sys-apps/busybox/busybox-1.29.3.ebuild - mirrors/cros/chromiumos/overlays/portage-stable - Git at Google

 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2

 # See `man savedconfig.eclass` for info on how to use USE=savedconfig.

 EAPI=6

 inherit flag-o-matic savedconfig toolchain-funcs

 DESCRIPTION="Utilities for rescue and embedded systems"
 HOMEPAGE="https://www.busybox.net/"
 if [[ ${PV} == "9999" ]] ; then
 	MY_P=${P}
 	EGIT_REPO_URI="https://git.busybox.net/busybox"
 	inherit git-r3
 else
 	MY_P=${PN}-${PV/_/-}
 	SRC_URI="https://www.busybox.net/downloads/${MY_P}.tar.bz2"
 	KEYWORDS="*"
 fi

 LICENSE="GPL-2" # GPL-2 only
 SLOT="0"
 IUSE="debug ipv6 livecd make-symlinks math mdev pam selinux sep-usr static syslog systemd"
 REQUIRED_USE="pam? ( !static )"
 RESTRICT="test"

 COMMON_DEPEND="!static? ( selinux? ( sys-libs/libselinux ) )
 	pam? ( sys-libs/pam )"
 DEPEND="${COMMON_DEPEND}
 	static? ( selinux? ( sys-libs/libselinux[static-libs(+)] ) )
 	>=sys-kernel/linux-headers-2.6.39"
 RDEPEND="${COMMON_DEPEND}
 	mdev? ( !<sys-apps/openrc-0.13 )"

 S=${WORKDIR}/${MY_P}

 busybox_config_option() {
 	local flag=$1 ; shift
 	if [[ ${flag} != [yn] && ${flag} != \"* ]] ; then
 		busybox_config_option $(usex ${flag} y n) "$@"
 		return
 	fi
 	local expr
 	while [[ $# -gt 0 ]] ; do
 		case ${flag} in
 		y) expr="s:.*\<CONFIG_$1\>.*set:CONFIG_$1=y:g" ;;
 		n) expr="s:CONFIG_$1=y:# CONFIG_$1 is not set:g" ;;
 		*) expr="s:.*\<CONFIG_$1\>.*:CONFIG_$1=${flag}:g" ;;
 		esac
 		sed -i -e "${expr}" .config || die
 		einfo "$(grep "CONFIG_$1[= ]" .config || echo "Could not find CONFIG_$1 ...")"
 		shift
 	done
 }

 busybox_config_enabled() {
 	local val=$(sed -n "/^CONFIG_$1=/s:^[^=]*=::p" .config)
 	case ${val} in
 	"") return 1 ;;
 	y)  return 0 ;;
 	*)  echo "${val}" | sed -r 's:^"(.*)"$:\1:' ;;
 	esac
 }

 # patches go here!
 PATCHES=(
 	"${FILESDIR}"/${PN}-1.26.2-bb.patch
 	# "${FILESDIR}"/${P}-*.patch
 )

 src_prepare() {
 	default
 	unset KBUILD_OUTPUT #88088
 	append-flags -fno-strict-aliasing #310413
 	use ppc64 && append-flags -mminimal-toc #130943

 	cp "${FILESDIR}"/ginit.c init/ || die

 	# flag cleanup
 	sed -i -r \
 		-e 's:[[:space:]]?-(Werror|Os|falign-(functions|jumps|loops|labels)=1|fomit-frame-pointer)\>::g' \
 		Makefile.flags || die
 	#sed -i '/bbsh/s:^//::' include/applets.h
 	sed -i '/^#error Aborting compilation./d' applets/applets.c || die
 	use elibc_glibc && sed -i 's:-Wl,--gc-sections::' Makefile
 	sed -i \
 		-e "/^CROSS_COMPILE/s:=.*:= ${CHOST}-:" \
 		-e "/^AR\>/s:=.*:= $(tc-getAR):" \
 		-e "/^CC\>/s:=.*:= $(tc-getCC):" \
 		-e "/^HOSTCC/s:=.*:= $(tc-getBUILD_CC):" \
 		-e "/^PKG_CONFIG\>/s:=.*:= $(tc-getPKG_CONFIG):" \
 		Makefile || die
 	sed -i \
 		-e 's:-static-libgcc::' \
 		Makefile.flags || die
 }

 src_configure() {
 	# check for a busybox config before making one of our own.
 	# if one exist lets return and use it.

 	restore_config .config
 	if [ -f .config ]; then
 		yes "" | emake -j1 -s oldconfig >/dev/null
 		return 0
 	else
 		ewarn "Could not locate user configfile, so we will save a default one"
 	fi

 	# setup the config file
 	emake -j1 -s allyesconfig >/dev/null
 	# nommu forces a bunch of things off which we want on #387555
 	busybox_config_option n NOMMU
 	sed -i '/^#/d' .config
 	yes "" | emake -j1 -s oldconfig >/dev/null

 	# now turn off stuff we really don't want
 	busybox_config_option n DMALLOC
 	busybox_config_option n FEATURE_2_4_MODULES #607548
 	busybox_config_option n FEATURE_SUID_CONFIG
 	busybox_config_option n BUILD_AT_ONCE
 	busybox_config_option n BUILD_LIBBUSYBOX
 	busybox_config_option n FEATURE_CLEAN_UP
 	busybox_config_option n MONOTONIC_SYSCALL
 	busybox_config_option n USE_PORTABLE_CODE
 	busybox_config_option n WERROR
 	# triming the BSS size may be dangerous
 	busybox_config_option n FEATURE_USE_BSS_TAIL

 	# These cause trouble with musl.
 	if use elibc_musl; then
 		busybox_config_option n FEATURE_UTMP
 		busybox_config_option n EXTRA_COMPAT
 		busybox_config_option n FEATURE_VI_REGEX_SEARCH
 	fi

 	# If these are not set and we are using a uclibc/busybox setup
 	# all calls to system() will fail.
 	busybox_config_option y ASH
 	busybox_config_option y SH_IS_ASH
 	busybox_config_option n HUSH
 	busybox_config_option n SH_IS_HUSH

 	busybox_config_option '"/run"' PID_FILE_PATH
 	busybox_config_option '"/run/ifstate"' IFUPDOWN_IFSTATE_PATH

 	# disable ipv6 applets
 	if ! use ipv6; then
 		busybox_config_option n FEATURE_IPV6
 		busybox_config_option n TRACEROUTE6
 		busybox_config_option n PING6
 		busybox_config_option n UDHCPC6
 	fi

 	busybox_config_option pam PAM
 	busybox_config_option static STATIC
 	busybox_config_option syslog {K,SYS}LOGD LOGGER
 	busybox_config_option systemd FEATURE_SYSTEMD
 	busybox_config_option math FEATURE_AWK_LIBM

 	# disable features that uClibc doesn't (yet?) provide.
 	if use elibc_uclibc; then
 		busybox_config_option n FEATURE_SYNC_FANCY #567598
 		busybox_config_option n NSENTER
 	fi

 	# all the debug options are compiler related, so punt them
 	busybox_config_option n DEBUG_SANITIZE
 	busybox_config_option n DEBUG
 	busybox_config_option y NO_DEBUG_LIB
 	busybox_config_option n DMALLOC
 	busybox_config_option n EFENCE
 	busybox_config_option $(usex debug y n) TFTP_DEBUG

 	busybox_config_option selinux SELINUX

 	# this opt only controls mounting with <linux-2.6.23
 	busybox_config_option n FEATURE_MOUNT_NFS

 	# default a bunch of uncommon options to off
 	local opt
 	for opt in \
 		ADD_SHELL \
 		BEEP BOOTCHARTD \
 		CRONTAB \
 		DC DEVFSD DNSD DPKG{,_DEB} \
 		FAKEIDENTD FBSPLASH FOLD FSCK_MINIX FTP{GET,PUT} \
 		FEATURE_DEVFS \
 		HOSTID HUSH \
 		INETD INOTIFYD IPCALC \
 		LOCALE_SUPPORT LOGNAME LPD \
 		MAKEMIME MKFS_MINIX MSH \
 		OD \
 		RDEV READPROFILE REFORMIME REMOVE_SHELL RFKILL RUN_PARTS RUNSV{,DIR} \
 		SLATTACH SMEMCAP SULOGIN SV{,LOGD} \
 		TASKSET TCPSVD \
 		RPM RPM2CPIO \
 		UDPSVD UUDECODE UUENCODE
 	do
 		busybox_config_option n ${opt}
 	done

 	emake -j1 oldconfig > /dev/null
 }

 src_compile() {
 	unset KBUILD_OUTPUT #88088
 	export SKIP_STRIP=y

 	emake V=1 busybox
 }

 src_install() {
 	unset KBUILD_OUTPUT #88088
 	save_config .config

 	into /
 	dodir /bin
 	if use sep-usr ; then
 		# install /ginit to take care of mounting stuff
 		exeinto /
 		newexe busybox_unstripped ginit
 		dosym /ginit /bin/bb
 		dosym bb /bin/busybox
 	else
 		newbin busybox_unstripped busybox
 		dosym busybox /bin/bb
 	fi
 	if use mdev ; then
 		dodir /$(get_libdir)/mdev/
 		use make-symlinks || dosym /bin/bb /sbin/mdev
 		cp "${S}"/examples/mdev_fat.conf "${ED}"/etc/mdev.conf

 		exeinto /$(get_libdir)/mdev/
 		doexe "${FILESDIR}"/mdev/*

 		newinitd "${FILESDIR}"/mdev.initd mdev
 	fi
 	if use livecd ; then
 		dosym busybox /bin/vi
 	fi

 	# add busybox daemon's, bug #444718
 	if busybox_config_enabled FEATURE_NTPD_SERVER; then
 		newconfd "${FILESDIR}/ntpd.confd" "busybox-ntpd"
 		newinitd "${FILESDIR}/ntpd.initd" "busybox-ntpd"
 	fi
 	if busybox_config_enabled SYSLOGD; then
 		newconfd "${FILESDIR}/syslogd.confd" "busybox-syslogd"
 		newinitd "${FILESDIR}/syslogd.initd" "busybox-syslogd"
 	fi
 	if busybox_config_enabled KLOGD; then
 		newconfd "${FILESDIR}/klogd.confd" "busybox-klogd"
 		newinitd "${FILESDIR}/klogd.initd" "busybox-klogd"
 	fi
 	if busybox_config_enabled WATCHDOG; then
 		newconfd "${FILESDIR}/watchdog.confd" "busybox-watchdog"
 		newinitd "${FILESDIR}/watchdog.initd" "busybox-watchdog"
 	fi
 	if busybox_config_enabled UDHCPC; then
 		local path=$(busybox_config_enabled UDHCPC_DEFAULT_SCRIPT)
 		exeinto "${path%/*}"
 		newexe examples/udhcp/simple.script "${path##*/}"
 	fi
 	if busybox_config_enabled UDHCPD; then
 		insinto /etc
 		doins examples/udhcp/udhcpd.conf
 	fi

 	# bundle up the symlink files for use later
 	emake DESTDIR="${ED}" install
 	rm _install/bin/busybox
 	# for compatibility, provide /usr/bin/env
 	mkdir -p _install/usr/bin
 	ln -s /bin/env _install/usr/bin/env
 	tar cf busybox-links.tar -C _install . || : #;die
 	insinto /usr/share/${PN}
 	use make-symlinks && doins busybox-links.tar

 	dodoc AUTHORS README TODO

 	cd docs
 	docinto txt
 	dodoc *.txt
 	docinto pod
 	dodoc *.pod
 	docinto html
 	dodoc *.html

 	cd ../examples
 	docinto examples
 	dodoc inittab depmod.pl *.conf *.script undeb unrpm
 }

 pkg_preinst() {
 	if use make-symlinks && [[ ! ${VERY_BRAVE_OR_VERY_DUMB} == "yes" ]] && [[ ${ROOT} == "/" ]] ; then
 		ewarn "setting USE=make-symlinks and emerging to / is very dangerous."
 		ewarn "it WILL overwrite lots of system programs like: ls bash awk grep (bug 60805 for full list)."
 		ewarn "If you are creating a binary only and not merging this is probably ok."
 		ewarn "set env VERY_BRAVE_OR_VERY_DUMB=yes if this is really what you want."
 		die "silly options will destroy your system"
 	fi

 	if use make-symlinks ; then
 		mv "${ED}"/usr/share/${PN}/busybox-links.tar "${T}"/ || die
 	fi
 }

 pkg_postinst() {
 	savedconfig_pkg_postinst

 	if use make-symlinks ; then
 		cd "${T}" || die
 		mkdir _install
 		tar xf busybox-links.tar -C _install || die
 		cp -vpPR _install/* "${ROOT}"/ || die "copying links for ${x} failed"
 	fi

 	if use sep-usr ; then
 		elog "In order to use the sep-usr support, you have to update your"
 		elog "kernel command line.  Add the option:"
 		elog "     init=/ginit"
 		elog "To launch a different init than /sbin/init, use:"
 		elog "     init=/ginit /sbin/yourinit"
 		elog "To get a rescue shell, you may boot with:"
 		elog "     init=/ginit bb"
 	fi
 }
	# Copyright 1999-2018 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2

	# See `man savedconfig.eclass` for info on how to use USE=savedconfig.

	EAPI=6

	inherit flag-o-matic savedconfig toolchain-funcs

	DESCRIPTION="Utilities for rescue and embedded systems"
	HOMEPAGE="https://www.busybox.net/"
	if [[ ${PV} == "9999" ]] ; then
	MY_P=${P}
	EGIT_REPO_URI="https://git.busybox.net/busybox"
	inherit git-r3
	else
	MY_P=${PN}-${PV/_/-}
	SRC_URI="https://www.busybox.net/downloads/${MY_P}.tar.bz2"
	KEYWORDS="*"
	fi

	LICENSE="GPL-2" # GPL-2 only
	SLOT="0"
	IUSE="debug ipv6 livecd make-symlinks math mdev pam selinux sep-usr static syslog systemd"
	REQUIRED_USE="pam? ( !static )"
	RESTRICT="test"

	COMMON_DEPEND="!static? ( selinux? ( sys-libs/libselinux ) )
	pam? ( sys-libs/pam )"
	DEPEND="${COMMON_DEPEND}
	static? ( selinux? ( sys-libs/libselinux[static-libs(+)] ) )
	>=sys-kernel/linux-headers-2.6.39"
	RDEPEND="${COMMON_DEPEND}
	mdev? ( !<sys-apps/openrc-0.13 )"

	S=${WORKDIR}/${MY_P}

	busybox_config_option() {
	local flag=$1 ; shift
	if [[ ${flag} != [yn] && ${flag} != \"* ]] ; then
	busybox_config_option $(usex ${flag} y n) "$@"
	return
	fi
	local expr
	while [[ $# -gt 0 ]] ; do
	case ${flag} in
	y) expr="s:.\<CONFIG_$1\>.set:CONFIG_$1=y:g" ;;
	n) expr="s:CONFIG_$1=y:# CONFIG_$1 is not set:g" ;;
	) expr="s:.\<CONFIG_$1\>.*:CONFIG_$1=${flag}:g" ;;
	esac
	sed -i -e "${expr}" .config \|\| die
	einfo "$(grep "CONFIG_$1[= ]" .config \|\| echo "Could not find CONFIG_$1 ...")"
	shift
	done
	}

	busybox_config_enabled() {
	local val=$(sed -n "/^CONFIG_$1=/s:^[^=]*=::p" .config)
	case ${val} in
	"") return 1 ;;
	y) return 0 ;;
	) echo "${val}" \| sed -r 's:^"(.)"$:\1:' ;;
	esac
	}

	# patches go here!
	PATCHES=(
	"${FILESDIR}"/${PN}-1.26.2-bb.patch
	# "${FILESDIR}"/${P}-*.patch
	)

	src_prepare() {
	default
	unset KBUILD_OUTPUT #88088
	append-flags -fno-strict-aliasing #310413
	use ppc64 && append-flags -mminimal-toc #130943

	cp "${FILESDIR}"/ginit.c init/ \|\| die

	# flag cleanup
	sed -i -r \
	-e 's:[[:space:]]?-(Werror\|Os\|falign-(functions\|jumps\|loops\|labels)=1\|fomit-frame-pointer)\>::g' \
	Makefile.flags \|\| die
	#sed -i '/bbsh/s:^//::' include/applets.h
	sed -i '/^#error Aborting compilation./d' applets/applets.c \|\| die
	use elibc_glibc && sed -i 's:-Wl,--gc-sections::' Makefile
	sed -i \
	-e "/^CROSS_COMPILE/s:=.*:= ${CHOST}-:" \
	-e "/^AR\>/s:=.*:= $(tc-getAR):" \
	-e "/^CC\>/s:=.*:= $(tc-getCC):" \
	-e "/^HOSTCC/s:=.*:= $(tc-getBUILD_CC):" \
	-e "/^PKG_CONFIG\>/s:=.*:= $(tc-getPKG_CONFIG):" \
	Makefile \|\| die
	sed -i \
	-e 's:-static-libgcc::' \
	Makefile.flags \|\| die
	}

	src_configure() {
	# check for a busybox config before making one of our own.
	# if one exist lets return and use it.

	restore_config .config
	if [ -f .config ]; then
	yes "" \| emake -j1 -s oldconfig >/dev/null
	return 0
	else
	ewarn "Could not locate user configfile, so we will save a default one"
	fi

	# setup the config file
	emake -j1 -s allyesconfig >/dev/null
	# nommu forces a bunch of things off which we want on #387555
	busybox_config_option n NOMMU
	sed -i '/^#/d' .config
	yes "" \| emake -j1 -s oldconfig >/dev/null

	# now turn off stuff we really don't want
	busybox_config_option n DMALLOC
	busybox_config_option n FEATURE_2_4_MODULES #607548
	busybox_config_option n FEATURE_SUID_CONFIG
	busybox_config_option n BUILD_AT_ONCE
	busybox_config_option n BUILD_LIBBUSYBOX
	busybox_config_option n FEATURE_CLEAN_UP
	busybox_config_option n MONOTONIC_SYSCALL
	busybox_config_option n USE_PORTABLE_CODE
	busybox_config_option n WERROR
	# triming the BSS size may be dangerous
	busybox_config_option n FEATURE_USE_BSS_TAIL

	# These cause trouble with musl.
	if use elibc_musl; then
	busybox_config_option n FEATURE_UTMP
	busybox_config_option n EXTRA_COMPAT
	busybox_config_option n FEATURE_VI_REGEX_SEARCH
	fi

	# If these are not set and we are using a uclibc/busybox setup
	# all calls to system() will fail.
	busybox_config_option y ASH
	busybox_config_option y SH_IS_ASH
	busybox_config_option n HUSH
	busybox_config_option n SH_IS_HUSH

	busybox_config_option '"/run"' PID_FILE_PATH
	busybox_config_option '"/run/ifstate"' IFUPDOWN_IFSTATE_PATH

	# disable ipv6 applets
	if ! use ipv6; then
	busybox_config_option n FEATURE_IPV6
	busybox_config_option n TRACEROUTE6
	busybox_config_option n PING6
	busybox_config_option n UDHCPC6
	fi

	busybox_config_option pam PAM
	busybox_config_option static STATIC
	busybox_config_option syslog {K,SYS}LOGD LOGGER
	busybox_config_option systemd FEATURE_SYSTEMD
	busybox_config_option math FEATURE_AWK_LIBM

	# disable features that uClibc doesn't (yet?) provide.
	if use elibc_uclibc; then
	busybox_config_option n FEATURE_SYNC_FANCY #567598
	busybox_config_option n NSENTER
	fi

	# all the debug options are compiler related, so punt them
	busybox_config_option n DEBUG_SANITIZE
	busybox_config_option n DEBUG
	busybox_config_option y NO_DEBUG_LIB
	busybox_config_option n DMALLOC
	busybox_config_option n EFENCE
	busybox_config_option $(usex debug y n) TFTP_DEBUG

	busybox_config_option selinux SELINUX

	# this opt only controls mounting with <linux-2.6.23
	busybox_config_option n FEATURE_MOUNT_NFS

	# default a bunch of uncommon options to off
	local opt
	for opt in \
	ADD_SHELL \
	BEEP BOOTCHARTD \
	CRONTAB \
	DC DEVFSD DNSD DPKG{,_DEB} \
	FAKEIDENTD FBSPLASH FOLD FSCK_MINIX FTP{GET,PUT} \
	FEATURE_DEVFS \
	HOSTID HUSH \
	INETD INOTIFYD IPCALC \
	LOCALE_SUPPORT LOGNAME LPD \
	MAKEMIME MKFS_MINIX MSH \
	OD \
	RDEV READPROFILE REFORMIME REMOVE_SHELL RFKILL RUN_PARTS RUNSV{,DIR} \
	SLATTACH SMEMCAP SULOGIN SV{,LOGD} \
	TASKSET TCPSVD \
	RPM RPM2CPIO \
	UDPSVD UUDECODE UUENCODE
	do
	busybox_config_option n ${opt}
	done

	emake -j1 oldconfig > /dev/null
	}

	src_compile() {
	unset KBUILD_OUTPUT #88088
	export SKIP_STRIP=y

	emake V=1 busybox
	}

	src_install() {
	unset KBUILD_OUTPUT #88088
	save_config .config

	into /
	dodir /bin
	if use sep-usr ; then
	# install /ginit to take care of mounting stuff
	exeinto /
	newexe busybox_unstripped ginit
	dosym /ginit /bin/bb
	dosym bb /bin/busybox
	else
	newbin busybox_unstripped busybox
	dosym busybox /bin/bb
	fi
	if use mdev ; then
	dodir /$(get_libdir)/mdev/
	use make-symlinks \|\| dosym /bin/bb /sbin/mdev
	cp "${S}"/examples/mdev_fat.conf "${ED}"/etc/mdev.conf

	exeinto /$(get_libdir)/mdev/
	doexe "${FILESDIR}"/mdev/*

	newinitd "${FILESDIR}"/mdev.initd mdev
	fi
	if use livecd ; then
	dosym busybox /bin/vi
	fi

	# add busybox daemon's, bug #444718
	if busybox_config_enabled FEATURE_NTPD_SERVER; then
	newconfd "${FILESDIR}/ntpd.confd" "busybox-ntpd"
	newinitd "${FILESDIR}/ntpd.initd" "busybox-ntpd"
	fi
	if busybox_config_enabled SYSLOGD; then
	newconfd "${FILESDIR}/syslogd.confd" "busybox-syslogd"
	newinitd "${FILESDIR}/syslogd.initd" "busybox-syslogd"
	fi
	if busybox_config_enabled KLOGD; then
	newconfd "${FILESDIR}/klogd.confd" "busybox-klogd"
	newinitd "${FILESDIR}/klogd.initd" "busybox-klogd"
	fi
	if busybox_config_enabled WATCHDOG; then
	newconfd "${FILESDIR}/watchdog.confd" "busybox-watchdog"
	newinitd "${FILESDIR}/watchdog.initd" "busybox-watchdog"
	fi
	if busybox_config_enabled UDHCPC; then
	local path=$(busybox_config_enabled UDHCPC_DEFAULT_SCRIPT)
	exeinto "${path%/*}"
	newexe examples/udhcp/simple.script "${path##*/}"
	fi
	if busybox_config_enabled UDHCPD; then
	insinto /etc
	doins examples/udhcp/udhcpd.conf
	fi

	# bundle up the symlink files for use later
	emake DESTDIR="${ED}" install
	rm _install/bin/busybox
	# for compatibility, provide /usr/bin/env
	mkdir -p _install/usr/bin
	ln -s /bin/env _install/usr/bin/env
	tar cf busybox-links.tar -C _install . \|\| : #;die
	insinto /usr/share/${PN}
	use make-symlinks && doins busybox-links.tar

	dodoc AUTHORS README TODO

	cd docs
	docinto txt
	dodoc *.txt
	docinto pod
	dodoc *.pod
	docinto html
	dodoc *.html

	cd ../examples
	docinto examples
	dodoc inittab depmod.pl .conf .script undeb unrpm
	}

	pkg_preinst() {
	if use make-symlinks && [[ ! ${VERY_BRAVE_OR_VERY_DUMB} == "yes" ]] && [[ ${ROOT} == "/" ]] ; then
	ewarn "setting USE=make-symlinks and emerging to / is very dangerous."
	ewarn "it WILL overwrite lots of system programs like: ls bash awk grep (bug 60805 for full list)."
	ewarn "If you are creating a binary only and not merging this is probably ok."
	ewarn "set env VERY_BRAVE_OR_VERY_DUMB=yes if this is really what you want."
	die "silly options will destroy your system"
	fi

	if use make-symlinks ; then
	mv "${ED}"/usr/share/${PN}/busybox-links.tar "${T}"/ \|\| die
	fi
	}

	pkg_postinst() {
	savedconfig_pkg_postinst

	if use make-symlinks ; then
	cd "${T}" \|\| die
	mkdir _install
	tar xf busybox-links.tar -C _install \|\| die
	cp -vpPR _install/* "${ROOT}"/ \|\| die "copying links for ${x} failed"
	fi

	if use sep-usr ; then
	elog "In order to use the sep-usr support, you have to update your"
	elog "kernel command line. Add the option:"
	elog " init=/ginit"
	elog "To launch a different init than /sbin/init, use:"
	elog " init=/ginit /sbin/yourinit"
	elog "To get a rescue shell, you may boot with:"
	elog " init=/ginit bb"
	fi
	}