Index: head/devel/libudev-devd/Makefile
===================================================================
--- head/devel/libudev-devd/Makefile	(revision 526427)
+++ head/devel/libudev-devd/Makefile	(revision 526428)
@@ -1,27 +1,27 @@
 # $FreeBSD$
 
 PORTNAME=	libudev-devd
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.4.1
 CATEGORIES=	devel
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	libudev-compatible interface for devd
 
 LICENSE=	BSD2CLAUSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/linux/input.h:devel/evdev-proto
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	FreeBSDDesktop
 
-USES=		localbase meson pkgconfig
+USES=		compiler:c11 localbase meson pkgconfig
 USE_LDCONFIG=	yes
 
 PLIST_FILES=	include/libudev.h \
 		lib/libudev.so \
 		lib/libudev.so.0 \
 		lib/libudev.so.0.0.0 \
 		libdata/pkgconfig/libudev.pc
 
 .include <bsd.port.mk>