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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/lxc-0.7.5-r3.ebuild,v 1.2 2012/03/27 19:01:25 flameeyes Exp $

EAPI="4"

MY_P="${P/_/-}"

inherit eutils linux-info versionator flag-o-matic

DESCRIPTION="LinuX Containers userspace utilities"
HOMEPAGE="http://lxc.sourceforge.net/"
SRC_URI="http://lxc.sourceforge.net/download/lxc/${MY_P}.tar.gz"
S="${WORKDIR}/${MY_P}"

KEYWORDS="~amd64 ~ppc64 ~x86"

LICENSE="LGPL-3"
SLOT="0"
IUSE="examples vanilla"

RDEPEND="sys-libs/libcap"

DEPEND="${RDEPEND}
	app-text/docbook-sgml-utils
	>=sys-kernel/linux-headers-2.6.29"

# For init script, so protect with vanilla, they are not strictly
# needed.
RDEPEND="${RDEPEND}
	!vanilla? (
		sys-apps/util-linux
		app-misc/pax-utils
	)"

CONFIG_CHECK="~CGROUPS
	~CPUSETS ~CGROUP_CPUACCT
	~RESOURCE_COUNTERS ~CGROUP_MEM_RES_CTLR
	~CGROUP_SCHED

	~NAMESPACES
	~IPC_NS ~USER_NS ~PID_NS

	~DEVPTS_MULTIPLE_INSTANCES
	~CGROUP_FREEZER
	~UTS_NS ~NET_NS
	~VETH ~MACVLAN"

ERROR_DEVPTS_MULTIPLE_INSTANCES="CONFIG_DEVPTS_MULTIPLE_INSTANCES:	needed for pts inside container"

ERROR_CGROUP_FREEZER="CONFIG_CGROUP_FREEZER:	needed to freeze containers"

ERROR_UTS_NS="CONFIG_UTS_NS:	needed to unshare hostnames and uname info"
ERROR_NET_NS="CONFIG_NET_NS:	needed for unshared network"

ERROR_VETH="CONFIG_VETH:	needed for internal (host-to-container) networking"
ERROR_MACVLAN="CONFIG_MACVLAN:	needed for internal (inter-container) networking"

DOCS=(AUTHORS CONTRIBUTING MAINTAINERS NEWS TODO README doc/FAQ.txt)

src_configure() {
	append-flags -fno-strict-aliasing

	econf \
		--localstatedir=/var \
		--bindir=/usr/sbin \
		--docdir=/usr/share/doc/${PF} \
		--with-config-path=/etc/lxc	\
		--with-rootfs-path=/usr/lib/lxc/rootfs \
		--with-linuxdir="${KERNEL_DIR}" \
		--enable-doc \
		$(use_enable examples)
}

src_install() {
	default

	rm -r "${D}"/usr/sbin/lxc-{setcap,ls} \
		"${D}"/usr/share/man/man1/lxc-ls.1 \
		|| die "unable to remove extraenous content"

	keepdir /etc/lxc /usr/lib/lxc/rootfs

	find "${D}" -name '*.la' -delete

	use vanilla && return 0

	# Gentoo-specific additions!
	newinitd "${FILESDIR}/${PN}.initd" ${PN}
	keepdir /var/log/lxc
}

pkg_postinst() {
	if ! use vanilla; then
		elog "There is an init script provided with the package now; no documentation"
		elog "is currently available though, so please check out /etc/init.d/lxc ."
		elog "You _should_ only need to symlink it to /etc/init.d/lxc.configname"
		elog "to start the container defined into /etc/lxc/configname.conf ."
		elog "For further information about LXC development see"
		elog "http://blog.flameeyes.eu/tag/lxc" # remove once proper doc is available
		elog ""
	fi
	ewarn "With version 0.7.4, the mountpoint syntax came back to the one used by 0.7.2"
	ewarn "and previous versions. This means you'll have to use syntax like the following"
	ewarn ""
	ewarn "    lxc.rootfs = /container"
	ewarn "    lxc.mount.entry = /usr/portage /container/usr/portage none bind 0 0"
	ewarn ""
	ewarn "To use the Fedora, Debian and (various) Ubuntu auto-configuration scripts, you"
	ewarn "will need sys-apps/yum or dev-util/debootstrap."
}