sys-fs/lvm2: workaround for building with USE="cman" enabled

Currently LVM installs systemd units and services unconditionally,
which breaks if USE="clvm" is enabled.

This commit adds proper REQUIRED_USE blocker and installs systemd
related files only when USE="systemd" is enabled

Gentoo-Bug: 522430

Package-Manager: portage-2.2.23

1 files changed, 275 insertions, 0 deletions

diff --git a/sys-fs/lvm2/lvm2-2.02.116-r2.ebuild b/sys-fs/lvm2/lvm2-2.02.116-r2.ebuild
new file mode 100644
index 000000000000..e3eb6e5d4a01
--- /dev/null
+++ b/sys-fs/lvm2/lvm2-2.02.116-r2.ebuild
@@ -0,0 +1,275 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+inherit autotools eutils linux-info multilib systemd toolchain-funcs udev flag-o-matic
+
+DESCRIPTION="User-land utilities for LVM2 (device-mapper) software"
+HOMEPAGE="https://sources.redhat.com/lvm2/"
+SRC_URI="ftp://sources.redhat.com/pub/lvm2/${PN/lvm/LVM}.${PV}.tgz
+	ftp://sources.redhat.com/pub/lvm2/old/${PN/lvm/LVM}.${PV}.tgz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="readline static static-libs systemd clvm cman lvm1 lvm2create_initrd selinux +udev +thin device-mapper-only"
+REQUIRED_USE="device-mapper-only? ( !clvm !cman !lvm1 !lvm2create_initrd !thin )
+	systemd? ( udev )
+	clvm? ( !systemd )"
+
+DEPEND_COMMON="clvm? ( cman? ( =sys-cluster/cman-3* ) =sys-cluster/libdlm-3* )
+	readline? ( sys-libs/readline:0= )
+	udev? ( >=virtual/libudev-208:=[static-libs?] )"
+# /run is now required for locking during early boot. /var cannot be assumed to
+# be available -- thus, pull in recent enough baselayout for /run.
+# This version of LVM is incompatible with cryptsetup <1.1.2.
+RDEPEND="${DEPEND_COMMON}
+	>=sys-apps/baselayout-2.2
+	!<sys-apps/openrc-0.11
+	!<sys-fs/cryptsetup-1.1.2
+	!!sys-fs/clvm
+	!!sys-fs/lvm-user
+	>=sys-apps/util-linux-2.16
+	lvm2create_initrd? ( sys-apps/makedev )
+	thin? ( >=sys-block/thin-provisioning-tools-0.3.0 )"
+# note: thin- 0.3.0 is required to avoid --disable-thin_check_needs_check
+# USE 'static' currently only works with eudev, bug 520450
+DEPEND="${DEPEND_COMMON}
+	virtual/pkgconfig
+	>=sys-devel/binutils-2.20.1-r1
+	static? (
+		selinux? ( sys-libs/libselinux[static-libs] )
+		udev? ( >=sys-fs/eudev-3.1.2[static-libs] )
+		>=sys-apps/util-linux-2.16[static-libs]
+	)"
+
+S=${WORKDIR}/${PN/lvm/LVM}.${PV}
+
+pkg_setup() {
+	local CONFIG_CHECK="~SYSVIPC"
+
+	if use udev; then
+		local WARNING_SYSVIPC="CONFIG_SYSVIPC:\tis not set (required for udev sync)\n"
+		if linux_config_exists; then
+			local uevent_helper_path=$(linux_chkconfig_string UEVENT_HELPER_PATH)
+			if [ -n "${uevent_helper_path}" ] && [ "${uevent_helper_path}" != '""' ]; then
+				ewarn "It's recommended to set an empty value to the following kernel config option:"
+				ewarn "CONFIG_UEVENT_HELPER_PATH=${uevent_helper_path}"
+			fi
+		fi
+	fi
+
+	check_extra_config
+
+	# 1. Genkernel no longer copies /sbin/lvm blindly.
+	if use static; then
+		elog "Warning, we no longer overwrite /sbin/lvm and /sbin/dmsetup with"
+		elog "their static versions. If you need the static binaries,"
+		elog "you must append .static to the filename!"
+	fi
+}
+
+src_prepare() {
+	# Gentoo specific modification(s):
+	epatch "${FILESDIR}"/${PN}-2.02.108-example.conf.in.patch
+
+	sed -i \
+		-e "1iAR = $(tc-getAR)" \
+		-e "s:CC ?= @CC@:CC = $(tc-getCC):" \
+		make.tmpl.in || die #444082
+
+	sed -i -e '/FLAG/s:-O2::' configure{.in,} || die #480212
+
+	if use udev && ! use device-mapper-only; then
+		sed -i -e '/use_lvmetad =/s:0:1:' conf/example.conf.in || die #514196
+		elog "Notice that \"use_lvmetad\" setting is enabled with USE=\"udev\" in"
+		elog "/etc/lvm/lvm.conf, which will require restart of udev, lvm, and lvmetad"
+		elog "if it was previously disabled."
+	fi
+
+	sed -i -e "s:/usr/bin/true:$(type -P true):" scripts/blk_availability_systemd_red_hat.service.in || die #517514
+
+	# For upstream -- review and forward:
+	epatch "${FILESDIR}"/${PN}-2.02.63-always-make-static-libdm.patch
+	epatch "${FILESDIR}"/${PN}-2.02.56-lvm2create_initrd.patch
+	epatch "${FILESDIR}"/${PN}-2.02.67-createinitrd.patch #301331
+	epatch "${FILESDIR}"/${PN}-2.02.99-locale-muck.patch #330373
+	epatch "${FILESDIR}"/${PN}-2.02.70-asneeded.patch # -Wl,--as-needed
+	epatch "${FILESDIR}"/${PN}-2.02.92-dynamic-static-ldflags.patch #332905
+	epatch "${FILESDIR}"/${PN}-2.02.108-static-pkgconfig-libs.patch #370217, #439414 + blkid
+	epatch "${FILESDIR}"/${PN}-2.02.106-pthread-pkgconfig.patch #492450
+
+	# Without thin-privision-tools, there is nothing to install for target install_man7:
+	use thin || { sed -i -e '/^install_lvm2/s:install_man7::' man/Makefile.in || die; }
+
+	eautoreconf
+}
+
+src_configure() {
+	filter-flags -flto
+	local myconf
+	local buildmode
+
+	myconf="${myconf} $(use_enable !device-mapper-only dmeventd)"
+	myconf="${myconf} $(use_enable !device-mapper-only cmdlib)"
+	myconf="${myconf} $(use_enable !device-mapper-only applib)"
+	myconf="${myconf} $(use_enable !device-mapper-only fsadm)"
+	myconf="${myconf} $(use_enable !device-mapper-only lvmetad)"
+	use device-mapper-only && myconf="${myconf} --disable-udev-systemd-background-jobs"
+
+	# 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
+		buildmode="internal"
+		# This only causes the .static versions to become available
+		myconf="${myconf} --enable-static_link"
+	else
+		buildmode="shared"
+	fi
+	dmbuildmode=$(use !device-mapper-only && echo internal || echo none)
+
+	# dmeventd requires mirrors to be internal, and snapshot available
+	# so we cannot disable them
+	myconf="${myconf} --with-mirrors=${dmbuildmode}"
+	myconf="${myconf} --with-snapshots=${dmbuildmode}"
+	if use thin; then
+		myconf="${myconf} --with-thin=internal --with-cache=internal"
+		local texec
+		for texec in check dump repair restore; do
+			myconf="${myconf} --with-thin-${texec}=${EPREFIX}/sbin/thin_${texec}"
+			myconf="${myconf} --with-cache-${texec}=${EPREFIX}/sbin/cache_${texec}"
+		done
+	else
+		myconf="${myconf} --with-thin=none --with-cache=none"
+	fi
+
+	if use lvm1; then
+		myconf="${myconf} --with-lvm1=${buildmode}"
+	else
+		myconf="${myconf} --with-lvm1=none"
+	fi
+
+	# disable O_DIRECT support on hppa, breaks pv detection (#99532)
+	use hppa && myconf="${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"
+		#clvmd="${clvmd/cmangulm/all}"
+		[ -z "${clvmd}" ] && clvmd="none"
+		myconf="${myconf} --with-clvmd=${clvmd}"
+		myconf="${myconf} --with-pool=${buildmode}"
+	else
+		myconf="${myconf} --with-clvmd=none --with-cluster=none"
+	fi
+
+	econf \
+		$(use_enable readline) \
+		$(use_enable selinux) \
+		--enable-pkgconfig \
+		--with-confdir="${EPREFIX}"/etc \
+		--exec-prefix="${EPREFIX}" \
+		--sbindir="${EPREFIX}/sbin" \
+		--with-staticdir="${EPREFIX}"/sbin \
+		--libdir="${EPREFIX}/$(get_libdir)" \
+		--with-usrlibdir="${EPREFIX}/usr/$(get_libdir)" \
+		--with-default-dm-run-dir=/run \
+		--with-default-run-dir=/run/lvm \
+		--with-default-locking-dir=/run/lock/lvm \
+		--with-default-pid-dir=/run \
+		$(use_enable udev udev_rules) \
+		$(use_enable udev udev_sync) \
+		$(use_with udev udevdir "$(get_udevdir)"/rules.d) \
+		$(use_enable systemd udev-systemd-background-jobs) \
+		"$(systemd_with_unitdir)" \
+		${myconf} \
+		CLDFLAGS="${LDFLAGS}"
+}
+
+src_compile() {
+	pushd include >/dev/null
+	emake
+	popd >/dev/null
+
+	if use device-mapper-only ; then
+		emake device-mapper
+	else
+		emake
+		emake CC="$(tc-getCC)" -C scripts lvm2_activation_generator_systemd_red_hat
+	fi
+}
+
+src_install() {
+	local inst
+	INSTALL_TARGETS="install install_tmpfiles_configuration"
+	# install systemd related files only when requested, bug #522430
+	use systemd && INSTALL_TARGETS="${INSTALL_TARGETS} install_systemd_units install_systemd_generators"
+	use device-mapper-only && INSTALL_TARGETS="install_device-mapper"
+	for inst in ${INSTALL_TARGETS}; do
+		emake DESTDIR="${D}" ${inst}
+	done
+
+	newinitd "${FILESDIR}"/device-mapper.rc-2.02.105-r2 device-mapper
+	newconfd "${FILESDIR}"/device-mapper.conf-1.02.22-r3 device-mapper
+
+	if use !device-mapper-only ; then
+		newinitd "${FILESDIR}"/dmeventd.initd-2.02.67-r1 dmeventd
+		newinitd "${FILESDIR}"/lvm.rc-2.02.105-r2 lvm
+		newconfd "${FILESDIR}"/lvm.confd-2.02.28-r2 lvm
+
+		newinitd "${FILESDIR}"/lvm-monitoring.initd-2.02.105-r2 lvm-monitoring
+		newinitd "${FILESDIR}"/lvmetad.initd-2.02.105-r2 lvmetad
+	fi
+
+	if use clvm; then
+		newinitd "${FILESDIR}"/clvmd.rc-2.02.39 clvmd
+		newconfd "${FILESDIR}"/clvmd.confd-2.02.39 clvmd
+	fi
+
+	if use static-libs; then
+		dolib.a libdm/ioctl/libdevmapper.a
+		dolib.a libdaemon/client/libdaemonclient.a #462908
+		#gen_usr_ldscript libdevmapper.so
+		dolib.a daemons/dmeventd/libdevmapper-event.a
+		#gen_usr_ldscript libdevmapper-event.so
+	else
+		rm -f "${ED}"usr/$(get_libdir)/{libdevmapper-event,liblvm2cmd,liblvm2app,libdevmapper}.a
+	fi
+
+	if use lvm2create_initrd; then
+		dosbin scripts/lvm2create_initrd/lvm2create_initrd
+		doman scripts/lvm2create_initrd/lvm2create_initrd.8
+		newdoc scripts/lvm2create_initrd/README README.lvm2create_initrd
+	fi
+
+	insinto /etc
+	doins "${FILESDIR}"/dmtab
+
+	dodoc README VERSION* WHATS_NEW WHATS_NEW_DM doc/*.{c,txt} conf/*.conf
+}
+
+pkg_postinst() {
+	ewarn "Make sure the \"lvm\" init script is in the runlevels:"
+	ewarn "# rc-update add lvm boot"
+	ewarn
+	ewarn "Make sure to enable lvmetad in /etc/lvm/lvm.conf if you want"
+	ewarn "to enable lvm autoactivation and metadata caching."
+}
+
+src_test() {
+	einfo "Tests are disabled because of device-node mucking, if you want to"
+	einfo "run tests, compile the package and see ${S}/tests"
+}