198 lines
6.3 KiB
Bash
198 lines
6.3 KiB
Bash
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# Copyright 1999-2016 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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EAPI="4"
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inherit eutils versionator toolchain-funcs flag-o-matic gnuconfig multilib systemd unpacker multiprocessing
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DESCRIPTION="GNU libc6 (also called glibc2) C library"
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HOMEPAGE="https://www.gnu.org/software/libc/libc.html"
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LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE"
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KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86"
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RESTRICT="strip" # strip ourself #46186
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EMULTILIB_PKG="true"
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# Configuration variables
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RELEASE_VER=""
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case ${PV} in
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9999*)
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EGIT_REPO_URIS="git://sourceware.org/git/glibc.git"
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EGIT_SOURCEDIRS="${S}"
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inherit git-2
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;;
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*)
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RELEASE_VER=${PV}
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;;
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esac
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GCC_BOOTSTRAP_VER="4.7.3-r1"
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PATCH_VER="13" # Gentoo patchset
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: ${NPTL_KERN_VER:="2.6.32"} # min kernel version nptl requires
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IUSE="debug gd hardened multilib nscd selinux systemtap profile suid vanilla crosscompile_opts_headers-only"
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# Here's how the cross-compile logic breaks down ...
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# CTARGET - machine that will target the binaries
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# CHOST - machine that will host the binaries
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# CBUILD - machine that will build the binaries
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# If CTARGET != CHOST, it means you want a libc for cross-compiling.
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# If CHOST != CBUILD, it means you want to cross-compile the libc.
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# CBUILD = CHOST = CTARGET - native build/install
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# CBUILD != (CHOST = CTARGET) - cross-compile a native build
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# (CBUILD = CHOST) != CTARGET - libc for cross-compiler
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# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler
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# For install paths:
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# CHOST = CTARGET - install into /
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# CHOST != CTARGET - install into /usr/CTARGET/
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export CBUILD=${CBUILD:-${CHOST}}
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export CTARGET=${CTARGET:-${CHOST}}
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if [[ ${CTARGET} == ${CHOST} ]] ; then
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if [[ ${CATEGORY} == cross-* ]] ; then
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export CTARGET=${CATEGORY#cross-}
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fi
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fi
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is_crosscompile() {
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[[ ${CHOST} != ${CTARGET} ]]
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}
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# Why SLOT 2.2 you ask yourself while sippin your tea ?
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# Everyone knows 2.2 > 0, duh.
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SLOT="2.2"
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# General: We need a new-enough binutils/gcc to match upstream baseline.
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# arch: we need to make sure our binutils/gcc supports TLS.
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DEPEND=">=app-misc/pax-utils-0.1.10
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!<sys-apps/sandbox-1.6
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!<sys-apps/portage-2.1.2
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selinux? ( sys-libs/libselinux )"
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RDEPEND="!sys-kernel/ps3-sources
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sys-apps/gentoo-functions
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selinux? ( sys-libs/libselinux )
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!sys-libs/nss-db"
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if [[ ${CATEGORY} == cross-* ]] ; then
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DEPEND+=" !crosscompile_opts_headers-only? (
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>=${CATEGORY}/binutils-2.24
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>=${CATEGORY}/gcc-4.6
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)"
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[[ ${CATEGORY} == *-linux* ]] && DEPEND+=" ${CATEGORY}/linux-headers"
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else
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DEPEND+="
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>=sys-devel/binutils-2.24
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>=sys-devel/gcc-4.6
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virtual/os-headers"
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RDEPEND+=" vanilla? ( !sys-libs/timezone-data )"
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PDEPEND+=" !vanilla? ( sys-libs/timezone-data )"
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fi
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upstream_uris() {
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echo mirror://gnu/glibc/$1 ftp://sourceware.org/pub/glibc/{releases,snapshots}/$1 mirror://gentoo/$1
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}
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gentoo_uris() {
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local devspace="HTTP~vapier/dist/URI HTTP~azarah/glibc/URI"
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devspace=${devspace//HTTP/https://dev.gentoo.org/}
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echo mirror://gentoo/$1 ${devspace//URI/$1}
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}
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SRC_URI=$(
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[[ -z ${EGIT_REPO_URIS} ]] && upstream_uris ${P}.tar.xz
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[[ -n ${PATCH_VER} ]] && gentoo_uris ${P}-patches-${PATCH_VER}.tar.bz2
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)
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SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}"
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# eblit-include [--skip] <function> [version]
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eblit-include() {
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local skipable=false
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[[ $1 == "--skip" ]] && skipable=true && shift
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[[ $1 == pkg_* ]] && skipable=true
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local e v func=$1 ver=$2
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[[ -z ${func} ]] && die "Usage: eblit-include <function> [version]"
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for v in ${ver:+-}${ver} -${PVR} -${PV} "" ; do
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e="${FILESDIR}/eblits/${func}${v}.eblit"
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if [[ -e ${e} ]] ; then
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source "${e}"
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return 0
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fi
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done
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${skipable} && return 0
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die "Could not locate requested eblit '${func}' in ${FILESDIR}/eblits/"
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}
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# eblit-run-maybe <function>
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# run the specified function if it is defined
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eblit-run-maybe() {
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[[ $(type -t "$@") == "function" ]] && "$@"
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}
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# eblit-run <function> [version]
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# aka: src_unpack() { eblit-run src_unpack ; }
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eblit-run() {
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eblit-include --skip common "${*:2}"
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eblit-include "$@"
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eblit-run-maybe eblit-$1-pre
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eblit-${PN}-$1
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eblit-run-maybe eblit-$1-post
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}
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src_unpack() { eblit-run src_unpack ; }
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src_prepare() { eblit-run src_prepare ; }
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src_configure() { eblit-run src_configure ; }
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src_compile() { eblit-run src_compile ; }
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src_test() { eblit-run src_test ; }
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src_install() { eblit-run src_install ; }
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# FILESDIR might not be available during binpkg install
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for x in pretend setup {pre,post}inst ; do
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e="${FILESDIR}/eblits/pkg_${x}.eblit"
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if [[ -e ${e} ]] ; then
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. "${e}"
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eval "pkg_${x}() { eblit-run pkg_${x} ; }"
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fi
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done
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eblit-src_unpack-pre() {
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[[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2
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# Bug 558636 we don't apply the pie works around for 2.22. It shoud have the support. #558636
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GLIBC_PATCH_EXCLUDE+=" 00_all_0002-workaround-crash-when-handling-signals-in-static-PIE.patch"
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GLIBC_PATCH_EXCLUDE+=" 00_all_0012-disable-PIE-when-checking-for-PIC-default.patch"
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}
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eblit-src_prepare-post() {
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cd "${S}"
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epatch "${FILESDIR}"/2.19/${PN}-2.19-ia64-gcc-4.8-reloc-hack.patch #503838
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if use hardened ; then
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# We don't enable these for non-hardened as the output is very terse --
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# it only states that a crash happened. The default upstream behavior
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# includes backtraces and symbols.
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einfo "Installing Hardened Gentoo SSP and FORTIFY_SOURCE handler"
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cp "${FILESDIR}"/2.20/glibc-2.20-gentoo-stack_chk_fail.c debug/stack_chk_fail.c || die
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cp "${FILESDIR}"/2.20/glibc-2.20-gentoo-chk_fail.c debug/chk_fail.c || die
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if use debug ; then
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# Allow SIGABRT to dump core on non-hardened systems, or when debug is requested.
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sed -i \
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-e '/^CFLAGS-backtrace.c/ iCPPFLAGS-stack_chk_fail.c = -DSSP_SMASH_DUMPS_CORE' \
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-e '/^CFLAGS-backtrace.c/ iCPPFLAGS-chk_fail.c = -DSSP_SMASH_DUMPS_CORE' \
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debug/Makefile || die
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fi
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# Build various bits with ssp-all
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sed -i \
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-e 's:-fstack-protector$:-fstack-protector-all:' \
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*/Makefile || die
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fi
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case $(gcc-fullversion) in
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4.8.[0-3]|4.9.0)
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eerror "You need to switch to a newer compiler; gcc-4.8.[0-3] and gcc-4.9.0 miscompile"
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eerror "glibc. See https://bugs.gentoo.org/547420 for details."
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die "need to switch compilers #547420"
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;;
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esac
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}
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