Index: head/x11-toolkits/tepl/Makefile
===================================================================
--- head/x11-toolkits/tepl/Makefile	(revision 487841)
+++ head/x11-toolkits/tepl/Makefile	(revision 487842)
@@ -1,23 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	tepl
 PORTVERSION=	4.0.0
 CATEGORIES=	x11-toolkits
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	Text editor product line
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libuchardet.so:textproc/uchardet
 
-USES=		gettext gmake gnome libtool pkgconfig tar:xz
+USES=		compiler:c11 gettext gmake gnome libtool pkgconfig tar:xz
 USE_GNOME=	cairo gdkpixbuf2 gtksourceview4 libxml2
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 INSTALL_TARGET=	install-strip
 
 .include <bsd.port.mk>