[gentoo-dev] [PATCH] sys-libs/glibc: Convert from eblits to eclass, #586422

[Michał Górny]

//
note: i'm in process of testing [building binpkgs] of all glibc versions
to confirm i didn't accidentally break anything. -9999 fails in compile
phase both before and after the change.

---
 eclass/toolchain-glibc.eclass                   | 1404 +++++++++++++++++++++++
 sys-libs/glibc/files/eblits/common.eblit        |  380 ------
 sys-libs/glibc/files/eblits/pkg_postinst.eblit  |   26 -
 sys-libs/glibc/files/eblits/pkg_preinst.eblit   |   62 -
 sys-libs/glibc/files/eblits/pkg_pretend.eblit   |  158 ---
 sys-libs/glibc/files/eblits/pkg_setup.eblit     |    8 -
 sys-libs/glibc/files/eblits/src_compile.eblit   |   23 -
 sys-libs/glibc/files/eblits/src_configure.eblit |  281 -----
 sys-libs/glibc/files/eblits/src_install.eblit   |  249 ----
 sys-libs/glibc/files/eblits/src_prepare.eblit   |   64 --
 sys-libs/glibc/files/eblits/src_test.eblit      |   29 -
 sys-libs/glibc/files/eblits/src_unpack.eblit    |  120 --
 sys-libs/glibc/glibc-2.17.ebuild                |   61 +-
 sys-libs/glibc/glibc-2.18-r1.ebuild             |   61 +-
 sys-libs/glibc/glibc-2.19-r1.ebuild             |   60 +-
 sys-libs/glibc/glibc-2.20-r2.ebuild             |   59 +-
 sys-libs/glibc/glibc-2.21-r2.ebuild             |   59 +-
 sys-libs/glibc/glibc-2.22-r4.ebuild             |   61 +-
 sys-libs/glibc/glibc-2.23-r3.ebuild             |   59 +-
 sys-libs/glibc/glibc-2.24-r1.ebuild             |   59 +-
 sys-libs/glibc/glibc-2.25.ebuild                |   59 +-
 sys-libs/glibc/glibc-9999.ebuild                |   59 +-
 22 files changed, 1467 insertions(+), 1934 deletions(-)
 create mode 100644 eclass/toolchain-glibc.eclass
 delete mode 100644 sys-libs/glibc/files/eblits/common.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/pkg_postinst.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/pkg_preinst.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/pkg_pretend.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/pkg_setup.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_compile.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_configure.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_install.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_prepare.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_test.eblit
 delete mode 100644 sys-libs/glibc/files/eblits/src_unpack.eblit

diff --git a/eclass/toolchain-glibc.eclass b/eclass/toolchain-glibc.eclass
new file mode 100644
index 000000000000..d410775759df
--- /dev/null
+++ b/eclass/toolchain-glibc.eclass
@@ -0,0 +1,1404 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: toolchain-glibc.eclass
+# @MAINTAINER:
+# <toolchain@g.o>
+# @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
+
+inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig \
+	multilib systemd unpacker multiprocessing prefix
+
+case ${EAPI:-0} in
+	0|1|2|3) EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_test \
+		src_install pkg_preinst pkg_postinst;;
+	2|3) EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure \
+		src_compile src_test src_install pkg_preinst pkg_postinst;;
+	4|5|6) EXPORT_FUNCTIONS pkg_pretend pkg_setup src_unpack src_prepare \
+		src_configure src_compile src_test src_install \
+		pkg_preinst pkg_postinst;;
+	*) die "Unsupported EAPI=${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
+		;;
+		ppc)
+			append-flags "-freorder-blocks"
+		;;
+		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=${ASFLAGS_BASE}
+
+	# Over-zealous CFLAGS can often cause problems.  What may work for one
+	# person may not work for another.  To avoid a large influx of bugs
+	# relating to failed builds, we strip most CFLAGS out to ensure as few
+	# problems as possible.
+	strip-flags
+	strip-unsupported-flags
+	filter-flags -m32 -m64 -mabi=*
+
+	# Bug 492892.
+	filter-flags -frecord-gcc-switches
+
+	unset CBUILD_OPT CTARGET_OPT
+	if use multilib ; then
+		CTARGET_OPT=$(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 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*
+	gcc-specs-ssp && append-flags $(test-flags -fno-stack-protector)
+
+	if use hardened && gcc-specs-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
+}
+
+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 -- cant 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}}
+	fi
+
+	setup_flags
+
+	export ABI=${ABI:-${DEFAULT_ABI:-default}}
+
+	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} ${!VAR}"
+}
+
+foreach_abi() {
+	setup_env
+
+	local ret=0
+	local abilist=""
+	if use multilib ; then
+		abilist=$(get_install_abis)
+	else
+		abilist=${DEFAULT_ABI}
+	fi
+	evar_push ABI
+	export ABI
+	for ABI in ${abilist:-default} ; do
+		setup_env
+		einfo "Running $1 for ABI ${ABI}"
+		$1
+		: $(( ret |= $? ))
+	done
+	evar_pop
+	return ${ret}
+}
+
+just_headers() {
+	is_crosscompile && use crosscompile_opts_headers-only
+}
+
+glibc_banner() {
+	local b="Gentoo ${PVR}"
+	[[ -n ${SNAP_VER} ]] && b+=" snapshot ${SNAP_VER}"
+	[[ -n ${BRANCH_UPDATE} ]] && b+=" branch ${BRANCH_UPDATE}"
+	[[ -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() {
+	# 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"
+			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
+
+	use hardened && ! gcc-specs-pie && \
+		ewarn "PIE hardening not applied, as your compiler doesn't default to PIE"
+
+	# 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
+}
+
+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() {
+	[[ $(KV_to_int $1) -ge $(KV_to_int $2) ]]
+	eend $?
+}
+
+get_kheader_version() {
+	printf '#include <linux/version.h>\nLINUX_VERSION_CODE\n' | \
+	$(tc-getCPP ${CTARGET}) -I "${EPREFIX}/$(alt_build_headers)" - | \
+	tail -n 1
+}
+
+check_nptl_support() {
+	# don't care about the compiler here as we arent using it
+	just_headers && return
+
+	local run_kv build_kv want_kv
+	run_kv=$(int_to_KV $(get_KV))
+	build_kv=$(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
+
+	if [[ -n ${EGIT_REPO_URIS} ]] ; then
+		local i d
+		for ((i=0; i<${#EGIT_REPO_URIS[@]}; ++i)) ; do
+			EGIT_REPO_URI=${EGIT_REPO_URIS[$i]}
+			EGIT_SOURCEDIR=${EGIT_SOURCEDIRS[$i]}
+			git-2_src_unpack
+		done
+	else
+		unpack_pkg
+	fi
+
+	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() {
+	# XXX: We should do the branchupdate, before extracting the manpages and
+	# infopages else it does not help much (mtimes change if there is a change
+	# to them with branchupdate)
+	if [[ -n ${BRANCH_UPDATE} ]] ; then
+		epatch "${DISTDIR}"/glibc-${RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2
+
+		# Snapshot date patch
+		einfo "Patching version to display snapshot date ..."
+		sed -i -e "s:\(#define RELEASE\).*:\1 \"${BRANCH_UPDATE}\":" version.h
+	fi
+
+	# 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
+
+	myconf+=( $(use_enable hardened stackguard-randomization) )
+	if has_version '<sys-libs/glibc-2.13' ; then
+		myconf+=( --enable-old-ssp-compat )
+	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 cant really test it now ...
+	# hopefully they don't affect header geneation, 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,stack_protector}=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=${ABI}
+		libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
+		# These libs don't have configure flags.
+		ac_cv_lib_audit_audit_log_user_avc_message=no
+		ac_cv_lib_cap_cap_init=no
+	)
+	einfo "Forcing cached settings:"
+	for v in "${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
+
+	# 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-${PV}.a ]] ; then
+		dosym ../../$(get_libdir)/libm-${PV}.so $(alt_usrlibdir)/libm-${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
+		ppc64   /lib64/ld64.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
+		)
+		;;
+	big)
+		ldso_abi_list+=(
+			# arm
+			arm64   /lib/ld-linux-aarch64_be.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 "${WORKDIR}"/extra/etc/*.conf || die
+
+	if ! in_iuse nscd || use nscd ; then
+		doinitd "${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 $FILESDIR copy once 2.19 goes stable.
+		if version_is_at_least 2.19 ; then
+			systemd_dounit nscd/nscd.service || die
+			systemd_newtmpfilesd nscd/nscd.tmpfiles nscd.conf || die
+		else
+			systemd_dounit "${FILESDIR}"/nscd.service || die
+			systemd_newtmpfilesd "${FILESDIR}"/nscd.tmpfilesd nscd.conf || die
+		fi
+	else
+		# Do this since extra/etc/*.conf above might have nscd.conf.
+		rm -f "${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 $(alt_prefix)/sys-include
+}
+
+src_strip() {
+	# gdb is lame and requires some debugging information to remain in
+	# libpthread, so we need to strip it by hand.  libthread_db makes no
+	# sense stripped as it is only used when debugging.
+	local pthread=$(has splitdebug ${FEATURES} && echo "libthread_db" || echo "lib{pthread,thread_db}")
+	env \
+		-uRESTRICT \
+		CHOST=${CTARGET} \
+		STRIP_MASK="/*/{,tls/}${pthread}*" \
+		prepallstrip
+	# if user has stripping enabled and does not have split debug turned on,
+	# then leave the debugging sections in libpthread.
+	if ! has nostrip ${FEATURES} && ! has splitdebug ${FEATURES} ; then
+		${STRIP:-${CTARGET}-strip} --strip-debug "${ED}"/*/libpthread-*.so
+	fi
+}
+
+toolchain-glibc_src_install() {
+	if just_headers ; then
+		export ABI=default
+		toolchain-glibc_headers_install
+		return
+	fi
+
+	foreach_abi toolchain-glibc_do_src_install
+	src_strip
+}
+
+# Simple test to make sure our new glibc isnt 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
diff --git a/sys-libs/glibc/files/eblits/common.eblit b/sys-libs/glibc/files/eblits/common.eblit
deleted file mode 100644
index 53121eff5730..000000000000
--- a/sys-libs/glibc/files/eblits/common.eblit
+++ /dev/null
@@ -1,380 +0,0 @@
-# Copyright 1999-2015 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-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
-		;;
-		ppc)
-			append-flags "-freorder-blocks"
-		;;
-		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=${ASFLAGS_BASE}
-
-	# Over-zealous CFLAGS can often cause problems.  What may work for one
-	# person may not work for another.  To avoid a large influx of bugs
-	# relating to failed builds, we strip most CFLAGS out to ensure as few
-	# problems as possible.
-	strip-flags
-	strip-unsupported-flags
-	filter-flags -m32 -m64 -mabi=*
-
-	# Bug 492892.
-	filter-flags -frecord-gcc-switches
-
-	unset CBUILD_OPT CTARGET_OPT
-	if use multilib ; then
-		CTARGET_OPT=$(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 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*
-	gcc-specs-ssp && append-flags $(test-flags -fno-stack-protector)
-
-	if use hardened && gcc-specs-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
-}
-
-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 -- cant 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}}
-	fi
-
-	setup_flags
-
-	export ABI=${ABI:-${DEFAULT_ABI:-default}}
-
-	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} ${!VAR}"
-}
-
-foreach_abi() {
-	setup_env
-
-	local ret=0
-	local abilist=""
-	if use multilib ; then
-		abilist=$(get_install_abis)
-	else
-		abilist=${DEFAULT_ABI}
-	fi
-	evar_push ABI
-	export ABI
-	for ABI in ${abilist:-default} ; do
-		setup_env
-		einfo "Running $1 for ABI ${ABI}"
-		$1
-		: $(( ret |= $? ))
-	done
-	evar_pop
-	return ${ret}
-}
-
-just_headers() {
-	is_crosscompile && use crosscompile_opts_headers-only
-}
-
-glibc_banner() {
-	local b="Gentoo ${PVR}"
-	[[ -n ${SNAP_VER} ]] && b+=" snapshot ${SNAP_VER}"
-	[[ -n ${BRANCH_UPDATE} ]] && b+=" branch ${BRANCH_UPDATE}"
-	[[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}"
-	echo "${b}"
-}
diff --git a/sys-libs/glibc/files/eblits/pkg_postinst.eblit b/sys-libs/glibc/files/eblits/pkg_postinst.eblit
deleted file mode 100644
index 4887aede7548..000000000000
--- a/sys-libs/glibc/files/eblits/pkg_postinst.eblit
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 1999-2012 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-eblit-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
-}
diff --git a/sys-libs/glibc/files/eblits/pkg_preinst.eblit b/sys-libs/glibc/files/eblits/pkg_preinst.eblit
deleted file mode 100644
index 0a2e84fdc3ce..000000000000
--- a/sys-libs/glibc/files/eblits/pkg_preinst.eblit
+++ /dev/null
@@ -1,62 +0,0 @@
-# Copyright 1999-2017 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-# Simple test to make sure our new glibc isnt 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
-}
-
-eblit-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 [[ ${EAPI:-0} == [0123] ]] ; then
-		check_devpts
-	fi
-}
diff --git a/sys-libs/glibc/files/eblits/pkg_pretend.eblit b/sys-libs/glibc/files/eblits/pkg_pretend.eblit
deleted file mode 100644
index 73a3daa0ad77..000000000000
--- a/sys-libs/glibc/files/eblits/pkg_pretend.eblit
+++ /dev/null
@@ -1,158 +0,0 @@
-# Copyright 1999-2015 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-glibc_compile_test() {
-	local ret save_cflags=${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
-}
-
-eblit-glibc-pkg_pretend() {
-	# 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"
-			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
-
-	use hardened && ! gcc-specs-pie && \
-		ewarn "PIE hardening not applied, as your compiler doesn't default to PIE"
-
-	# 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
-}
diff --git a/sys-libs/glibc/files/eblits/pkg_setup.eblit b/sys-libs/glibc/files/eblits/pkg_setup.eblit
deleted file mode 100644
index e2955a893fe2..000000000000
--- a/sys-libs/glibc/files/eblits/pkg_setup.eblit
+++ /dev/null
@@ -1,8 +0,0 @@
-# Copyright 1999-2015 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-[[ ${EAPI:-0} == [0123] ]] && source "${FILESDIR}/eblits/pkg_pretend.eblit"
-
-eblit-glibc-pkg_setup() {
-	[[ ${EAPI:-0} == [0123] ]] && eblit-glibc-pkg_pretend
-}
diff --git a/sys-libs/glibc/files/eblits/src_compile.eblit b/sys-libs/glibc/files/eblits/src_compile.eblit
deleted file mode 100644
index f145466d7acc..000000000000
--- a/sys-libs/glibc/files/eblits/src_compile.eblit
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 1999-2014 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-[[ ${EAPI:-0} == [01] ]] && source "${FILESDIR}/eblits/src_configure.eblit"
-
-toolchain-glibc_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
-}
-
-eblit-glibc-src_compile() {
-	if just_headers ; then
-		[[ ${EAPI:-0} == [01] ]] && toolchain-glibc_headers_configure
-		return
-	fi
-
-	foreach_abi toolchain-glibc_src_compile
-}
diff --git a/sys-libs/glibc/files/eblits/src_configure.eblit b/sys-libs/glibc/files/eblits/src_configure.eblit
deleted file mode 100644
index eae853f4441b..000000000000
--- a/sys-libs/glibc/files/eblits/src_configure.eblit
+++ /dev/null
@@ -1,281 +0,0 @@
-# Copyright 1999-2015 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-dump_toolchain_settings() {
-	echo
-
-	einfo "$*"
-
-	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
-
-	myconf+=( $(use_enable hardened stackguard-randomization) )
-	if has_version '<sys-libs/glibc-2.13' ; then
-		myconf+=( --enable-old-ssp-compat )
-	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 cant really test it now ...
-	# hopefully they don't affect header geneation, 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,stack_protector}=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=${ABI}
-		libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
-		# These libs don't have configure flags.
-		ac_cv_lib_audit_audit_log_user_avc_message=no
-		ac_cv_lib_cap_cap_init=no
-	)
-	einfo "Forcing cached settings:"
-	for v in "${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="" \
-	"$@" || die "failed to configure glibc"
-}
-
-toolchain-glibc_src_configure() {
-	if just_headers ; then
-		toolchain-glibc_headers_configure
-	else
-		want_linuxthreads && glibc_do_configure linuxthreads
-		want_nptl && glibc_do_configure nptl
-	fi
-}
-
-eblit-glibc-src_configure() {
-	foreach_abi toolchain-glibc_src_configure
-}
diff --git a/sys-libs/glibc/files/eblits/src_install.eblit b/sys-libs/glibc/files/eblits/src_install.eblit
deleted file mode 100644
index 7d6fb7f43930..000000000000
--- a/sys-libs/glibc/files/eblits/src_install.eblit
+++ /dev/null
@@ -1,249 +0,0 @@
-# Copyright 1999-2014 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-toolchain-glibc_src_install() {
-	local builddir=$(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
-
-	# 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-${PV}.a ]] ; then
-		dosym ../../$(get_libdir)/libm-${PV}.so $(alt_usrlibdir)/libm-${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
-		ppc64   /lib64/ld64.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
-		)
-		;;
-	big)
-		ldso_abi_list+=(
-			# arm
-			arm64   /lib/ld-linux-aarch64_be.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 "${WORKDIR}"/extra/etc/*.conf || die
-
-	if ! in_iuse nscd || use nscd ; then
-		doinitd "${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 $FILESDIR copy once 2.19 goes stable.
-		if version_is_at_least 2.19 ; then
-			systemd_dounit nscd/nscd.service || die
-			systemd_newtmpfilesd nscd/nscd.tmpfiles nscd.conf || die
-		else
-			systemd_dounit "${FILESDIR}"/nscd.service || die
-			systemd_newtmpfilesd "${FILESDIR}"/nscd.tmpfilesd nscd.conf || die
-		fi
-	else
-		# Do this since extra/etc/*.conf above might have nscd.conf.
-		rm -f "${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 $(alt_prefix)/sys-include
-}
-
-src_strip() {
-	# gdb is lame and requires some debugging information to remain in
-	# libpthread, so we need to strip it by hand.  libthread_db makes no
-	# sense stripped as it is only used when debugging.
-	local pthread=$(has splitdebug ${FEATURES} && echo "libthread_db" || echo "lib{pthread,thread_db}")
-	env \
-		-uRESTRICT \
-		CHOST=${CTARGET} \
-		STRIP_MASK="/*/{,tls/}${pthread}*" \
-		prepallstrip
-	# if user has stripping enabled and does not have split debug turned on,
-	# then leave the debugging sections in libpthread.
-	if ! has nostrip ${FEATURES} && ! has splitdebug ${FEATURES} ; then
-		${STRIP:-${CTARGET}-strip} --strip-debug "${ED}"/*/libpthread-*.so
-	fi
-}
-
-eblit-glibc-src_install() {
-	if just_headers ; then
-		export ABI=default
-		toolchain-glibc_headers_install
-		return
-	fi
-
-	foreach_abi toolchain-glibc_src_install
-	src_strip
-}
diff --git a/sys-libs/glibc/files/eblits/src_prepare.eblit b/sys-libs/glibc/files/eblits/src_prepare.eblit
deleted file mode 100644
index 8df4b5fc1eb8..000000000000
--- a/sys-libs/glibc/files/eblits/src_prepare.eblit
+++ /dev/null
@@ -1,64 +0,0 @@
-# Copyright 1999-2017 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-eblit-glibc-src_prepare() {
-	# XXX: We should do the branchupdate, before extracting the manpages and
-	# infopages else it does not help much (mtimes change if there is a change
-	# to them with branchupdate)
-	if [[ -n ${BRANCH_UPDATE} ]] ; then
-		epatch "${DISTDIR}"/glibc-${RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2
-
-		# Snapshot date patch
-		einfo "Patching version to display snapshot date ..."
-		sed -i -e "s:\(#define RELEASE\).*:\1 \"${BRANCH_UPDATE}\":" version.h
-	fi
-
-	# 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
-}
diff --git a/sys-libs/glibc/files/eblits/src_test.eblit b/sys-libs/glibc/files/eblits/src_test.eblit
deleted file mode 100644
index a3cb4ec1be12..000000000000
--- a/sys-libs/glibc/files/eblits/src_test.eblit
+++ /dev/null
@@ -1,29 +0,0 @@
-# Copyright 1999-2014 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-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}-$1"
-	return 1
-}
-
-toolchain-glibc_src_test() {
-	local ret=0 t
-	for t in linuxthreads nptl ; do
-		if want_${t} ; then
-			glibc_src_test ${t}
-			: $(( ret |= $? ))
-		fi
-	done
-	return ${ret}
-}
-
-eblit-glibc-src_test() {
-	# Give tests more time to complete.
-	export TIMEOUTFACTOR=5
-
-	foreach_abi toolchain-glibc_src_test || die "tests failed"
-}
diff --git a/sys-libs/glibc/files/eblits/src_unpack.eblit b/sys-libs/glibc/files/eblits/src_unpack.eblit
deleted file mode 100644
index c3777f3c856e..000000000000
--- a/sys-libs/glibc/files/eblits/src_unpack.eblit
+++ /dev/null
@@ -1,120 +0,0 @@
-# Copyright 1999-2014 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-[[ ${EAPI:-0} == [01] ]] && source "${FILESDIR}/eblits/src_prepare.eblit"
-
-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() {
-	[[ $(KV_to_int $1) -ge $(KV_to_int $2) ]]
-	eend $?
-}
-
-get_kheader_version() {
-	printf '#include <linux/version.h>\nLINUX_VERSION_CODE\n' | \
-	$(tc-getCPP ${CTARGET}) -I "${EPREFIX}/$(alt_build_headers)" - | \
-	tail -n 1
-}
-
-check_nptl_support() {
-	# don't care about the compiler here as we arent using it
-	just_headers && return
-
-	local run_kv build_kv want_kv
-	run_kv=$(int_to_KV $(get_KV))
-	build_kv=$(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_src_unpack() {
-	# Check NPTL support _before_ we unpack things to save some time
-	want_nptl && check_nptl_support
-
-	if [[ -n ${EGIT_REPO_URIS} ]] ; then
-		local i d
-		for ((i=0; i<${#EGIT_REPO_URIS[@]}; ++i)) ; do
-			EGIT_REPO_URI=${EGIT_REPO_URIS[$i]}
-			EGIT_SOURCEDIR=${EGIT_SOURCEDIRS[$i]}
-			git-2_src_unpack
-		done
-	else
-		unpack_pkg
-	fi
-
-	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
-}
-
-eblit-glibc-src_unpack() {
-	setup_env
-
-	toolchain-glibc_src_unpack
-	[[ ${EAPI:-0} == [01] ]] && cd "${S}" && eblit-glibc-src_prepare
-}
diff --git a/sys-libs/glibc/glibc-2.17.ebuild b/sys-libs/glibc/glibc-2.17.ebuild
index 0932e17b9833..11f180adc572 100644
--- a/sys-libs/glibc/glibc-2.17.ebuild
+++ b/sys-libs/glibc/glibc-2.17.ebuild
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -102,61 +102,12 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
-
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
-}
-
-src_unpack()  { eblit-run src_unpack  ; }
-src_compile() { eblit-run src_compile ; }
-src_test()    { eblit-run src_test    ; }
-src_install() { eblit-run src_install ; }
-
-# FILESDIR might not be available during binpkg install
-for x in setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
+src_unpack() {
 	GLIBC_PATCH_EXCLUDE+=" 6600_mips_librt-mips.patch" #456912
 	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
 
-eblit-src_unpack-post() {
+	toolchain-glibc_src_unpack
+
 	if use hardened ; then
 		cd "${S}"
 		einfo "Patching to get working PIE binaries on PIE (hardened) platforms"
@@ -192,7 +143,9 @@ eblit-src_unpack-post() {
 	fi
 }
 
-eblit-pkg_preinst-post() {
+pkg_preinst() {
+	toolchain-glibc_pkg_preinst
+
 	if [[ ${CTARGET} == arm* ]] ; then
 		# Backwards compat support for renaming hardfp ldsos #417287
 		local oldso='/lib/ld-linux.so.3'
diff --git a/sys-libs/glibc/glibc-2.18-r1.ebuild b/sys-libs/glibc/glibc-2.18-r1.ebuild
index e74b9fc4f79e..71ed7aea497a 100644
--- a/sys-libs/glibc/glibc-2.18-r1.ebuild
+++ b/sys-libs/glibc/glibc-2.18-r1.ebuild
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -102,61 +102,12 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
-
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
-}
-
-src_unpack()  { eblit-run src_unpack  ; }
-src_compile() { eblit-run src_compile ; }
-src_test()    { eblit-run src_test    ; }
-src_install() { eblit-run src_install ; }
-
-# FILESDIR might not be available during binpkg install
-for x in setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
+src_unpack() {
 	GLIBC_PATCH_EXCLUDE+=" 00_all_0012-mips-add-clock_-g-s-ettime-symbol-compat-hacks.patch" #456912 #481438
 	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
 
-eblit-src_unpack-post() {
+	toolchain-glibc_src_unpack
+
 	if use hardened ; then
 		cd "${S}"
 		einfo "Patching to get working PIE binaries on PIE (hardened) platforms"
@@ -192,7 +143,9 @@ eblit-src_unpack-post() {
 	fi
 }
 
-eblit-pkg_preinst-post() {
+pkg_preinst() {
+	toolchain-glibc_pkg_preinst
+
 	if [[ ${CTARGET} == arm* ]] ; then
 		# Backwards compat support for renaming hardfp ldsos #417287
 		local oldso='/lib/ld-linux.so.3'
diff --git a/sys-libs/glibc/glibc-2.19-r1.ebuild b/sys-libs/glibc/glibc-2.19-r1.ebuild
index 2ca97f2bf986..f86bb021c504 100644
--- a/sys-libs/glibc/glibc-2.19-r1.ebuild
+++ b/sys-libs/glibc/glibc-2.19-r1.ebuild
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -102,60 +102,10 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
-
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
-}
-
-src_unpack()  { eblit-run src_unpack  ; }
-src_compile() { eblit-run src_compile ; }
-src_test()    { eblit-run src_test    ; }
-src_install() { eblit-run src_install ; }
-
-# FILESDIR might not be available during binpkg install
-for x in setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
+src_unpack() {
 	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+	toolchain-glibc_src_unpack
 
-eblit-src_unpack-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
@@ -194,7 +144,9 @@ eblit-src_unpack-post() {
 	fi
 }
 
-eblit-pkg_preinst-post() {
+pkg_preinst() {
+	toolchain-glibc_pkg_preinst
+
 	if [[ ${CTARGET} == arm* ]] ; then
 		# Backwards compat support for renaming hardfp ldsos #417287
 		local oldso='/lib/ld-linux.so.3'
diff --git a/sys-libs/glibc/glibc-2.20-r2.ebuild b/sys-libs/glibc/glibc-2.20-r2.ebuild
index f5b57c2acfe7..d0956e2eb60d 100644
--- a/sys-libs/glibc/glibc-2.20-r2.ebuild
+++ b/sys-libs/glibc/glibc-2.20-r2.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="4"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -101,62 +101,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-2.21-r2.ebuild b/sys-libs/glibc/glibc-2.21-r2.ebuild
index 0d17c8687217..ec75650f0676 100644
--- a/sys-libs/glibc/glibc-2.21-r2.ebuild
+++ b/sys-libs/glibc/glibc-2.21-r2.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="4"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -101,62 +101,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-2.22-r4.ebuild b/sys-libs/glibc/glibc-2.22-r4.ebuild
index bd1088bf9295..5949f88d64ac 100644
--- a/sys-libs/glibc/glibc-2.22-r4.ebuild
+++ b/sys-libs/glibc/glibc-2.22-r4.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="4"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -101,65 +101,18 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
-
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
-}
-
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
+src_unpack() {
 	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 	# Bug 558636 we don't apply the pie works around for 2.22. It shoud have the support. #558636
 	GLIBC_PATCH_EXCLUDE+=" 00_all_0002-workaround-crash-when-handling-signals-in-static-PIE.patch"
 	GLIBC_PATCH_EXCLUDE+=" 00_all_0012-disable-PIE-when-checking-for-PIC-default.patch"
+
+	toolchain-glibc_src_unpack
 }
 
-eblit-src_prepare-post() {
+src_prepare() {
+	toolchain-glibc_src_prepare
+
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-2.23-r3.ebuild b/sys-libs/glibc/glibc-2.23-r3.ebuild
index 4f88a459468c..410b3485c156 100644
--- a/sys-libs/glibc/glibc-2.23-r3.ebuild
+++ b/sys-libs/glibc/glibc-2.23-r3.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="4"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -109,62 +109,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-2.24-r1.ebuild b/sys-libs/glibc/glibc-2.24-r1.ebuild
index 740d0f06ae49..556d4c0818d4 100644
--- a/sys-libs/glibc/glibc-2.24-r1.ebuild
+++ b/sys-libs/glibc/glibc-2.24-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="5"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -109,62 +109,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-2.25.ebuild b/sys-libs/glibc/glibc-2.25.ebuild
index 3457ed0bf80a..d554e67112d5 100644
--- a/sys-libs/glibc/glibc-2.25.ebuild
+++ b/sys-libs/glibc/glibc-2.25.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="5"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -109,62 +109,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild
index e9d140e38717..950b62b89acf 100644
--- a/sys-libs/glibc/glibc-9999.ebuild
+++ b/sys-libs/glibc/glibc-9999.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="5"
 
-inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing prefix
+inherit toolchain-glibc
 
 DESCRIPTION="GNU libc6 (also called glibc2) C library"
 HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
@@ -109,62 +109,15 @@ SRC_URI=$(
 )
 SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
 
-# eblit-include [--skip] <function> [version]
-eblit-include() {
-	local skipable=false
-	[[ $1 == "--skip" ]] && skipable=true && shift
-	[[ $1 == pkg_* ]] && skipable=true
-
-	local e v func=$1 ver=$2
-	[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
-	for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
-		e="${FILESDIR}/eblits/${func}${v}.eblit"
-		if [[ -e ${e} ]] ; then
-			source "${e}"
-			return 0
-		fi
-	done
-	${skipable} && return 0
-	die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
-}
-
-# eblit-run-maybe <function>
-# run the specified function if it is defined
-eblit-run-maybe() {
-	[[ $(type -t "$@") == "function" ]] && "$@"
-}
+src_unpack() {
+	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
 
-# eblit-run <function> [version]
-# aka: src_unpack() { eblit-run src_unpack ; }
-eblit-run() {
-	eblit-include --skip common "${*:2}"
-	eblit-include "$@"
-	eblit-run-maybe eblit-$1-pre
-	eblit-${PN}-$1
-	eblit-run-maybe eblit-$1-post
+	toolchain-glibc_src_unpack
 }
 
-src_unpack()    { eblit-run src_unpack    ; }
-src_prepare()   { eblit-run src_prepare   ; }
-src_configure() { eblit-run src_configure ; }
-src_compile()   { eblit-run src_compile   ; }
-src_test()      { eblit-run src_test      ; }
-src_install()   { eblit-run src_install   ; }
-
-# FILESDIR might not be available during binpkg install
-for x in pretend setup {pre,post}inst ; do
-	e="${FILESDIR}/eblits/pkg_${x}.eblit"
-	if [[ -e ${e} ]] ; then
-		. "${e}"
-		eval "pkg_${x}() { eblit-run pkg_${x} ; }"
-	fi
-done
-
-eblit-src_unpack-pre() {
-	[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
-}
+src_prepare() {
+	toolchain-glibc_src_prepare
 
-eblit-src_prepare-post() {
 	cd "${S}"
 
 	if use hardened ; then
-- 
2.12.0