Index: head/net/shadowsocks-libev/Makefile
===================================================================
--- head/net/shadowsocks-libev/Makefile
+++ head/net/shadowsocks-libev/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	shadowsocks-libev
-PORTVERSION=	2.4.7
+PORTVERSION=	3.1.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	net
 
@@ -11,18 +11,30 @@
 
 LICENSE=	GPLv3
 
+LIB_DEPENDS=	libev.so:devel/libev \
+		libmbedcrypto.so:security/mbedtls \
+		libpcre.so:devel/pcre \
+		libsodium.so:security/libsodium \
+		libcares.so:dns/c-ares
+
+USES=		autoreconf gmake libtool:keepla pathfix
+
 # fetch from github repo
 USE_GITHUB=	yes
 GH_ACCOUNT=	shadowsocks
+GH_TUPLE=	shadowsocks:libcork:0220aa5:libcork/libcork \
+		shadowsocks:ipset:3ea7fe3:libipset/libipset \
+		shadowsocks:libbloom:7a9deb8:libbloom/libbloom
 
 GNU_CONFIGURE=	yes
-USES=		gmake libtool:keepla pathfix ssl
-CPPFLAGS+=	-I${OPENSSLINC}
-CONFIGURE_ARGS+=	--with-openssl=${OPENSSLBASE}
 
-# Help solve building error since the integrated libsodium enables this option.
-CFLAGS+=	-fstack-protector
+OPTIONS_DEFINE=	DOCS
+OPTIONS_SUB=	yes
 
+DOCS_BUILD_DEPENDS=	asciidoc:textproc/asciidoc \
+		xmlto:textproc/xmlto
+DOCS_CONFIGURE_OFF=	--disable-documentation
+
 USE_RC_SUBR=	shadowsocks_libev
 
 post-patch:
@@ -31,6 +43,6 @@
 
 post-install:
 	${MKDIR} ${STAGEDIR}${ETCDIR}
-	${CP} ${WRKSRC}/debian/config.json  ${STAGEDIR}${ETCDIR}/config.json.sample
+	${INSTALL_DATA} ${WRKSRC}/debian/config.json ${STAGEDIR}${ETCDIR}/config.json.sample
 
 .include <bsd.port.mk>
Index: head/net/shadowsocks-libev/distinfo
===================================================================
--- head/net/shadowsocks-libev/distinfo
+++ head/net/shadowsocks-libev/distinfo
@@ -1,3 +1,9 @@
-TIMESTAMP = 1503421104
-SHA256 (shadowsocks-shadowsocks-libev-v2.4.7_GH0.tar.gz) = 957265cc5339e020d8c8bb7414ab14936e3939dc7355f334aec896ec9b03c6ed
-SIZE (shadowsocks-shadowsocks-libev-v2.4.7_GH0.tar.gz) = 1485472
+TIMESTAMP = 1506953360
+SHA256 (shadowsocks-shadowsocks-libev-v3.1.0_GH0.tar.gz) = 305e29bbd67c8cac4b244352e1ef804cb3801f501aae12bec0fe42708d7ff8a2
+SIZE (shadowsocks-shadowsocks-libev-v3.1.0_GH0.tar.gz) = 260649
+SHA256 (shadowsocks-libcork-0220aa5_GH0.tar.gz) = 95d6e1a09695329ea03734a8e4f75e8a726fd2a6b6baa6b0d28eabc299c5a168
+SIZE (shadowsocks-libcork-0220aa5_GH0.tar.gz) = 184195
+SHA256 (shadowsocks-ipset-3ea7fe3_GH0.tar.gz) = e7b487c21a5352a3c9faef3256ed1a539f7ee46f38bf57922340c125c720da61
+SIZE (shadowsocks-ipset-3ea7fe3_GH0.tar.gz) = 64895
+SHA256 (shadowsocks-libbloom-7a9deb8_GH0.tar.gz) = 726469328f0288c1ecb87b244a8978d471316f04e1234417ac4669bc16c8b4b0
+SIZE (shadowsocks-libbloom-7a9deb8_GH0.tar.gz) = 1208059
Index: head/net/shadowsocks-libev/pkg-plist
===================================================================
--- head/net/shadowsocks-libev/pkg-plist
+++ head/net/shadowsocks-libev/pkg-plist
@@ -6,11 +6,18 @@
 lib/libshadowsocks-libev.a
 lib/libshadowsocks-libev.la
 libdata/pkgconfig/shadowsocks-libev.pc
-man/man1/ss-local.1.gz
-man/man1/ss-manager.1.gz
-man/man1/ss-nat.1.gz
-man/man1/ss-redir.1.gz
-man/man1/ss-server.1.gz
-man/man1/ss-tunnel.1.gz
-man/man8/shadowsocks-libev.8.gz
-@sample etc/shadowsocks-libev/config.json.sample
+@sample %%ETCDIR%%/config.json.sample
+%%DOCS%%man/man1/ss-local.1.gz
+%%DOCS%%man/man1/ss-manager.1.gz
+%%DOCS%%man/man1/ss-nat.1.gz
+%%DOCS%%man/man1/ss-redir.1.gz
+%%DOCS%%man/man1/ss-server.1.gz
+%%DOCS%%man/man1/ss-tunnel.1.gz
+%%DOCS%%man/man8/shadowsocks-libev.8.gz
+%%DOCS%%%%DOCSDIR%%/shadowsocks-libev.html
+%%DOCS%%%%DOCSDIR%%/ss-local.html
+%%DOCS%%%%DOCSDIR%%/ss-manager.html
+%%DOCS%%%%DOCSDIR%%/ss-nat.html
+%%DOCS%%%%DOCSDIR%%/ss-redir.html
+%%DOCS%%%%DOCSDIR%%/ss-server.html
+%%DOCS%%%%DOCSDIR%%/ss-tunnel.html