Index: head/graphics/qtpbfimageplugin/Makefile
===================================================================
--- head/graphics/qtpbfimageplugin/Makefile	(revision 488915)
+++ head/graphics/qtpbfimageplugin/Makefile	(revision 488916)
@@ -1,26 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	qtpbfimageplugin
 DISTVERSION=	1.1
 CATEGORIES=	graphics
 
 MAINTAINER=	sikmir@gmail.com
 COMMENT=	Qt image plugin for displaying Mapbox vector tiles
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libprotobuf-lite.so:devel/protobuf
 
-USES=		gl qmake qt:5
+USES=		compiler:c++11-lang gl qmake qt:5
 USE_QT=		core gui buildtools_build
 USE_GL=		gl
 USE_LDCONFIG=	${PREFIX}/${QT_LIBDIR_REL}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	tumic0
 GH_PROJECT=	QtPBFImagePlugin
 
 PLIST_FILES=	${QT_PLUGINDIR}/imageformats/libpbf.so
 
 .include <bsd.port.mk>