Index: head/misc/xdelta3/Makefile
===================================================================
--- head/misc/xdelta3/Makefile	(revision 473287)
+++ head/misc/xdelta3/Makefile	(revision 473288)
@@ -1,34 +1,33 @@
 # Created by: Sergey Skvortsov <skv@protey.ru>
 # $FreeBSD$
 
 PORTNAME=	xdelta
-PORTVERSION=	3.0.11
+PORTVERSION=	3.1.0
 DISTVERSIONPREFIX=	v
 PORTEPOCH=	1
 CATEGORIES?=	misc devel
 PKGNAMESUFFIX=	3
 
 MAINTAINER=	danilo@FreeBSD.org
 COMMENT=	Open-source binary diff, VCDIFF/RFC 3284 delta compression
 
 LICENSE=	GPLv2+
 
-USES=		autoreconf gmake
-USE_CXXSTD=	gnu++98
+USES=		autoreconf compiler:c++11-lang gmake
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	jmacd
-GH_PROJECT=	xdelta-devel
+GH_PROJECT=	xdelta
 
 WRKSRC_SUBDIR=	xdelta3
 
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	bin/xdelta3 man/man1/xdelta3.1.gz
 
 post-patch:
 	@${REINPLACE_CMD} -e \
 		'/_POSIX_/d ; \
 		 /_C99_/d' ${WRKSRC}/xdelta3.h
 
 .include <bsd.port.mk>
Index: head/misc/xdelta3/distinfo
===================================================================
--- head/misc/xdelta3/distinfo	(revision 473287)
+++ head/misc/xdelta3/distinfo	(revision 473288)
@@ -1,2 +1,3 @@
-SHA256 (jmacd-xdelta-devel-v3.0.11_GH0.tar.gz) = 0cd1ab3e53be8e57bc6335789ead8a6177b0a3524c931e6af2aa801b2c1736cc
-SIZE (jmacd-xdelta-devel-v3.0.11_GH0.tar.gz) = 993860
+TIMESTAMP = 1529879623
+SHA256 (jmacd-xdelta-v3.1.0_GH0.tar.gz) = 7515cf5378fca287a57f4e2fee1094aabc79569cfe60d91e06021a8fd7bae29d
+SIZE (jmacd-xdelta-v3.1.0_GH0.tar.gz) = 1036904