Index: head/net/zerotier/Makefile
===================================================================
--- head/net/zerotier/Makefile	(revision 537089)
+++ head/net/zerotier/Makefile	(revision 537090)
@@ -1,57 +1,59 @@
 # Created by: Corey Smith <corsmith@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	zerotier
 DISTVERSION=	1.4.6
 CATEGORIES=	net
 
 MAINTAINER=	dch@FreeBSD.org
 COMMENT=	Network virtualization everywhere
 
 LICENSE=		BUSINESS MIT PD
 LICENSE_COMB=		multi
 LICENSE_NAME_BUSINESS=	Business Source License
 LICENSE_FILE_BUSINESS=	${WRKSRC}/LICENSE.txt
 LICENSE_FILE_MIT=	${WRKSRC}/ext/json/LICENSE.MIT
 LICENSE_PERMS_BUSINESS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
+BUILD_DEPENDS=	as:devel/binutils
+
 USES=		gmake compiler:c++14-lang
 USE_RC_SUBR=	zerotier
 
 USE_GITHUB=	yes
 GH_PROJECT=	ZeroTierOne
 
 CFLAGS+=	-flax-vector-conversions
 
 OPTIONS_DEFINE=	DBG
 DBG_DESC=	Enable foreground debugging for zerotier-one daemon
 DBG_ALL_TARGET=	debug
 
 PLIST_FILES=	bin/zerotier-cli bin/zerotier-idtool sbin/zerotier-one
 
 LEGAL_TEXT=	No SaaS or Govt usage: https://github.com/zerotier/ZeroTierOne/blob/master/LICENSE.txt
 
 .include <bsd.port.pre.mk>
 
 .if ${OPSYS} == "FreeBSD"
 # log output via syslog
 SUB_LIST+=	ZEROTIER_SYSLOG="-s debug -T zerotier"
 # after r347241 tun(4) and tap(4) have been merged to tuntap(4)
 .if (${OSVERSION} >= 1300028)
 SUB_LIST+=	ZEROTIER_IF_TAP="if_tuntap"
 .else
 SUB_LIST+=	ZEROTIER_IF_TAP="if_tap"
 .endif
 .else
 # we are not on FreeBSD
 SUB_LIST+=	ZEROTIER_IF_TAP="if_tap" \
 		ZEROTIER_SYSLOG=""
 .endif
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/zerotier-one ${STAGEDIR}${PREFIX}/sbin/
 .for l in zerotier-cli zerotier-idtool
 	${RLN} ${STAGEDIR}${PREFIX}/sbin/zerotier-one ${STAGEDIR}${PREFIX}/bin/${l}
 .endfor
 
 .include <bsd.port.post.mk>