Index: head/graphics/qt5-pixeltool/Makefile
===================================================================
--- head/graphics/qt5-pixeltool/Makefile	(revision 482564)
+++ head/graphics/qt5-pixeltool/Makefile	(revision 482565)
@@ -1,23 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	pixeltool
 DISTVERSION=	${QT5_VERSION}
 CATEGORIES=	graphics
 PKGNAMEPREFIX=	qt5-
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt 5 screen magnifier
 
 USE_QT=		core gui widgets buildtools_build
-USES=		qmake qt-dist:5,tools
+USES=		compiler:c++11-lang qmake qt-dist:5,tools
 
 # qt5logo.png is installed by qt5-widgets.
 DESKTOP_ENTRIES="Qt 5 PixelTool" "" \
 		"${PREFIX}/share/pixmaps/qt5logo.png" \
 		"${PREFIX}/${QT_BINDIR_REL}/pixeltool" \
 		"Graphics;Qt;" true
 
 BUILD_WRKSRC=	${WRKSRC}/src/${PORTNAME}
 INSTALL_WRKSRC=	${BUILD_WRKSRC}
 
 .include <bsd.port.mk>