net-misc/vtun: fix building with GCC 5

Bump EAPI to 5, add slot to dev-libs/openssl dependency.
Add missing 'die' on sed call.
Make description shorter to silence QA warning.

Gentoo-Bug: 570462

Package-Manager: portage-2.2.26

net-misc/vtun/files/vtun-3.0.3-gcc5.patch

@@ -0,0 +1,13 @@
+Index: vtun-3.0.3/cfg_file.y
+===================================================================
+--- vtun-3.0.3.orig/cfg_file.y
++++ vtun-3.0.3/cfg_file.y
+@@ -624,7 +624,7 @@ int clear_nat_hack_client(void *d, void
+ }
+
+ /* Clear the VTUN_NAT_HACK flag which are not relevant to the current operation mode */
+-inline void clear_nat_hack_flags(int svr)
++extern inline void clear_nat_hack_flags(int svr)
+ {
+ 	if (svr)
+ 		llist_trav(&host_list,clear_nat_hack_server,NULL);

net-misc/vtun/vtun-3.0.3.ebuild

@@ -1,12 +1,12 @@
-# Copyright 1999-2012 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
-EAPI=4
+EAPI=5
 
 inherit eutils linux-info
 
-DESCRIPTION="Create virtual tunnels over TCP/IP networks with traffic shaping, encryption, and compression"
+DESCRIPTION="Create tunnels over TCP/IP networks with shaping, encryption, and compression"
 SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
 HOMEPAGE="http://vtun.sourceforge.net/"
 
@@ -15,7 +15,7 @@ SLOT="0"
 KEYWORDS="~alpha amd64 ppc ~sparc x86"
 IUSE="lzo socks5 ssl zlib"
 
-RDEPEND="ssl? ( dev-libs/openssl )
+RDEPEND="ssl? ( dev-libs/openssl:0 )
 	lzo? ( dev-libs/lzo:2 )
 	zlib? ( sys-libs/zlib )
 	socks5? ( net-proxy/dante )"
@@ -33,8 +33,12 @@ src_prepare() {
 	epatch "${FILESDIR}"/${P}-includes.patch
 	# remove unneeded checking for /etc/vtund.conf
 	epatch "${FILESDIR}"/${PN}-3.0.2-remove-config-presence-check.patch
+	# GCC 5 compatibility, patch from https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=778164
+	epatch "${FILESDIR}"/${P}-gcc5.patch
 	# portage takes care about striping binaries itself
-	sed -i 's:$(BIN_DIR)/strip $(DESTDIR)$(SBIN_DIR)/vtund::' Makefile.in
+	sed -i 's:$(BIN_DIR)/strip $(DESTDIR)$(SBIN_DIR)/vtund::' Makefile.in || die
+
+	epatch_user
 }
 
 src_configure() {