Index: head/sysutils/istio/Makefile
===================================================================
--- head/sysutils/istio/Makefile	(revision 495869)
+++ head/sysutils/istio/Makefile	(revision 495870)
@@ -1,32 +1,35 @@
 # Created by: Danilo Egea Gondolfo <danilo@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	istio
 PORTVERSION=	1.0.6
 CATEGORIES=	sysutils
 
+PATCH_SITES=	https://github.com/go4org/go4/commit/
+PATCHFILES=	e4fd39d.patch:-p1 # https://github.com/go4org/go4/issues/43
+
 MAINTAINER=	danilo@FreeBSD.org
 COMMENT=	Open platform to connect, manage, and secure microservices
 
 LICENSE=	APACHE20
 
-BROKEN=		fails to build
-
 RUN_DEPENDS=	kubectl:sysutils/kubectl
 
 USES=		go
 
 USE_GITHUB=	yes
 
 GO_PKGNAME=	istio.io/istio
 GO_TARGET=	${GO_PKGNAME}/istioctl/cmd/istioctl
 GO_BUILDFLAGS=	-ldflags="-X istio.io/istio/pkg/version.buildVersion=${PORTVERSION} \
 		-X istio.io/istio/pkg/version.buildDockerHub=docker.io/istio"
+
+PATCH_WRKSRC=	${WRKSRC}/vendor/go4.org
 
 post-install:
 .for data in consul gcp kubernetes
 	(cd ${WRKSRC}/install \
 		&& ${COPYTREE_SHARE} ${data} ${STAGEDIR}${DATADIR})
 .endfor
 
 .include <bsd.port.mk>
Index: head/sysutils/istio/distinfo
===================================================================
--- head/sysutils/istio/distinfo	(revision 495869)
+++ head/sysutils/istio/distinfo	(revision 495870)
@@ -1,3 +1,5 @@
-TIMESTAMP = 1550931951
+TIMESTAMP = 1552736699
 SHA256 (istio-istio-1.0.6_GH0.tar.gz) = 394e75e26d6b6d5bbdabfd812b77b57433ce7b0ccc7912375e04c44eb6355809
 SIZE (istio-istio-1.0.6_GH0.tar.gz) = 18973127
+SHA256 (e4fd39d.patch) = b2eab467426fd1868a1223f4881237122a4727b135b98b454b5924a1cdc24a77
+SIZE (e4fd39d.patch) = 3005