# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/lvm2/lvm2-2.02.97-r1.ebuild,v 1.18 2014/02/03 15:56:45 vapier Exp $

inherit eutils multilib toolchain-funcs autotools linux-info udev

DESCRIPTION="User-land utilities for LVM2 (device-mapper) software."

KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 sh sparc x86 ~amd64-linux ~x86-linux"

IUSE="readline static static-libs clvm cman +lvm1 selinux +udev +thin"

	readline? ( sys-libs/readline )
	clvm? ( =sys-cluster/libdlm-3*
			cman? ( =sys-cluster/cman-3* ) )
	udev? ( virtual/udev[static-libs?] )"

	thin? ( sys-block/thin-provisioning-tools )"

# Upgrading to this LVM will break older cryptsetup

		static? (
			udev? ( virtual/udev[static-libs] )
			selinux? ( sys-libs/libselinux[static-libs] )


pkg_setup() {
	if use udev; then
		local WARNING_SYSVIPC="CONFIG_SYSVIPC:\tis not set (required for udev sync)\n"
	# 1. Genkernel no longer copies /sbin/lvm blindly.
	if use static; then
		elog "Warning, we no longer overwrite /sbin/lvm and /sbin/dmsetup with"
		elog "their static versions. If you need the static binaries,"
		elog "you must append .static to the filename!"

src_unpack() {
	unpack ${A}

src_prepare() {
	epatch "${FILESDIR}"/lvm.conf-2.02.67.patch

	# Should not be needed due to upstream re-arrangement of build
	#epatch "${FILESDIR}"/${PN}-2.02.56-dmeventd.patch
	# Should not be need with new upstream udev rules
	#epatch "${FILESDIR}"/${PN}-2.02.56-device-mapper-export-format.patch

	# Merged upstream:
	#epatch "${FILESDIR}"/${PN}-2.02.51-as-needed.patch
	# Merged upstream:
	#epatch "${FILESDIR}"/${PN}-2.02.48-fix-pkgconfig.patch
	# Merged upstream:
	#epatch "${FILESDIR}"/${PN}-2.02.51-fix-pvcreate.patch
	# Fixed differently upstream:
	#epatch "${FILESDIR}"/${PN}-2.02.51-dmsetup-selinux-linking-fix-r3.patch

	epatch "${FILESDIR}"/${PN}-2.02.63-always-make-static-libdm.patch
	epatch "${FILESDIR}"/lvm2-2.02.56-lvm2create_initrd.patch
	# bug 318513 - merged upstream
	#epatch "${FILESDIR}"/${PN}-2.02.64-dmeventd-libs.patch
	# bug 301331
	epatch "${FILESDIR}"/${PN}-2.02.67-createinitrd.patch
	# bug 330373
	epatch "${FILESDIR}"/${PN}-2.02.92-locale-muck.patch
	# --as-needed
	epatch "${FILESDIR}"/${PN}-2.02.70-asneeded.patch
	# bug 332905
	epatch "${FILESDIR}"/${PN}-2.02.92-dynamic-static-ldflags.patch
	# bug 361429 - merged upstream in .85
	#epatch "${FILESDIR}"/${PN}-2.02.84-udev-pkgconfig.patch

	# Merged upstream
	#epatch "${FILESDIR}"/${PN}-2.02.73-asneeded.patch

	epatch "${FILESDIR}"/${PN}-2.02.88-respect-cc.patch

	# Upstream bug of LVM path
	# Merged upstream
	#epatch "${FILESDIR}"/${PN}-2.02.95-lvmpath.patch

	# Upstream patch for https://bugs.gentoo.org/424810
	# Merged upstream
	#epatch "${FILESDIR}"/${PN}-2.02.95-udev185.patch

	# Upstream patch for https://bugs.gentoo.org/444328
	epatch "${FILESDIR}"/${P}-strict-aliasing.patch

	# for https://bugs.gentoo.org/370217
	epatch "${FILESDIR}"/${P}-udev-static.patch
	# for https://bugs.gentoo.org/439414
	epatch "${FILESDIR}"/${P}-selinux-static.patch

	# Fix calling AR directly with USE static, bug #444082
	if use static ; then
		sed -i -e "s:\$(AR) rs \$@ \$(OBJECTS) lvmcmdlib.o lvm2cmd-static.o:$(tc-getAR) rs \$@ \$(OBJECTS) lvmcmdlib.o lvm2cmd-static.o:" \
			tools/Makefile.in || die "sed failed"


src_configure() {
	local myconf
	local buildmode

	myconf="${myconf} --enable-dmeventd"
	myconf="${myconf} --enable-cmdlib"
	myconf="${myconf} --enable-applib"
	myconf="${myconf} --enable-fsadm"
	myconf="${myconf} --enable-lvmetad"

	# Most of this package does weird stuff.
	# The build options are tristate, and --without is NOT supported
	# options: 'none', 'internal', 'shared'
	if use static ; then
		einfo "Building static LVM, for usage inside genkernel"
		# This only causes the .static versions to become available
		# We explicitly provide the .static versions so that they can be included in
		# initramfs environments.
		myconf="${myconf} --enable-static_link"
		ewarn "Building shared LVM, it will not work inside genkernel!"

	# dmeventd requires mirrors to be internal, and snapshot available
	# so we cannot disable them
	myconf="${myconf} --with-mirrors=internal"
	myconf="${myconf} --with-snapshots=internal"
	use thin \
		&& myconf="${myconf} --with-thin=internal" \
		|| myconf="${myconf} --with-thin=none"

	if use lvm1 ; then
		myconf="${myconf} --with-lvm1=${buildmode}"
		myconf="${myconf} --with-lvm1=none"

	# disable O_DIRECT support on hppa, breaks pv detection (#99532)
	use hppa && myconf="${myconf} --disable-o_direct"

	if use clvm; then
		myconf="${myconf} --with-cluster=${buildmode}"
		# 4-state! Make sure we get it right, per bug 210879
		# Valid options are: none, cman, gulm, all
		# 2009/02:
		# gulm is removed now, now dual-state:
		# cman, none
		# all still exists, but is not needed
		# 2009/07:
		# TODO: add corosync and re-enable ALL
		local clvmd=""
		use cman && clvmd="cman"
		[ -z "${clvmd}" ] && clvmd="none"
		myconf="${myconf} --with-clvmd=${clvmd}"
		myconf="${myconf} --with-pool=${buildmode}"
		myconf="${myconf} --with-clvmd=none --with-cluster=none"

	local udevdir="${EPREFIX}/lib/udev/rules.d"
	use udev && udevdir="${EPREFIX}/$(udev_get_udevdir)/rules.d"

	econf \
		$(use_enable readline) \
		$(use_enable selinux) \
		--enable-pkgconfig \
		--with-confdir="${EPREFIX}/etc" \
		--sbindir="${EPREFIX}/sbin" \
		--with-staticdir="${EPREFIX}/sbin" \
		--libdir="${EPREFIX}/$(get_libdir)" \
		--with-usrlibdir="${EPREFIX}/usr/$(get_libdir)" \
		--with-default-run-dir=/var/run/lvm \
		--with-default-locking-dir=/var/lock/lvm \
		--with-dmeventd-path=/sbin/dmeventd \
		$(use_enable udev udev_rules) \
		$(use_enable udev udev_sync) \
		$(use_with udev udevdir "${udevdir}") \
		${myconf} \
		CLDFLAGS="${LDFLAGS}" || die

src_compile() {
	einfo "Doing symlinks"
	pushd include
	emake || die "Failed to prepare symlinks"

	einfo "Starting main build"
	emake AR="$(tc-getAR)" || die "compile fail"

src_install() {
	emake DESTDIR="${D}" install || die "Failed to emake install"

	dodoc README VERSION* WHATS_NEW WHATS_NEW_DM doc/*.{conf,c,txt}
	newinitd "${FILESDIR}"/lvm.rc-2.02.97-r1 lvm || die
	newinitd "${FILESDIR}"/lvm-monitoring.initd-2.02.97-r1 lvm-monitoring || die
	newconfd "${FILESDIR}"/lvm.confd-2.02.28-r2 lvm || die
	insinto /$(get_libdir)/rcscripts/addons
	newins "${FILESDIR}"/lvm2-start.sh-2.02.97-r1 lvm-start.sh || die
	newins "${FILESDIR}"/lvm2-stop.sh-2.02.97-r1 lvm-stop.sh || die
	if use clvm; then
		newinitd "${FILESDIR}"/clvmd.rc-2.02.39 clvmd || die
		newconfd "${FILESDIR}"/clvmd.confd-2.02.39 clvmd || die

	# move shared libs to /lib(64)
	if use static-libs; then
		dolib.a libdm/ioctl/libdevmapper.a || die "dolib.a libdevmapper.a"
		#gen_usr_ldscript libdevmapper.so

	dosbin "${S}"/scripts/lvm2create_initrd/lvm2create_initrd
	doman  "${S}"/scripts/lvm2create_initrd/lvm2create_initrd.8
	newdoc "${S}"/scripts/lvm2create_initrd/README README.lvm2create_initrd

	insinto /etc
	doins "${FILESDIR}"/dmtab
	insinto /$(get_libdir)/rcscripts/addons
	newins "${FILESDIR}"/dm-start.sh-2.02.97-r1 dm-start.sh || die

	# Device mapper stuff
	newinitd "${FILESDIR}"/device-mapper.rc-2.02.97-r1 device-mapper || die
	newconfd "${FILESDIR}"/device-mapper.conf-1.02.22-r3 device-mapper || die

	newinitd "${FILESDIR}"/dmeventd.initd-2.02.97-r1 dmeventd || die
	if use static-libs; then
		dolib.a daemons/dmeventd/libdevmapper-event.a \
		|| die "dolib.a libdevmapper-event.a"
		#gen_usr_ldscript libdevmapper-event.so

	use static-libs || \
	rm -f "${D}"/usr/$(get_libdir)/{libdevmapper-event,liblvm2cmd,liblvm2app,libdevmapper}.a

	#insinto /etc/udev/rules.d/
	#newins "${FILESDIR}"/64-device-mapper.rules-2.02.56-r3 64-device-mapper.rules || die

	# do not rely on /lib -> /libXX link
	sed -i \
		-e "s|/lib/rcscripts/|/$(get_libdir)/rcscripts/|" \
		"${ED}"/etc/init.d/* || die

	elog "USE flag nocman is deprecated and replaced"
	elog "with the cman USE flag."
	elog ""
	elog "USE flags clvm and cman are masked"
	elog "by default and need to be unmasked to be used"
	elog ""
	elog "If you are using genkernel and root-on-LVM, rebuild the initramfs."

pkg_postinst() {
	elog "lvm volumes are no longer automatically created for"
	elog "baselayout-2 users. If you are using baselayout-2, be sure to"
	elog "run: # rc-update add lvm boot"
	elog "Do NOT add it if you are still using baselayout-1."

src_test() {
	einfo "Testcases disabled because of device-node mucking"
	einfo "If you want them, compile the package and see ${S}/tests"