Index: head/audio/xfce4-mpc-plugin/Makefile
===================================================================
--- head/audio/xfce4-mpc-plugin/Makefile	(revision 515563)
+++ head/audio/xfce4-mpc-plugin/Makefile	(revision 515564)
@@ -1,32 +1,33 @@
 # Created by: Martin Wilke (miwi@FreeBSD.org)
 # $FreeBSD$
 
 PORTNAME=	xfce4-mpc-plugin
 PORTVERSION=	0.5.2
 CATEGORIES=	audio xfce
 MASTER_SITES=	XFCE/panel-plugins
 DIST_SUBDIR=	xfce4
 
 MAINTAINER=	xfce@FreeBSD.org
 COMMENT=	Musicpd client plugin for the Xfce panel
 
 LICENSE=	ISCL
 
 LIB_DEPENDS=	libmpd.so:audio/libmpd
 RUN_DEPENDS=	musicpd:audio/musicpd
 
-USES=		gettext-tools gmake libtool pkgconfig tar:bzip2 xfce
+USES=		compiler:c11 gettext-tools gmake libtool pkgconfig tar:bzip2 \
+		xfce
 USE_GNOME=	cairo gdkpixbuf2 gtk30 intltool
 USE_XFCE=	panel
 
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 CONFIGURE_ARGS+=	--with-libmpd=${LOCALBASE}
 
 OPTIONS_DEFINE=		NLS
 OPTIONS_SUB=		yes
 
 NLS_CONFIGURE_ENABLE=	nls
 NLS_USES=		gettext-runtime
 
 .include <bsd.port.mk>