rampler
 DISTVERSION=	2.0.0
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Standalone module for sampling genomic sequences
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	bioparser>0:biology/bioparser \
 		${LOCALBASE}/include/biosoup/nucleic_acid.hpp:biology/biosoup
 
-USES=		cmake localbase
+USES=		cmake compiler:c++11-lang localbase
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	rvaser
 
 LDFLAGS+=	-lz
 
 PLIST_FILES=	bin/${PORTNAME}
 
 .include <bsd.port.mk>