[gentoo-commits] repo/gentoo:master commit in: eclass/

[Andreas K. Hüttel]

commit:     860cbbb5dfad9cac7f44743c91d007faf4f450ed
Author:     Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org>
AuthorDate: Sun Jan 16 14:45:17 2022 +0000
Commit:     Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org>
CommitDate: Sun Jan 16 14:45:52 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=860cbbb5

toolchain-glibc.eclass: Begone foul spirit!

Signed-off-by: Andreas K. Hüttel <dilfridge <AT> gentoo.org>

 eclass/toolchain-glibc.eclass | 1488 -----------------------------------------
 1 file changed, 1488 deletions(-)

diff --git a/eclass/toolchain-glibc.eclass b/eclass/toolchain-glibc.eclass
deleted file mode 100644
index a0a407882d60..000000000000
--- a/eclass/toolchain-glibc.eclass
+++ /dev/null
@@ -1,1488 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# @DEAD
-
-# @ECLASS: toolchain-glibc.eclass
-# @MAINTAINER:
-# <toolchain@g.o>
-# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6
-# @BLURB: Common code for sys-libs/glibc ebuilds
-# @DESCRIPTION:
-# This eclass contains the common phase functions migrated from
-# sys-libs/glibc eblits.
-
-if [[ -z ${_TOOLCHAIN_GLIBC_ECLASS} ]]; then
-
-TMPFILES_OPTIONAL=1
-
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig \
-	multilib systemd tmpfiles unpacker multiprocessing prefix
-
-case ${EAPI:-0} in
-	0|1|2|3) EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_test \
-		src_install pkg_preinst pkg_postinst;;
-	2|3) EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure \
-		src_compile src_test src_install pkg_preinst pkg_postinst;;
-	4|5) EXPORT_FUNCTIONS pkg_pretend pkg_setup src_unpack src_prepare \
-		src_configure src_compile src_test src_install \
-		pkg_preinst pkg_postinst;;
-	6) EXPORT_FUNCTIONS pkg_pretend;;
-	*) die "Unsupported EAPI=${EAPI}";;
-esac
-
-# == common ==
-
-alt_prefix() {
-	is_crosscompile && echo /usr/${CTARGET}
-}
-
-if [[ ${EAPI:-0} == [012] ]] ; then
-	: ${ED:=${D}}
-	: ${EROOT:=${ROOT}}
-fi
-# This indirection is for binpkgs. #523332
-_nonfatal() { nonfatal "$@" ; }
-if [[ ${EAPI:-0} == [0123] ]] ; then
-	nonfatal() { "$@" ; }
-	_nonfatal() { "$@" ; }
-fi
-
-# We need to be able to set alternative headers for
-# compiling for non-native platform
-# Will also become useful for testing kernel-headers without screwing up
-# the whole system.
-# note: intentionally undocumented.
-alt_headers() {
-	echo ${ALT_HEADERS:=$(alt_prefix)/usr/include}
-}
-alt_build_headers() {
-	if [[ -z ${ALT_BUILD_HEADERS} ]] ; then
-		ALT_BUILD_HEADERS="${EPREFIX}$(alt_headers)"
-		if tc-is-cross-compiler ; then
-			ALT_BUILD_HEADERS=${SYSROOT}$(alt_headers)
-			if [[ ! -e ${ALT_BUILD_HEADERS}/linux/version.h ]] ; then
-				local header_path=$(echo '#include <linux/version.h>' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h')
-				ALT_BUILD_HEADERS=${header_path%/linux/version.h}
-			fi
-		fi
-	fi
-	echo "${ALT_BUILD_HEADERS}"
-}
-
-alt_libdir() {
-	echo $(alt_prefix)/$(get_libdir)
-}
-alt_usrlibdir() {
-	echo $(alt_prefix)/usr/$(get_libdir)
-}
-
-builddir() {
-	echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1"
-}
-
-setup_target_flags() {
-	# This largely mucks with compiler flags.  None of which should matter
-	# when building up just the headers.
-	just_headers && return 0
-
-	case $(tc-arch) in
-		x86)
-			# -march needed for #185404 #199334
-			# TODO: When creating the first glibc cross-compile, this test will
-			# always fail as it does a full link which in turn requires glibc.
-			# Probably also applies when changing multilib profile settings (e.g.
-			# enabling x86 when the profile was amd64-only previously).
-			# We could change main to _start and pass -nostdlib here so that we
-			# only test the gcc code compilation.  Or we could do a compile and
-			# then look for the symbol via scanelf.
-			if ! glibc_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n' 2>/dev/null ; then
-				local t=${CTARGET_OPT:-${CTARGET}}
-				t=${t%%-*}
-				filter-flags '-march=*'
-				export CFLAGS="-march=${t} ${CFLAGS}"
-				einfo "Auto adding -march=${t} to CFLAGS #185404"
-			fi
-		;;
-		amd64)
-			# -march needed for #185404 #199334
-			# Note: This test only matters when the x86 ABI is enabled, so we could
-			# optimize a bit and elide it.
-			# TODO: See cross-compile issues listed above for x86.
-			if ! glibc_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n' 2>/dev/null ; then
-				local t=${CTARGET_OPT:-${CTARGET}}
-				t=${t%%-*}
-				# Normally the target is x86_64-xxx, so turn that into the -march that
-				# gcc actually accepts. #528708
-				[[ ${t} == "x86_64" ]] && t="x86-64"
-				filter-flags '-march=*'
-				# ugly, ugly, ugly.  ugly.
-				CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}")
-				export CFLAGS_x86="${CFLAGS_x86} -march=${t}"
-				einfo "Auto adding -march=${t} to CFLAGS_x86 #185404"
-			fi
-		;;
-		mips)
-			# The mips abi cannot support the GNU style hashes. #233233
-			filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both
-		;;
-		sparc)
-			# Both sparc and sparc64 can use -fcall-used-g6.  -g7 is bad, though.
-			filter-flags "-fcall-used-g7"
-			append-flags "-fcall-used-g6"
-
-			# If the CHOST is the basic one (e.g. not sparcv9-xxx already),
-			# try to pick a better one so glibc can use cpu-specific .S files.
-			# We key off the CFLAGS to get a good value.  Also need to handle
-			# version skew.
-			# We can't force users to set their CHOST to their exact machine
-			# as many of these are not recognized by config.sub/gcc and such :(.
-			# Note: If the mcpu values don't scale, we might try probing CPP defines.
-			# Note: Should we factor in -Wa,-AvXXX flags too ?  Or -mvis/etc... ?
-
-			local cpu
-			case ${CTARGET} in
-			sparc64-*)
-				case $(get-flag mcpu) in
-				niagara[234])
-					if version_is_at_least 2.8 ; then
-						cpu="sparc64v2"
-					elif version_is_at_least 2.4 ; then
-						cpu="sparc64v"
-					elif version_is_at_least 2.2.3 ; then
-						cpu="sparc64b"
-					fi
-					;;
-				niagara)
-					if version_is_at_least 2.4 ; then
-						cpu="sparc64v"
-					elif version_is_at_least 2.2.3 ; then
-						cpu="sparc64b"
-					fi
-					;;
-				ultrasparc3)
-					cpu="sparc64b"
-					;;
-				*)
-					# We need to force at least v9a because the base build doesn't
-					# work with just v9.
-					# https://sourceware.org/bugzilla/show_bug.cgi?id=19477
-					[[ -z ${cpu} ]] && append-flags "-Wa,-xarch=v9a"
-					;;
-				esac
-				;;
-			sparc-*)
-				case $(get-flag mcpu) in
-				niagara[234])
-					if version_is_at_least 2.8 ; then
-						cpu="sparcv9v2"
-					elif version_is_at_least 2.4 ; then
-						cpu="sparcv9v"
-					elif version_is_at_least 2.2.3 ; then
-						cpu="sparcv9b"
-					else
-						cpu="sparcv9"
-					fi
-					;;
-				niagara)
-					if version_is_at_least 2.4 ; then
-						cpu="sparcv9v"
-					elif version_is_at_least 2.2.3 ; then
-						cpu="sparcv9b"
-					else
-						cpu="sparcv9"
-					fi
-					;;
-				ultrasparc3)
-					cpu="sparcv9b"
-					;;
-				v9|ultrasparc)
-					cpu="sparcv9"
-					;;
-				v8|supersparc|hypersparc|leon|leon3)
-					cpu="sparcv8"
-					;;
-				esac
-			;;
-			esac
-			[[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}"
-		;;
-	esac
-}
-
-setup_flags() {
-	# Make sure host make.conf doesn't pollute us
-	if is_crosscompile || tc-is-cross-compiler ; then
-		CHOST=${CTARGET} strip-unsupported-flags
-	fi
-
-	# Store our CFLAGS because it's changed depending on which CTARGET
-	# we are building when pulling glibc on a multilib profile
-	CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}}
-	CFLAGS=${CFLAGS_BASE}
-	CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}}
-	CXXFLAGS=${CXXFLAGS_BASE}
-	ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}}
-	ASFLAGS=${ASFLAGS_BASE}
-
-	# Over-zealous CFLAGS can often cause problems.  What may work for one
-	# person may not work for another.  To avoid a large influx of bugs
-	# relating to failed builds, we strip most CFLAGS out to ensure as few
-	# problems as possible.
-	strip-flags
-	strip-unsupported-flags
-	filter-flags -m32 -m64 -mabi=*
-	filter-ldflags -Wl,-rpath=*
-
-	# Bug 492892.
-	filter-flags -frecord-gcc-switches
-
-	unset CBUILD_OPT CTARGET_OPT
-	if use multilib ; then
-		CTARGET_OPT=$(get_abi_CTARGET)
-		[[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST)
-	fi
-
-	setup_target_flags
-
-	if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then
-		CBUILD_OPT=${CTARGET_OPT}
-	fi
-
-	# Lock glibc at -O2 -- linuxthreads needs it and we want to be
-	# conservative here.  -fno-strict-aliasing is to work around #155906
-	filter-flags -O?
-	append-flags -O2 -fno-strict-aliasing
-
-	# Can't build glibc itself with fortify code.  Newer versions add
-	# this flag for us, so no need to do it manually.
-	version_is_at_least 2.16 ${PV} || append-cppflags -U_FORTIFY_SOURCE
-
-	# building glibc <2.25 with SSP is fraught with difficulty, especially
-	# due to __stack_chk_fail_local which would mean significant changes
-	# to the glibc build process. See bug #94325 #293721
-	# Note we have to handle both user-given CFLAGS and gcc defaults via
-	# spec rules here.  We can't simply add -fno-stack-protector as it gets
-	# added before user flags, and we can't just filter-flags because
-	# _filter_hardened doesn't support globs.
-	filter-flags -fstack-protector*
-	if ! version_is_at_least 2.25 ; then
-		tc-enables-ssp && append-flags $(test-flags -fno-stack-protector)
-	fi
-
-	if [[ $(gcc-major-version) -lt 6 ]]; then
-		# Starting with gcc-6 (and fully upstreamed pie patches) we control
-		# default enabled/disabled pie via use flags. So nothing to do
-		# here. #618160
-
-		if use hardened && tc-enables-pie ; then
-			# Force PIC macro definition for all compilations since they're all
-			# either -fPIC or -fPIE with the default-PIE compiler.
-			append-cppflags -DPIC
-		else
-			# Don't build -fPIE without the default-PIE compiler and the
-			# hardened-pie patch
-			filter-flags -fPIE
-		fi
-	fi
-}
-
-want_nptl() {
-	[[ -z ${LT_VER} ]] && return 0
-	want_tls || return 1
-	use nptl || return 1
-
-	# Older versions of glibc had incomplete arch support for nptl.
-	# But if you're building those now, you can handle USE=nptl yourself.
-	return 0
-}
-
-want_linuxthreads() {
-	[[ -z ${LT_VER} ]] && return 1
-	use linuxthreads
-}
-
-want_tls() {
-	# Archs that can use TLS (Thread Local Storage)
-	case $(tc-arch) in
-		x86)
-			# requires i486 or better #106556
-			[[ ${CTARGET} == i[4567]86* ]] && return 0
-			return 1
-		;;
-	esac
-
-	return 0
-}
-
-want__thread() {
-	want_tls || return 1
-
-	# For some reason --with-tls --with__thread is causing segfaults on sparc32.
-	[[ ${PROFILE_ARCH} == "sparc" ]] && return 1
-
-	[[ -n ${WANT__THREAD} ]] && return ${WANT__THREAD}
-
-	# only test gcc -- can't test linking yet
-	tc-has-tls -c ${CTARGET}
-	WANT__THREAD=$?
-
-	return ${WANT__THREAD}
-}
-
-use_multiarch() {
-	# Make sure binutils is new enough to support indirect functions #336792
-	# This funky sed supports gold and bfd linkers.
-	local bver nver
-	bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}')
-	case $(tc-arch ${CTARGET}) in
-	amd64|x86) nver="2.20" ;;
-	arm)       nver="2.22" ;;
-	hppa)      nver="2.23" ;;
-	ppc|ppc64) nver="2.20" ;;
-	# ifunc was added in 2.23, but glibc also needs machinemode which is in 2.24.
-	s390)      nver="2.24" ;;
-	sparc)     nver="2.21" ;;
-	*)         return 1 ;;
-	esac
-	version_is_at_least ${nver} ${bver}
-}
-
-# Setup toolchain variables that had historically
-# been defined in the profiles for these archs.
-setup_env() {
-	# silly users
-	unset LD_RUN_PATH
-	unset LD_ASSUME_KERNEL
-
-	if is_crosscompile || tc-is-cross-compiler ; then
-		multilib_env ${CTARGET_OPT:-${CTARGET}}
-
-		if ! use multilib ; then
-			MULTILIB_ABIS=${DEFAULT_ABI}
-		else
-			MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}}
-		fi
-
-		# If the user has CFLAGS_<CTARGET> in their make.conf, use that,
-		# and fall back on CFLAGS.
-		local VAR=CFLAGS_${CTARGET//[-.]/_}
-		CFLAGS=${!VAR-${CFLAGS}}
-		einfo " $(printf '%15s' 'Manual CFLAGS:')   ${CFLAGS}"
-	fi
-
-	setup_flags
-
-	export ABI=${ABI:-${DEFAULT_ABI:-default}}
-
-	if just_headers ; then
-		# Avoid mixing host's CC and target's CFLAGS_${ABI}:
-		# At this bootstrap stage we have only binutils for
-		# target but not compiler yet.
-		einfo "Skip CC ABI injection. We can't use (cross-)compiler yet."
-		return 0
-	fi
-
-	local VAR=CFLAGS_${ABI}
-	# We need to export CFLAGS with abi information in them because glibc's
-	# configure script checks CFLAGS for some targets (like mips).  Keep
-	# around the original clean value to avoid appending multiple ABIs on
-	# top of each other.
-	: ${__GLIBC_CC:=$(tc-getCC ${CTARGET_OPT:-${CTARGET}})}
-	export __GLIBC_CC CC="${__GLIBC_CC} ${!VAR}"
-	einfo " $(printf '%15s' 'Manual CC:')   ${CC}"
-}
-
-foreach_abi() {
-	setup_env
-
-	local ret=0
-	local abilist=""
-	if use multilib ; then
-		abilist=$(get_install_abis)
-	else
-		abilist=${DEFAULT_ABI}
-	fi
-	local -x ABI
-	for ABI in ${abilist:-default} ; do
-		setup_env
-		einfo "Running $1 for ABI ${ABI}"
-		$1
-		: $(( ret |= $? ))
-	done
-	return ${ret}
-}
-
-just_headers() {
-	is_crosscompile && use headers-only
-}
-
-glibc_banner() {
-	local b="Gentoo ${PVR}"
-	[[ -n ${SNAP_VER} ]] && b+=" snapshot ${SNAP_VER}"
-	[[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}"
-	echo "${b}"
-}
-
-# == phases ==
-
-glibc_compile_test() {
-	local ret save_cflags=${CFLAGS}
-	CFLAGS+=" $1"
-	shift
-
-	pushd "${T}" >/dev/null
-
-	rm -f glibc-test*
-	printf '%b' "$*" > glibc-test.c
-
-	_nonfatal emake -s glibc-test
-	ret=$?
-
-	popd >/dev/null
-
-	CFLAGS=${save_cflags}
-	return ${ret}
-}
-
-glibc_run_test() {
-	local ret
-
-	if [[ ${EMERGE_FROM} == "binary" ]] ; then
-		# ignore build failures when installing a binary package #324685
-		glibc_compile_test "" "$@" 2>/dev/null || return 0
-	else
-		if ! glibc_compile_test "" "$@" ; then
-			ewarn "Simple build failed ... assuming this is desired #324685"
-			return 0
-		fi
-	fi
-
-	pushd "${T}" >/dev/null
-
-	./glibc-test
-	ret=$?
-	rm -f glibc-test*
-
-	popd >/dev/null
-
-	return ${ret}
-}
-
-check_devpts() {
-	# Make sure devpts is mounted correctly for use w/out setuid pt_chown.
-
-	# If merely building the binary package, then there's nothing to verify.
-	[[ ${MERGE_TYPE} == "buildonly" ]] && return
-
-	# Only sanity check when installing the native glibc.
-	[[ ${ROOT} != "/" ]] && return
-
-	# Older versions always installed setuid, so no need to check.
-	in_iuse suid || return
-
-	# If they're opting in to the old suid code, then no need to check.
-	use suid && return
-
-	if awk '$3 == "devpts" && $4 ~ /[, ]gid=5[, ]/ { exit 1 }' /proc/mounts ; then
-		eerror "In order to use glibc with USE=-suid, you must make sure that"
-		eerror "you have devpts mounted at /dev/pts with the gid=5 option."
-		eerror "Openrc should do this for you, so you should check /etc/fstab"
-		eerror "and make sure you do not have any invalid settings there."
-		# Do not die on older kernels as devpts did not export these settings #489520.
-		if version_is_at_least 2.6.25 $(uname -r) ; then
-			die "mount & fix your /dev/pts settings"
-		fi
-	fi
-}
-
-toolchain-glibc_pkg_pretend() {
-	if [[ ${EAPI:-0} == 6 ]]; then
-		eerror "We're moving code back to the ebuilds to get away from the ancient EAPI cruft."
-		eerror "From EAPI=6 on you'll have to define the phases in the glibc ebuilds."
-		die "Silly overlay authors..."
-	fi
-
-	# For older EAPIs, this is run in pkg_preinst.
-	if [[ ${EAPI:-0} != [0123] ]] ; then
-		check_devpts
-	fi
-
-	# Prevent native builds from downgrading.
-	if [[ ${MERGE_TYPE} != "buildonly" ]] && \
-	   [[ ${ROOT} == "/" ]] && \
-	   [[ ${CBUILD} == ${CHOST} ]] && \
-	   [[ ${CHOST} == ${CTARGET} ]] ; then
-		# The high rev # is to allow people to downgrade between -r# versions.
-		# We want to block 2.20->2.19, but 2.20-r3->2.20-r2 should be fine.
-		# Hopefully we never actually use a r# this high.
-		if has_version ">${CATEGORY}/${P}-r10000" ; then
-			eerror "Sanity check to keep you from breaking your system:"
-			eerror " Downgrading glibc is not supported and a sure way to destruction"
-			[[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system."
-		fi
-
-		if ! glibc_run_test '#include <pwd.h>\nint main(){return getpwuid(0)==0;}\n'
-		then
-			eerror "Your patched vendor kernel is broken.  You need to get an"
-			eerror "update from whoever is providing the kernel to you."
-			eerror "https://sourceware.org/bugzilla/show_bug.cgi?id=5227"
-			eerror "http://bugs.gentoo.org/262698"
-			die "keeping your system alive, say thank you"
-		fi
-
-		if ! glibc_run_test '#include <unistd.h>\n#include <sys/syscall.h>\nint main(){return syscall(1000)!=-1;}\n'
-		then
-			eerror "Your old kernel is broken.  You need to update it to"
-			eerror "a newer version as syscall(<bignum>) will break."
-			eerror "http://bugs.gentoo.org/279260"
-			die "keeping your system alive, say thank you"
-		fi
-	fi
-
-	# users have had a chance to phase themselves, time to give em the boot
-	if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then
-		eerror "You still haven't deleted ${EROOT}/etc/locales.build."
-		eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher."
-		die "lazy upgrader detected"
-	fi
-
-	if [[ ${CTARGET} == i386-* ]] ; then
-		eerror "i386 CHOSTs are no longer supported."
-		eerror "Chances are you don't actually want/need i386."
-		eerror "Please read http://www.gentoo.org/doc/en/change-chost.xml"
-		die "please fix your CHOST"
-	fi
-
-	if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then
-		ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS."
-		ewarn "This will result in a 50% performance penalty when running with a 32bit"
-		ewarn "hypervisor, which is probably not what you want."
-	fi
-
-	# Make sure host system is up to date #394453
-	if has_version '<sys-libs/glibc-2.13' && \
-	   [[ -n $(scanelf -qys__guard -F'#s%F' "${EROOT}"/lib*/l*-*.so) ]]
-	then
-		ebegin "Scanning system for __guard to see if you need to rebuild first ..."
-		local files=$(
-			scanelf -qys__guard -F'#s%F' \
-				"${EROOT}"/*bin/ \
-				"${EROOT}"/lib* \
-				"${EROOT}"/usr/*bin/ \
-				"${EROOT}"/usr/lib* | \
-				egrep -v \
-					-e "^${EROOT}/lib.*/(libc|ld)-2.*.so$" \
-					-e "^${EROOT}/sbin/(ldconfig|sln)$"
-		)
-		[[ -z ${files} ]]
-		if ! eend $? ; then
-			eerror "Your system still has old SSP __guard symbols.  You need to"
-			eerror "rebuild all the packages that provide these files first:"
-			eerror "${files}"
-			die "old __guard detected"
-		fi
-	fi
-}
-
-toolchain-glibc_pkg_setup() {
-	[[ ${EAPI:-0} == [0123] ]] && toolchain-glibc_pkg_pretend
-}
-
-# The following Kernel version handling functions are mostly copied from portage
-# source. It's better not to use linux-info.eclass here since a) it adds too
-# much magic, see bug 326693 for some of the arguments, and b) some of the
-# functions are just not provided.
-
-tc_glibc_get_KV() {
-	uname -r
-	return $?
-}
-
-tc_glibc_KV_major() {
-	[[ -z $1 ]] && return 1
-	local KV=$@
-	echo "${KV%%.*}"
-}
-
-tc_glibc_KV_minor() {
-	[[ -z $1 ]] && return 1
-	local KV=$@
-	KV=${KV#*.}
-	echo "${KV%%.*}"
-}
-
-tc_glibc_KV_micro() {
-	[[ -z $1 ]] && return 1
-	local KV=$@
-	KV=${KV#*.*.}
-	echo "${KV%%[^[:digit:]]*}"
-}
-
-tc_glibc_KV_to_int() {
-	[[ -z $1 ]] && return 1
-	local KV_MAJOR=$(tc_glibc_KV_major "$1")
-	local KV_MINOR=$(tc_glibc_KV_minor "$1")
-	local KV_MICRO=$(tc_glibc_KV_micro "$1")
-	local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO ))
-
-	# We make version 2.2.0 the minimum version we will handle as
-	# a sanity check ... if its less, we fail ...
-	if [[ ${KV_int} -ge 131584 ]] ; then
-		echo "${KV_int}"
-		return 0
-	fi
-	return 1
-}
-
-tc_glibc_int_to_KV() {
-	local version=$1 major minor micro
-	major=$((version / 65536))
-	minor=$(((version % 65536) / 256))
-	micro=$((version % 256))
-	echo ${major}.${minor}.${micro}
-}
-
-eend_KV() {
-	[[ $(tc_glibc_KV_to_int $1) -ge $(tc_glibc_KV_to_int $2) ]]
-	eend $?
-}
-
-get_kheader_version() {
-	printf '#include <linux/version.h>\nLINUX_VERSION_CODE\n' | \
-	$(tc-getCPP ${CTARGET}) -I "$(alt_build_headers)" - | \
-	tail -n 1
-}
-
-check_nptl_support() {
-	# don't care about the compiler here as we aren't using it
-	just_headers && return
-
-	local run_kv build_kv want_kv
-	run_kv=$(tc_glibc_get_KV)
-	build_kv=$(tc_glibc_int_to_KV $(get_kheader_version))
-	want_kv=${NPTL_KERN_VER}
-
-	ebegin "Checking gcc for __thread support"
-	if ! eend $(want__thread ; echo $?) ; then
-		echo
-		eerror "Could not find a gcc that supports the __thread directive!"
-		eerror "Please update your binutils/gcc and try again."
-		die "No __thread support in gcc!"
-	fi
-
-	if ! is_crosscompile && ! tc-is-cross-compiler ; then
-		# Building fails on an non-supporting kernel
-		ebegin "Checking kernel version (${run_kv} >= ${want_kv})"
-		if ! eend_KV ${run_kv} ${want_kv} ; then
-			echo
-			eerror "You need a kernel of at least ${want_kv} for NPTL support!"
-			die "Kernel version too low!"
-		fi
-	fi
-
-	ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})"
-	if ! eend_KV ${build_kv} ${want_kv} ; then
-		echo
-		eerror "You need linux-headers of at least ${want_kv} for NPTL support!"
-		die "linux-headers version too low!"
-	fi
-}
-
-unpack_pkg() {
-	local a=${PN}
-	[[ -n ${SNAP_VER} ]] && a="${a}-${RELEASE_VER}"
-	[[ -n $1 ]] && a="${a}-$1"
-	if [[ -n ${SNAP_VER} ]] ; then
-		a="${a}-${SNAP_VER}"
-	else
-		if [[ -n $2 ]] ; then
-			a="${a}-$2"
-		else
-			a="${a}-${RELEASE_VER}"
-		fi
-	fi
-	if has ${a}.tar.xz ${A} ; then
-		unpacker ${a}.tar.xz
-	else
-		unpack ${a}.tar.bz2
-	fi
-	[[ -n $1 ]] && { mv ${a} $1 || die ; }
-}
-
-toolchain-glibc_do_src_unpack() {
-	# Check NPTL support _before_ we unpack things to save some time
-	want_nptl && check_nptl_support
-
-	unpack_pkg
-
-	cd "${S}"
-	touch locale/C-translit.h #185476 #218003
-	[[ -n ${LT_VER}     ]] && unpack_pkg linuxthreads ${LT_VER}
-	[[ -n ${PORTS_VER}  ]] && unpack_pkg ports ${PORTS_VER}
-	[[ -n ${LIBIDN_VER} ]] && unpack_pkg libidn
-
-	if [[ -n ${PATCH_VER} ]] ; then
-		cd "${WORKDIR}"
-		unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.bz2
-		# pull out all the addons
-		local d
-		for d in extra/*/configure ; do
-			d=${d%/configure}
-			[[ -d ${S}/${d} ]] && die "${d} already exists in \${S}"
-			mv "${d}" "${S}" || die "moving ${d} failed"
-		done
-	fi
-}
-
-toolchain-glibc_src_unpack() {
-	setup_env
-
-	toolchain-glibc_do_src_unpack
-	[[ ${EAPI:-0} == [01] ]] && cd "${S}" && toolchain-glibc_src_prepare
-}
-
-toolchain-glibc_src_prepare() {
-	# tag, glibc is it
-	if ! version_is_at_least 2.17 ; then
-		[[ -e csu/Banner ]] && die "need new banner location"
-		glibc_banner > csu/Banner
-	fi
-	if [[ -n ${PATCH_VER} ]] && ! use vanilla ; then
-		EPATCH_MULTI_MSG="Applying Gentoo Glibc Patchset ${RELEASE_VER}-${PATCH_VER} ..." \
-		EPATCH_EXCLUDE=${GLIBC_PATCH_EXCLUDE} \
-		EPATCH_SUFFIX="patch" \
-		ARCH=$(tc-arch) \
-		epatch "${WORKDIR}"/patches
-	fi
-
-	if just_headers ; then
-		if [[ -e ports/sysdeps/mips/preconfigure ]] ; then
-			# mips peeps like to screw with us.  if building headers,
-			# we don't have a real compiler, so we can't let them
-			# insert -mabi on us.
-			sed -i '/CPPFLAGS=.*-mabi/s|.*|:|' ports/sysdeps/mips/preconfigure || die
-			find ports/sysdeps/mips/ -name Makefile -exec sed -i '/^CC.*-mabi=/s:-mabi=.*:-D_MIPS_SZPTR=32:' {} +
-		fi
-	fi
-
-	epatch_user
-
-	gnuconfig_update
-
-	# Glibc is stupid sometimes, and doesn't realize that with a
-	# static C-Only gcc, -lgcc_eh doesn't exist.
-	# https://sourceware.org/ml/libc-alpha/2003-09/msg00100.html
-	# https://sourceware.org/ml/libc-alpha/2005-02/msg00042.html
-	# But! Finally fixed in recent versions:
-	# https://sourceware.org/ml/libc-alpha/2012-05/msg01865.html
-	if ! version_is_at_least 2.16 ; then
-		echo 'int main(){}' > "${T}"/gcc_eh_test.c
-		if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/gcc_eh_test.c -lgcc_eh 2>/dev/null ; then
-			sed -i -e 's:-lgcc_eh::' Makeconfig || die "sed gcc_eh"
-		fi
-	fi
-
-	cd "${WORKDIR}"
-	find . -type f '(' -size 0 -o -name "*.orig" ')' -delete
-	find . -name configure -exec touch {} +
-
-	eprefixify extra/locale/locale-gen
-
-	# Fix permissions on some of the scripts.
-	chmod u+x "${S}"/scripts/*.sh
-}
-dump_toolchain_settings() {
-	echo
-
-	einfo "$*"
-
-	local v
-	for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC LD {AS,C,CPP,CXX,LD}FLAGS ; do
-		einfo " $(printf '%15s' ${v}:)   ${!v}"
-	done
-
-	# The glibc configure script doesn't properly use LDFLAGS all the time.
-	export CC="$(tc-getCC ${CTARGET}) ${LDFLAGS}"
-	einfo " $(printf '%15s' 'Manual CC:')   ${CC}"
-	echo
-}
-
-glibc_do_configure() {
-	# Glibc does not work with gold (for various reasons) #269274.
-	tc-ld-disable-gold
-
-	dump_toolchain_settings "Configuring glibc for $1"
-
-	local myconf=()
-
-	# set addons
-	pushd "${S}" > /dev/null
-	local addons=$(echo */configure | sed \
-		-e 's:/configure::g' \
-		-e 's:\(linuxthreads\|nptl\|rtkaio\|glibc-compat\)\( \|$\)::g' \
-		-e 's: \+$::' \
-		-e 's! !,!g' \
-		-e 's!^!,!' \
-		-e '/^,\*$/d')
-	[[ -d ports ]] && addons+=",ports"
-	popd > /dev/null
-
-	if has_version '<sys-libs/glibc-2.13' ; then
-		myconf+=( --enable-old-ssp-compat )
-	fi
-
-	if version_is_at_least 2.25 ; then
-		case ${CTARGET} in
-			m68k*)
-				# setjmp() is not compatible with stack protection:
-				# https://sourceware.org/PR24202
-				myconf+=( --enable-stack-protector=no )
-				;;
-			mips*)
-				# dlopen() detects stack smash on mips n32 ABI.
-				# Cause is unknown: https://bugs.gentoo.org/640130
-				myconf+=( --enable-stack-protector=no )
-				;;
-			powerpc-*)
-				# Currently gcc on powerpc32 generates invalid code for
-				# __builtin_return_address(0) calls. Normally programs
-				# don't do that but malloc hooks in glibc do:
-				# https://gcc.gnu.org/PR81996
-				# https://bugs.gentoo.org/629054
-				myconf+=( --enable-stack-protector=no )
-				;;
-			*)
-				myconf+=( --enable-stack-protector=all )
-				;;
-		esac
-	fi
-
-	# Keep a whitelist of targets supporing IFUNC. glibc's ./configure
-	# is not robust enough to detect proper support:
-	#    https://bugs.gentoo.org/641216
-	#    https://sourceware.org/PR22634#c0
-	case $(tc-arch ${CTARGET}) in
-		# Keep whitelist of targets where autodetection mostly works.
-		amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;;
-		# Blacklist everywhere else
-		*) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;;
-	esac
-
-	if version_is_at_least 2.25 ; then
-		myconf+=( --enable-stackguard-randomization )
-	else
-		myconf+=( $(use_enable hardened stackguard-randomization) )
-	fi
-
-	[[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp )
-
-	if [[ $1 == "linuxthreads" ]] ; then
-		if want_tls ; then
-			myconf+=( --with-tls )
-
-			if ! want__thread || use glibc-compat20 || [[ ${LT_KER_VER} == 2.[02].* ]] ; then
-				myconf+=( --without-__thread )
-			else
-				myconf+=( --with-__thread )
-			fi
-		else
-			myconf+=( --without-tls --without-__thread )
-		fi
-
-		myconf+=( --disable-sanity-checks )
-		addons="linuxthreads${addons}"
-		myconf+=( --enable-kernel=${LT_KER_VER} )
-	elif [[ $1 == "nptl" ]] ; then
-		# Newer versions require nptl, so there is no addon for it.
-		version_is_at_least 2.20 || addons="nptl${addons}"
-		myconf+=( --enable-kernel=${NPTL_KERN_VER} )
-	else
-		die "invalid pthread option"
-	fi
-	myconf+=( --enable-add-ons="${addons#,}" )
-
-	# Since SELinux support is only required for nscd, only enable it if:
-	# 1. USE selinux
-	# 2. only for the primary ABI on multilib systems
-	# 3. Not a crosscompile
-	if ! is_crosscompile && use selinux ; then
-		if use multilib ; then
-			if is_final_abi ; then
-				myconf+=( --with-selinux )
-			else
-				myconf+=( --without-selinux )
-			fi
-		else
-			myconf+=( --with-selinux )
-		fi
-	else
-		myconf+=( --without-selinux )
-	fi
-
-	# Force a few tests where we always know the answer but
-	# configure is incapable of finding it.
-	if is_crosscompile ; then
-		export \
-			libc_cv_c_cleanup=yes \
-			libc_cv_forced_unwind=yes
-	fi
-
-	myconf+=(
-		--without-cvs
-		--disable-werror
-		--enable-bind-now
-		--build=${CBUILD_OPT:-${CBUILD}}
-		--host=${CTARGET_OPT:-${CTARGET}}
-		$(use_enable profile)
-		$(use_with gd)
-		--with-headers=$(alt_build_headers)
-		--prefix="${EPREFIX}/usr"
-		--sysconfdir="${EPREFIX}/etc"
-		--localstatedir="${EPREFIX}/var"
-		--libdir='$(prefix)'/$(get_libdir)
-		--mandir='$(prefix)'/share/man
-		--infodir='$(prefix)'/share/info
-		--libexecdir='$(libdir)'/misc/glibc
-		--with-bugurl=http://bugs.gentoo.org/
-		--with-pkgversion="$(glibc_banner)"
-		$(use_multiarch || echo --disable-multi-arch)
-		$(in_iuse rpc && use_enable rpc obsolete-rpc || echo --enable-obsolete-rpc)
-		$(in_iuse systemtap && use_enable systemtap)
-		$(in_iuse nscd && use_enable nscd)
-		${EXTRA_ECONF}
-	)
-
-	# We rely on sys-libs/timezone-data for timezone tools normally.
-	if version_is_at_least 2.23 ; then
-		myconf+=( $(use_enable vanilla timezone-tools) )
-	fi
-
-	# These libs don't have configure flags.
-	ac_cv_lib_audit_audit_log_user_avc_message=$(in_iuse audit && usex audit || echo no)
-	ac_cv_lib_cap_cap_init=$(in_iuse caps && usex caps || echo no)
-
-	# There is no configure option for this and we need to export it
-	# since the glibc build will re-run configure on itself
-	export libc_cv_rootsbindir="${EPREFIX}/sbin"
-	export libc_cv_slibdir="${EPREFIX}/$(get_libdir)"
-
-	# We take care of patching our binutils to use both hash styles,
-	# and many people like to force gnu hash style only, so disable
-	# this overriding check.  #347761
-	export libc_cv_hashstyle=no
-
-	# Overtime, generating info pages can be painful.  So disable this for
-	# versions older than the latest stable to avoid the issue (this ver
-	# should be updated from time to time).  #464394 #465816
-	if ! version_is_at_least 2.17 ; then
-		export ac_cv_prog_MAKEINFO=:
-	fi
-
-	local builddir=$(builddir "$1")
-	mkdir -p "${builddir}"
-	cd "${builddir}"
-	set -- "${S}"/configure "${myconf[@]}"
-	echo "$@"
-	"$@" || die "failed to configure glibc"
-
-	# ia64 static cross-compilers are a pita in so much that they
-	# can't produce static ELFs (as the libgcc.a is broken).  so
-	# disable building of the programs for those targets if it
-	# doesn't work.
-	# XXX: We could turn this into a compiler test, but ia64 is
-	# the only one that matters, so this should be fine for now.
-	if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then
-		sed -i '1i+link-static = touch $@' config.make
-	fi
-
-	# If we're trying to migrate between ABI sets, we need
-	# to lie and use a local copy of gcc.  Like if the system
-	# is built with MULTILIB_ABIS="amd64 x86" but we want to
-	# add x32 to it, gcc/glibc don't yet support x32.
-	if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib ; then
-		echo 'main(){}' > "${T}"/test.c
-		if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then
-			sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die
-			mkdir -p sunrpc
-			cp $(which rpcgen) sunrpc/cross-rpcgen || die
-			touch -t 202001010101 sunrpc/cross-rpcgen || die
-		fi
-	fi
-}
-
-toolchain-glibc_headers_configure() {
-	export ABI=default
-
-	local builddir=$(builddir "headers")
-	mkdir -p "${builddir}"
-	cd "${builddir}"
-
-	# if we don't have a compiler yet, we can't really test it now ...
-	# hopefully they don't affect header generation, so let's hope for
-	# the best here ...
-	local v vars=(
-		ac_cv_header_cpuid_h=yes
-		libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes
-		libc_cv_asm_cfi_directives=yes
-		libc_cv_broken_visibility_attribute=no
-		libc_cv_c_cleanup=yes
-		libc_cv_forced_unwind=yes
-		libc_cv_gcc___thread=yes
-		libc_cv_mlong_double_128=yes
-		libc_cv_mlong_double_128ibm=yes
-		libc_cv_ppc_machine=yes
-		libc_cv_ppc_rel16=yes
-		libc_cv_predef_fortify_source=no
-		libc_cv_visibility_attribute=yes
-		libc_cv_z_combreloc=yes
-		libc_cv_z_execstack=yes
-		libc_cv_z_initfirst=yes
-		libc_cv_z_nodelete=yes
-		libc_cv_z_nodlopen=yes
-		libc_cv_z_relro=yes
-		libc_mips_abi=${ABI}
-		libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
-		# These libs don't have configure flags.
-		ac_cv_lib_audit_audit_log_user_avc_message=no
-		ac_cv_lib_cap_cap_init=no
-	)
-	if ! version_is_at_least 2.25 ; then
-		vars+=(
-			libc_cv_predef_stack_protector=no
-		)
-	fi
-	einfo "Forcing cached settings:"
-	for v in "${vars[@]}" ; do
-		einfo " ${v}"
-		export ${v}
-	done
-
-	# Blow away some random CC settings that screw things up. #550192
-	if [[ -d ${S}/sysdeps/mips ]]; then
-		pushd "${S}"/sysdeps/mips >/dev/null
-		sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die
-		sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die
-		if version_is_at_least 2.21 ; then
-			# Force the mips ABI to the default.  This is OK because the set of
-			# installed headers in this phase is the same between the 3 ABIs.
-			# If this ever changes, this hack will break, but that's unlikely
-			# as glibc discourages that behavior.
-			# https://crbug.com/647033
-			sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die
-		fi
-		popd >/dev/null
-	fi
-
-	local myconf=()
-	myconf+=(
-		--disable-sanity-checks
-		--enable-hacker-mode
-		--without-cvs
-		--disable-werror
-		--enable-bind-now
-		--build=${CBUILD_OPT:-${CBUILD}}
-		--host=${CTARGET_OPT:-${CTARGET}}
-		--with-headers=$(alt_build_headers)
-		--prefix="${EPREFIX}/usr"
-		${EXTRA_ECONF}
-	)
-
-	local addons
-	[[ -d ${S}/ports ]] && addons+=",ports"
-	# Newer versions require nptl, so there is no addon for it.
-	version_is_at_least 2.20 || addons+=",nptl"
-	myconf+=( --enable-add-ons="${addons#,}" )
-
-	# Nothing is compiled here which would affect the headers for the target.
-	# So forcing CC/CFLAGS is sane.
-	set -- "${S}"/configure "${myconf[@]}"
-	echo "$@"
-	CC="$(tc-getBUILD_CC)" \
-	CFLAGS="-O1 -pipe" \
-	CPPFLAGS="-U_FORTIFY_SOURCE" \
-	LDFLAGS="" \
-	"$@" || die "failed to configure glibc"
-}
-
-toolchain-glibc_do_src_configure() {
-	if just_headers ; then
-		toolchain-glibc_headers_configure
-	else
-		want_linuxthreads && glibc_do_configure linuxthreads
-		want_nptl && glibc_do_configure nptl
-	fi
-}
-
-toolchain-glibc_src_configure() {
-	foreach_abi toolchain-glibc_do_src_configure
-}
-
-toolchain-glibc_do_src_compile() {
-	local t
-	for t in linuxthreads nptl ; do
-		if want_${t} ; then
-			[[ ${EAPI:-0} == [01] ]] && glibc_do_configure ${t}
-			emake -C "$(builddir ${t})" || die "make ${t} for ${ABI} failed"
-		fi
-	done
-}
-
-toolchain-glibc_src_compile() {
-	if just_headers ; then
-		[[ ${EAPI:-0} == [01] ]] && toolchain-glibc_headers_configure
-		return
-	fi
-
-	foreach_abi toolchain-glibc_do_src_compile
-}
-
-glibc_src_test() {
-	cd "$(builddir $1)"
-	nonfatal emake -j1 check && return 0
-	einfo "make check failed - re-running with --keep-going to get the rest of the results"
-	nonfatal emake -j1 -k check
-	ewarn "make check failed for ${ABI}-${CTARGET}-$1"
-	return 1
-}
-
-toolchain-glibc_do_src_test() {
-	local ret=0 t
-	for t in linuxthreads nptl ; do
-		if want_${t} ; then
-			glibc_src_test ${t}
-			: $(( ret |= $? ))
-		fi
-	done
-	return ${ret}
-}
-
-toolchain-glibc_src_test() {
-	# Give tests more time to complete.
-	export TIMEOUTFACTOR=5
-
-	foreach_abi toolchain-glibc_do_src_test || die "tests failed"
-}
-
-toolchain-glibc_do_src_install() {
-	local builddir=$(builddir $(want_linuxthreads && echo linuxthreads || echo nptl))
-	cd "${builddir}"
-
-	emake install_root="${D}$(alt_prefix)" install || die
-
-	if want_linuxthreads && want_nptl ; then
-		einfo "Installing NPTL to $(alt_libdir)/tls/..."
-		cd "$(builddir nptl)"
-		dodir $(alt_libdir)/tls $(alt_usrlibdir)/nptl
-
-		local l src_lib
-		for l in libc libm librt libpthread libthread_db ; do
-			# take care of shared lib first ...
-			l=${l}.so
-			if [[ -e ${l} ]] ; then
-				src_lib=${l}
-			else
-				src_lib=$(eval echo */${l})
-			fi
-			cp -a ${src_lib} "${ED}"$(alt_libdir)/tls/${l} || die "copying nptl ${l}"
-			fperms a+rx $(alt_libdir)/tls/${l}
-			dosym ${l} $(alt_libdir)/tls/$(scanelf -qSF'%S#F' ${src_lib})
-
-			# then grab the linker script or the symlink ...
-			if [[ -L ${ED}$(alt_usrlibdir)/${l} ]] ; then
-				dosym $(alt_libdir)/tls/${l} $(alt_usrlibdir)/nptl/${l}
-			else
-				sed \
-					-e "s:/${l}:/tls/${l}:g" \
-					-e "s:/${l/%.so/_nonshared.a}:/nptl/${l/%.so/_nonshared.a}:g" \
-					"${ED}"$(alt_usrlibdir)/${l} > "${ED}"$(alt_usrlibdir)/nptl/${l}
-			fi
-
-			# then grab the static lib ...
-			src_lib=${src_lib/%.so/.a}
-			[[ ! -e ${src_lib} ]] && src_lib=${src_lib/%.a/_pic.a}
-			cp -a ${src_lib} "${ED}"$(alt_usrlibdir)/nptl/ || die "copying nptl ${src_lib}"
-			src_lib=${src_lib/%.a/_nonshared.a}
-			if [[ -e ${src_lib} ]] ; then
-				cp -a ${src_lib} "${ED}"$(alt_usrlibdir)/nptl/ || die "copying nptl ${src_lib}"
-			fi
-		done
-
-		# use the nptl linker instead of the linuxthreads one as the linuxthreads
-		# one may lack TLS support and that can be really bad for business
-		cp -a elf/ld.so "${ED}"$(alt_libdir)/$(scanelf -qSF'%S#F' elf/ld.so) || die "copying nptl interp"
-	fi
-
-	# Normally real_pv is ${PV}. Live ebuilds are exception, there we need
-	# to infer upstream version:
-	# '#define VERSION "2.26.90"' -> '2.26.90'
-	local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h)
-	# Newer versions get fancy with libm linkage to include vectorized support.
-	# While we don't really need a ldscript here, portage QA checks get upset.
-	if [[ -e ${ED}$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then
-		dosym ../../$(get_libdir)/libm-${upstream_pv}.so $(alt_usrlibdir)/libm-${upstream_pv}.so
-	fi
-
-	# We'll take care of the cache ourselves
-	rm -f "${ED}"/etc/ld.so.cache
-
-	# Everything past this point just needs to be done once ...
-	is_final_abi || return 0
-
-	# Make sure the non-native interp can be found on multilib systems even
-	# if the main library set isn't installed into the right place.  Maybe
-	# we should query the active gcc for info instead of hardcoding it ?
-	local i ldso_abi ldso_name
-	local ldso_abi_list=(
-		# x86
-		amd64   /lib64/ld-linux-x86-64.so.2
-		x32     /libx32/ld-linux-x32.so.2
-		x86     /lib/ld-linux.so.2
-		# mips
-		o32     /lib/ld.so.1
-		n32     /lib32/ld.so.1
-		n64     /lib64/ld.so.1
-		# powerpc
-		ppc     /lib/ld.so.1
-		# s390
-		s390    /lib/ld.so.1
-		s390x   /lib/ld64.so.1
-		# sparc
-		sparc32 /lib/ld-linux.so.2
-		sparc64 /lib64/ld-linux.so.2
-	)
-	case $(tc-endian) in
-	little)
-		ldso_abi_list+=(
-			# arm
-			arm64   /lib/ld-linux-aarch64.so.1
-			# ELFv2 (glibc does not support ELFv1 on LE)
-			ppc64   /lib64/ld64.so.2
-		)
-		;;
-	big)
-		ldso_abi_list+=(
-			# arm
-			arm64   /lib/ld-linux-aarch64_be.so.1
-			# ELFv1 (glibc does not support ELFv2 on BE)
-			ppc64   /lib64/ld64.so.1
-		)
-		;;
-	esac
-	if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then
-		dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib
-	fi
-	for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do
-		ldso_abi=${ldso_abi_list[i]}
-		has ${ldso_abi} $(get_install_abis) || continue
-
-		ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}"
-		if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then
-			dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name}
-		fi
-	done
-
-	# With devpts under Linux mounted properly, we do not need the pt_chown
-	# binary to be setuid.  This is because the default owners/perms will be
-	# exactly what we want.
-	if in_iuse suid && ! use suid ; then
-		find "${ED}" -name pt_chown -exec chmod -s {} +
-	fi
-
-	#################################################################
-	# EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY #
-	# Make sure we install some symlink hacks so that when we build
-	# a 2nd stage cross-compiler, gcc finds the target system
-	# headers correctly.  See gcc/doc/gccinstall.info
-	if is_crosscompile ; then
-		# We need to make sure that /lib and /usr/lib always exists.
-		# gcc likes to use relative paths to get to its multilibs like
-		# /usr/lib/../lib64/.  So while we don't install any files into
-		# /usr/lib/, we do need it to exist.
-		cd "${ED}"$(alt_libdir)/..
-		[[ -e lib ]] || mkdir lib
-		cd "${ED}"$(alt_usrlibdir)/..
-		[[ -e lib ]] || mkdir lib
-
-		dosym usr/include $(alt_prefix)/sys-include
-		return 0
-	fi
-
-	# Files for Debian-style locale updating
-	dodir /usr/share/i18n
-	sed \
-		-e "/^#/d" \
-		-e "/SUPPORTED-LOCALES=/d" \
-		-e "s: \\\\::g" -e "s:/: :g" \
-		"${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \
-		|| die "generating /usr/share/i18n/SUPPORTED failed"
-	cd "${WORKDIR}"/extra/locale
-	dosbin locale-gen || die
-	doman *.[0-8]
-	insinto /etc
-	doins locale.gen || die
-
-	# Make sure all the ABI's can find the locales and so we only
-	# have to generate one set
-	local a
-	keepdir /usr/$(get_libdir)/locale
-	for a in $(get_install_abis) ; do
-		if [[ ! -e ${ED}/usr/$(get_abi_LIBDIR ${a})/locale ]] ; then
-			dosym /usr/$(get_libdir)/locale /usr/$(get_abi_LIBDIR ${a})/locale
-		fi
-	done
-
-	cd "${S}"
-
-	# Install misc network config files
-	insinto /etc
-	doins nscd/nscd.conf posix/gai.conf nss/nsswitch.conf || die
-	doins "${WORKDIR}"/extra/etc/*.conf || die
-
-	if ! in_iuse nscd || use nscd ; then
-		doinitd "$(prefixify_ro "${WORKDIR}"/extra/etc/nscd)" || die
-
-		local nscd_args=(
-			-e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):"
-		)
-		version_is_at_least 2.16 || nscd_args+=( -e 's: --foreground : :' )
-		sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd
-
-		# Newer versions of glibc include the nscd.service themselves.
-		# TODO: Drop the $FILESDIR copy once 2.19 goes stable.
-		if version_is_at_least 2.19 ; then
-			systemd_dounit nscd/nscd.service || die
-			newtmpfiles nscd/nscd.tmpfiles nscd.conf || die
-		else
-			systemd_dounit "${FILESDIR}"/nscd.service || die
-			newtmpfiles "${FILESDIR}"/nscd.tmpfilesd nscd.conf || die
-		fi
-	else
-		# Do this since extra/etc/*.conf above might have nscd.conf.
-		rm -f "${ED}"/etc/nscd.conf
-	fi
-
-	echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc
-	doenvd "${T}"/00glibc || die
-
-	for d in BUGS ChangeLog* CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do
-		[[ -s ${d} ]] && dodoc ${d}
-	done
-
-	# Prevent overwriting of the /etc/localtime symlink.  We'll handle the
-	# creation of the "factory" symlink in pkg_postinst().
-	rm -f "${ED}"/etc/localtime
-}
-
-toolchain-glibc_headers_install() {
-	local builddir=$(builddir "headers")
-	cd "${builddir}"
-	emake install_root="${D}$(alt_prefix)" install-headers || die
-	if ! version_is_at_least 2.16 ; then
-		insinto $(alt_headers)/bits
-		doins bits/stdio_lim.h || die
-	fi
-	insinto $(alt_headers)/gnu
-	doins "${S}"/include/gnu/stubs.h || die "doins include gnu"
-	# Make sure we install the sys-include symlink so that when
-	# we build a 2nd stage cross-compiler, gcc finds the target
-	# system headers correctly.  See gcc/doc/gccinstall.info
-	dosym usr/include $(alt_prefix)/sys-include
-}
-
-toolchain-glibc_src_install() {
-	if just_headers ; then
-		export ABI=default
-		toolchain-glibc_headers_install
-		return
-	fi
-
-	foreach_abi toolchain-glibc_do_src_install
-}
-
-# Simple test to make sure our new glibc isn't completely broken.
-# Make sure we don't test with statically built binaries since
-# they will fail.  Also, skip if this glibc is a cross compiler.
-#
-# If coreutils is built with USE=multicall, some of these files
-# will just be wrapper scripts, not actual ELFs we can test.
-glibc_sanity_check() {
-	cd / #228809
-
-	# We enter ${ED} so to avoid trouble if the path contains
-	# special characters; for instance if the path contains the
-	# colon character (:), then the linker will try to split it
-	# and look for the libraries in an unexpected place. This can
-	# lead to unsafe code execution if the generated prefix is
-	# within a world-writable directory.
-	# (e.g. /var/tmp/portage:${HOSTNAME})
-	pushd "${ED}"/$(get_libdir) >/dev/null
-
-	local x striptest
-	for x in cal date env free ls true uname uptime ; do
-		x=$(type -p ${x})
-		[[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue
-		striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue
-		case ${striptest} in
-		*"statically linked"*) continue;;
-		*"ASCII text"*) continue;;
-		esac
-		# We need to clear the locale settings as the upgrade might want
-		# incompatible locale data.  This test is not for verifying that.
-		LC_ALL=C \
-		./ld-*.so --library-path . ${x} > /dev/null \
-			|| die "simple run test (${x}) failed"
-	done
-
-	popd >/dev/null
-}
-
-toolchain-glibc_pkg_preinst() {
-	# nothing to do if just installing headers
-	just_headers && return
-
-	# prepare /etc/ld.so.conf.d/ for files
-	mkdir -p "${EROOT}"/etc/ld.so.conf.d
-
-	# Default /etc/hosts.conf:multi to on for systems with small dbs.
-	if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then
-		sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf
-		elog "Defaulting /etc/host.conf:multi to on"
-	fi
-
-	[[ ${ROOT} != "/" ]] && return 0
-	[[ -d ${ED}/$(get_libdir) ]] || return 0
-	[[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check
-
-	# For newer EAPIs, this was run in pkg_pretend.
-	if [[ ${EAPI:-0} == [0123] ]] ; then
-		check_devpts
-	fi
-}
-
-toolchain-glibc_pkg_postinst() {
-	# nothing to do if just installing headers
-	just_headers && return
-
-	if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then
-		# Generate fastloading iconv module configuration file.
-		"${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}"
-	fi
-
-	if ! is_crosscompile && [[ ${ROOT} == "/" ]] ; then
-		# Reload init ... if in a chroot or a diff init package, ignore
-		# errors from this step #253697
-		/sbin/telinit U 2>/dev/null
-
-		# if the host locales.gen contains no entries, we'll install everything
-		local locale_list="${EROOT}etc/locale.gen"
-		if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then
-			ewarn "Generating all locales; edit /etc/locale.gen to save time/space"
-			locale_list="${EROOT}usr/share/i18n/SUPPORTED"
-		fi
-		locale-gen -j $(makeopts_jobs) --config "${locale_list}"
-	fi
-}
-
-_TOOLCHAIN_GLIBC_ECLASS=1
-fi