# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header$

inherit eutils

DESCRIPTION="GNU Virtual Private Ethernet"
HOMEPAGE="http://savannah.gnu.org/projects/gvpe"
SRC_URI="http://ftp.gnu.org/gnu/gvpe/${P}.tar.gz"

EAPI="1"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="nls -dns -icmp -rohc +tcp +compression"

DEPEND=">=dev-libs/openssl-0.9.7c
	virtual/linux-sources
	>=dev-libs/lzo-2
	>=sys-libs/zlib-1.1.4-r2
	nls? ( sys-devel/gettext )"

src_compile() {
	#These are because the configure script does not make deference between
	#--disable-feature and --enable-feature and will generally enable things
	#if --disable is passed.
	local CONF_PARAM="$(use_enable nls) "
	use dns && CONF_PARAM="$CONF_PARAM $(use_enable dns) "
	use icmp && CONF_PARAM="$CONF_PARAM $(use_enable icmp) "
	use rohc && CONF_PARAM="$CONF_PARAM $(use_enable rohc) "

	econf $CONF_PARAM $(use_enable tcp) $(use_enable compression) \
	    --enable-hmac-length=16 --enable-rand-length=8 --enable-cipher=aes-256 \
	    --enable-digest=sha512 || die
	emake || die
}

src_install() {
	emake DESTDIR="${D}" install || die
	dodir /etc/gvpe || die
	dodoc AUTHORS NEWS README || die
	newinitd "${FILESDIR}"/gvpe.rc gvpe || die
	newconfd "${FILESDIR}"/gvpe.confd gvpe || die
	insinto /etc/gvpe
	doins "${FILESDIR}"/gvpe.conf.example || die
	exeinto /etc/gvpe
	doexe "${FILESDIR}"/if-up || die
}

pkg_postinst() {
	einfo "This package requires the tun/tap kernel device."
	einfo "Edit /etc/conf.d/gvpe and /etc/gvpe/gvpe.conf"
}