Index: head/devel/avarice/Makefile
===================================================================
--- head/devel/avarice/Makefile	(revision 552964)
+++ head/devel/avarice/Makefile	(revision 552965)
@@ -1,19 +1,19 @@
 # Created by: Brian Dean <bsd@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	avarice
 PORTVERSION=	2.14
 CATEGORIES=	devel
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	joerg@FreeBSD.org
 COMMENT=	Atmel AVR JTAG programmer and debugging interface for avr-gdb
 
 LICENSE=	GPLv2
 
-USES=		perl5 tar:bzip2
+USES=		compiler:c11 perl5 tar:bzip2
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	ac_cv_path_pathperl=${PERL}
 
 .include <bsd.port.mk>