--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit eutils systemd toolchain-funcs
+
+if [[ ${PV} != 9999 ]]; then
+ SRC_URI="https://download.libreswan.org/${P}.tar.gz"
+ KEYWORDS="~amd64 ~ppc ~x86"
+else
+ inherit git-r3
+ EGIT_REPO_URI="https://github.com/libreswan/libreswan.git"
+fi
+
+DESCRIPTION="IPsec implementation for Linux, fork of Openswan"
+HOMEPAGE="https://libreswan.org/"
+
+LICENSE="GPL-2 BSD-4 RSA DES"
+SLOT="0"
+IUSE="caps curl dnssec ldap pam"
+
+COMMON_DEPEND="
+ dev-libs/gmp:0=
+ dev-libs/libevent
+ dev-libs/nspr
+ caps? ( sys-libs/libcap-ng )
+ curl? ( net-misc/curl )
+ dnssec? ( net-dns/unbound net-libs/ldns )
+ ldap? ( net-nds/openldap )
+ pam? ( sys-libs/pam )
+"
+DEPEND="${COMMON_DEPEND}
+ app-text/docbook-xml-dtd:4.1.2
+ app-text/xmlto
+ dev-libs/nss
+ sys-devel/bison
+ sys-devel/flex
+ virtual/pkgconfig
+"
+RDEPEND="${COMMON_DEPEND}
+ dev-libs/nss[utils(+)]
+ sys-apps/iproute2
+ !net-misc/openswan
+ !net-misc/strongswan
+"
+
+src_prepare() {
+ epatch_user
+}
+
+usetf() {
+ usex "$1" true false
+}
+
+src_configure() {
+ tc-export AR CC
+ export INC_USRLOCAL=/usr
+ export INC_MANDIR=share/man
+ export FINALEXAMPLECONFDIR=/usr/share/doc/${PF}
+ export FINALDOCDIR=/usr/share/doc/${PF}/html
+ export INITSYSTEM=openrc
+ export INC_RCDIRS=
+ export INC_RCDEFAULT=/etc/init.d
+ export USERCOMPILE=
+ export USERLINK=
+ export USE_DNSSEC=$(usetf dnssec)
+ export USE_LIBCAP_NG=$(usetf caps)
+ export USE_LIBCURL=$(usetf curl)
+ export USE_LDAP=$(usetf ldap)
+ export USE_XAUTHPAM=$(usetf pam)
+ export DEBUG_CFLAGS=
+ export OPTIMIZE_CFLAGS=
+}
+
+src_compile() {
+ emake all
+}
+
+src_install() {
+ emake DESTDIR="${D}" install
+
+ echo "include /etc/ipsec.d/*.secrets" > "${D}"/etc/ipsec.secrets
+ fperms 0600 /etc/ipsec.secrets
+
+ systemd_dounit "${FILESDIR}/ipsec.service"
+
+ dodoc CHANGES README
+ dodoc -r docs
+
+ find "${D}" -type d -empty -delete || die
+}
+
+pkg_postinst() {
+ local IPSEC_CONFDIR=${ROOT%/}/etc/ipsec.d
+ if [[ ! -f ${IPSEC_CONFDIR}/cert8.db ]]; then
+ ebegin "Setting up NSS database in ${IPSEC_CONFDIR}"
+ certutil -N -d "${IPSEC_CONFDIR}" -f <(echo)
+ eend $?
+ fi
+}