Index: head/graphics/graphene/Makefile
===================================================================
--- head/graphics/graphene/Makefile	(revision 520632)
+++ head/graphics/graphene/Makefile	(revision 520633)
@@ -1,40 +1,40 @@
 # $FreeBSD$
 
 PORTNAME=	graphene
 PORTVERSION=	1.10.0
 CATEGORIES=	graphics devel
 MASTER_SITES=	GNOME
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	Optimizations for speeding up vector operations
 
 LICENSE=	MIT
 
-USES=		gnome meson pkgconfig python:3.4+ shebangfix tar:xz
+USES=		compiler:c11 gnome meson pkgconfig python:3.4+ shebangfix tar:xz
 USE_GNOME=	glib20 pygobject3
 USE_LDCONFIG=	yes
 
 OPTIONS_SUB=	yes
 OPTIONS_DEFINE=	DOCS #INTROSPECTION
 #OPTIONS_DEFAULT=INTROSPECTION
 
 SHEBANG_FILES=	src/identfilter.py
 
 USE_GNOME+=		introspection:build
 #INTROSPECTION_DESC=	Build Gobject Introspection
 #INTROSPECTION_USE=	gnome=introspection:build
 #INTROSPECTION_MESON_OFF=	-Denable-introspection=false
 
 DOCS_MESON_TRUE=	gtk_doc
 DOCS_BUILD_DEPENDS=	gtk-doc>0:textproc/gtk-doc
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|=python |=${PYTHON_VERSION} |g' \
 		${WRKSRC}/src/meson.build
 
 # We don't want install tests
 post-install:
 	@${RM} -rf ${STAGEDIR}${PREFIX}/libexec/installed-tests
 	@${RM} -rf ${STAGEDIR}${PREFIX}/share/installed-tests
 
 .include <bsd.port.mk>