Index: head/x11-wm/hikari/Makefile
===================================================================
--- head/x11-wm/hikari/Makefile	(revision 526231)
+++ head/x11-wm/hikari/Makefile	(revision 526232)
@@ -1,46 +1,46 @@
 # $FreeBSD$
 
 PORTNAME=	hikari
 DISTVERSION=	1.0.0-alpha3
 CATEGORIES=	x11-wm
 MASTER_SITES=	https://acmelabs.space/~raichoo/
 
 MAINTAINER=	ports@xanderio.de
 COMMENT=	Stacking Wayland compositor with tiling capabilities
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	evdev-proto>0:devel/evdev-proto \
 		wayland-protocols>=1.14:graphics/wayland-protocols \
 		wlroots>=0.9.0<0.11.0:x11-toolkits/wlroots
 LIB_DEPENDS=	libepoll-shim.so:devel/libepoll-shim \
 		libinput.so:x11/libinput \
 		libucl.so:textproc/libucl \
 		libwayland-server.so:graphics/wayland \
 		libwlroots.so:x11-toolkits/wlroots \
 		libxkbcommon.so:x11/libxkbcommon
 
-USES=		gnome pkgconfig xorg
+USES=		compiler:c11 gnome pkgconfig xorg
 USE_GNOME=	cairo glib20 pango
 USE_XORG=	pixman
 ALL_TARGET=	${WITH_DEBUG:Ddebug}
 PLIST_FILES=	"${MAYBE_SUID}bin/${PORTNAME}" \
 		"${MAYBE_SUID}bin/${PORTNAME}-unlocker"
 PORTEXAMPLES=	${PORTNAME}.conf
 
 OPTIONS_DEFINE=		EXAMPLES SUID X11
 OPTIONS_DEFAULT=	SUID
 
 SUID_DESC=	setuid bit on binaries (required for DRM and PAM)
 
 SUID_VARS=	MAYBE_SUID="@(,,4755) "
 X11_MAKE_ARGS=	WITH_XWAYLAND=yes
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/hikari ${STAGEDIR}${PREFIX}/bin/
 	${INSTALL_PROGRAM} ${WRKSRC}/hikari-unlocker ${STAGEDIR}${PREFIX}/bin/
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${INSTALL_MAN} ${WRKSRC}/doc/example_hikari.conf ${STAGEDIR}${EXAMPLESDIR}/hikari.conf
 
 .include <bsd.port.mk>