From 2e8c30cf33e96e274478e15d3daddb533674f117 Mon Sep 17 00:00:00 2001
From: Michael Haubenwallner <haubi@gentoo.org>
Date: Fri, 13 Mar 2020 15:35:02 +0100
Subject: app-portage/prefix-toolkit: old

Package-Manager: Portage-2.3.89, Repoman-2.3.20
Signed-off-by: Michael Haubenwallner <haubi@gentoo.org>
---
 app-portage/prefix-toolkit/prefix-toolkit-4.ebuild | 650 -------------------
 app-portage/prefix-toolkit/prefix-toolkit-5.ebuild | 665 --------------------
 app-portage/prefix-toolkit/prefix-toolkit-6.ebuild | 685 --------------------
 app-portage/prefix-toolkit/prefix-toolkit-7.ebuild | 692 ---------------------
 4 files changed, 2692 deletions(-)
 delete mode 100644 app-portage/prefix-toolkit/prefix-toolkit-4.ebuild
 delete mode 100644 app-portage/prefix-toolkit/prefix-toolkit-5.ebuild
 delete mode 100644 app-portage/prefix-toolkit/prefix-toolkit-6.ebuild
 delete mode 100644 app-portage/prefix-toolkit/prefix-toolkit-7.ebuild

(limited to 'app-portage')

diff --git a/app-portage/prefix-toolkit/prefix-toolkit-4.ebuild b/app-portage/prefix-toolkit/prefix-toolkit-4.ebuild
deleted file mode 100644
index cfe11c4c353a..000000000000
--- a/app-portage/prefix-toolkit/prefix-toolkit-4.ebuild
+++ /dev/null
@@ -1,650 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Utilities for users of Gentoo Prefix"
-HOMEPAGE="https://prefix.gentoo.org/"
-SRC_URI=""
-
-LICENSE="GPL-3"
-SLOT="0"
-
-[[ ${PV} == 9999 ]] ||
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
-
-DEPEND="
-	!app-portage/prefix-chain-setup
-	!sys-apps/prefix-chain-utils
-"
-BDEPEND="${DEPEND}
-	>sys-apps/portage-2.3.62
-"
-# In prefix-stack, these dependencies actually are the @system set,
-# as we rely on the base prefix anyway for package management,
-# which should have a proper @system set.
-# See als: pkg_preinst
-RDEPEND="${DEPEND}
-	prefix-stack? (
-		>=sys-apps/baselayout-prefix-2.6
-		sys-apps/gentoo-functions
-		app-portage/elt-patches
-		sys-devel/gnuconfig
-		sys-devel/gcc-config
-	)
-"
-
-S="${WORKDIR}"
-
-my_unpack() {
-	local infile=$1
-	local outfile=${2:-${infile}}
-	ebegin "extracting ${outfile}"
-	sed -ne "/^: ${infile} /,/EOIN/{/EOIN/d;p}" "${EBUILD}" \
-		> "${outfile}" || die "Failed to unpack ${outfile}"
-	eend $?
-}
-
-src_unpack() {
-	if use prefix-stack ; then
-		my_unpack prefix-stack.bash_login
-		my_unpack prefix-stack.bashrc
-		my_unpack prefix-stack.envd.99stack
-		my_unpack prefix-stack-ccwrap
-		local editor pager
-		for editor in "${EDITOR}" {"${EPREFIX}","${BROOT}"}/bin/nano
-		do
-			[[ -x ${editor} ]] || continue
-		done
-		for pager in "${PAGER}" {"${EPREFIX}","${BROOT}"}/usr/bin/less
-		do
-			[[ -x ${pager} ]] || continue
-		done
-		printf '%s\n' "EDITOR=\"${editor}\"" "PAGER=\"${pager}\"" > 000fallback
-	else
-		my_unpack prefix-stack-setup
-	fi
-	my_unpack startprefix
-}
-
-my_prefixify() {
-	local ebash eenv
-	if use prefix-stack ; then
-		ebash="${BROOT}/bin/bash"
-		eenv="${BROOT}/usr/bin/env"
-	else
-		ebash="${EPREFIX}/bin/bash"
-		eenv="${EPREFIX}/usr/bin/env"
-	fi
-
-	# the @=@ prevents repoman from believing we set readonly vars
-	sed -e "s,@GENTOO_PORTAGE_BPREFIX@,${BROOT},g" \
-		-e "s,@GENTOO_PORTAGE_EPREFIX@,${EPREFIX},g" \
-		-e "s,@GENTOO_PORTAGE_CHOST@,${CHOST},g" \
-		-e "s,@GENTOO_PORTAGE_EBASH@,${ebash},g" \
-		-e "s,@GENTOO_PORTAGE_EENV@,${eenv},g" \
-		-e "s,@=@,=,g" \
-		-i "$@" || die
-}
-
-src_configure() {
-	# do not eprefixify during unpack, to allow userpatches to apply
-	my_prefixify *
-}
-
-src_install-prefix-stack-ccwrap() {
-	# install toolchain wrapper.
-	local wrapperdir=/usr/${CHOST}/gcc-bin/${CHOST}-${PN}/${PV}
-	local wrappercfg=${CHOST}-${P}
-
-	exeinto $wrapperdir
-	doexe prefix-stack-ccwrap
-
-	local cc
-	for cc in \
-		gcc \
-		g++ \
-		cpp \
-		c++ \
-		windres \
-	; do
-		dosym prefix-stack-ccwrap $wrapperdir/${CHOST}-${cc}
-		dosym ${CHOST}-${cc} $wrapperdir/${cc}
-	done
-
-	# LDPATH is required to keep gcc-config happy :(
-	cat > ./${wrappercfg} <<-EOF
-		GCC_PATH="${EPREFIX}$wrapperdir"
-		LDPATH="${EPREFIX}$wrapperdir"
-		EOF
-
-	insinto /etc/env.d/gcc
-	doins ./${wrappercfg}
-}
-
-src_install() {
-	if use prefix-stack; then
-		src_install-prefix-stack-ccwrap
-		insinto /etc
-		doins prefix-stack.bash_login
-		insinto /etc/bash
-		newins prefix-stack.bashrc bashrc
-		newenvd prefix-stack.envd.99stack 99stack
-		doenvd 000fallback
-	else
-		dobin prefix-stack-setup
-	fi
-	exeinto /
-	doexe startprefix
-}
-
-pkg_preinst() {
-	use prefix-stack || return 0
-	ebegin "Purging @system package set for prefix stack"
-	# In prefix stack we empty out the @system set defined via make.profile,
-	# as we may be using some normal profile, but that @system set applies
-	# to the base prefix only.
-	# Instead, we only put ourselve into the @system set, and have additional
-	# @system packages in our RDEPEND.
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-	local systemset="/etc/portage/profile/packages"
-	dodir "${systemset%/*}"
-	[[ -s ${EROOT}${systemset} ]] &&
-		grep -v "# maintained by ${PN}" \
-			"${EROOT}${systemset}" \
-			> "${ED}${systemset}"
-	local p
-	for p in $(my_lsprofile "${EPREFIX}"/etc/portage/make.profile)
-	do
-		[[ -s ${p}/${systemset##*/} ]] || continue
-		awk '/^[ \t]*[^-#]/{print "-" $1 " # maintained by '"${PN}-${PVR}"'"}' \
-			< "${p}"/packages || die
-	done | sort -u >> "${ED}${systemset}"
-	[[ ${PIPESTATUS[@]} == "0 0" ]] || die "failed to collect for ${systemset}"
-	echo "*${CATEGORY}/${PN} # maintained by ${PN}-${PVR}" >> "${ED}${systemset}" || die
-	eend $?
-}
-
-return 0
-
-: startprefix <<'EOIN'
-#!@GENTOO_PORTAGE_EBASH@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# Fabian Groffen <grobian@gentoo.org> -- 2007-03-10
-# Enters the prefix environment by starting a login shell from the
-# prefix.  The SHELL environment variable is elevated in order to make
-# applications that start login shells to work, such as `screen`.
-
-# if you come from a substantially polluted environment (another
-# Prefix), a cleanup as follows resolves most oddities I've ever seen:
-# env -i HOME=$HOME TERM=$TERM USER=$USER $SHELL -l
-# hence this script starts the Prefix shell like this
-
-if [[ ${SHELL#@GENTOO_PORTAGE_EPREFIX@} != ${SHELL} ]]
-then
-	echo "You appear to be in prefix already (SHELL=${SHELL})" > /dev/stderr
-	exit -1
-elif [[ ${SHELL#@GENTOO_PORTAGE_BPREFIX@} != ${SHELL} ]] &&
-	 [[ ${EPREFIX-unset} == '@GENTOO_PORTAGE_EPREFIX@' ]]
-then
-	echo "You appear to be in stacked prefix already (EPREFIX=${EPREFIX})" > /dev/stderr
-	exit -1
-fi
-
-# What is our prefix?
-EPREFIX@=@'@GENTOO_PORTAGE_EPREFIX@'
-BPREFIX@=@'@GENTOO_PORTAGE_BPREFIX@'
-
-# not all systems have the same location for shells, however what it
-# boils down to, is that we need to know what the shell is, and then we
-# can find it in the bin dir of our prefix
-for SHELL in \
-	"${EPREFIX}/bin/${SHELL##*/}" \
-	"${BPREFIX}/bin/${SHELL##*/}" \
-	${SHELL##*/}
-do
-	[[ ${SHELL} == */* && -x ${SHELL} ]] && break
-done
-
-# check if the shell exists
-if [[ ${SHELL} != */* ]]
-then
-	echo "Failed to find the Prefix shell, this is probably" > /dev/stderr
-	echo "because you didn't emerge the shell ${SHELL}" > /dev/stderr
-	exit 1
-fi
-
-# set the prefix shell in the environment
-export SHELL
-
-# give a small notice
-echo "Entering Gentoo Prefix ${EPREFIX}"
-# start the login shell, clean the entire environment but what's needed
-RETAIN="HOME=$HOME TERM=$TERM USER=$USER SHELL=$SHELL"
-# PROFILEREAD is necessary on SUSE not to wipe the env on shell start
-[[ -n ${PROFILEREAD} ]] && RETAIN+=" PROFILEREAD=$PROFILEREAD"
-# ssh-agent is handy to keep, of if set, inherit it
-[[ -n ${SSH_AUTH_SOCK} ]] && RETAIN+=" SSH_AUTH_SOCK=$SSH_AUTH_SOCK"
-# if we're on some X terminal, makes sense to inherit that too
-[[ -n ${DISPLAY} ]] && RETAIN+=" DISPLAY=$DISPLAY"
-# do it!
-if [[ ${SHELL#${EPREFIX}} != ${SHELL} ]] ; then
-	'@GENTOO_PORTAGE_EENV@' -i $RETAIN $SHELL -l
-elif [[ ' bash ' == *" ${SHELL##*/} "* ]] ; then
-	# shell coming from different prefix would load it's own
-	# etc/profile upon -l, so we have to override
-	'@GENTOO_PORTAGE_EENV@' -i ${RETAIN} "${SHELL}" --rcfile "${EPREFIX}"/etc/prefix-stack.bash_login -i
-else
-	echo "Only bash is supported with stacked Prefix (you have ${SHELL##*/}), sorry!" > /dev/stderr
-	exit 1
-fi
-# and leave a message when we exit... the shell might return non-zero
-# without having real problems, so don't send alarming messages about
-# that
-echo "Leaving Gentoo Prefix with exit status $?"
-EOIN
-
-: prefix-stack.bashrc <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, yet
-# etc/bash/bashrc from base Prefix still is useful.
-#
-
-if [[ $- != *i* ]] ; then
-	# Shell is non-interactive, bashrc does not apply
-	return
-fi
-
-if [[ -r @GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc ]] ; then
-	source '@GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc'
-	# only if base Prefix does have an etc/bash/bashrc, we also
-	# run bashrc snippets provided by packages in stacked Prefix
-	for sh in '@GENTOO_PORTAGE_EPREFIX@'/etc/bash/bashrc.d/* ; do
-		[[ -r ${sh} ]] && source "${sh}"
-	done
-	unset sh
-else
-	# etc/profile does expect etc/bash/bashrc to set PS1
-	PS1='\u@\h \w \$ '
-fi
-EOIN
-
-: prefix-stack.bash_login <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, so there is
-# no bash able to load this Prefix' profile as login shell.
-# Instead, you can specify this one as bash rcfile to mimic
-# a bash login shell using this stacked Prefix profile.
-#
-
-if [[ -s '@GENTOO_PORTAGE_EPREFIX@/etc/profile' ]] ; then
-	. '@GENTOO_PORTAGE_EPREFIX@/etc/profile'
-fi
-if [[ -s ~/.bash_profile ]] ; then
-	. ~/.bash_profile
-elif [[ -s ~/.bash_login ]] ; then
-	. ~/.bash_login
-elif [[ -s ~/.profile ]] ; then
-	. ~/.profile
-fi
-EOIN
-
-: prefix-stack.envd.99stack <<'EOIN'
-PKG_CONFIG_PATH@=@"@GENTOO_PORTAGE_EPREFIX@/usr/lib/pkgconfig:@GENTOO_PORTAGE_EPREFIX@/usr/share/pkgconfig"
-PORTAGE_CONFIGROOT@=@"@GENTOO_PORTAGE_EPREFIX@"
-EPREFIX@=@"@GENTOO_PORTAGE_EPREFIX@"
-EOIN
-
-: prefix-stack-setup <<'EOIN'
-#!@GENTOO_PORTAGE_EPREFIX@/bin/bash
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
-PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
-CHILD_EPREFIX=
-CHILD_PROFILE=
-CHILD_CHOST=
-
-#
-# get ourselfs the functions.sh script for ebegin/eend/etc.
-#
-for f in \
-	/lib/gentoo/functions.sh \
-	/etc/init.d/functions.sh \
-	/sbin/functions.sh \
-; do
-	if [[ -r ${PARENT_EPREFIX}${f} ]] ; then
-		. "${PARENT_EPREFIX}${f}"
-		f=found
-		break
-	fi
-done
-
-if [[ ${f} != found ]] ; then
-	echo "Cannot find Gentoo functions, aborting." >&2
-	exit 1
-fi
-
-for arg in "$@"; do
-	case "${arg}" in
-	--eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
-	--profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
-	--chost=*)   CHILD_CHOST="${arg#--chost=}" ;;
-
-	--help)
-		einfo "$0 usage:"
-		einfo "  --eprefix=[PATH]       Path to new EPREFIX to create stacked to the prefix"
-		einfo "                         where this script is installed (${PARENT_EPREFIX})"
-		einfo "  --profile=[PATH]       The absolute path to the profile to use. This path"
-		einfo "                         must point to a directory within ${PARENT_EPREFIX}"
-		einfo "  --chost=[CHOST]        The CHOST to use for the new EPREFIX, required if"
-		einfo "                         the profile does not set CHOST, or to override."
-		exit 0
-		;;
-	esac
-done
-
-#
-# sanity check of given values
-#
-
-test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
-test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
-test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
-test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
-
-if [[ -z ${CHILD_CHOST} ]]
-then
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-
-	for profile in $(my_lsprofile "${CHILD_PROFILE}") missing
-	do
-		if [[ ${profile} == missing ]]
-		then
-		  eerror "profile does not set CHOST, need --chost argument"
-		  exit 1
-		fi
-		[[ -s "${profile}/make.defaults" ]] || continue
-		grep -q '^[ 	]*CHOST@=@' "${profile}/make.defaults" && break
-	done
-fi
-
-einfo "creating stacked prefix ${CHILD_EPREFIX}"
-
-#
-# functions needed below.
-#
-eend_exit() {
-	eend $1
-	[[ $1 != 0 ]] && exit 1
-}
-
-#
-# create the directories required to bootstrap the least.
-#
-ebegin "creating directory structure"
-(
-	set -e
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.mask
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.force
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/env
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/package.env
-	ln -s "${PARENT_EPREFIX}"/etc/portage/repos.conf "${CHILD_EPREFIX}"/etc/portage/repos.conf
-)
-eend_exit $?
-
-#
-# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
-#
-ebegin "creating make.conf"
-(
-	set -e
-	echo "#"
-	echo "# The following values where taken from the parent prefix's"
-	echo "# environment. Feel free to adopt them as you like."
-	echo "#"
-	echo "CFLAGS=\"$(portageq envvar CFLAGS)\""
-	echo "CXXFLAGS=\"$(portageq envvar CXXFLAGS)\""
-	echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
-	niceness=$(portageq envvar PORTAGE_NICENESS || true)
-	[[ -n ${niceness} ]] &&
-		echo "PORTAGE_NICENESS=\"${niceness}\""
-	echo
-	echo "# Mirrors from parent prefix."
-	echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
-	echo
-	echo "# Below comes the prefix-stack setup. Only change things"
-	echo "# if you know exactly what you are doing!"
-	echo "EPREFIX=\"${CHILD_EPREFIX}\""
-	echo "PORTAGE_OVERRIDE_EPREFIX=\"${PARENT_EPREFIX}\""
-	echo "BROOT=\"${PARENT_EPREFIX}\""
-	# Since EAPI 7 there is BDEPEND, which is DEPEND in EAPI up to 6.
-	# We do not want to pull DEPEND from EAPI <= 6, but RDEPEND only.
-	echo "EMERGE_DEFAULT_OPTS=\"--root-deps=rdeps\""
-	if [[ -n ${CHILD_CHOST} ]] ; then
-		echo "CHOST=\"${CHILD_CHOST}\""
-	fi
-) > "${CHILD_EPREFIX}"/etc/portage/make.conf
-eend_exit $?
-
-ebegin "creating use.mask/prefix-stack"
-printf -- '-%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.mask/prefix-stack
-eend_exit $?
-
-ebegin "creating use.force/prefix-stack"
-printf -- '%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.force/prefix-stack
-eend_exit $?
-
-ebegin "creating env/host-cc.conf"
-cat > "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf <<-EOM
-	CC=${PARENT_CHOST}-gcc
-	CXX=${PARENT_CHOST}-g++
-	EOM
-eend_exit $?
-
-ebegin "creating package.env/prefix-stack"
-cat > "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack <<-'EOM'
-	# merge with the parent's chost. this forces the use of the parent
-	# compiler, which generally would be illegal - this is an exception.
-	# This is required for example on winnt, because the wrapper has to
-	# be able to use/resolve symlinks, etc. native winnt binaries miss
-	# that ability, but cygwin binaries don't.
-	sys-devel/gcc-config host-cc.conf
-	sys-apps/gentoo-functions host-cc.conf
-	EOM
-eend_exit $?
-
-#
-# create the make.profile symlinks.
-#
-ebegin "creating make.profile"
-(
-	ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
-)
-eend_exit $?
-
-#
-# adjust permissions of generated files.
-#
-ebegin "adjusting permissions"
-(
-	set -e
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack
-)
-eend_exit $?
-
-#
-# now merge some basics.
-#
-ebegin "installing required basic packages"
-(
-	set -e
-	export PORTAGE_CONFIGROOT@=@"${CHILD_EPREFIX}"
-	export EPREFIX@=@"${CHILD_EPREFIX}"
-	export PORTAGE_OVERRIDE_EPREFIX@=@"${PARENT_EPREFIX}"
-
-	# let baselayout create the directories
-	USE@=@"${USE} build" \
-	emerge --verbose --nodeps --oneshot \
-		'>=baselayout-prefix-2.6'
-
-	# In prefix-stack, app-portage/prefix-toolkit does
-	# install/update an etc/portage/profile/packages file,
-	# removing all @system packages from current make.profile,
-	# and adding itself to @system set instead.
-	emerge --verbose --nodeps --oneshot \
-		app-portage/prefix-toolkit
-
-	# In prefix-stack, prefix-toolkit does have an RDEPEND on them,
-	# to hold them in the @system set.
-	emerge --verbose --nodeps --oneshot \
-		sys-apps/gentoo-functions \
-		app-portage/elt-patches \
-		sys-devel/gnuconfig \
-		sys-devel/gcc-config
-
-	# select the stack wrapper profile from gcc-config
-	env -i PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" \
-		"$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
-)
-eend_exit $?
-
-#
-# wow, all ok :)
-#
-ewarn
-ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
-ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
-ewarn
-EOIN
-
-: prefix-stack-ccwrap <<'EOIN'
-#!@GENTOO_PORTAGE_BPREFIX@/bin/bash
-
-if [ -r /cygdrive/. ]; then
-	winpath2unix() { cygpath -u "$1"; }
-	unixpath2win() { cygpath -w "$1"; }
-fi
-
-myself=${0##*/} # basename $0
-link_dirs=()
-opts=()
-chost="@GENTOO_PORTAGE_CHOST@"
-prefix="@GENTOO_PORTAGE_EPREFIX@"
-absprefix=${prefix}
-if [[ ${chost} == *"-winnt"* ]]; then
-	# we may get called from windows binary, like pkgdata in dev-libs/icu
-	# in this case, PATH elements get the "/dev/fs/C/WINDOWS/SUA" prefix
-	absprefix=$(winpath2unix "$(unixpath2win "${absprefix}")")
-fi
-[[ ${myself} == *windres* ]] && mode=compile || mode=link
-orig_args=("$@")
-
-for opt in "$@"
-do
-	case "$opt" in
-	-L)
-		link_dirs=("${link_dirs[@]}" "-L$1")
-		shift
-		;;
-	-L*)
-		link_dirs=("${link_dirs[@]}" "${opt}")
-		;;
-	*)
-		case "${opt}" in
-		-v)
-			# -v done right: only use mode version if -v is the _only_
-			# argument on the command line.
-			[[ ${#orig_args[@]} -gt 1 ]] || mode=version
-			;;
-		--version)	mode=version ;;
-		-c|-E|-S)	mode=compile ;;
-		-print-search-dirs) mode=dirs ;;
-		esac
-		opts=("${opts[@]}" "${opt}")
-		;;
-	esac
-done
-
-# remove any path to current prefix, need base prefix only
-new_path=
-save_ifs=$IFS
-IFS=':'
-for p in $PATH
-do
-	IFS=$save_ifs
-	[[ ${p#${absprefix}} != "${p}" ]] && continue
-	if [[ -z "${new_path}" ]]; then
-		new_path="${p}"
-	else
-		new_path="${new_path}:${p}"
-	fi
-done
-IFS=$save_ifs
-
-PATH=${new_path}
-
-pfx_comp=("-I${prefix}/include" "-I${prefix}/usr/include")
-pfx_link=("-L${prefix}/usr/lib" "-L${prefix}/lib")
-# binutils-config's ldwrapper understands '-R' for aix and hpux too.
-pfx_link_r=("-Wl,-R,${prefix}/lib" "-Wl,-R,${prefix}/usr/lib")
-case "${chost}" in
-*-winnt*)
-	# parity (winnt) understands -rpath only ...
-	pfx_link_r=("-Wl,-rpath,${prefix}/lib" "-Wl,-rpath,${prefix}/usr/lib")
-	;;
-*-linux*)
-	# With gcc, -isystem would avoid warning messages in installed headers,
-	# but that breaks with AIX host headers.
-	pfx_comp=("-isystem" "${prefix}/include" "-isystem" "${prefix}/usr/include")
-	;;
-esac
-
-# ensure we run the right chost program in base prefix
-[[ ${myself} == *-*-*-* ]] || myself=${chost}-${myself#${chost}-}
-
-case "$mode" in
-link)    exec "${myself}" "${link_dirs[@]}" "${pfx_link[@]}" "${opts[@]}" "${pfx_comp[@]}" "${pfx_link_r[@]}" ;;
-compile) exec "${myself}" "${link_dirs[@]}" "${opts[@]}" "${pfx_comp[@]}" ;;
-version) exec "${myself}" "${orig_args[@]}" ;;
-dirs)
-	"${myself}" "${orig_args[@]}" | while read line; do
-		if [[ "${line}" == "libraries: ="* ]]; then
-			echo "libraries: =${prefix}/usr/lib:${prefix}/lib:${line#"libraries: ="}"
-		else
-			echo "${line}"
-		fi
-	done
-	;;
-*)			echo "cannot infer ${myself}'s mode from comamnd line arguments"; exit 1 ;;
-esac
-EOIN
diff --git a/app-portage/prefix-toolkit/prefix-toolkit-5.ebuild b/app-portage/prefix-toolkit/prefix-toolkit-5.ebuild
deleted file mode 100644
index 61ea23e6a37a..000000000000
--- a/app-portage/prefix-toolkit/prefix-toolkit-5.ebuild
+++ /dev/null
@@ -1,665 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Utilities for users of Gentoo Prefix"
-HOMEPAGE="https://prefix.gentoo.org/"
-SRC_URI=""
-
-LICENSE="GPL-3"
-SLOT="0"
-
-[[ ${PV} == 9999 ]] ||
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
-
-DEPEND="
-	!app-portage/prefix-chain-setup
-	!sys-apps/prefix-chain-utils
-"
-BDEPEND="${DEPEND}
-	>sys-apps/portage-2.3.62
-"
-# In prefix-stack, these dependencies actually are the @system set,
-# as we rely on the base prefix anyway for package management,
-# which should have a proper @system set.
-# See als: pkg_preinst
-RDEPEND="${DEPEND}
-	prefix-stack? (
-		>=sys-apps/baselayout-prefix-2.6
-		sys-apps/gentoo-functions
-		app-portage/elt-patches
-		sys-devel/gnuconfig
-		sys-devel/gcc-config
-	)
-"
-
-S="${WORKDIR}"
-
-my_unpack() {
-	local infile=$1
-	local outfile=${2:-${infile}}
-	ebegin "extracting ${outfile}"
-	sed -ne "/^: ${infile} /,/EOIN/{/EOIN/d;p}" "${EBUILD}" \
-		> "${outfile}" || die "Failed to unpack ${outfile}"
-	eend $?
-}
-
-src_unpack() {
-	if use prefix-stack ; then
-		my_unpack prefix-stack.bash_login
-		my_unpack prefix-stack.bashrc
-		my_unpack prefix-stack.envd.99stack
-		my_unpack prefix-stack-ccwrap
-		local editor pager
-		for editor in "${EDITOR}" {"${EPREFIX}","${BROOT}"}/bin/nano
-		do
-			[[ -x ${editor} ]] || continue
-		done
-		for pager in "${PAGER}" {"${EPREFIX}","${BROOT}"}/usr/bin/less
-		do
-			[[ -x ${pager} ]] || continue
-		done
-		printf '%s\n' "EDITOR=\"${editor}\"" "PAGER=\"${pager}\"" > 000fallback
-	else
-		my_unpack prefix-stack-setup
-	fi
-	my_unpack startprefix
-}
-
-my_prefixify() {
-	local ebash eenv
-	if use prefix-stack ; then
-		ebash="${BROOT}/bin/bash"
-		eenv="${BROOT}/usr/bin/env"
-	else
-		ebash="${EPREFIX}/bin/bash"
-		eenv="${EPREFIX}/usr/bin/env"
-	fi
-
-	# the @=@ prevents repoman from believing we set readonly vars
-	sed -e "s,@GENTOO_PORTAGE_BPREFIX@,${BROOT},g" \
-		-e "s,@GENTOO_PORTAGE_EPREFIX@,${EPREFIX},g" \
-		-e "s,@GENTOO_PORTAGE_CHOST@,${CHOST},g" \
-		-e "s,@GENTOO_PORTAGE_EBASH@,${ebash},g" \
-		-e "s,@GENTOO_PORTAGE_EENV@,${eenv},g" \
-		-e "s,@=@,=,g" \
-		-i "$@" || die
-}
-
-src_configure() {
-	# do not eprefixify during unpack, to allow userpatches to apply
-	my_prefixify *
-}
-
-src_install-prefix-stack-ccwrap() {
-	# install toolchain wrapper.
-	local wrapperdir=/usr/${CHOST}/gcc-bin/${CHOST}-${PN}/${PV}
-	local wrappercfg=${CHOST}-${P}
-
-	exeinto $wrapperdir
-	doexe prefix-stack-ccwrap
-
-	local cc
-	for cc in \
-		gcc \
-		g++ \
-		cpp \
-		c++ \
-		windres \
-	; do
-		dosym prefix-stack-ccwrap $wrapperdir/${CHOST}-${cc}
-		dosym ${CHOST}-${cc} $wrapperdir/${cc}
-	done
-
-	# LDPATH is required to keep gcc-config happy :(
-	cat > ./${wrappercfg} <<-EOF
-		GCC_PATH="${EPREFIX}$wrapperdir"
-		LDPATH="${EPREFIX}$wrapperdir"
-		EOF
-
-	insinto /etc/env.d/gcc
-	doins ./${wrappercfg}
-}
-
-src_install() {
-	if use prefix-stack; then
-		src_install-prefix-stack-ccwrap
-		insinto /etc
-		doins prefix-stack.bash_login
-		insinto /etc/bash
-		newins prefix-stack.bashrc bashrc
-		newenvd prefix-stack.envd.99stack 99stack
-		doenvd 000fallback
-	else
-		dobin prefix-stack-setup
-	fi
-	exeinto /
-	doexe startprefix
-}
-
-pkg_preinst() {
-	use prefix-stack || return 0
-	ebegin "Purging @system package set for prefix stack"
-	# In prefix stack we empty out the @system set defined via make.profile,
-	# as we may be using some normal profile, but that @system set applies
-	# to the base prefix only.
-	# Instead, we only put ourselve into the @system set, and have additional
-	# @system packages in our RDEPEND.
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-	local systemset="/etc/portage/profile/packages"
-	dodir "${systemset%/*}"
-	[[ -s ${EROOT}${systemset} ]] &&
-		grep -v "# maintained by ${PN}" \
-			"${EROOT}${systemset}" \
-			> "${ED}${systemset}"
-	local p
-	for p in $(my_lsprofile "${EPREFIX}"/etc/portage/make.profile)
-	do
-		[[ -s ${p}/${systemset##*/} ]] || continue
-		awk '/^[ \t]*[^-#]/{print "-" $1 " # maintained by '"${PN}-${PVR}"'"}' \
-			< "${p}"/packages || die
-	done | sort -u >> "${ED}${systemset}"
-	[[ ${PIPESTATUS[@]} == "0 0" ]] || die "failed to collect for ${systemset}"
-	echo "*${CATEGORY}/${PN} # maintained by ${PN}-${PVR}" >> "${ED}${systemset}" || die
-	eend $?
-}
-
-return 0
-
-: startprefix <<'EOIN'
-#!@GENTOO_PORTAGE_EBASH@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# Fabian Groffen <grobian@gentoo.org> -- 2007-03-10
-# Enters the prefix environment by starting a login shell from the
-# prefix.  The SHELL environment variable is elevated in order to make
-# applications that start login shells to work, such as `screen`.
-
-# if you come from a substantially polluted environment (another
-# Prefix), a cleanup as follows resolves most oddities I've ever seen:
-# env -i HOME=$HOME TERM=$TERM USER=$USER $SHELL -l
-# hence this script starts the Prefix shell like this
-
-if [[ ${SHELL#@GENTOO_PORTAGE_EPREFIX@} != ${SHELL} ]]
-then
-	echo "You appear to be in prefix already (SHELL=${SHELL})" > /dev/stderr
-	exit -1
-elif [[ ${SHELL#@GENTOO_PORTAGE_BPREFIX@} != ${SHELL} ]] &&
-	 [[ ${EPREFIX-unset} == '@GENTOO_PORTAGE_EPREFIX@' ]]
-then
-	echo "You appear to be in stacked prefix already (EPREFIX=${EPREFIX})" > /dev/stderr
-	exit -1
-fi
-
-# What is our prefix?
-EPREFIX@=@'@GENTOO_PORTAGE_EPREFIX@'
-BPREFIX@=@'@GENTOO_PORTAGE_BPREFIX@'
-
-# not all systems have the same location for shells, however what it
-# boils down to, is that we need to know what the shell is, and then we
-# can find it in the bin dir of our prefix
-for SHELL in \
-	"${EPREFIX}/bin/${SHELL##*/}" \
-	"${BPREFIX}/bin/${SHELL##*/}" \
-	${SHELL##*/}
-do
-	[[ ${SHELL} == */* && -x ${SHELL} ]] && break
-done
-
-# check if the shell exists
-if [[ ${SHELL} != */* ]]
-then
-	echo "Failed to find the Prefix shell, this is probably" > /dev/stderr
-	echo "because you didn't emerge the shell ${SHELL}" > /dev/stderr
-	exit 1
-fi
-
-# set the prefix shell in the environment
-export SHELL
-
-# give a small notice
-echo "Entering Gentoo Prefix ${EPREFIX}"
-# start the login shell, clean the entire environment but what's needed
-RETAIN="HOME=$HOME TERM=$TERM USER=$USER SHELL=$SHELL"
-# PROFILEREAD is necessary on SUSE not to wipe the env on shell start
-[[ -n ${PROFILEREAD} ]] && RETAIN+=" PROFILEREAD=$PROFILEREAD"
-# ssh-agent is handy to keep, of if set, inherit it
-[[ -n ${SSH_AUTH_SOCK} ]] && RETAIN+=" SSH_AUTH_SOCK=$SSH_AUTH_SOCK"
-# if we're on some X terminal, makes sense to inherit that too
-[[ -n ${DISPLAY} ]] && RETAIN+=" DISPLAY=$DISPLAY"
-if [[ -d /proc/registry ]]; then # we're on Cygwin
-	# crucial to Windows but cannot be restored, see
-	# https://cygwin.com/ml/cygwin/2019-08/msg00072.html
-	[[ -n ${SYSTEMDRIVE} ]] && RETAIN+=" SYSTEMDRIVE=$SYSTEMDRIVE"
-	# COMSPEC is to native Windows what SHELL is to *nix
-	[[ -n ${COMSPEC} ]] && RETAIN+=" COMSPEC=$COMSPEC"
-	# some Windows programs (e.g. devenv.exe) need TMP or TEMP
-	[[ -n ${TEMP} ]] && RETAIN+=" TEMP=$TEMP"
-fi
-# do it!
-if [[ ${SHELL#${EPREFIX}} != ${SHELL} ]] ; then
-	'@GENTOO_PORTAGE_EENV@' -i $RETAIN $SHELL -l
-elif [[ ' bash ' == *" ${SHELL##*/} "* ]] ; then
-	# shell coming from different prefix would load it's own
-	# etc/profile upon -l, so we have to override
-	'@GENTOO_PORTAGE_EENV@' -i ${RETAIN} "${SHELL}" --rcfile "${EPREFIX}"/etc/prefix-stack.bash_login -i
-else
-	echo "Only bash is supported with stacked Prefix (you have ${SHELL##*/}), sorry!" > /dev/stderr
-	exit 1
-fi
-# and leave a message when we exit... the shell might return non-zero
-# without having real problems, so don't send alarming messages about
-# that
-echo "Leaving Gentoo Prefix with exit status $?"
-EOIN
-
-: prefix-stack.bashrc <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, yet
-# etc/bash/bashrc from base Prefix still is useful.
-#
-
-if [[ $- != *i* ]] ; then
-	# Shell is non-interactive, bashrc does not apply
-	return
-fi
-
-if [[ -r @GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc ]] ; then
-	source '@GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc'
-	# only if base Prefix does have an etc/bash/bashrc, we also
-	# run bashrc snippets provided by packages in stacked Prefix
-	for sh in '@GENTOO_PORTAGE_EPREFIX@'/etc/bash/bashrc.d/* ; do
-		[[ -r ${sh} ]] && source "${sh}"
-	done
-	unset sh
-else
-	# etc/profile does expect etc/bash/bashrc to set PS1
-	PS1='\u@\h \w \$ '
-fi
-EOIN
-
-: prefix-stack.bash_login <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, so there is
-# no bash able to load this Prefix' profile as login shell.
-# Instead, you can specify this one as bash rcfile to mimic
-# a bash login shell using this stacked Prefix profile.
-#
-
-if [[ -s '@GENTOO_PORTAGE_EPREFIX@/etc/profile' ]] ; then
-	. '@GENTOO_PORTAGE_EPREFIX@/etc/profile'
-fi
-if [[ -s ~/.bash_profile ]] ; then
-	. ~/.bash_profile
-elif [[ -s ~/.bash_login ]] ; then
-	. ~/.bash_login
-elif [[ -s ~/.profile ]] ; then
-	. ~/.profile
-fi
-EOIN
-
-: prefix-stack.envd.99stack <<'EOIN'
-PKG_CONFIG_PATH@=@"@GENTOO_PORTAGE_EPREFIX@/usr/lib/pkgconfig:@GENTOO_PORTAGE_EPREFIX@/usr/share/pkgconfig"
-PORTAGE_CONFIGROOT@=@"@GENTOO_PORTAGE_EPREFIX@"
-EPREFIX@=@"@GENTOO_PORTAGE_EPREFIX@"
-EOIN
-
-: prefix-stack-setup <<'EOIN'
-#!@GENTOO_PORTAGE_EPREFIX@/bin/bash
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
-PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
-CHILD_EPREFIX=
-CHILD_PROFILE=
-CHILD_CHOST=
-
-#
-# get ourselfs the functions.sh script for ebegin/eend/etc.
-#
-for f in \
-	/lib/gentoo/functions.sh \
-	/etc/init.d/functions.sh \
-	/sbin/functions.sh \
-; do
-	if [[ -r ${PARENT_EPREFIX}${f} ]] ; then
-		. "${PARENT_EPREFIX}${f}"
-		f=found
-		break
-	fi
-done
-
-if [[ ${f} != found ]] ; then
-	echo "Cannot find Gentoo functions, aborting." >&2
-	exit 1
-fi
-
-for arg in "$@"; do
-	case "${arg}" in
-	--eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
-	--profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
-	--chost=*)   CHILD_CHOST="${arg#--chost=}" ;;
-
-	--help)
-		einfo "$0 usage:"
-		einfo "  --eprefix=[PATH]       Path to new EPREFIX to create stacked to the prefix"
-		einfo "                         where this script is installed (${PARENT_EPREFIX})"
-		einfo "  --profile=[PATH]       The absolute path to the profile to use. This path"
-		einfo "                         must point to a directory within ${PARENT_EPREFIX}"
-		einfo "  --chost=[CHOST]        The CHOST to use for the new EPREFIX, required if"
-		einfo "                         the profile does not set CHOST, or to override."
-		exit 0
-		;;
-	esac
-done
-
-#
-# sanity check of given values
-#
-
-test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
-test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
-test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
-test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
-
-if [[ -z ${CHILD_CHOST} ]]
-then
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-
-	for profile in $(my_lsprofile "${CHILD_PROFILE}") missing
-	do
-		if [[ ${profile} == missing ]]
-		then
-		  eerror "profile does not set CHOST, need --chost argument"
-		  exit 1
-		fi
-		[[ -s "${profile}/make.defaults" ]] || continue
-		grep -q '^[ 	]*CHOST@=@' "${profile}/make.defaults" && break
-	done
-fi
-
-einfo "creating stacked prefix ${CHILD_EPREFIX}"
-
-#
-# functions needed below.
-#
-eend_exit() {
-	eend $1
-	[[ $1 != 0 ]] && exit 1
-}
-
-#
-# create the directories required to bootstrap the least.
-#
-ebegin "creating directory structure"
-(
-	set -e
-	mkdir -p "${CHILD_EPREFIX}"/var/tmp/portage
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.mask
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.force
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/env
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/package.env
-	ln -s "${PARENT_EPREFIX}"/etc/portage/repos.conf "${CHILD_EPREFIX}"/etc/portage/repos.conf
-)
-eend_exit $?
-
-#
-# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
-#
-ebegin "creating make.conf"
-(
-	set -e
-	echo "#"
-	echo "# These are sane default compiler flags, feel free to adopt them as you like."
-	echo "# Extending the flags is done to respect flags probably set by some profile."
-	echo "#"
-	echo "CFLAGS=\"\${CFLAGS} -O2 -pipe\""
-	echo "CXXFLAGS=\"${CXXFLAGS} -O2 -pipe\""
-	echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
-	niceness=$(portageq envvar PORTAGE_NICENESS || true)
-	[[ -n ${niceness} ]] &&
-		echo "PORTAGE_NICENESS=\"${niceness}\""
-	echo
-	echo "# Mirrors from parent prefix."
-	echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
-	echo
-	echo "# Below comes the prefix-stack setup. Only change things"
-	echo "# if you know exactly what you are doing!"
-	echo "EPREFIX=\"${CHILD_EPREFIX}\""
-	echo "PORTAGE_OVERRIDE_EPREFIX=\"${PARENT_EPREFIX}\""
-	echo "BROOT=\"${PARENT_EPREFIX}\""
-	echo "PORTAGE_TMPDIR=\"\${EPREFIX}/var/tmp\""
-	# Since EAPI 7 there is BDEPEND, which is DEPEND in EAPI up to 6.
-	# We do not want to pull DEPEND from EAPI <= 6, but RDEPEND only.
-	echo "EMERGE_DEFAULT_OPTS=\"--root-deps=rdeps\""
-	if [[ -n ${CHILD_CHOST} ]] ; then
-		echo "CHOST=\"${CHILD_CHOST}\""
-	fi
-) > "${CHILD_EPREFIX}"/etc/portage/make.conf
-eend_exit $?
-
-ebegin "creating use.mask/prefix-stack"
-printf -- '-%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.mask/prefix-stack
-eend_exit $?
-
-ebegin "creating use.force/prefix-stack"
-printf -- '%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.force/prefix-stack
-eend_exit $?
-
-ebegin "creating env/host-cc.conf"
-cat > "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf <<-EOM
-	CC=${PARENT_CHOST}-gcc
-	CXX=${PARENT_CHOST}-g++
-	# Inherited compiler flags from parent prefix,
-	# as the child prefix may have a different compiler.
-	CFLAGS="$(portageq envvar CFLAGS)"
-	CXXFLAGS="$(portageq envvar CXXFLAGS)"
-	EOM
-eend_exit $?
-
-ebegin "creating package.env/prefix-stack"
-cat > "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack <<-'EOM'
-	# merge with the parent's chost. this forces the use of the parent
-	# compiler, which generally would be illegal - this is an exception.
-	# This is required for example on winnt, because the wrapper has to
-	# be able to use/resolve symlinks, etc. native winnt binaries miss
-	# that ability, but cygwin binaries don't.
-	sys-devel/gcc-config host-cc.conf
-	sys-apps/gentoo-functions host-cc.conf
-	EOM
-eend_exit $?
-
-#
-# create the make.profile symlinks.
-#
-ebegin "creating make.profile"
-(
-	ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
-)
-eend_exit $?
-
-#
-# adjust permissions of generated files.
-#
-ebegin "adjusting permissions"
-(
-	set -e
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack
-)
-eend_exit $?
-
-#
-# now merge some basics.
-#
-ebegin "installing required basic packages"
-(
-	set -e
-	export PORTAGE_CONFIGROOT@=@"${CHILD_EPREFIX}"
-	export EPREFIX@=@"${CHILD_EPREFIX}"
-	export PORTAGE_OVERRIDE_EPREFIX@=@"${PARENT_EPREFIX}"
-
-	# let baselayout create the directories
-	USE@=@"${USE} build" \
-	emerge --verbose --nodeps --oneshot \
-		'>=baselayout-prefix-2.6'
-
-	# In prefix-stack, app-portage/prefix-toolkit does
-	# install/update an etc/portage/profile/packages file,
-	# removing all @system packages from current make.profile,
-	# and adding itself to @system set instead.
-	emerge --verbose --nodeps --oneshot \
-		app-portage/prefix-toolkit
-
-	# In prefix-stack, prefix-toolkit does have an RDEPEND on them,
-	# to hold them in the @system set.
-	emerge --verbose --nodeps --oneshot \
-		sys-apps/gentoo-functions \
-		app-portage/elt-patches \
-		sys-devel/gnuconfig \
-		sys-devel/gcc-config
-
-	# select the stack wrapper profile from gcc-config
-	env -i PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" \
-		"$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
-)
-eend_exit $?
-
-#
-# wow, all ok :)
-#
-ewarn
-ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
-ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
-ewarn
-EOIN
-
-: prefix-stack-ccwrap <<'EOIN'
-#!@GENTOO_PORTAGE_BPREFIX@/bin/bash
-
-if [ -r /cygdrive/. ]; then
-	winpath2unix() { cygpath -u "$1"; }
-	unixpath2win() { cygpath -w "$1"; }
-fi
-
-myself=${0##*/} # basename $0
-link_dirs=()
-opts=()
-chost="@GENTOO_PORTAGE_CHOST@"
-prefix="@GENTOO_PORTAGE_EPREFIX@"
-absprefix=${prefix}
-if [[ ${chost} == *"-winnt"* ]]; then
-	# we may get called from windows binary, like pkgdata in dev-libs/icu
-	# in this case, PATH elements get the "/dev/fs/C/WINDOWS/SUA" prefix
-	absprefix=$(winpath2unix "$(unixpath2win "${absprefix}")")
-fi
-[[ ${myself} == *windres* ]] && mode=compile || mode=link
-orig_args=("$@")
-
-for opt in "$@"
-do
-	case "$opt" in
-	-L)
-		link_dirs=("${link_dirs[@]}" "-L$1")
-		shift
-		;;
-	-L*)
-		link_dirs=("${link_dirs[@]}" "${opt}")
-		;;
-	*)
-		case "${opt}" in
-		-v)
-			# -v done right: only use mode version if -v is the _only_
-			# argument on the command line.
-			[[ ${#orig_args[@]} -gt 1 ]] || mode=version
-			;;
-		--version)	mode=version ;;
-		-c|-E|-S)	mode=compile ;;
-		-print-search-dirs) mode=dirs ;;
-		esac
-		opts=("${opts[@]}" "${opt}")
-		;;
-	esac
-done
-
-# remove any path to current prefix, need base prefix only
-new_path=
-save_ifs=$IFS
-IFS=':'
-for p in $PATH
-do
-	IFS=$save_ifs
-	[[ ${p#${absprefix}} != "${p}" ]] && continue
-	if [[ -z "${new_path}" ]]; then
-		new_path="${p}"
-	else
-		new_path="${new_path}:${p}"
-	fi
-done
-IFS=$save_ifs
-
-PATH=${new_path}
-
-pfx_comp=("-I${prefix}/include" "-I${prefix}/usr/include")
-pfx_link=("-L${prefix}/usr/lib" "-L${prefix}/lib")
-# binutils-config's ldwrapper understands '-R' for aix and hpux too.
-pfx_link_r=("-Wl,-R,${prefix}/lib" "-Wl,-R,${prefix}/usr/lib")
-case "${chost}" in
-*-winnt*)
-	# parity (winnt) understands -rpath only ...
-	pfx_link_r=("-Wl,-rpath,${prefix}/lib" "-Wl,-rpath,${prefix}/usr/lib")
-	;;
-*-linux*)
-	# With gcc, -isystem would avoid warning messages in installed headers,
-	# but that breaks with AIX host headers.
-	pfx_comp=("-isystem" "${prefix}/include" "-isystem" "${prefix}/usr/include")
-	;;
-esac
-
-# ensure we run the right chost program in base prefix
-[[ ${myself} == *-*-*-* ]] || myself=${chost}-${myself#${chost}-}
-
-case "$mode" in
-link)    exec "${myself}" "${link_dirs[@]}" "${pfx_link[@]}" "${opts[@]}" "${pfx_comp[@]}" "${pfx_link_r[@]}" ;;
-compile) exec "${myself}" "${link_dirs[@]}" "${opts[@]}" "${pfx_comp[@]}" ;;
-version) exec "${myself}" "${orig_args[@]}" ;;
-dirs)
-	"${myself}" "${orig_args[@]}" | while read line; do
-		if [[ "${line}" == "libraries: ="* ]]; then
-			echo "libraries: =${prefix}/usr/lib:${prefix}/lib:${line#"libraries: ="}"
-		else
-			echo "${line}"
-		fi
-	done
-	;;
-*)			echo "cannot infer ${myself}'s mode from comamnd line arguments"; exit 1 ;;
-esac
-EOIN
diff --git a/app-portage/prefix-toolkit/prefix-toolkit-6.ebuild b/app-portage/prefix-toolkit/prefix-toolkit-6.ebuild
deleted file mode 100644
index a052312b8df4..000000000000
--- a/app-portage/prefix-toolkit/prefix-toolkit-6.ebuild
+++ /dev/null
@@ -1,685 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Utilities for users of Gentoo Prefix"
-HOMEPAGE="https://prefix.gentoo.org/"
-SRC_URI=""
-
-LICENSE="GPL-3"
-SLOT="0"
-
-[[ ${PV} == 9999 ]] ||
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
-
-DEPEND="
-	!app-portage/prefix-chain-setup
-	!sys-apps/prefix-chain-utils
-"
-BDEPEND="${DEPEND}
-	>sys-apps/portage-2.3.62
-"
-# In prefix-stack, these dependencies actually are the @system set,
-# as we rely on the base prefix anyway for package management,
-# which should have a proper @system set.
-# See als: pkg_preinst
-RDEPEND="${DEPEND}
-	prefix-stack? (
-		>=sys-apps/baselayout-prefix-2.6
-		sys-apps/gentoo-functions
-		app-portage/elt-patches
-		sys-devel/gnuconfig
-		sys-devel/gcc-config
-		elibc_Winnt? (
-			dev-libs/pthreads4w
-		)
-	)
-"
-
-S="${WORKDIR}"
-
-my_unpack() {
-	local infile=$1
-	local outfile=${2:-${infile}}
-	ebegin "extracting ${outfile}"
-	sed -ne "/^: ${infile} /,/EOIN/{/EOIN/d;p}" "${EBUILD}" \
-		> "${outfile}" || die "Failed to unpack ${outfile}"
-	eend $?
-}
-
-src_unpack() {
-	if use prefix-stack ; then
-		my_unpack prefix-stack.bash_login
-		my_unpack prefix-stack.bashrc
-		my_unpack prefix-stack.envd.99stack
-		my_unpack prefix-stack-ccwrap
-		local editor pager
-		for editor in "${EDITOR}" {"${EPREFIX}","${BROOT}"}/bin/nano
-		do
-			[[ -x ${editor} ]] || continue
-		done
-		for pager in "${PAGER}" {"${EPREFIX}","${BROOT}"}/usr/bin/less
-		do
-			[[ -x ${pager} ]] || continue
-		done
-		printf '%s\n' "EDITOR=\"${editor}\"" "PAGER=\"${pager}\"" > 000fallback
-	else
-		my_unpack prefix-stack-setup
-	fi
-	my_unpack startprefix
-}
-
-my_prefixify() {
-	local ebash eenv
-	if use prefix-stack ; then
-		ebash="${BROOT}/bin/bash"
-		eenv="${BROOT}/usr/bin/env"
-	else
-		ebash="${EPREFIX}/bin/bash"
-		eenv="${EPREFIX}/usr/bin/env"
-	fi
-
-	# the @=@ prevents repoman from believing we set readonly vars
-	sed -e "s,@GENTOO_PORTAGE_BPREFIX@,${BROOT},g" \
-		-e "s,@GENTOO_PORTAGE_EPREFIX@,${EPREFIX},g" \
-		-e "s,@GENTOO_PORTAGE_CHOST@,${CHOST},g" \
-		-e "s,@GENTOO_PORTAGE_EBASH@,${ebash},g" \
-		-e "s,@GENTOO_PORTAGE_EENV@,${eenv},g" \
-		-e "s,@=@,=,g" \
-		-i "$@" || die
-}
-
-src_configure() {
-	# do not eprefixify during unpack, to allow userpatches to apply
-	my_prefixify *
-}
-
-src_install-prefix-stack-ccwrap() {
-	# install toolchain wrapper.
-	local wrapperdir=/usr/${CHOST}/gcc-bin/${CHOST}-${PN}/${PV}
-	local wrappercfg=${CHOST}-${P}
-
-	exeinto $wrapperdir
-	doexe prefix-stack-ccwrap
-
-	local cc
-	for cc in \
-		gcc \
-		g++ \
-		cpp \
-		c++ \
-		windres \
-	; do
-		dosym prefix-stack-ccwrap $wrapperdir/${CHOST}-${cc}
-		dosym ${CHOST}-${cc} $wrapperdir/${cc}
-	done
-
-	# LDPATH is required to keep gcc-config happy :(
-	cat > ./${wrappercfg} <<-EOF
-		GCC_PATH="${EPREFIX}$wrapperdir"
-		LDPATH="${EPREFIX}$wrapperdir"
-		EOF
-
-	insinto /etc/env.d/gcc
-	doins ./${wrappercfg}
-}
-
-src_install() {
-	if use prefix-stack; then
-		src_install-prefix-stack-ccwrap
-		insinto /etc
-		doins prefix-stack.bash_login
-		insinto /etc/bash
-		newins prefix-stack.bashrc bashrc
-		newenvd prefix-stack.envd.99stack 99stack
-		doenvd 000fallback
-	else
-		dobin prefix-stack-setup
-	fi
-	exeinto /
-	doexe startprefix
-}
-
-pkg_preinst() {
-	use prefix-stack || return 0
-	ebegin "Purging @system package set for prefix stack"
-	# In prefix stack we empty out the @system set defined via make.profile,
-	# as we may be using some normal profile, but that @system set applies
-	# to the base prefix only.
-	# Instead, we only put ourselve into the @system set, and have additional
-	# @system packages in our RDEPEND.
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-	local systemset="/etc/portage/profile/packages"
-	dodir "${systemset%/*}"
-	[[ -s ${EROOT}${systemset} ]] &&
-		grep -v "# maintained by ${PN}" \
-			"${EROOT}${systemset}" \
-			> "${ED}${systemset}"
-	local p
-	for p in $(my_lsprofile "${EPREFIX}"/etc/portage/make.profile)
-	do
-		[[ -s ${p}/${systemset##*/} ]] || continue
-		awk '/^[ \t]*[^-#]/{print "-" $1 " # maintained by '"${PN}-${PVR}"'"}' \
-			< "${p}"/packages || die
-	done | sort -u >> "${ED}${systemset}"
-	[[ ${PIPESTATUS[@]} == "0 0" ]] || die "failed to collect for ${systemset}"
-	echo "*${CATEGORY}/${PN} # maintained by ${PN}-${PVR}" >> "${ED}${systemset}" || die
-	eend $?
-}
-
-return 0
-
-: startprefix <<'EOIN'
-#!@GENTOO_PORTAGE_EBASH@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# Fabian Groffen <grobian@gentoo.org> -- 2007-03-10
-# Enters the prefix environment by starting a login shell from the
-# prefix.  The SHELL environment variable is elevated in order to make
-# applications that start login shells to work, such as `screen`.
-
-# if you come from a substantially polluted environment (another
-# Prefix), a cleanup as follows resolves most oddities I've ever seen:
-# env -i HOME=$HOME TERM=$TERM USER=$USER $SHELL -l
-# hence this script starts the Prefix shell like this
-
-if [[ ${SHELL#@GENTOO_PORTAGE_EPREFIX@} != ${SHELL} ]]
-then
-	echo "You appear to be in prefix already (SHELL=${SHELL})" > /dev/stderr
-	exit -1
-elif [[ ${SHELL#@GENTOO_PORTAGE_BPREFIX@} != ${SHELL} ]] &&
-	 [[ ${EPREFIX-unset} == '@GENTOO_PORTAGE_EPREFIX@' ]]
-then
-	echo "You appear to be in stacked prefix already (EPREFIX=${EPREFIX})" > /dev/stderr
-	exit -1
-fi
-
-# What is our prefix?
-EPREFIX@=@'@GENTOO_PORTAGE_EPREFIX@'
-BPREFIX@=@'@GENTOO_PORTAGE_BPREFIX@'
-
-# not all systems have the same location for shells, however what it
-# boils down to, is that we need to know what the shell is, and then we
-# can find it in the bin dir of our prefix
-for SHELL in \
-	"${EPREFIX}/bin/${SHELL##*/}" \
-	"${BPREFIX}/bin/${SHELL##*/}" \
-	${SHELL##*/}
-do
-	[[ ${SHELL} == */* && -x ${SHELL} ]] && break
-done
-
-# check if the shell exists
-if [[ ${SHELL} != */* ]]
-then
-	echo "Failed to find the Prefix shell, this is probably" > /dev/stderr
-	echo "because you didn't emerge the shell ${SHELL}" > /dev/stderr
-	exit 1
-fi
-
-# set the prefix shell in the environment
-export SHELL
-
-# give a small notice
-echo "Entering Gentoo Prefix ${EPREFIX}"
-# start the login shell, clean the entire environment but what's needed
-RETAIN="HOME=$HOME TERM=$TERM USER=$USER SHELL=$SHELL"
-# PROFILEREAD is necessary on SUSE not to wipe the env on shell start
-[[ -n ${PROFILEREAD} ]] && RETAIN+=" PROFILEREAD=$PROFILEREAD"
-# ssh-agent is handy to keep, of if set, inherit it
-[[ -n ${SSH_AUTH_SOCK} ]] && RETAIN+=" SSH_AUTH_SOCK=$SSH_AUTH_SOCK"
-# if we're on some X terminal, makes sense to inherit that too
-[[ -n ${DISPLAY} ]] && RETAIN+=" DISPLAY=$DISPLAY"
-if [[ -d /proc/registry ]]; then # we're on Cygwin
-	# crucial to Windows but cannot be restored, see
-	# https://cygwin.com/ml/cygwin/2019-08/msg00072.html
-	[[ -n ${SYSTEMDRIVE} ]] && RETAIN+=" SYSTEMDRIVE=$SYSTEMDRIVE"
-	# COMSPEC is to native Windows what SHELL is to *nix
-	[[ -n ${COMSPEC} ]] && RETAIN+=" COMSPEC=$COMSPEC"
-	# some Windows programs (e.g. devenv.exe) need TMP or TEMP
-	[[ -n ${TEMP} ]] && RETAIN+=" TEMP=$TEMP"
-fi
-# do it!
-if [[ ${SHELL#${EPREFIX}} != ${SHELL} ]] ; then
-	'@GENTOO_PORTAGE_EENV@' -i $RETAIN $SHELL -l
-elif [[ ' bash ' == *" ${SHELL##*/} "* ]] ; then
-	# shell coming from different prefix would load it's own
-	# etc/profile upon -l, so we have to override
-	'@GENTOO_PORTAGE_EENV@' -i ${RETAIN} "${SHELL}" --rcfile "${EPREFIX}"/etc/prefix-stack.bash_login -i
-else
-	echo "Only bash is supported with stacked Prefix (you have ${SHELL##*/}), sorry!" > /dev/stderr
-	exit 1
-fi
-# and leave a message when we exit... the shell might return non-zero
-# without having real problems, so don't send alarming messages about
-# that
-echo "Leaving Gentoo Prefix with exit status $?"
-EOIN
-
-: prefix-stack.bashrc <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, yet
-# etc/bash/bashrc from base Prefix still is useful.
-#
-
-if [[ $- != *i* ]] ; then
-	# Shell is non-interactive, bashrc does not apply
-	return
-fi
-
-if [[ -r @GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc ]] ; then
-	source '@GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc'
-	# only if base Prefix does have an etc/bash/bashrc, we also
-	# run bashrc snippets provided by packages in stacked Prefix
-	for sh in '@GENTOO_PORTAGE_EPREFIX@'/etc/bash/bashrc.d/* ; do
-		[[ -r ${sh} ]] && source "${sh}"
-	done
-	unset sh
-else
-	# etc/profile does expect etc/bash/bashrc to set PS1
-	PS1='\u@\h \w \$ '
-fi
-EOIN
-
-: prefix-stack.bash_login <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, so there is
-# no bash able to load this Prefix' profile as login shell.
-# Instead, you can specify this one as bash rcfile to mimic
-# a bash login shell using this stacked Prefix profile.
-#
-
-if [[ -s '@GENTOO_PORTAGE_EPREFIX@/etc/profile' ]] ; then
-	. '@GENTOO_PORTAGE_EPREFIX@/etc/profile'
-fi
-if [[ -s ~/.bash_profile ]] ; then
-	. ~/.bash_profile
-elif [[ -s ~/.bash_login ]] ; then
-	. ~/.bash_login
-elif [[ -s ~/.profile ]] ; then
-	. ~/.profile
-fi
-EOIN
-
-: prefix-stack.envd.99stack <<'EOIN'
-PKG_CONFIG_PATH@=@"@GENTOO_PORTAGE_EPREFIX@/usr/lib/pkgconfig:@GENTOO_PORTAGE_EPREFIX@/usr/share/pkgconfig"
-PORTAGE_CONFIGROOT@=@"@GENTOO_PORTAGE_EPREFIX@"
-EPREFIX@=@"@GENTOO_PORTAGE_EPREFIX@"
-EOIN
-
-: prefix-stack-setup <<'EOIN'
-#!@GENTOO_PORTAGE_EPREFIX@/bin/bash
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
-PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
-CHILD_EPREFIX=
-CHILD_PROFILE=
-CHILD_CHOST=
-
-#
-# get ourselfs the functions.sh script for ebegin/eend/etc.
-#
-for f in \
-	/lib/gentoo/functions.sh \
-	/etc/init.d/functions.sh \
-	/sbin/functions.sh \
-; do
-	if [[ -r ${PARENT_EPREFIX}${f} ]] ; then
-		. "${PARENT_EPREFIX}${f}"
-		f=found
-		break
-	fi
-done
-
-if [[ ${f} != found ]] ; then
-	echo "Cannot find Gentoo functions, aborting." >&2
-	exit 1
-fi
-
-for arg in "$@"; do
-	case "${arg}" in
-	--eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
-	--profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
-	--chost=*)   CHILD_CHOST="${arg#--chost=}" ;;
-
-	--help)
-		einfo "$0 usage:"
-		einfo "  --eprefix=[PATH]       Path to new EPREFIX to create stacked to the prefix"
-		einfo "                         where this script is installed (${PARENT_EPREFIX})"
-		einfo "  --profile=[PATH]       The absolute path to the profile to use. This path"
-		einfo "                         must point to a directory within ${PARENT_EPREFIX}"
-		einfo "  --chost=[CHOST]        The CHOST to use for the new EPREFIX, required if"
-		einfo "                         the profile does not set CHOST, or to override."
-		exit 0
-		;;
-	esac
-done
-
-#
-# sanity check of given values
-#
-
-test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
-test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
-test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
-test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
-
-if [[ -z ${CHILD_CHOST} ]]
-then
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-
-	for profile in $(my_lsprofile "${CHILD_PROFILE}") missing
-	do
-		if [[ ${profile} == missing ]]
-		then
-		  eerror "profile does not set CHOST, need --chost argument"
-		  exit 1
-		fi
-		[[ -s "${profile}/make.defaults" ]] || continue
-		grep -q '^[ 	]*CHOST@=@' "${profile}/make.defaults" && break
-	done
-fi
-
-einfo "creating stacked prefix ${CHILD_EPREFIX}"
-
-#
-# functions needed below.
-#
-eend_exit() {
-	eend $1
-	[[ $1 != 0 ]] && exit 1
-}
-
-#
-# create the directories required to bootstrap the least.
-#
-ebegin "creating directory structure"
-(
-	set -e
-	mkdir -p "${CHILD_EPREFIX}"/var/tmp/portage
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.mask
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.force
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/env
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/package.env
-	ln -s "${PARENT_EPREFIX}"/etc/portage/repos.conf "${CHILD_EPREFIX}"/etc/portage/repos.conf
-)
-eend_exit $?
-
-#
-# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
-#
-ebegin "creating make.conf"
-(
-	set -e
-	echo "#"
-	echo "# These are sane default compiler flags, feel free to adopt them as you like."
-	echo "# Extending the flags is done to respect flags probably set by some profile."
-	echo "#"
-	echo "CFLAGS=\"\${CFLAGS} -O2 -pipe\""
-	echo "CXXFLAGS=\"${CXXFLAGS} -O2 -pipe\""
-	echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
-	niceness=$(portageq envvar PORTAGE_NICENESS || true)
-	[[ -n ${niceness} ]] &&
-		echo "PORTAGE_NICENESS=\"${niceness}\""
-	echo
-	echo "# Mirrors from parent prefix."
-	echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
-	echo
-	echo "# Below comes the prefix-stack setup. Only change things"
-	echo "# if you know exactly what you are doing!"
-	echo "EPREFIX=\"${CHILD_EPREFIX}\""
-	echo "PORTAGE_OVERRIDE_EPREFIX=\"${PARENT_EPREFIX}\""
-	echo "BROOT=\"${PARENT_EPREFIX}\""
-	echo "PORTAGE_TMPDIR=\"\${EPREFIX}/var/tmp\""
-	# Since EAPI 7 there is BDEPEND, which is DEPEND in EAPI up to 6.
-	# We do not want to pull DEPEND from EAPI <= 6, but RDEPEND only.
-	echo "EMERGE_DEFAULT_OPTS=\"--root-deps=rdeps\""
-	if [[ -n ${CHILD_CHOST} ]] ; then
-		echo "CHOST=\"${CHILD_CHOST}\""
-	fi
-) > "${CHILD_EPREFIX}"/etc/portage/make.conf
-eend_exit $?
-
-ebegin "creating use.mask/prefix-stack"
-printf -- '-%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.mask/prefix-stack
-eend_exit $?
-
-ebegin "creating use.force/prefix-stack"
-printf -- '%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.force/prefix-stack
-eend_exit $?
-
-ebegin "creating env/host-cc.conf"
-cat > "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf <<-EOM
-	CC=${PARENT_CHOST}-gcc
-	CXX=${PARENT_CHOST}-g++
-	# Inherited compiler flags from parent prefix,
-	# as the child prefix may have a different compiler.
-	CFLAGS="$(portageq envvar CFLAGS)"
-	CXXFLAGS="$(portageq envvar CXXFLAGS)"
-	EOM
-eend_exit $?
-
-ebegin "creating package.env/prefix-stack"
-cat > "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack <<-'EOM'
-	# merge with the parent's chost. this forces the use of the parent
-	# compiler, which generally would be illegal - this is an exception.
-	# This is required for example on winnt, because the wrapper has to
-	# be able to use/resolve symlinks, etc. native winnt binaries miss
-	# that ability, but cygwin binaries don't.
-	sys-devel/gcc-config host-cc.conf
-	sys-apps/gentoo-functions host-cc.conf
-	EOM
-eend_exit $?
-
-#
-# create the make.profile symlinks.
-#
-ebegin "creating make.profile"
-(
-	ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
-)
-eend_exit $?
-
-#
-# adjust permissions of generated files.
-#
-ebegin "adjusting permissions"
-(
-	set -e
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack
-)
-eend_exit $?
-
-#
-# now merge some basics.
-#
-ebegin "installing required basic packages"
-(
-	set -e
-	export PORTAGE_CONFIGROOT@=@"${CHILD_EPREFIX}"
-	export EPREFIX@=@"${CHILD_EPREFIX}"
-	export PORTAGE_OVERRIDE_EPREFIX@=@"${PARENT_EPREFIX}"
-
-	# let baselayout create the directories
-	USE@=@"${USE} build" \
-	emerge --verbose --nodeps --oneshot \
-		'>=baselayout-prefix-2.6'
-
-	# In prefix-stack, app-portage/prefix-toolkit does
-	# install/update an etc/portage/profile/packages file,
-	# removing all @system packages from current make.profile,
-	# and adding itself to @system set instead.
-	emerge --verbose --nodeps --oneshot \
-		app-portage/prefix-toolkit
-
-	# In prefix-stack, prefix-toolkit does have an RDEPEND on them,
-	# to hold them in the @system set.
-	emerge --verbose --nodeps --oneshot \
-		sys-apps/gentoo-functions \
-		app-portage/elt-patches \
-		sys-devel/gnuconfig \
-		sys-devel/gcc-config
-
-	# get eventual dependencies, add to world
-	emerge --verbose --update --deep \
-		app-portage/prefix-toolkit
-
-	# select the stack wrapper profile from gcc-config
-	env -i PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" \
-		"$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
-)
-eend_exit $?
-
-#
-# wow, all ok :)
-#
-ewarn
-ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
-ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
-ewarn
-EOIN
-
-: prefix-stack-ccwrap <<'EOIN'
-#!@GENTOO_PORTAGE_BPREFIX@/bin/bash
-
-if [ -r /cygdrive/. ]; then
-	winpath2unix() { cygpath -u "$1"; }
-	unixpath2win() { cygpath -w "$1"; }
-fi
-
-myself=${0##*/} # basename $0
-link_dirs=()
-linkopts=()
-opts=()
-chost="@GENTOO_PORTAGE_CHOST@"
-prefix="@GENTOO_PORTAGE_EPREFIX@"
-absprefix=${prefix}
-if [[ ${chost} == *"-winnt"* ]]; then
-	# we may get called from windows binary, like pkgdata in dev-libs/icu
-	# in this case, PATH elements get the "/dev/fs/C/WINDOWS/SUA" prefix
-	absprefix=$(winpath2unix "$(unixpath2win "${absprefix}")")
-fi
-[[ ${myself} == *windres* ]] && mode=compile || mode=link
-orig_args=("$@")
-
-for opt in "$@"
-do
-	if [[ ${chost} == *"-winnt"* ]]; then
-		# We depend on dev-libs/pthreads4w, no?
-		case ${opt} in
-		-pthread | -lpthread)
-			case " ${linkopts[*]} " in
-			*" -lpthread "*) ;;
-			*) linkopts=( "${linkopts[@]}" "-lpthread" ) ;;
-			esac
-			continue
-			;;
-		esac
-	fi
-	case "$opt" in
-	-L)
-		link_dirs=("${link_dirs[@]}" "-L$1")
-		shift
-		;;
-	-L*)
-		link_dirs=("${link_dirs[@]}" "${opt}")
-		;;
-	*)
-		case "${opt}" in
-		-v)
-			# -v done right: only use mode version if -v is the _only_
-			# argument on the command line.
-			[[ ${#orig_args[@]} -gt 1 ]] || mode=version
-			;;
-		--version)	mode=version ;;
-		-c|-E|-S)	mode=compile ;;
-		-print-search-dirs) mode=dirs ;;
-		esac
-		opts=("${opts[@]}" "${opt}")
-		;;
-	esac
-done
-
-# remove any path to current prefix, need base prefix only
-new_path=
-save_ifs=$IFS
-IFS=':'
-for p in $PATH
-do
-	IFS=$save_ifs
-	[[ ${p#${absprefix}} != "${p}" ]] && continue
-	if [[ -z "${new_path}" ]]; then
-		new_path="${p}"
-	else
-		new_path="${new_path}:${p}"
-	fi
-done
-IFS=$save_ifs
-
-PATH=${new_path}
-
-pfx_comp=("-I${prefix}/include" "-I${prefix}/usr/include")
-pfx_link=("-L${prefix}/usr/lib" "-L${prefix}/lib")
-# binutils-config's ldwrapper understands '-R' for aix and hpux too.
-pfx_link_r=("-Wl,-R,${prefix}/lib" "-Wl,-R,${prefix}/usr/lib")
-case "${chost}" in
-*-winnt*)
-	# parity (winnt) understands -rpath only ...
-	pfx_link_r=("-Wl,-rpath,${prefix}/lib" "-Wl,-rpath,${prefix}/usr/lib")
-	;;
-*-linux*)
-	# With gcc, -isystem would avoid warning messages in installed headers,
-	# but that breaks with AIX host headers.
-	pfx_comp=("-isystem" "${prefix}/include" "-isystem" "${prefix}/usr/include")
-	;;
-esac
-
-# ensure we run the right chost program in base prefix
-[[ ${myself} == *-*-*-* ]] || myself=${chost}-${myself#${chost}-}
-
-case "$mode" in
-link)    exec "${myself}" "${link_dirs[@]}" "${pfx_link[@]}" "${opts[@]}" "${pfx_comp[@]}" "${pfx_link_r[@]}" "${linkopts[@]}" ;;
-compile) exec "${myself}" "${link_dirs[@]}" "${opts[@]}" "${pfx_comp[@]}" ;;
-version) exec "${myself}" "${orig_args[@]}" ;;
-dirs)
-	"${myself}" "${orig_args[@]}" | while read line; do
-		if [[ "${line}" == "libraries: ="* ]]; then
-			echo "libraries: =${prefix}/usr/lib:${prefix}/lib:${line#"libraries: ="}"
-		else
-			echo "${line}"
-		fi
-	done
-	;;
-*)			echo "cannot infer ${myself}'s mode from comamnd line arguments"; exit 1 ;;
-esac
-EOIN
diff --git a/app-portage/prefix-toolkit/prefix-toolkit-7.ebuild b/app-portage/prefix-toolkit/prefix-toolkit-7.ebuild
deleted file mode 100644
index f401ec709a4e..000000000000
--- a/app-portage/prefix-toolkit/prefix-toolkit-7.ebuild
+++ /dev/null
@@ -1,692 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Utilities for users of Gentoo Prefix"
-HOMEPAGE="https://prefix.gentoo.org/"
-SRC_URI=""
-
-LICENSE="GPL-3"
-SLOT="0"
-
-[[ ${PV} == 9999 ]] ||
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
-
-DEPEND="
-	!app-portage/prefix-chain-setup
-	!sys-apps/prefix-chain-utils
-"
-BDEPEND="${DEPEND}
-	>sys-apps/portage-2.3.62
-"
-# In prefix-stack, these dependencies actually are the @system set,
-# as we rely on the base prefix anyway for package management,
-# which should have a proper @system set.
-# See als: pkg_preinst
-RDEPEND="${DEPEND}
-	prefix-stack? (
-		>=sys-apps/baselayout-prefix-2.6
-		sys-apps/gentoo-functions
-		app-portage/elt-patches
-		sys-devel/gnuconfig
-		sys-devel/gcc-config
-		elibc_Winnt? (
-			dev-libs/pthreads4w
-		)
-	)
-"
-
-S="${WORKDIR}"
-
-my_unpack() {
-	local infile=$1
-	local outfile=${2:-${infile}}
-	ebegin "extracting ${outfile}"
-	sed -ne "/^: ${infile} /,/EOIN/{/EOIN/d;p}" "${EBUILD}" \
-		> "${outfile}" || die "Failed to unpack ${outfile}"
-	eend $?
-}
-
-src_unpack() {
-	if use prefix-stack ; then
-		my_unpack prefix-stack.bash_login
-		my_unpack prefix-stack.bashrc
-		my_unpack prefix-stack.envd.99stack
-		my_unpack prefix-stack-ccwrap
-		local editor pager
-		for editor in "${EDITOR}" {"${EPREFIX}","${BROOT}"}/bin/nano
-		do
-			[[ -x ${editor} ]] || continue
-		done
-		for pager in "${PAGER}" {"${EPREFIX}","${BROOT}"}/usr/bin/less
-		do
-			[[ -x ${pager} ]] || continue
-		done
-		printf '%s\n' "EDITOR=\"${editor}\"" "PAGER=\"${pager}\"" > 000fallback
-	else
-		my_unpack prefix-stack-setup
-	fi
-	my_unpack startprefix
-}
-
-my_prefixify() {
-	local ebash eenv
-	if use prefix-stack ; then
-		ebash="${BROOT}/bin/bash"
-		eenv="${BROOT}/usr/bin/env"
-	else
-		ebash="${EPREFIX}/bin/bash"
-		eenv="${EPREFIX}/usr/bin/env"
-	fi
-
-	# the @=@ prevents repoman from believing we set readonly vars
-	sed -e "s,@GENTOO_PORTAGE_BPREFIX@,${BROOT},g" \
-		-e "s,@GENTOO_PORTAGE_EPREFIX@,${EPREFIX},g" \
-		-e "s,@GENTOO_PORTAGE_CHOST@,${CHOST},g" \
-		-e "s,@GENTOO_PORTAGE_EBASH@,${ebash},g" \
-		-e "s,@GENTOO_PORTAGE_EENV@,${eenv},g" \
-		-e "s,@=@,=,g" \
-		-i "$@" || die
-}
-
-src_configure() {
-	# do not eprefixify during unpack, to allow userpatches to apply
-	my_prefixify *
-}
-
-src_install-prefix-stack-ccwrap() {
-	# install toolchain wrapper.
-	local wrapperdir=/usr/${CHOST}/gcc-bin/${CHOST}-${PN}/${PV}
-	local wrappercfg=${CHOST}-${P}
-
-	exeinto $wrapperdir
-	doexe prefix-stack-ccwrap
-
-	local cc
-	for cc in \
-		gcc \
-		g++ \
-		cpp \
-		c++ \
-		windres \
-	; do
-		dosym prefix-stack-ccwrap $wrapperdir/${CHOST}-${cc}
-		dosym ${CHOST}-${cc} $wrapperdir/${cc}
-	done
-
-	# LDPATH is required to keep gcc-config happy :(
-	cat > ./${wrappercfg} <<-EOF
-		GCC_PATH="${EPREFIX}$wrapperdir"
-		LDPATH="${EPREFIX}$wrapperdir"
-		EOF
-
-	insinto /etc/env.d/gcc
-	doins ./${wrappercfg}
-}
-
-src_install() {
-	if use prefix-stack; then
-		src_install-prefix-stack-ccwrap
-		insinto /etc
-		doins prefix-stack.bash_login
-		insinto /etc/bash
-		newins prefix-stack.bashrc bashrc
-		newenvd prefix-stack.envd.99stack 99stack
-		doenvd 000fallback
-	else
-		dobin prefix-stack-setup
-	fi
-	exeinto /
-	doexe startprefix
-}
-
-pkg_preinst() {
-	use prefix-stack || return 0
-	ebegin "Purging @system package set for prefix stack"
-	# In prefix stack we empty out the @system set defined via make.profile,
-	# as we may be using some normal profile, but that @system set applies
-	# to the base prefix only.
-	# Instead, we only put ourselve into the @system set, and have additional
-	# @system packages in our RDEPEND.
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-	local systemset="/etc/portage/profile/packages"
-	dodir "${systemset%/*}"
-	[[ -s ${EROOT}${systemset} ]] &&
-		grep -v "# maintained by ${PN}" \
-			"${EROOT}${systemset}" \
-			> "${ED}${systemset}"
-	local p
-	for p in $(my_lsprofile "${EPREFIX}"/etc/portage/make.profile)
-	do
-		[[ -s ${p}/${systemset##*/} ]] || continue
-		awk '/^[ \t]*[^-#]/{print "-" $1 " # maintained by '"${PN}-${PVR}"'"}' \
-			< "${p}"/packages || die
-	done | sort -u >> "${ED}${systemset}"
-	[[ ${PIPESTATUS[@]} == "0 0" ]] || die "failed to collect for ${systemset}"
-	echo "*${CATEGORY}/${PN} # maintained by ${PN}-${PVR}" >> "${ED}${systemset}" || die
-	eend $?
-}
-
-pkg_postinst() {
-	use prefix-stack || return 0
-	[[ -x ${EROOT}/usr/bin/gcc-config ]] || return 0
-	"${EROOT}"/usr/bin/gcc-config ${CHOST}-${P}
-}
-
-return 0
-
-: startprefix <<'EOIN'
-#!@GENTOO_PORTAGE_EBASH@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# Fabian Groffen <grobian@gentoo.org> -- 2007-03-10
-# Enters the prefix environment by starting a login shell from the
-# prefix.  The SHELL environment variable is elevated in order to make
-# applications that start login shells to work, such as `screen`.
-
-# if you come from a substantially polluted environment (another
-# Prefix), a cleanup as follows resolves most oddities I've ever seen:
-# env -i HOME=$HOME TERM=$TERM USER=$USER $SHELL -l
-# hence this script starts the Prefix shell like this
-
-if [[ ${SHELL#@GENTOO_PORTAGE_EPREFIX@} != ${SHELL} ]]
-then
-	echo "You appear to be in prefix already (SHELL=${SHELL})" > /dev/stderr
-	exit -1
-elif [[ ${SHELL#@GENTOO_PORTAGE_BPREFIX@} != ${SHELL} ]] &&
-	 [[ ${EPREFIX-unset} == '@GENTOO_PORTAGE_EPREFIX@' ]]
-then
-	echo "You appear to be in stacked prefix already (EPREFIX=${EPREFIX})" > /dev/stderr
-	exit -1
-fi
-
-# What is our prefix?
-EPREFIX@=@'@GENTOO_PORTAGE_EPREFIX@'
-BPREFIX@=@'@GENTOO_PORTAGE_BPREFIX@'
-
-# not all systems have the same location for shells, however what it
-# boils down to, is that we need to know what the shell is, and then we
-# can find it in the bin dir of our prefix
-for SHELL in \
-	"${EPREFIX}/bin/${SHELL##*/}" \
-	"${BPREFIX}/bin/${SHELL##*/}" \
-	${SHELL##*/}
-do
-	[[ ${SHELL} == */* && -x ${SHELL} ]] && break
-done
-
-# check if the shell exists
-if [[ ${SHELL} != */* ]]
-then
-	echo "Failed to find the Prefix shell, this is probably" > /dev/stderr
-	echo "because you didn't emerge the shell ${SHELL}" > /dev/stderr
-	exit 1
-fi
-
-# set the prefix shell in the environment
-export SHELL
-
-# give a small notice
-echo "Entering Gentoo Prefix ${EPREFIX}"
-# start the login shell, clean the entire environment but what's needed
-RETAIN="HOME=$HOME TERM=$TERM USER=$USER SHELL=$SHELL"
-# PROFILEREAD is necessary on SUSE not to wipe the env on shell start
-[[ -n ${PROFILEREAD} ]] && RETAIN+=" PROFILEREAD=$PROFILEREAD"
-# ssh-agent is handy to keep, of if set, inherit it
-[[ -n ${SSH_AUTH_SOCK} ]] && RETAIN+=" SSH_AUTH_SOCK=$SSH_AUTH_SOCK"
-# if we're on some X terminal, makes sense to inherit that too
-[[ -n ${DISPLAY} ]] && RETAIN+=" DISPLAY=$DISPLAY"
-if [[ -d /proc/registry ]]; then # we're on Cygwin
-	# crucial to Windows but cannot be restored, see
-	# https://cygwin.com/ml/cygwin/2019-08/msg00072.html
-	[[ -n ${SYSTEMDRIVE} ]] && RETAIN+=" SYSTEMDRIVE=$SYSTEMDRIVE"
-	# COMSPEC is to native Windows what SHELL is to *nix
-	[[ -n ${COMSPEC} ]] && RETAIN+=" COMSPEC=$COMSPEC"
-	# some Windows programs (e.g. devenv.exe) need TMP or TEMP
-	[[ -n ${TEMP} ]] && RETAIN+=" TEMP=$TEMP"
-fi
-# do it!
-if [[ ${SHELL#${EPREFIX}} != ${SHELL} ]] ; then
-	'@GENTOO_PORTAGE_EENV@' -i $RETAIN $SHELL -l
-elif [[ ' bash ' == *" ${SHELL##*/} "* ]] ; then
-	# shell coming from different prefix would load it's own
-	# etc/profile upon -l, so we have to override
-	'@GENTOO_PORTAGE_EENV@' -i ${RETAIN} "${SHELL}" --rcfile "${EPREFIX}"/etc/prefix-stack.bash_login -i
-else
-	echo "Only bash is supported with stacked Prefix (you have ${SHELL##*/}), sorry!" > /dev/stderr
-	exit 1
-fi
-# and leave a message when we exit... the shell might return non-zero
-# without having real problems, so don't send alarming messages about
-# that
-echo "Leaving Gentoo Prefix with exit status $?"
-EOIN
-
-: prefix-stack.bashrc <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, yet
-# etc/bash/bashrc from base Prefix still is useful.
-#
-
-if [[ $- != *i* ]] ; then
-	# Shell is non-interactive, bashrc does not apply
-	return
-fi
-
-if [[ -r @GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc ]] ; then
-	source '@GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc'
-	# only if base Prefix does have an etc/bash/bashrc, we also
-	# run bashrc snippets provided by packages in stacked Prefix
-	for sh in '@GENTOO_PORTAGE_EPREFIX@'/etc/bash/bashrc.d/* ; do
-		[[ -r ${sh} ]] && source "${sh}"
-	done
-	unset sh
-else
-	# etc/profile does expect etc/bash/bashrc to set PS1
-	PS1='\u@\h \w \$ '
-fi
-EOIN
-
-: prefix-stack.bash_login <<'EOIN'
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-#
-# In stacked Prefix there is no bash installed, so there is
-# no bash able to load this Prefix' profile as login shell.
-# Instead, you can specify this one as bash rcfile to mimic
-# a bash login shell using this stacked Prefix profile.
-#
-
-if [[ -s '@GENTOO_PORTAGE_EPREFIX@/etc/profile' ]] ; then
-	. '@GENTOO_PORTAGE_EPREFIX@/etc/profile'
-fi
-if [[ -s ~/.bash_profile ]] ; then
-	. ~/.bash_profile
-elif [[ -s ~/.bash_login ]] ; then
-	. ~/.bash_login
-elif [[ -s ~/.profile ]] ; then
-	. ~/.profile
-fi
-EOIN
-
-: prefix-stack.envd.99stack <<'EOIN'
-PKG_CONFIG_PATH@=@"@GENTOO_PORTAGE_EPREFIX@/usr/lib/pkgconfig:@GENTOO_PORTAGE_EPREFIX@/usr/share/pkgconfig"
-AT_SYS_M4DIR@=@"@GENTOO_PORTAGE_EPREFIX@/usr/share/aclocal"
-PORTAGE_CONFIGROOT@=@"@GENTOO_PORTAGE_EPREFIX@"
-EPREFIX@=@"@GENTOO_PORTAGE_EPREFIX@"
-EOIN
-
-: prefix-stack-setup <<'EOIN'
-#!@GENTOO_PORTAGE_EPREFIX@/bin/bash
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
-PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
-CHILD_EPREFIX=
-CHILD_PROFILE=
-CHILD_CHOST=
-
-#
-# get ourselfs the functions.sh script for ebegin/eend/etc.
-#
-for f in \
-	/lib/gentoo/functions.sh \
-	/etc/init.d/functions.sh \
-	/sbin/functions.sh \
-; do
-	if [[ -r ${PARENT_EPREFIX}${f} ]] ; then
-		. "${PARENT_EPREFIX}${f}"
-		f=found
-		break
-	fi
-done
-
-if [[ ${f} != found ]] ; then
-	echo "Cannot find Gentoo functions, aborting." >&2
-	exit 1
-fi
-
-for arg in "$@"; do
-	case "${arg}" in
-	--eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
-	--profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
-	--chost=*)   CHILD_CHOST="${arg#--chost=}" ;;
-
-	--help)
-		einfo "$0 usage:"
-		einfo "  --eprefix=[PATH]       Path to new EPREFIX to create stacked to the prefix"
-		einfo "                         where this script is installed (${PARENT_EPREFIX})"
-		einfo "  --profile=[PATH]       The absolute path to the profile to use. This path"
-		einfo "                         must point to a directory within ${PARENT_EPREFIX}"
-		einfo "  --chost=[CHOST]        The CHOST to use for the new EPREFIX, required if"
-		einfo "                         the profile does not set CHOST, or to override."
-		exit 0
-		;;
-	esac
-done
-
-#
-# sanity check of given values
-#
-
-test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
-test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
-test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
-test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
-
-if [[ -z ${CHILD_CHOST} ]]
-then
-	my_lsprofile() {
-		(
-			cd -P "${1:-.}" || exit 1
-			[[ -r ./parent ]] &&
-				for p in $(<parent)
-				do
-					my_lsprofile "${p}" || exit 1
-				done
-			pwd -P
-		)
-	}
-
-	for profile in $(my_lsprofile "${CHILD_PROFILE}") missing
-	do
-		if [[ ${profile} == missing ]]
-		then
-		  eerror "profile does not set CHOST, need --chost argument"
-		  exit 1
-		fi
-		[[ -s "${profile}/make.defaults" ]] || continue
-		grep -q '^[ 	]*CHOST@=@' "${profile}/make.defaults" && break
-	done
-fi
-
-einfo "creating stacked prefix ${CHILD_EPREFIX}"
-
-#
-# functions needed below.
-#
-eend_exit() {
-	eend $1
-	[[ $1 != 0 ]] && exit 1
-}
-
-#
-# create the directories required to bootstrap the least.
-#
-ebegin "creating directory structure"
-(
-	set -e
-	mkdir -p "${CHILD_EPREFIX}"/var/tmp/portage
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.mask
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.force
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/env
-	mkdir -p "${CHILD_EPREFIX}"/etc/portage/package.env
-	ln -s "${PARENT_EPREFIX}"/etc/portage/repos.conf "${CHILD_EPREFIX}"/etc/portage/repos.conf
-)
-eend_exit $?
-
-#
-# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
-#
-ebegin "creating make.conf"
-(
-	set -e
-	echo "#"
-	echo "# These are sane default compiler flags, feel free to adopt them as you like."
-	echo "# Extending the flags is done to respect flags probably set by some profile."
-	echo "#"
-	echo "CFLAGS=\"\${CFLAGS} -O2 -pipe\""
-	echo "CXXFLAGS=\"${CXXFLAGS} -O2 -pipe\""
-	echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
-	niceness=$(portageq envvar PORTAGE_NICENESS || true)
-	[[ -n ${niceness} ]] &&
-		echo "PORTAGE_NICENESS=\"${niceness}\""
-	echo
-	echo "# Mirrors from parent prefix."
-	echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
-	echo
-	echo "# Below comes the prefix-stack setup. Only change things"
-	echo "# if you know exactly what you are doing!"
-	echo "EPREFIX=\"${CHILD_EPREFIX}\""
-	echo "PORTAGE_OVERRIDE_EPREFIX=\"${PARENT_EPREFIX}\""
-	echo "BROOT=\"${PARENT_EPREFIX}\""
-	echo "PORTAGE_TMPDIR=\"\${EPREFIX}/var/tmp\""
-	# Since EAPI 7 there is BDEPEND, which is DEPEND in EAPI up to 6.
-	# We do not want to pull DEPEND from EAPI <= 6, but RDEPEND only.
-	echo "EMERGE_DEFAULT_OPTS=\"--root-deps=rdeps\""
-	if [[ -n ${CHILD_CHOST} ]] ; then
-		echo "CHOST=\"${CHILD_CHOST}\""
-	fi
-) > "${CHILD_EPREFIX}"/etc/portage/make.conf
-eend_exit $?
-
-ebegin "creating use.mask/prefix-stack"
-printf -- '-%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.mask/prefix-stack
-eend_exit $?
-
-ebegin "creating use.force/prefix-stack"
-printf -- '%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.force/prefix-stack
-eend_exit $?
-
-ebegin "creating env/host-cc.conf"
-cat > "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf <<-EOM
-	CC=${PARENT_CHOST}-gcc
-	CXX=${PARENT_CHOST}-g++
-	# Inherited compiler flags from parent prefix,
-	# as the child prefix may have a different compiler.
-	CFLAGS="$(portageq envvar CFLAGS)"
-	CXXFLAGS="$(portageq envvar CXXFLAGS)"
-	EOM
-eend_exit $?
-
-ebegin "creating package.env/prefix-stack"
-cat > "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack <<-'EOM'
-	# merge with the parent's chost. this forces the use of the parent
-	# compiler, which generally would be illegal - this is an exception.
-	# This is required for example on winnt, because the wrapper has to
-	# be able to use/resolve symlinks, etc. native winnt binaries miss
-	# that ability, but cygwin binaries don't.
-	sys-devel/gcc-config host-cc.conf
-	sys-apps/gentoo-functions host-cc.conf
-	EOM
-eend_exit $?
-
-#
-# create the make.profile symlinks.
-#
-ebegin "creating make.profile"
-(
-	ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
-)
-eend_exit $?
-
-#
-# adjust permissions of generated files.
-#
-ebegin "adjusting permissions"
-(
-	set -e
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf
-	chmod 644 "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack
-)
-eend_exit $?
-
-#
-# now merge some basics.
-#
-ebegin "installing required basic packages"
-(
-	set -e
-	export PORTAGE_CONFIGROOT@=@"${CHILD_EPREFIX}"
-	export EPREFIX@=@"${CHILD_EPREFIX}"
-	export PORTAGE_OVERRIDE_EPREFIX@=@"${PARENT_EPREFIX}"
-
-	# let baselayout create the directories
-	USE@=@"${USE} build" \
-	emerge --verbose --nodeps --oneshot \
-		'>=baselayout-prefix-2.6'
-
-	# In prefix-stack, app-portage/prefix-toolkit does
-	# install/update an etc/portage/profile/packages file,
-	# removing all @system packages from current make.profile,
-	# and adding itself to @system set instead.
-	emerge --verbose --nodeps --oneshot \
-		app-portage/prefix-toolkit
-
-	# In prefix-stack, prefix-toolkit does have an RDEPEND on them,
-	# to hold them in the @system set.
-	emerge --verbose --nodeps --oneshot \
-		sys-apps/gentoo-functions \
-		app-portage/elt-patches \
-		sys-devel/gnuconfig \
-		sys-devel/gcc-config
-
-	# get eventual dependencies, add to world
-	emerge --verbose --update --deep \
-		app-portage/prefix-toolkit
-
-	# select the stack wrapper profile from gcc-config
-	env -i PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" \
-		"$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
-)
-eend_exit $?
-
-#
-# wow, all ok :)
-#
-ewarn
-ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
-ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
-ewarn
-EOIN
-
-: prefix-stack-ccwrap <<'EOIN'
-#!@GENTOO_PORTAGE_BPREFIX@/bin/bash
-
-if [ -r /cygdrive/. ]; then
-	winpath2unix() { cygpath -u "$1"; }
-	unixpath2win() { cygpath -w "$1"; }
-fi
-
-myself=${0##*/} # basename $0
-link_dirs=()
-linkopts=()
-opts=()
-chost="@GENTOO_PORTAGE_CHOST@"
-prefix="@GENTOO_PORTAGE_EPREFIX@"
-absprefix=${prefix}
-if [[ ${chost} == *"-winnt"* ]]; then
-	# we may get called from windows binary, like pkgdata in dev-libs/icu
-	# in this case, PATH elements get the "/dev/fs/C/WINDOWS/SUA" prefix
-	absprefix=$(winpath2unix "$(unixpath2win "${absprefix}")")
-fi
-[[ ${myself} == *windres* ]] && mode=compile || mode=link
-orig_args=("$@")
-
-for opt in "$@"
-do
-	if [[ ${chost} == *"-winnt"* ]]; then
-		# We depend on dev-libs/pthreads4w, no?
-		case ${opt} in
-		-pthread | -lpthread)
-			case " ${linkopts[*]} " in
-			*" -lpthread "*) ;;
-			*) linkopts=( "${linkopts[@]}" "-lpthread" ) ;;
-			esac
-			continue
-			;;
-		esac
-	fi
-	case "$opt" in
-	-L)
-		link_dirs=("${link_dirs[@]}" "-L$1")
-		shift
-		;;
-	-L*)
-		link_dirs=("${link_dirs[@]}" "${opt}")
-		;;
-	*)
-		case "${opt}" in
-		-v)
-			# -v done right: only use mode version if -v is the _only_
-			# argument on the command line.
-			[[ ${#orig_args[@]} -gt 1 ]] || mode=version
-			;;
-		--version)	mode=version ;;
-		-c|-E|-S)	mode=compile ;;
-		-print-search-dirs) mode=dirs ;;
-		esac
-		opts=("${opts[@]}" "${opt}")
-		;;
-	esac
-done
-
-# remove any path to current prefix, need base prefix only
-new_path=
-save_ifs=$IFS
-IFS=':'
-for p in $PATH
-do
-	IFS=$save_ifs
-	[[ ${p#${absprefix}} != "${p}" ]] && continue
-	if [[ -z "${new_path}" ]]; then
-		new_path="${p}"
-	else
-		new_path="${new_path}:${p}"
-	fi
-done
-IFS=$save_ifs
-
-PATH=${new_path}
-
-pfx_comp=("-I${prefix}/include" "-I${prefix}/usr/include")
-pfx_link=("-L${prefix}/usr/lib" "-L${prefix}/lib")
-# binutils-config's ldwrapper understands '-R' for aix and hpux too.
-pfx_link_r=("-Wl,-R,${prefix}/lib" "-Wl,-R,${prefix}/usr/lib")
-case "${chost}" in
-*-winnt*)
-	# parity (winnt) understands -rpath only ...
-	pfx_link_r=("-Wl,-rpath,${prefix}/lib" "-Wl,-rpath,${prefix}/usr/lib")
-	;;
-*-linux*)
-	# With gcc, -isystem would avoid warning messages in installed headers,
-	# but that breaks with AIX host headers.
-	pfx_comp=("-isystem" "${prefix}/include" "-isystem" "${prefix}/usr/include")
-	;;
-esac
-
-# ensure we run the right chost program in base prefix
-[[ ${myself} == *-*-*-* ]] || myself=${chost}-${myself#${chost}-}
-
-case "$mode" in
-link)    exec "${myself}" "${link_dirs[@]}" "${pfx_link[@]}" "${opts[@]}" "${pfx_comp[@]}" "${pfx_link_r[@]}" "${linkopts[@]}" ;;
-compile) exec "${myself}" "${link_dirs[@]}" "${opts[@]}" "${pfx_comp[@]}" ;;
-version) exec "${myself}" "${orig_args[@]}" ;;
-dirs)
-	"${myself}" "${orig_args[@]}" | while read line; do
-		if [[ "${line}" == "libraries: ="* ]]; then
-			echo "libraries: =${prefix}/usr/lib:${prefix}/lib:${line#"libraries: ="}"
-		else
-			echo "${line}"
-		fi
-	done
-	;;
-*)			echo "cannot infer ${myself}'s mode from comamnd line arguments"; exit 1 ;;
-esac
-EOIN
-- 
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