Index: head/x11/virglrenderer/Makefile
===================================================================
--- head/x11/virglrenderer/Makefile	(revision 535679)
+++ head/x11/virglrenderer/Makefile	(revision 535680)
@@ -1,25 +1,25 @@
 # $FreeBSD$
 
 PORTNAME=	virglrenderer
 DISTVERSION=	0.8.2
 CATEGORIES=	x11
 
 MAINTAINER=	tcberner@FreeBSD.org
 COMMENT=	VirGL virtual OpenGL renderer
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	cmake:devel/cmake
 LIB_DEPENDS=	libdrm.so:graphics/libdrm \
 		libepoxy.so:graphics/libepoxy
 
-USES=		meson pkgconfig python:3.5+
+USES=		compiler:c++11-lang meson pkgconfig python:3.5+
 USE_GITLAB=	yes
 GL_SITE=	https://gitlab.freedesktop.org
 GL_ACCOUNT=	virgl
 GL_COMMIT=	7d204f3927be65fb3365dce01dbcd04d447a4985
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 
 .include <bsd.port.mk>