Index: head/biology/mummer/Makefile
===================================================================
--- head/biology/mummer/Makefile	(revision 487222)
+++ head/biology/mummer/Makefile	(revision 487223)
@@ -1,29 +1,29 @@
 # Created by: Tony Maher
 # $FreeBSD$
 
 PORTNAME=	mummer
 DISTVERSIONPREFIX=	v
 DISTVERSION=	4.0.0beta2-2
 DISTVERSIONSUFFIX=	-g277dac5
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Modular system for rapid whole genome alignment
 
 LICENSE=	ART10
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 BUILD_DEPENDS=	yaggo:devel/yaggo
 
-USES=		autoreconf gmake libtool perl5 shebangfix
+USES=		autoreconf compiler:c++11-lang gmake libtool perl5 shebangfix
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
 USE_GITHUB=	yes
 GH_ACCOUNT=	${PORTNAME}4
 USE_LDCONFIG=	yes
 
 SHEBANG_FILES=	scripts/*.pl
 perl_OLD_CMD=	__PERL_PATH
 _SHEBANG_REINPLACE_ARGS+=	-e "s|__BIN_DIR|${PREFIX}/bin|g;s|__AUX_BIN_DIR|${PREFIX}/libexec/mummer|g;s|__SCRIPT_DIR|${PREFIX}/libexec/mummer|g"
 
 .include <bsd.port.mk>