Index: head/multimedia/clipgrab/Makefile
===================================================================
--- head/multimedia/clipgrab/Makefile	(revision 501897)
+++ head/multimedia/clipgrab/Makefile	(revision 501898)
@@ -1,42 +1,42 @@
 # Created by: Veniamin Gvozdikov <vg@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	clipgrab
 PORTVERSION=	3.7.2
 PORTREVISION=	1
 CATEGORIES=	multimedia
 MASTER_SITES=	https://download.clipgrab.org/
 
 PATCH_SITES=	https://gitlab.com/kikadf/clipgrab-qt5/raw/patches/patches/
 PATCHFILES=	clipgrab-qt5-${PORTVERSION}.patch:-p1
 
 MAINTAINER=	kikadf.01@gmail.com
 COMMENT=	Program to download videos from YouTube and etc
 
 LICENSE=	GPLv3
 
-USES=		qmake qt:5
+USES=		compiler:c++11-lang qmake qt:5
 USE_QT=		core dbus gui network webkit widgets xml buildtools_build
 
 LDFLAGS+=	-Wl,--as-needed # cf. PR 224488
 PLIST_FILES=	bin/${PORTNAME} \
 		${DATADIR}/icon.png \
 		${DATADIR}/logo.png \
 		${DATADIR}/paypal-logo.png \
 		${DATADIR}/splash.png
 
 DESKTOP_ENTRIES="Clipgrab" "Download and convert videos from YouTube and etc" \
 		"${DATADIR}/icon.png" "${PORTNAME}" \
 		"AudioVideo;" true
 
 QMAKE_SOURCE_PATH=	${WRKSRC}/${PORTNAME}.pro
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,img/,share/${PORTNAME}/,g' ${WRKSRC}/*.cpp
 
 do-install:
 	${MKDIR} ${STAGEDIR}${DATADIR}
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 	${INSTALL_DATA} ${WRKSRC}/*.png ${STAGEDIR}${DATADIR}
 
 .include <bsd.port.mk>