Index: head/audio/qmidictl/Makefile
===================================================================
--- head/audio/qmidictl/Makefile	(revision 498524)
+++ head/audio/qmidictl/Makefile	(revision 498525)
@@ -1,19 +1,19 @@
 # $FreeBSD$
 
 PORTNAME=	qmidictl
 DISTVERSION=	0.5.3
 CATEGORIES=	audio
 MASTER_SITES=	SF
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	MIDI remote control application sending MIDI over UDP/IP multicast
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		gl gmake localbase pkgconfig qt:5
+USES=		compiler:c++11-lang gl gmake localbase pkgconfig qt:5
 GNU_CONFIGURE=	yes
 USE_QT=		core gui widgets qmake_build buildtools_build
 USE_GL=		gl
 
 .include <bsd.port.mk>