Index: head/audio/sc3-plugins/Makefile
===================================================================
--- head/audio/sc3-plugins/Makefile	(revision 487929)
+++ head/audio/sc3-plugins/Makefile	(revision 487930)
@@ -1,39 +1,39 @@
 # $FreeBSD$
 
 PORTNAME=	sc3-plugins
 DISTVERSIONPREFIX=	Version-
 DISTVERSION=	3.9.0
 PORTREVISION=	4
 CATEGORIES=	audio
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Extension plugins for the SuperCollider3 audio synthesis server
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/license.txt
 
 BUILD_DEPENDS=	${LOCALBASE}/include/SuperCollider/SCVersion.txt:audio/supercollider \
 		${LOCALBASE}/include/boost/intrusive/unordered_set.hpp:devel/boost-libs \
 		${LOCALBASE}/include/fftw3.h:math/fftw3
 LIB_DEPENDS=	libfftw3f.so:math/fftw3-float \
 		libstk.so:audio/stk
 
 OPTIONS_DEFINE=	SUPERNOVA
 OPTIONS_DEFAULT=	SUPERNOVA
 SUPERNOVA_DESC=	Build plugins for supernova
 OPTIONS_SUB=	yes
 
-USES=		cmake:outsource localbase pkgconfig
+USES=		compiler:c++11-lang cmake:outsource localbase pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	supercollider
 GH_TUPLE=	timblechmann:nova-simd:3140689:n/external_libraries/nova-simd
 CMAKE_ARGS+=	-DSYSTEM_STK:BOOL=ON
 CMAKE_ARGS+=	-DSC_PATH:STRING=${LOCALBASE}/include/SuperCollider/ # see https://github.com/supercollider/sc3-plugins/issues/170
 SUPERNOVA_CMAKE_BOOL=	SUPERNOVA
 
 post-patch:
 	@${REINPLACE_CMD} -e ' \
 		s|/usr/local|${PREFIX}|' \
 		${WRKSRC}/cmake_modules/*.cmake
 
 .include <bsd.port.mk>