Index: head/net/mDNSResponder/Makefile
===================================================================
--- head/net/mDNSResponder/Makefile	(revision 527052)
+++ head/net/mDNSResponder/Makefile	(revision 527053)
@@ -1,53 +1,53 @@
 # Created by: Alfred Perlstein <alfred@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	mDNSResponder
 PORTVERSION=	1096.0.2
 CATEGORIES=	net dns
 MASTER_SITES=	https://opensource.apple.com/tarballs/mDNSResponder/
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Bonjour (zero-configuration networking) by Apple
 
 LICENSE=	APACHE20 BSD3CLAUSE
 LICENSE_COMB=	dual
 
 # lib/libdns_sd.so.1 sbin/mdnsd
 CONFLICTS_INSTALL=	avahi-libdns openmdns
 
 OPTIONS_DEFINE=	IPV6
 
-USES=		cpe gmake
+USES=		compiler:c11 cpe gmake
 
 ALL_TARGET=	all dnsextd
 BUILD_WRKSRC=	${WRKSRC}/mDNSPosix
 INSTALL_WRKSRC=	${WRKSRC}/mDNSPosix
 MAKE_ARGS=	LDCONFIG=${TRUE} LOCALBASE=${PREFIX} MAN_PATH=${PREFIX}/share/man STRIP=${STRIP_CMD} os=freebsd
 MAKE_JOBS_UNSAFE=	yes
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	mdnsd mdnsresponderposix
 
 CPE_VENDOR=	apple
 CPE_PRODUCT=	${PORTNAME:tl}
 
 EXTRA_BIN=	mDNSClientPosix mDNSNetMonitor mDNSProxyResponderPosix mDNSResponderPosix
 EXTRA_MAN1=	dns-sd.1
 EXTRA_MAN8=	dnsextd.8 mDNSResponderPosix.8
 EXTRA_SBIN=	dnsextd
 
 post-patch:
 	@${REINPLACE_CMD} -e '/^CFLAGS_DEBUG/ s|-Os|${CFLAGS}|' ${WRKSRC}/mDNSPosix/Makefile
 	@${REINPLACE_CMD} -e 's|\(#define IPV6_2292_PKTINFO \).*|\1IPV6_PKTINFO|; s|\(#define IPV6_2292_HOPLIMIT \).*|\1IPV6_HOPLIMIT|' ${WRKSRC}/mDNSPosix/mDNSUNP.h
 	@${MV} ${WRKSRC}/mDNSShared/mDNSResponder.8 ${WRKSRC}/mDNSShared/mDNSResponderPosix.8
 
 post-patch-IPV6-off:
 	@${REINPLACE_CMD} -e '/^CFLAGS_OS/ s|-DHAVE_IPV6|-UHAVE_IPV6|' ${WRKSRC}/mDNSPosix/Makefile
 
 post-install:
 	cd ${WRKSRC}/mDNSPosix/build/prod/ && ${INSTALL_PROGRAM} ${EXTRA_BIN} ${STAGEDIR}${PREFIX}/bin/
 	cd ${WRKSRC}/mDNSShared/ && ${INSTALL_MAN} ${EXTRA_MAN1} ${STAGEDIR}${PREFIX}/share/man/man1/
 	cd ${WRKSRC}/mDNSShared/ && ${INSTALL_MAN} ${EXTRA_MAN8} ${STAGEDIR}${PREFIX}/share/man/man8/
 	cd ${WRKSRC}/mDNSPosix/build/prod/ && ${INSTALL_PROGRAM} ${EXTRA_SBIN} ${STAGEDIR}${PREFIX}/sbin/
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/dns-sd
 
 .include <bsd.port.mk>