Index: head/audio/bshapr-lv2/Makefile
===================================================================
--- head/audio/bshapr-lv2/Makefile	(revision 518751)
+++ head/audio/bshapr-lv2/Makefile	(revision 518752)
@@ -1,31 +1,31 @@
 # $FreeBSD$
 
 PORTNAME=	bshapr
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.6-2
 DISTVERSIONSUFFIX=	-g1dbd6ee
 CATEGORIES=	audio
 PKGNAMESUFFIX=	-lv2
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Beat/envelope shaper LV2 plugin
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	lv2>0:audio/lv2 \
 		cmake:devel/cmake
 
-USES=		gmake gnome pkgconfig xorg
+USES=		compiler:c++11-lang gmake gnome pkgconfig xorg
 USE_GITHUB=	yes
 GH_ACCOUNT=	sjaehn
 GH_PROJECT=	BShapr
 USE_GNOME=	cairo
 USE_XORG=	x11
 
 MAKEFILE=	makefile
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/lv2/BShapr.lv2/*.so
 
 .include <bsd.port.mk>