Index: head/science/molsketch/Makefile
===================================================================
--- head/science/molsketch/Makefile	(revision 490104)
+++ head/science/molsketch/Makefile	(revision 490105)
@@ -1,30 +1,31 @@
 # $FreeBSD$
 
 PORTNAME=	molsketch
 DISTVERSION=	0.5.2
 DISTVERSIONSUFFIX=	-src
 CATEGORIES=	science
 MASTER_SITES=	SF/${PORTNAME}/Molsketch/Boron-11%20${DISTVERSION}/
 DISTNAME=	Molsketch-${DISTVERSIONFULL}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	2D molecule editor
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libopenbabel.so:science/openbabel
 
-USES=		cmake desktop-file-utils localbase:ldflags pkgconfig qt:5 shared-mime-info
+USES=		cmake compiler:c++11-lang desktop-file-utils localbase:ldflags \
+		pkgconfig qt:5 shared-mime-info
 USE_QT=		core gui network printsupport svg widgets buildtools_build qmake_build
 USE_LDCONFIG=	${PREFIX}/lib/molsketch
 
 CMAKE_ARGS=	-DMSK_PREFIX:STRING=${PREFIX}
 
 WRKSRC=		${WRKDIR}/Molsketch-${DISTVERSION}
 
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	*
 
 .include <bsd.port.mk>