Attachment 892006 Details for Bug 930975 – environment

environment

environment (text/plain), 175.56 KB, created by Toralf Förster on 2024-04-30 13:05:42 UTC

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Creator: Toralf Förster

Created: 2024-04-30 13:05:42 UTC

Size: 175.56 KB

patch

obsolete

>declare -x ABI="amd64"
>declare -x ABI_MIPS=""
>declare -x ABI_S390=""
>declare -x ABI_X86="64"
>declare -x ADAFLAGS=""
>declare -x ADA_TARGET=""
>declare -x ALSA_CARDS=""
>declare -x AMDGPU_TARGETS=""
>declare -x APACHE2_MODULES=""
>declare -x APACHE2_MPMS=""
>declare -x ARCH="amd64"
>declare -- BASE_URI="https://community.download.adacore.com/v1"
>declare BDEPEND=$'sys-devel/binutils sys-devel/gnuconfig >=app-portage/elt-patches-20240116 \n\tapp-alternatives/yacc\n\t>=sys-devel/flex-2.5.4\n\tnls? ( sys-devel/gettext )\n\ttest? (\n\t\t|| ( dev-lang/python:3.11 dev-lang/python:3.10 )\n\t\t>=dev-util/dejagnu-1.4.4\n\t\t>=sys-devel/autogen-5.5.4\n\t)\n'
>declare -- BINPATH="/usr/x86_64-pc-linux-gnu/gcc-bin/10"
>declare -x BINPKG_FORMAT="gpkg"
>declare -x BINPKG_GPG_SIGNING_BASE_COMMAND="/usr/bin/flock /run/lock/portage-binpkg-gpg.lock /usr/bin/gpg --sign --armor [PORTAGE_CONFIG]"
>declare -x BINPKG_GPG_SIGNING_DIGEST="SHA512"
>declare -x BINPKG_GPG_VERIFY_BASE_COMMAND="/usr/bin/gpg --verify --batch --no-tty --no-auto-check-trustdb --status-fd 2 [PORTAGE_CONFIG] [SIGNATURE]"
>declare -x BINPKG_GPG_VERIFY_GPG_HOME="/etc/portage/gnupg"
>declare -x BOOTSTRAP_USE="unicode internal-glib pkg-config split-usr xml python_targets_python3_11 python_single_target_python3_11 multilib zstd cet"
>declare -x BRANDING_GCC_PKGVERSION="Gentoo 10.3.1-r5"
>declare -- BTSTRP="gnat-gpl-2014-x86_64-linux-bin"
>declare -- BTSTRP_AMD64="gnat-gpl-2014-x86_64-linux-bin"
>declare -- BTSTRP_X86="gnat-gpl-2014-x86-linux-bin"
>declare -a BUILD_CONFIG_TARGETS=()
>declare -x CALLIGRA_FEATURES=""
>declare -x CAMERAS=""
>declare -x CARGO_TERM_COLOR="never"
>declare -x CBUILD="x86_64-pc-linux-gnu"
>declare -x CC="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gcc"
>declare -x CCASFLAGS=""
>declare -x CFLAGS="-pipe -march=native -O2"
>declare -x CFLAGS_amd64="-m64"
>declare -x CFLAGS_default
>declare -x CFLAGS_x32="-mx32"
>declare -x CFLAGS_x86="-m32 -mfpmath=sse"
>declare -x CG_COMPILER_EXE="/opt/bin/cgc"
>declare -x CG_INC_PATH="/opt/nvidia-cg-toolkit/include"
>declare -x CG_LIB_PATH="/opt/nvidia-cg-toolkit/lib64"
>declare -x CHOST="x86_64-pc-linux-gnu"
>declare -x CHOST_amd64="x86_64-pc-linux-gnu"
>declare -x CHOST_default="x86_64-pc-linux-gnu"
>declare -x CHOST_x32="x86_64-pc-linux-gnux32"
>declare -x CHOST_x86="i686-pc-linux-gnu"
>declare -x CMAKE_COLOR_DIAGNOSTICS="OFF"
>declare -x CMAKE_COLOR_MAKEFILE="OFF"
>declare -x COLLECTD_PLUGINS=""
>declare -x CPPFLAGS=""
>declare -x CPU_FLAGS_ARM=""
>declare -x CPU_FLAGS_PPC=""
>declare -x CPU_FLAGS_X86=""
>declare -x CSSTRNGS="/usr/share/locale"
>declare -x CTARGET="x86_64-pc-linux-gnu"
>declare -x CTARGET_default="x86_64-pc-linux-gnu"
>declare -x CURL_SSL=""
>declare -x CXX="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/g++"
>declare -x CXXFLAGS="-pipe -march=native -O2"
>declare -- DATAPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/10"
>declare -x DCC_EMAILLOG_WHOM_TO_BLAME=""
>declare -x DEFAULT_ABI="amd64"
>declare -x DEFINED_PHASES=" compile configure install postinst postrm preinst prepare pretend setup test unpack"
>declare DEPEND=$'\n\tsys-libs/zlib\n\tvirtual/libiconv\n\tnls? ( virtual/libintl )\n >=dev-libs/gmp-4.3.2:0= >=dev-libs/mpfr-2.4.2:0= >=dev-libs/mpc-0.8.1:0= objc-gc? ( >=dev-libs/boehm-gc-7.4.2 ) graphite? ( >=dev-libs/isl-0.14:0= ) sanitize? ( virtual/libcrypt ) systemtap? ( dev-debug/systemtap ) zstd? ( app-arch/zstd:= )'
>declare DESCRIPTION="GNAT Ada Compiler - GPL version"
>declare -x DIROPTIONS="-m0755"
>declare -x DOTNET_ROOT="/opt/dotnet-sdk-bin-8.0"
>declare -x DSM_CONFIG="/etc/tivoli/dsm.opt"
>declare -x DSM_DIR="/opt/tivoli/tsm/client/ba/bin"
>declare -x DSM_LOG="/var/log/tsm"
>declare -x EAPI="8"
>declare -- EBUILD_DEATH_HOOKS=" toolchain_death_notice"
>declare -x EGO_BUILD_FLAGS="-p 4"
>declare -x ELIBC="glibc"
>declare -x ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
>declare -- EPOCHREALTIME="1714463081.731458"
>declare -- EPOCHSECONDS="1714463081"
>declare -x ETCKEEPER_CONF_DIR="/etc/etckeeper"
>declare -x EXEOPTIONS="-m0755"
>declare -x FCFLAGS="-pipe -march=native -fno-diagnostics-color -O2"
>declare -x FETCHCOMMAND_SSH="bash -c \"x=\\\${2#ssh://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port= ; exec rsync --rsh=\\\"ssh \\\${port:+-p\\\${port}} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
>declare -x FFLAGS="-pipe -march=native -fno-diagnostics-color -O2"
>declare -x FFTOOLS=""
>declare -x FLTK_DOCDIR="/usr/share/doc/fltk-1.3.8/html"
>declare -- GCC="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gcc"
>declare -- GCCMAJOR="10"
>declare -- GCCMICRO="1"
>declare -- GCCMINOR="3"
>declare -- GCC_BRANCH_VER="10.3"
>declare -x GCC_COLORS=""
>declare -- GCC_CONFIG_VER="10"
>declare -- GCC_PV="10.3.1"
>declare -- GCC_PVR="10.3.1-r5"
>declare -- GCC_RELEASE_VER="10.3.1"
>declare -- GCC_RUN_FIXINCLUDES="0"
>declare -- GCC_TARBALL_SRC_URI=$'\n\thttps://community.download.adacore.com/v1/005d2b2eff627177986d2517eb31e1959bec6f3a?filename=gnat-2021-20210519-19A70-src.tar.gz\n\t\t-> gnat-2021-20210519-19A70-src.tar.gz\n\thttps://community.download.adacore.com/v1/44cd393be0b468cc253bf2cf9cf7804c993e7b5b?filename=gcc-10-2021-20210519-19A74-src.tar.gz\n\t\t-> gcc-10-2021-20210519-19A74-src.tar.gz\n\thttps://community.download.adacore.com/v1/8ace7d06e469d36d726cc8badb0ed78411e727f3?filename=gcc-interface-10-2021-20210519-19A75-src.tar.gz\n\t\t-> gcc-interface-10-2021-20210519-19A75-src.tar.gz\n\tbootstrap? (\n\t\tamd64? (\n\t\t\thttps://community.download.adacore.com/v1/6eb6eef6bb897e4c743a519bfebe0b1d6fc409c6?filename=gnat-gpl-2014-x86_64-linux-bin.tar.gz&rand=1193\n\t\t\t-> gnat-gpl-2014-x86_64-linux-bin.tar.gz\n\t\t)\n\t\tx86? (\n\t\t\thttps://community.download.adacore.com/v1/c5e9e6fdff5cb77ed90cf8c62536653e27c0bed6?filename=gnat-gpl-2014-x86-linux-bin.tar.gz&rand=436\n\t\t\t-> gnat-gpl-2014-x86-linux-bin.tar.gz\n\t\t)\n\t)'
>declare -- GCC_TESTS_CHECK_TARGET="check"
>declare -- GCC_TESTS_COMPARISON_DIR="/var/cache/gcc/testresults/x86_64-pc-linux-gnu"
>declare -- GCC_TESTS_COMPARISON_SLOT="10"
>declare -- GCC_TESTS_IGNORE_NO_BASELINE=""
>declare -- GCC_TESTS_REGEN_BASELINE=""
>declare -- GCC_TESTS_RUNTESTFLAGS=""
>declare -- GCC_VALIDATE_FAILURES_VERSION="7bbfb01a32b73842f8908de028703510a0e12057"
>declare -x GIT_PAGER="cat"
>declare -- GMP_MPFR_DEPS=">=dev-libs/gmp-4.3.2:0= >=dev-libs/mpfr-2.4.2:0="
>declare -- GNATBIND="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gnatbind"
>declare -- GNATDIR="gnat-2021-20210519-19A70-src"
>declare -- GNATLINK="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gnatlink"
>declare -- GNATLS="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gnatls"
>declare -- GNATMAKE="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin/gnatmake"
>declare -x GO19CONCURRENTCOMPILATION="0"
>declare -x GOMAXPROCS="4"
>declare -x GPG_VERIFY_GROUP_DROP="nogroup"
>declare -x GPG_VERIFY_USER_DROP="nobody"
>declare -x GPSD_PROTOCOLS=""
>declare -x GRUB_PLATFORMS=""
>declare HOMEPAGE="http://libre.adacore.com/"
>declare IDEPEND=""
>declare -- INCLUDEPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/10/include"
>declare -x INFLUXD_CONFIG_PATH="/etc/influxdb"
>declare -x INHERITED=" toolchain-funcs multilib edo flag-o-matic gnuconfig libtool pax-utils multiprocessing python-utils-r1 python-any-r1 prefix toolchain"
>declare -x INPUT_DEVICES=""
>declare -x INSOPTIONS="-m0644"
>declare -- INTFDIR="gcc-interface-10-2021-20210519-19A75-src"
>declare IUSE="+ada +bootstrap test vanilla +nls debug +cxx +fortran doc hardened multilib objc pgo objc-gc libssp objc++ +openmp fixed-point go +sanitize graphite ada vtv jit +pie +ssp pch systemtap d lto cet zstd default-znow default-stack-clash-protection modula2 rust"
>declare -x IUSE_EFFECTIVE="abi_x86_64 ada alpha amd64 amd64-linux arm arm64 arm64-macos bootstrap cet cxx d debug default-stack-clash-protection default-znow doc elibc_Darwin elibc_SunOS elibc_bionic elibc_glibc elibc_mingw elibc_musl fixed-point fortran go graphite hardened hppa ia64 jit kernel_Darwin kernel_SunOS kernel_linux libssp loong lto m68k mips modula2 multilib nls objc objc++ objc-gc openmp pch pgo pie ppc ppc-macos ppc64 ppc64-linux prefix prefix-guest prefix-stack riscv rust s390 sanitize sparc ssp systemtap test vanilla vtv x64-macos x64-solaris x86 x86-linux zstd"
>declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-guest prefix-stack"
>declare -x JAR="no"
>declare -x JAVAC="/bin/javac"
>declare -x JDK_HOME=""
>declare -x KERNEL="linux"
>declare -x KERNEL_ABI="amd64"
>declare -x KEYWORDS="amd64 x86"
>declare -x L10N=""
>declare -x LADSPA_PATH="/usr/lib64/ladspa"
>declare -x LAGAN_DIR="/usr/lib64/lagan"
>declare -x LANG="C.UTF8"
>declare -x LCD_DEVICES=""
>declare -x LC_COLLATE="C"
>declare -x LC_MESSAGES="C"
>declare -x LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,--defsym=__gentoo_check_ldflags__=0"
>declare -x LDFLAGS_amd64="-m elf_x86_64"
>declare -x LDFLAGS_default
>declare -x LDFLAGS_x32="-m elf32_x86_64"
>declare -x LDFLAGS_x86="-m elf_i386"
>declare -x LEX="flex"
>declare -x LIBDIR_amd64="lib64"
>declare -x LIBDIR_default="lib"
>declare -x LIBDIR_x32="libx32"
>declare -x LIBDIR_x86="lib"
>declare -x LIBOPTIONS="-m0644"
>declare -- LIBPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/10"
>declare -x LIBREOFFICE_EXTENSIONS=""
>declare -x LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 ) FDL-1.3+ GPL-2 GPL-3"
>declare -x LLVM_SLOT=""
>declare -x LLVM_TARGETS=""
>declare -x LOGTALKHOME="/usr/share/logtalk-3.47.0"
>declare -x LUA_SINGLE_TARGET=""
>declare -x LUA_TARGETS=""
>declare -x LV2_PATH="/usr/lib64/lv2"
>declare -x MAILTO="tinderbox"
>declare -x MAKEOPTS="--output-sync=line  -j4"
>declare -x MANPAGER="manpager"
>declare -x MIX_REBAR3="/usr/bin/rebar3"
>declare -x MONKEYD_PLUGINS=""
>declare -x MOZ_GMP_PATH="/usr/lib64/nsbrowser/plugins/gmp-gmpopenh264/system-installed"
>declare -x MULTILIB_ABIS="amd64"
>declare -x MULTILIB_STRICT_DENY="64-bit.*shared object"
>declare -x MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib"
>declare -x MULTILIB_STRICT_EXEMPT="(perl5|gcc|binutils|eclipse-3|debug|portage|udev|systemd|clang|python-exec|llvm)"
>declare -x MULTITALK_DIR="/usr/share/multitalk"
>declare -- MYP="gcc-10-2021-20210519-19A74-src"
>declare -x NGINX_MODULES_HTTP=""
>declare -x NGINX_MODULES_MAIL=""
>declare -x NGINX_MODULES_STREAM=""
>declare -x NPM_CONFIG_GLOBALCONFIG="/etc/npm/npmrc"
>declare -x NX_SYSTEM="/opt/NX"
>declare -x OCAML_COLOR="never"
>declare -x OFFICE_IMPLEMENTATION=""
>declare -x OMP_DYNAMIC="FALSE"
>declare -x OMP_NESTED="FALSE"
>declare -x OMP_NUM_THREADS="4"
>declare -x OPCODEDIR="/usr/lib64/csound/plugins"
>declare -x OPENMPI_FABRICS=""
>declare -x OPENMPI_OFED_FEATURES=""
>declare -x OPENMPI_RM=""
>declare -x ORACLE_HOME="/usr/lib64/oracle/client"
>declare -- PATCH_GCC_VER="10.3.0"
>declare -- PATCH_VER="4"
>declare -x PATH="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gcc-10-2021-20210519-19A74-src/bin:/usr/lib/portage/python3.11/ebuild-helpers/xattr:/usr/lib/portage/python3.11/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/bin:/usr/lib/llvm/18/bin:/usr/lib/llvm/17/bin:/usr/lib/llvm/16/bin:/usr/lib/llvm/15/bin:/opt/nvidia-cg-toolkit/bin:/opt/ucsc-genome-browser/bin:/usr/bin/cdsclient:/usr/lib64/julia-1.10.0/bin:/var/lib/bin"
>declare -- PAX_MARKINGS="none"
>declare PDEPEND=">=sys-devel/gcc-config-2.11"
>declare -x PHP_TARGETS=""
>declare -x PKGSYSTEM_ENABLE_FSYNC="0"
>declare -x PORTAGE_COMPRESSION_COMMAND="zstd -T4"
>declare -a PORTAGE_DOCOMPRESS=([0]="/usr/share/doc" [1]="/usr/share/info" [2]="/usr/share/man")
>declare -x PORTAGE_DOCOMPRESS_SIZE_LIMIT="128"
>declare -a PORTAGE_DOCOMPRESS_SKIP=([0]="/usr/share/doc/gnat-gpl-2021-r5/html")
>declare -a PORTAGE_DOSTRIP=([0]="/")
>declare -a PORTAGE_DOSTRIP_SKIP=()
>declare -x PORTAGE_REPO_REVISIONS="{\"gentoo\": \"1a30e6ba7817881a0b47c5dfd8bc7c352a412ad8\"}"
>declare -x PORTAGE_TMPFS="/dev/shm"
>declare -x PORT_LOGDIR="/var/log/portage"
>declare -x POSTGRES_TARGETS=""
>declare -- PREFIX="/usr"
>declare -x PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL"
>declare -- PROPERTIES=""
>declare -x PYTEST_ADDOPTS="--color=no"
>declare -x PYTHIA8DATA="/usr/share/Pythia8/xmldoc"
>declare -x PYTHONDOCS_3_12="/usr/share/doc/python-docs-3.12.3/html/library"
>declare -x PYTHONDONTWRITEBYTECODE="1"
>declare -a PYTHON_COMPAT=([0]="python3_10" [1]="python3_11")
>declare -- PYTHON_DEPS="|| ( dev-lang/python:3.11 dev-lang/python:3.10 )"
>declare -- PYTHON_REQUIRED_USE="I-DO-NOT-EXIST-IN-PYTHON-ANY-R1"
>declare -x PYTHON_SINGLE_TARGET=""
>declare -x PYTHON_TARGETS=""
>declare -x PY_FORCE_COLOR="0"
>declare -x QEMU_SOFTMMU_TARGETS=""
>declare -x QEMU_USER_TARGETS=""
>declare -x QRNADB="/usr/share/qrna/data"
>declare RDEPEND=$'!=sys-devel/gcc-10.3.1* \n\tsys-libs/zlib\n\tvirtual/libiconv\n\tnls? ( virtual/libintl )\n >=dev-libs/gmp-4.3.2:0= >=dev-libs/mpfr-2.4.2:0= >=dev-libs/mpc-0.8.1:0= objc-gc? ( >=dev-libs/boehm-gc-7.4.2 ) graphite? ( >=dev-libs/isl-0.14:0= ) zstd? ( app-arch/zstd:= )'
>declare -- REL="10"
>declare REPOSITORY
>declare REQUIRED_USE=""
>declare RESTRICT="test"
>declare -x RESUMECOMMAND_SSH="bash -c \"x=\\\${2#ssh://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port= ; exec rsync --rsh=\\\"ssh \\\${port:+-p\\\${port}} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
>declare -x RUBY_TARGETS=""
>declare -x RUST_TEST_TASKS="4"
>declare -x RUST_TEST_THREADS="4"
>declare -x S="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gcc-10-2021-20210519-19A74-src"
>declare -x SANDBOX_DEBUG="0"
>declare -x SANDBOX_DENY=""
>declare -x SANDBOX_METHOD="any"
>declare -x SANDBOX_PREDICT="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/homedir:/dev/crypto:/var/cache/man:/var/cache/fontconfig"
>declare -x SANDBOX_READ="/:/var/tmp/portage"
>declare -x SANDBOX_VERBOSE="1"
>declare -x SANDBOX_WRITE=":/dev/console:/dev/fd:/dev/full:/dev/null:/dev/ptmx:/dev/pts/:/dev/pty:/dev/shm:/dev/tts:/dev/tty:/dev/vc/:/dev/zero:/proc/self/fd:/run/firejail:/tmp/:/usr/lib/cf:/usr/lib/conftest:/usr/lib32/cf:/usr/lib32/conftest:/usr/lib64/cf:/usr/lib64/conftest:/usr/tmp/:/usr/tmp/cf:/usr/tmp/conftest:/var/tmp/:/var/tmp/portage:/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/homedir/.bash_history:/dev/zero"
>declare -x SANE_BACKENDS=""
>declare -x SHELL="/bin/bash"
>declare -x SIEGFRIED_HOME="/usr/share/siegfried"
>declare -x SLOT="10"
>declare -i SRANDOM="2730805758"
>declare SRC_URI=$'\n\thttps://community.download.adacore.com/v1/005d2b2eff627177986d2517eb31e1959bec6f3a?filename=gnat-2021-20210519-19A70-src.tar.gz\n\t\t-> gnat-2021-20210519-19A70-src.tar.gz\n\thttps://community.download.adacore.com/v1/44cd393be0b468cc253bf2cf9cf7804c993e7b5b?filename=gcc-10-2021-20210519-19A74-src.tar.gz\n\t\t-> gcc-10-2021-20210519-19A74-src.tar.gz\n\thttps://community.download.adacore.com/v1/8ace7d06e469d36d726cc8badb0ed78411e727f3?filename=gcc-interface-10-2021-20210519-19A75-src.tar.gz\n\t\t-> gcc-interface-10-2021-20210519-19A75-src.tar.gz\n\tbootstrap? (\n\t\tamd64? (\n\t\t\thttps://community.download.adacore.com/v1/6eb6eef6bb897e4c743a519bfebe0b1d6fc409c6?filename=gnat-gpl-2014-x86_64-linux-bin.tar.gz&rand=1193\n\t\t\t-> gnat-gpl-2014-x86_64-linux-bin.tar.gz\n\t\t)\n\t\tx86? (\n\t\t\thttps://community.download.adacore.com/v1/c5e9e6fdff5cb77ed90cf8c62536653e27c0bed6?filename=gnat-gpl-2014-x86-linux-bin.tar.gz&rand=436\n\t\t\t-> gnat-gpl-2014-x86-linux-bin.tar.gz\n\t\t)\n\t) https://dev.gentoo.org/~soap/distfiles/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~sam/distfiles/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~sam/distfiles/sys-devel/gcc/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~tamiko/distfiles/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~zorry/patches/gcc/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~vapier/dist/gcc-10.3.0-patches-4.tar.xz https://dev.gentoo.org/~blueness/dist/gcc-10.3.0-patches-4.tar.xz mirror://gentoo/gcc-10.3.0-patches-4.tar.xz test? ( https://gitweb.gentoo.org/proj/gcc-patches.git/plain/scripts/testsuite-management/validate_failures.py?id=7bbfb01a32b73842f8908de028703510a0e12057 -> gnat-gpl-validate-failures-7bbfb01a32b73842f8908de028703510a0e12057.py )'
>declare -- STDCXX_INCDIR="/usr/lib/gcc/x86_64-pc-linux-gnu/10/include/g++-v10"
>declare -x SVDIR="/etc/service/"
>declare -x SYMLINK_LIB="no"
>declare -- TARGET_ABI="amd64"
>declare -- TARGET_DEFAULT_ABI="amd64"
>declare -- TARGET_MULTILIB_ABIS="amd64"
>declare -x TASKDDATA="/var/lib/taskd"
>declare -a TC_FEATURES=([0]="fortran" [1]="objc-gc" [2]="sanitize" [3]="graphite" [4]="systemtap" [5]="d" [6]="zstd" [7]="rust")
>declare -x TERMINFO="/etc/terminfo"
>declare -x TERMINFO_DIRS="/usr/share/st/terminfo"
>declare -x TNS_ADMIN="/etc/oracle/"
>declare -- TOOLCHAIN_GCC_PV="10.3.1"
>declare -- TOOLCHAIN_PATCH_SUFFIX="xz"
>declare -- TOOLCHAIN_SET_S="yes"
>declare -x TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
>declare -x UNCACHED_ERR_FD=""
>declare -x USE="abi_x86_64 ada amd64 bootstrap cet cxx elibc_glibc fortran kernel_linux openmp pie sanitize ssp vanilla zstd"
>declare -x USERLAND="GNU"
>declare -x USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL"
>declare -x USE_EXPAND_UNPREFIXED="ARCH"
>declare -x USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-linux arm arm64 arm64-macos hppa ia64 loong m68k mips ppc ppc64 ppc64-linux ppc-macos riscv s390 sparc x64-macos x64-solaris x86 x86-linux"
>declare -x USE_EXPAND_VALUES_ELIBC="bionic Darwin glibc mingw musl SunOS"
>declare -x USE_EXPAND_VALUES_KERNEL="Darwin linux SunOS"
>declare -x UWSGI_PLUGINS=""
>declare -x VIDEO_CARDS=""
>declare -x VOICEMAIL_STORAGE=""
>declare -x XEHELPURL="/usr/share/doc/xephem-4.1.0-r1/html/xephem.html"
>declare -x XERCESC_NLS_HOME="/usr/share/xerces-c/msg"
>declare -x XTABLES_ADDONS=""
>declare -x XZ_OPT="-9 -T4"
>declare -- _EDO_ECLASS="1"
>declare -- _FLAG_O_MATIC_ECLASS="1"
>declare -- _GNUCONFIG_CLASS="1"
>declare -- _LIBTOOL_ECLASS="1"
>declare -- _MULTILIB_ECLASS="1"
>declare -- _MULTIPROCESSING_ECLASS="1"
>declare -- _PAX_UTILS_ECLASS="1"
>declare -- _PREFIX_ECLASS="1"
>declare -a _PYTHON_ALL_IMPLS=([0]="pypy3" [1]="python3_10" [2]="python3_11" [3]="python3_12")
>declare -- _PYTHON_ANY_R1_ECLASS="1"
>declare -a _PYTHON_HISTORICAL_IMPLS=([0]="jython2_7" [1]="pypy" [2]="pypy1_8" [3]="pypy1_9" [4]="pypy2_0" [5]="python2_5" [6]="python2_6" [7]="python2_7" [8]="python3_1" [9]="python3_2" [10]="python3_3" [11]="python3_4" [12]="python3_5" [13]="python3_6" [14]="python3_7" [15]="python3_8" [16]="python3_9")
>declare -a _PYTHON_SUPPORTED_IMPLS=([0]="python3_10" [1]="python3_11")
>declare -a _PYTHON_UNSUPPORTED_IMPLS=([0]="pypy3" [1]="python3_12")
>declare -- _PYTHON_UTILS_R1_ECLASS="1"
>declare -- _TOOLCHAIN_ECLASS="1"
>declare -- _TOOLCHAIN_FUNCS_ECLASS="1"
>declare -x __E_DESTTREE="/usr"
>declare -x __E_DOCDESTTREE=""
>declare -x __E_EXEDESTTREE=""
>declare -x __E_INSDESTTREE=""
>declare -x ac_cv_c_undeclared_builtin_options="none needed"
>declare -x ac_cv_have_x="have_x=yes ac_x_includes= ac_x_libraries="
>declare -x enable_year2038="no"
>declare -x gl_cv_compiler_check_decl_option="-Werror=implicit-function-declaration"
>declare -x gl_cv_func_getcwd_path_max="yes"
>declare -- gnatbase="gcc"
>declare -- gnatpath="/var/tmp/portage/dev-lang/gnat-gpl-2021-r5/work/gnat-gpl-2014-x86_64-linux-bin/bin"
>declare -x name="23.0_no_multilib-20240422-084518"
>SwitchGCC () 
>{ 
>    local highest=$(gcc-config --list-profiles --nocolor | cut -f 3 -d ' ' -s | grep -E 'x86_64-(pc|gentoo)-linux-(gnu|musl)-.*[0-9]$' | tail -n 1);
>    if [[ -z $highest ]]; then
>        Mail "${FUNCNAME[0]}: cannot get GCC version";
>        return;
>    fi;
>    if ! gcc-config --list-profiles --nocolor | grep -q -F "$highest *"; then
>        local current;
>        current=$(gcc -dumpversion);
>        echo "major version change of gcc: $current -> $highest" | tee -a $taskfile.history;
>        gcc-config --nocolor $highest;
>        source_profile;
>        add2backlog "dev-build/libtool";
>        if grep -q '^LIBTOOL="rdlibtool"' /etc/portage/make.conf; then
>            add2backlog "dev-build/slibtool";
>        fi;
>        add2backlog "%emerge --unmerge sys-devel/gcc:$(cut -f 1 -d '.' <<< $current)";
>    fi;
>    if [[ ! -f /etc/portage/bashrc.clang && ! $name =~ "llvm" && $(gcc -dumpversion) -ge 14 ]] && [[ $((RANDOM % 2)) -lt 1 ]]; then
>        sed -i -e 's,^CFLAGS=",CFLAGS="-fpermissive ,' /etc/portage/make.conf;
>    fi
>}
>declare -fx SwitchGCC
>XGCC () 
>{ 
>    get_make_var GCC_FOR_TARGET
>}
>__eapi6_src_install () 
>{ 
>    if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
>        emake DESTDIR="${D}" install;
>    fi;
>    einstalldocs
>}
>__eapi6_src_prepare () 
>{ 
>    if ___is_indexed_array_var PATCHES; then
>        [[ ${#PATCHES[@]} -gt 0 ]] && eapply "${PATCHES[@]}";
>    else
>        if [[ -n ${PATCHES} ]]; then
>            eapply ${PATCHES};
>        fi;
>    fi;
>    eapply_user
>}
>__eapi7_ver_compare () 
>{ 
>    local va=${1} vb=${2} a an al as ar b bn bl bs br re LC_ALL=C;
>    re="^([0-9]+(\.[0-9]+)*)([a-z]?)((_(alpha|beta|pre|rc|p)[0-9]*)*)(-r[0-9]+)?$";
>    [[ ${va} =~ ${re} ]] || die "${FUNCNAME}: invalid version: ${va}";
>    an=${BASH_REMATCH[1]};
>    al=${BASH_REMATCH[3]};
>    as=${BASH_REMATCH[4]};
>    ar=${BASH_REMATCH[7]};
>    [[ ${vb} =~ ${re} ]] || die "${FUNCNAME}: invalid version: ${vb}";
>    bn=${BASH_REMATCH[1]};
>    bl=${BASH_REMATCH[3]};
>    bs=${BASH_REMATCH[4]};
>    br=${BASH_REMATCH[7]};
>    __eapi7_ver_compare_int "${an%%.*}" "${bn%%.*}" || return;
>    while [[ ${an} == *.* && ${bn} == *.* ]]; do
>        an=${an#*.};
>        bn=${bn#*.};
>        a=${an%%.*};
>        b=${bn%%.*};
>        if [[ ${a} == 0* || ${b} == 0* ]]; then
>            [[ ${a} =~ 0+$ ]] && a=${a%"${BASH_REMATCH[0]}"};
>            [[ ${b} =~ 0+$ ]] && b=${b%"${BASH_REMATCH[0]}"};
>            [[ ${a} > ${b} ]] && return 3;
>            [[ ${a} < ${b} ]] && return 1;
>        else
>            __eapi7_ver_compare_int "${a}" "${b}" || return;
>        fi;
>    done;
>    [[ ${an} == *.* ]] && return 3;
>    [[ ${bn} == *.* ]] && return 1;
>    [[ ${al} > ${bl} ]] && return 3;
>    [[ ${al} < ${bl} ]] && return 1;
>    as=${as#_}${as:+_};
>    bs=${bs#_}${bs:+_};
>    while [[ -n ${as} && -n ${bs} ]]; do
>        a=${as%%_*};
>        b=${bs%%_*};
>        if [[ ${a%%[0-9]*} == "${b%%[0-9]*}" ]]; then
>            __eapi7_ver_compare_int "${a##*[a-z]}" "${b##*[a-z]}" || return;
>        else
>            [[ ${a%%[0-9]*} == p ]] && return 3;
>            [[ ${b%%[0-9]*} == p ]] && return 1;
>            [[ ${a} > ${b} ]] && return 3 || return 1;
>        fi;
>        as=${as#*_};
>        bs=${bs#*_};
>    done;
>    if [[ -n ${as} ]]; then
>        [[ ${as} == p[_0-9]* ]] && return 3 || return 1;
>    else
>        if [[ -n ${bs} ]]; then
>            [[ ${bs} == p[_0-9]* ]] && return 1 || return 3;
>        fi;
>    fi;
>    __eapi7_ver_compare_int "${ar#-r}" "${br#-r}" || return;
>    return 2
>}
>__eapi7_ver_compare_int () 
>{ 
>    local a=$1 b=$2 d=$(( ${#1}-${#2} ));
>    if [[ ${d} -gt 0 ]]; then
>        printf -v b "%0${d}d%s" 0 "${b}";
>    else
>        if [[ ${d} -lt 0 ]]; then
>            printf -v a "%0$(( -d ))d%s" 0 "${a}";
>        fi;
>    fi;
>    [[ ${a} > ${b} ]] && return 3;
>    [[ ${a} == "${b}" ]]
>}
>__eapi7_ver_parse_range () 
>{ 
>    local range=${1};
>    local max=${2};
>    [[ ${range} == [0-9]* ]] || die "${FUNCNAME}: range must start with a number";
>    start=${range%-*};
>    [[ ${range} == *-* ]] && end=${range#*-} || end=${start};
>    if [[ -n ${end} ]]; then
>        [[ ${start} -le ${end} ]] || die "${FUNCNAME}: end of range must be >= start";
>        [[ ${end} -le ${max} ]] || end=${max};
>    else
>        end=${max};
>    fi
>}
>__eapi7_ver_split () 
>{ 
>    local v=${1} LC_ALL=C;
>    comp=();
>    local s c;
>    while [[ -n ${v} ]]; do
>        s=${v%%[a-zA-Z0-9]*};
>        v=${v:${#s}};
>        [[ ${v} == [0-9]* ]] && c=${v%%[^0-9]*} || c=${v%%[^a-zA-Z]*};
>        v=${v:${#c}};
>        comp+=("${s}" "${c}");
>    done
>}
>__eapi8_src_prepare () 
>{ 
>    local f;
>    if ___is_indexed_array_var PATCHES; then
>        [[ ${#PATCHES[@]} -gt 0 ]] && eapply -- "${PATCHES[@]}";
>    else
>        if [[ -n ${PATCHES} ]]; then
>            eapply -- ${PATCHES};
>        fi;
>    fi;
>    eapply_user
>}
>__tinderbox_checkEOL () 
>{ 
>    if [[ -f /var/tmp/tb/EOL || -f /var/tmp/tb/STOP ]]; then
>        exit 42;
>    fi
>}
>_clang_fullversion () 
>{ 
>    local ver="$1";
>    shift;
>    set -- $($(tc-getCPP "$@") -E -P - <<< "__clang_major__ __clang_minor__ __clang_patchlevel__");
>    eval echo "${ver}"
>}
>_eapply_patch () 
>{ 
>    local f=${1};
>    local prefix=${2};
>    ebegin "${prefix:-Applying }${f##*/}";
>    local all_opts=(-p1 -f -g0 --no-backup-if-mismatch "${patch_options[@]}");
>    if ${patch_cmd} "${all_opts[@]}" --dry-run -s -F0 < "${f}" &> /dev/null; then
>        all_opts+=(-s -F0);
>    fi;
>    ${patch_cmd} "${all_opts[@]}" < "${f}";
>    failed=${?};
>    if ! eend "${failed}"; then
>        __helpers_die "patch -p1 ${patch_options[*]} failed with ${f}";
>    fi
>}
>_filter-hardened () 
>{ 
>    local f;
>    for f in "$@";
>    do
>        case "${f}" in 
>            -fPIC | -fpic | -fPIE | -fpie | -Wl,pie | -pie)
>                if ! gcc-specs-pie && ! tc-enables-pie; then
>                    continue;
>                fi;
>                if ! is-flagq -nopie && ! is-flagq -no-pie; then
>                    if test-flags -nopie > /dev/null; then
>                        append-flags -nopie;
>                    else
>                        append-flags -no-pie;
>                    fi;
>                fi
>            ;;
>            -fstack-protector | -fstack-protector-strong)
>                if ! gcc-specs-ssp && ! tc-enables-ssp && ! tc-enables-ssp-strong; then
>                    continue;
>                fi;
>                is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector)
>            ;;
>            -fstack-protector-all)
>                if ! gcc-specs-ssp-to-all && ! tc-enables-ssp-all; then
>                    continue;
>                fi;
>                is-flagq -fno-stack-protector-all || append-flags $(test-flags -fno-stack-protector-all)
>            ;;
>            -fno-strict-overflow)
>                gcc-specs-nostrict || continue;
>                is-flagq -fstrict-overflow || append-flags $(test-flags -fstrict-overflow)
>            ;;
>            -D_GLIBCXX_ASSERTIONS | -D_LIBCPP_ENABLE_ASSERTIONS | -D_LIBCPP_ENABLE_HARDENED_MODE)
>                tc-enables-cxx-assertions || continue;
>                append-cppflags -U_GLIBCXX_ASSERTIONS -U_LIBCPP_ENABLE_ASSERTIONS -U_LIBCPP_ENABLE_HARDENED_MODE
>            ;;
>            -D_FORTIFY_SOURCE=*)
>                tc-enables-fortify-source || continue;
>                append-cppflags -U_FORTIFY_SOURCE
>            ;;
>        esac;
>    done
>}
>_filter-var () 
>{ 
>    local f x var=$1 new=();
>    shift;
>    for f in ${!var};
>    do
>        for x in "$@";
>        do
>            [[ ${f} == ${x} ]] && continue 2;
>        done;
>        new+=("${f}");
>    done;
>    export ${var}="${new[*]}"
>}
>_gcc-install-dir () 
>{ 
>    echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null | awk '$1=="install:" {print $2}')"
>}
>_gcc-specs-directive_raw () 
>{ 
>    local cc=$(tc-getCC);
>    local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}');
>    ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 'BEGIN	{ pspec=""; spec=""; outside=1 }
>$1=="*"directive":"  { pspec=spec; spec=""; outside=0; next }
>	outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
>	spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
>	{ spec=spec $0 }
>END	{ print spec }';
>    return 0
>}
>_gcc-specs-exists () 
>{ 
>    [[ -f $(_gcc-install-dir)/$1 ]]
>}
>_gcc_fullversion () 
>{ 
>    local ver="$1";
>    shift;
>    set -- $($(tc-getCPP "$@") -E -P - <<< "__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__");
>    eval echo "${ver}"
>}
>_get_all_makeopts () 
>{ 
>    echo "${MAKEOPTS} ${GNUMAKEFLAGS} ${MAKEFLAGS}"
>}
>_is_flagq () 
>{ 
>    local x var="$1[*]";
>    for x in ${!var};
>    do
>        [[ ${x} == $2 ]] && return 0;
>    done;
>    return 1
>}
>_pax_list_files () 
>{ 
>    local f cmd;
>    cmd=$1;
>    shift;
>    for f in "$@";
>    do
>        ${cmd} "     ${f}";
>    done
>}
>_python_check_EPYTHON () 
>{ 
>    if [[ -z ${EPYTHON} ]]; then
>        die "EPYTHON unset, invalid call context";
>    fi
>}
>_python_check_locale_sanity () 
>{ 
>    local -x LC_ALL=${1};
>    local IFS=;
>    local lc=({a..z});
>    local uc=({A..Z});
>    local input="${lc[*]}${uc[*]}";
>    local output=$(tr '[:lower:][:upper:]' '[:upper:][:lower:]' <<< "${input}");
>    [[ ${output} == "${uc[*]}${lc[*]}" ]]
>}
>_python_check_occluded_packages () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ -z ${BUILD_DIR} || ! -d ${BUILD_DIR}/install ]] && return;
>    local sitedir="${BUILD_DIR}/install$(python_get_sitedir)";
>    [[ ${sitedir} -ef . ]] && return;
>    local f fn diff l;
>    for f in "${sitedir}"/*/;
>    do
>        f=${f%/};
>        fn=${f##*/};
>        [[ ${fn} == *.dist-info || ${fn} == *.egg-info ]] && continue;
>        if [[ -d ${fn} ]]; then
>            diff=$(comm -1 -3 <(find "${fn}" -type f -not -path '*/__pycache__/*' | sort
>assert) <(cd "${sitedir}" && find "${fn}" -type f -not -path '*/__pycache__/*' | sort
>assert));
>            if [[ -n ${diff} ]]; then
>                eqawarn "The directory ${fn} occludes package installed for ${EPYTHON}.";
>                eqawarn "The installed package includes additional files:";
>                eqawarn;
>                while IFS= read -r l; do
>                    eqawarn "    ${l}";
>                done <<< "${diff}";
>                eqawarn;
>                if [[ ! -n ${_PYTHON_WARNED_OCCLUDED_PACKAGES} ]]; then
>                    eqawarn "For more information on occluded packages, please see:";
>                    eqawarn "https://projects.gentoo.org/python/guide/test.html#importerrors-for-c-extensions";
>                    _PYTHON_WARNED_OCCLUDED_PACKAGES=1;
>                fi;
>            fi;
>        fi;
>    done
>}
>_python_export () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local impl var;
>    case "${1}" in 
>        python* | jython*)
>            impl=${1/_/.};
>            shift
>        ;;
>        pypy | pypy3)
>            impl=${1};
>            shift
>        ;;
>        *)
>            impl=${EPYTHON};
>            if [[ -z ${impl} ]]; then
>                die "_python_export called without a python implementation and EPYTHON is unset";
>            fi
>        ;;
>    esac;
>    debug-print "${FUNCNAME}: implementation: ${impl}";
>    for var in "$@";
>    do
>        case "${var}" in 
>            EPYTHON)
>                export EPYTHON=${impl};
>                debug-print "${FUNCNAME}: EPYTHON = ${EPYTHON}"
>            ;;
>            PYTHON)
>                export PYTHON=${BROOT-${EPREFIX}}/usr/bin/${impl};
>                debug-print "${FUNCNAME}: PYTHON = ${PYTHON}"
>            ;;
>            PYTHON_SITEDIR)
>                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
>                PYTHON_SITEDIR=$("${PYTHON}" - "${EPREFIX}/usr" <<-EOF || 
>import sys, sysconfig
>print(sysconfig.get_path("purelib", vars={"base": sys.argv[1]}))
>EOF
> die);
>                export PYTHON_SITEDIR;
>                debug-print "${FUNCNAME}: PYTHON_SITEDIR = ${PYTHON_SITEDIR}"
>            ;;
>            PYTHON_INCLUDEDIR)
>                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
>                PYTHON_INCLUDEDIR=$("${PYTHON}" - "${ESYSROOT}/usr" <<-EOF || 
>import sys, sysconfig
>print(sysconfig.get_path("platinclude", vars={"installed_platbase": sys.argv[1]}))
>EOF
> die);
>                export PYTHON_INCLUDEDIR;
>                debug-print "${FUNCNAME}: PYTHON_INCLUDEDIR = ${PYTHON_INCLUDEDIR}";
>                if [[ ! -d ${PYTHON_INCLUDEDIR} ]]; then
>                    die "${impl} does not install any header files!";
>                fi
>            ;;
>            PYTHON_LIBPATH)
>                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
>                PYTHON_LIBPATH=$("${PYTHON}" - <<-EOF || 
>import os.path, sysconfig
>print(
>os.path.join(
>sysconfig.get_config_var("LIBDIR"),
>sysconfig.get_config_var("LDLIBRARY"))
>if sysconfig.get_config_var("LDLIBRARY")
>else "")
>EOF
> die);
>                export PYTHON_LIBPATH;
>                debug-print "${FUNCNAME}: PYTHON_LIBPATH = ${PYTHON_LIBPATH}";
>                if [[ ! -n ${PYTHON_LIBPATH} ]]; then
>                    die "${impl} lacks a (usable) dynamic library";
>                fi
>            ;;
>            PYTHON_CFLAGS)
>                local val;
>                case "${impl}" in 
>                    python*)
>                        val=$($(tc-getPKG_CONFIG) --cflags ${impl/n/n-}) || die
>                    ;;
>                    *)
>                        die "${impl}: obtaining ${var} not supported"
>                    ;;
>                esac;
>                export PYTHON_CFLAGS=${val};
>                debug-print "${FUNCNAME}: PYTHON_CFLAGS = ${PYTHON_CFLAGS}"
>            ;;
>            PYTHON_LIBS)
>                local val;
>                case "${impl}" in 
>                    python*)
>                        val=$($(tc-getPKG_CONFIG) --libs ${impl/n/n-}-embed) || die
>                    ;;
>                    *)
>                        die "${impl}: obtaining ${var} not supported"
>                    ;;
>                esac;
>                export PYTHON_LIBS=${val};
>                debug-print "${FUNCNAME}: PYTHON_LIBS = ${PYTHON_LIBS}"
>            ;;
>            PYTHON_CONFIG)
>                local flags val;
>                case "${impl}" in 
>                    python*)
>                        [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
>                        flags=$("${PYTHON}" - <<-EOF || 
>import sysconfig
>print(sysconfig.get_config_var("ABIFLAGS")
>or "")
>EOF
> die);
>                        val=${PYTHON}${flags}-config
>                    ;;
>                    *)
>                        die "${impl}: obtaining ${var} not supported"
>                    ;;
>                esac;
>                export PYTHON_CONFIG=${val};
>                debug-print "${FUNCNAME}: PYTHON_CONFIG = ${PYTHON_CONFIG}"
>            ;;
>            PYTHON_PKG_DEP)
>                local d;
>                case ${impl} in 
>                    python*)
>                        PYTHON_PKG_DEP="dev-lang/python:${impl#python}"
>                    ;;
>                    pypy3)
>                        PYTHON_PKG_DEP="dev-python/${impl}:="
>                    ;;
>                    *)
>                        die "Invalid implementation: ${impl}"
>                    ;;
>                esac;
>                if [[ -n ${PYTHON_REQ_USE} ]]; then
>                    PYTHON_PKG_DEP+=[${PYTHON_REQ_USE}];
>                fi;
>                export PYTHON_PKG_DEP;
>                debug-print "${FUNCNAME}: PYTHON_PKG_DEP = ${PYTHON_PKG_DEP}"
>            ;;
>            PYTHON_SCRIPTDIR)
>                local dir;
>                export PYTHON_SCRIPTDIR=${EPREFIX}/usr/lib/python-exec/${impl};
>                debug-print "${FUNCNAME}: PYTHON_SCRIPTDIR = ${PYTHON_SCRIPTDIR}"
>            ;;
>            *)
>                die "_python_export: unknown variable ${var}"
>            ;;
>        esac;
>    done
>}
>_python_impl_matches () 
>{ 
>    [[ ${#} -ge 1 ]] || die "${FUNCNAME}: takes at least 1 parameter";
>    [[ ${#} -eq 1 ]] && return 0;
>    local impl=${1/./_} pattern;
>    shift;
>    for pattern in "$@";
>    do
>        case ${pattern} in 
>            -2 | python2* | pypy)
>                if [[ ${EAPI} != 7 ]]; then
>                    eerror;
>                    eerror "Python 2 is no longer supported in Gentoo, please remove Python 2";
>                    eerror "${FUNCNAME[1]} calls.";
>                    die "Passing ${pattern} to ${FUNCNAME[1]} is banned in EAPI ${EAPI}";
>                fi
>            ;;
>            -3)
>                if [[ ${EAPI} != 7 ]]; then
>                    eerror;
>                    eerror "Python 2 is no longer supported in Gentoo, please remove Python 2";
>                    eerror "${FUNCNAME[1]} calls.";
>                    die "Passing ${pattern} to ${FUNCNAME[1]} is banned in EAPI ${EAPI}";
>                fi;
>                return 0
>            ;;
>            3.10)
>                [[ ${impl} == python${pattern/./_} || ${impl} == pypy3 ]] && return 0
>            ;;
>            3.8 | 3.9 | 3.1[1-2])
>                [[ ${impl} == python${pattern/./_} ]] && return 0
>            ;;
>            *)
>                [[ ${impl} == ${pattern/./_} ]] && return 0
>            ;;
>        esac;
>    done;
>    return 1
>}
>_python_run_check_deps () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local impl=${1};
>    einfo "Checking whether ${impl} is suitable ...";
>    local PYTHON_PKG_DEP;
>    _python_export "${impl}" PYTHON_PKG_DEP;
>    ebegin "  ${PYTHON_PKG_DEP}";
>    has_version -b "${PYTHON_PKG_DEP}";
>    eend ${?} || return 1;
>    declare -f python_check_deps > /dev/null || return 0;
>    local PYTHON_USEDEP="python_targets_${impl}(-)";
>    local PYTHON_SINGLE_USEDEP="python_single_target_${impl}(-)";
>    ebegin "  python_check_deps";
>    python_check_deps;
>    eend ${?}
>}
>_python_set_impls () 
>{ 
>    local i;
>    if [[ ${BASH_VERSINFO[0]} -ge 5 ]]; then
>        [[ ${PYTHON_COMPAT@a} == *a* ]];
>    else
>        [[ $(declare -p PYTHON_COMPAT) == "declare -a"* ]];
>    fi;
>    if [[ ${?} -ne 0 ]]; then
>        if ! declare -p PYTHON_COMPAT &> /dev/null; then
>            die 'PYTHON_COMPAT not declared.';
>        else
>            die 'PYTHON_COMPAT must be an array.';
>        fi;
>    fi;
>    local obsolete=();
>    if [[ ! -n ${PYTHON_COMPAT_NO_STRICT} ]]; then
>        for i in "${PYTHON_COMPAT[@]}";
>        do
>            case ${i} in 
>                pypy3 | python3_9 | python3_1[0-2])
>
>                ;;
>                jython2_7 | pypy | pypy1_[89] | pypy2_0 | python2_[5-7] | python3_[1-9])
>                    obsolete+=("${i}")
>                ;;
>                *)
>                    if has "${i}" "${_PYTHON_ALL_IMPLS[@]}" "${_PYTHON_HISTORICAL_IMPLS[@]}"; then
>                        die "Mis-synced patterns in _python_set_impls: missing ${i}";
>                    else
>                        die "Invalid implementation in PYTHON_COMPAT: ${i}";
>                    fi
>                ;;
>            esac;
>        done;
>    fi;
>    local supp=() unsupp=();
>    for i in "${_PYTHON_ALL_IMPLS[@]}";
>    do
>        if has "${i}" "${PYTHON_COMPAT[@]}"; then
>            supp+=("${i}");
>        else
>            unsupp+=("${i}");
>        fi;
>    done;
>    if [[ ! -n ${supp[@]} ]]; then
>        die "No supported implementation in PYTHON_COMPAT.";
>    fi;
>    if [[ -n ${_PYTHON_SUPPORTED_IMPLS[@]} ]]; then
>        if [[ ${_PYTHON_SUPPORTED_IMPLS[@]} != ${supp[@]} ]]; then
>            eerror "Supported impls (PYTHON_COMPAT) changed between inherits!";
>            eerror "Before: ${_PYTHON_SUPPORTED_IMPLS[*]}";
>            eerror "Now   : ${supp[*]}";
>            die "_PYTHON_SUPPORTED_IMPLS integrity check failed";
>        fi;
>        if [[ ${_PYTHON_UNSUPPORTED_IMPLS[@]} != ${unsupp[@]} ]]; then
>            eerror "Unsupported impls changed between inherits!";
>            eerror "Before: ${_PYTHON_UNSUPPORTED_IMPLS[*]}";
>            eerror "Now   : ${unsupp[*]}";
>            die "_PYTHON_UNSUPPORTED_IMPLS integrity check failed";
>        fi;
>    else
>        _PYTHON_SUPPORTED_IMPLS=("${supp[@]}");
>        _PYTHON_UNSUPPORTED_IMPLS=("${unsupp[@]}");
>        readonly _PYTHON_SUPPORTED_IMPLS _PYTHON_UNSUPPORTED_IMPLS;
>    fi
>}
>_python_verify_patterns () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local impl pattern;
>    for pattern in "$@";
>    do
>        case ${pattern} in 
>            -[23] | 3.[89] | 3.1[012])
>                continue
>            ;;
>        esac;
>        for impl in "${_PYTHON_ALL_IMPLS[@]}" "${_PYTHON_HISTORICAL_IMPLS[@]}";
>        do
>            [[ ${impl} == ${pattern/./_} ]] && continue 2;
>        done;
>        die "Invalid implementation pattern: ${pattern}";
>    done
>}
>_python_wrapper_setup () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local workdir=${1:-${T}/${EPYTHON}};
>    local impl=${2:-${EPYTHON}};
>    [[ -n ${workdir} ]] || die "${FUNCNAME}: no workdir specified.";
>    [[ -n ${impl} ]] || die "${FUNCNAME}: no impl nor EPYTHON specified.";
>    if [[ ! -x ${workdir}/bin/python ]]; then
>        mkdir -p "${workdir}"/{bin,pkgconfig} || die;
>        rm -f "${workdir}"/bin/python{,2,3}{,-config} || die;
>        rm -f "${workdir}"/bin/2to3 || die;
>        rm -f "${workdir}"/pkgconfig/python{2,3}{,-embed}.pc || die;
>        local EPYTHON PYTHON;
>        _python_export "${impl}" EPYTHON PYTHON;
>        cat > "${workdir}/bin/python" <<-_EOF_ || 
>#!/bin/sh
>exec "${PYTHON}" "\${@}"
>_EOF_
> die
>        cp "${workdir}/bin/python" "${workdir}/bin/python3" || die;
>        chmod +x "${workdir}/bin/python" "${workdir}/bin/python3" || die;
>        local nonsupp=(python2 python2-config);
>        if [[ ${EPYTHON} == python* ]]; then
>            cat > "${workdir}/bin/python-config" <<-_EOF_ || 
>#!/bin/sh
>exec "${PYTHON}-config" "\${@}"
>_EOF_
> die
>            cp "${workdir}/bin/python-config" "${workdir}/bin/python3-config" || die;
>            chmod +x "${workdir}/bin/python-config" "${workdir}/bin/python3-config" || die;
>            ln -s "${PYTHON/python/2to3-}" "${workdir}"/bin/2to3 || die;
>            ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${EPYTHON/n/n-}.pc "${workdir}"/pkgconfig/python3.pc || die;
>            ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${EPYTHON/n/n-}-embed.pc "${workdir}"/pkgconfig/python3-embed.pc || die;
>        else
>            nonsupp+=(2to3 python-config python3-config);
>        fi;
>        local x;
>        for x in "${nonsupp[@]}";
>        do
>            cat > "${workdir}"/bin/${x} <<-_EOF_ || 
>#!/bin/sh
>echo "${ECLASS}: ${FUNCNAME}: ${x} is not supported by ${EPYTHON} (PYTHON_COMPAT)" >&2
>exit 127
>_EOF_
> die
>            chmod +x "${workdir}"/bin/${x} || die;
>        done;
>    fi;
>    if [[ ${PATH##:*} != ${workdir}/bin ]]; then
>        PATH=${workdir}/bin${PATH:+:${PATH}};
>    fi;
>    if [[ ${PKG_CONFIG_PATH##:*} != ${workdir}/pkgconfig ]]; then
>        PKG_CONFIG_PATH=${workdir}/pkgconfig${PKG_CONFIG_PATH:+:${PKG_CONFIG_PATH}};
>    fi;
>    export PATH PKG_CONFIG_PATH
>}
>_setup-allowed-flags () 
>{ 
>    ALLOWED_FLAGS=(-pipe -O '-O[123szg]' '-mcpu=*' '-march=*' '-mtune=*' '-mfpmath=*' -flto '-flto=*' -fno-lto '-fstack-protector*' -fstack-clash-protection '-fcf-protection=*' -fbounds-check -fbounds-checking -fno-PIE -fno-pie -nopie -no-pie -fharden-compares -fharden-conditional-branches -fharden-control-flow-redundancy -fno-harden-control-flow-redundancy -fhardcfr-skip-leaf -fhardcfr-check-exceptions -fhardcfr-check-returning-calls '-fhardcfr-check-noreturn-calls=*' '-mindirect-branch=*' -mindirect-branch-register '-mfunction-return=*' -mretpoline '-mharden-sls=*' '-mbranch-protection=*' -fno-unit-at-a-time -fno-strict-overflow '-fsanitize*' '-fno-sanitize*' -g '-g[0-9]' -ggdb '-ggdb[0-9]' -gdwarf '-gdwarf-*' -gstabs -gstabs+ -gz -glldb '-fdebug-default-version=*' -fno-diagnostics-color '-fmessage-length=*' -fno-ident -fpermissive -frecord-gcc-switches -frecord-command-line '-fdiagnostics*' '-fplugin*' '-W*' -w '-[DUILR]*' '-Wl,*' '-fuse-ld=*');
>    ALLOWED_FLAGS+=('-fno-stack-protector*' '-fabi-version=*' -fno-strict-aliasing -fno-bounds-check -fno-bounds-checking -fstrict-overflow -fno-omit-frame-pointer '-fno-builtin*' -mno-omit-leaf-frame-pointer);
>    ALLOWED_FLAGS+=('-mregparm=*' -mno-app-regs -mapp-regs -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4 -mno-sse4.1 -mno-sse4.2 -mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow -mno-popcnt -mno-abm -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt -msoft-float -mno-soft-float -mhard-float -mno-hard-float '-mfpu=*' -mieee -mieee-with-inexact '-mschedule=*' -mfloat-gprs -mspe -mno-spe -mtls-direct-seg-refs -mno-tls-direct-seg-refs -mflat -mno-flat -mno-faster-structs -mfaster-structs -m32 -m64 -mx32 '-mabi=*' -mlittle-endian -mbig-endian -EL -EB -fPIC -mlive-g0 '-mcmodel=*' -mstack-bias -mno-stack-bias -msecure-plt '-m*-toc' '-mfloat-abi=*' '-mtls-dialect=*' -mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400 -mfix-r10000 -mno-fix-r10000 '-mr10k-cache-barrier=*' -mthumb -marm -ffixed-x18 -mno-fma4 -mno-movbe -mno-xop -mno-lwp -mno-fsgsbase -mno-rdrnd -mno-f16c -mno-bmi -mno-tbm -mno-avx2 -mno-bmi2 -mno-fma -mno-lzcnt -mno-fxsr -mno-hle -mno-rtm -mno-xsave -mno-xsaveopt -mno-avx512cd -mno-avx512er -mno-avx512f -mno-avx512pf -mno-sha);
>    ALLOWED_FLAGS+=(-mstackrealign '-mpreferred-stack-boundary=*' '-mincoming-stack-boundary=*');
>    ALLOWED_FLAGS+=('--unwindlib=*' '--rtlib=*' '--stdlib=*')
>}
>_tc-getPROG () 
>{ 
>    local tuple=$1;
>    local v var vars=$2;
>    local prog=($3);
>    var=${vars%% *};
>    for v in ${vars};
>    do
>        if [[ -n ${!v} ]]; then
>            export ${var}="${!v}";
>            echo "${!v}";
>            return 0;
>        fi;
>    done;
>    local search=;
>    [[ -n $4 ]] && search=$(type -p $4-${prog[0]});
>    [[ -z ${search} && -n ${!tuple} ]] && search=$(type -p ${!tuple}-${prog[0]});
>    [[ -n ${search} ]] && prog[0]=${search##*/};
>    export ${var}="${prog[*]}";
>    echo "${!var}"
>}
>_tc-has-openmp () 
>{ 
>    local base="${T}/test-tc-openmp";
>    cat <<-EOF > "${base}.c"
>#include <omp.h>
>int main(void) {
>int nthreads, tid, ret = 0;
>#pragma omp parallel private(nthreads, tid)
>{
>tid = omp_get_thread_num();
>nthreads = omp_get_num_threads(); ret += tid + nthreads;
>}
>return ret;
>}
>EOF
>
>    $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null;
>    local ret=$?;
>    rm -f "${base}"*;
>    return ${ret}
>}
>_tc_use_if_iuse () 
>{ 
>    in_iuse $1 && use $1
>}
>_test-flag-PROG () 
>{ 
>    local comp=$1;
>    local lang=$2;
>    shift 2;
>    if [[ -z ${comp} ]]; then
>        return 1;
>    fi;
>    if [[ -z $1 ]]; then
>        return 1;
>    fi;
>    comp=($(tc-get${comp}));
>    if ! type -p ${comp[0]} > /dev/null; then
>        return 1;
>    fi;
>    local in_src in_ext cmdline_extra=();
>    case "${lang}" in 
>        c)
>            in_ext='c';
>            in_src='int main(void) { return 0; }';
>            cmdline_extra+=(-xc -c)
>        ;;
>        c++)
>            in_ext='cc';
>            in_src='int main(void) { return 0; }';
>            cmdline_extra+=(-xc++ -c)
>        ;;
>        f77)
>            in_ext='f';
>            in_src='      end';
>            cmdline_extra+=(-xf77 -c)
>        ;;
>        f95)
>            in_ext='f90';
>            in_src='end';
>            cmdline_extra+=(-xf95 -c)
>        ;;
>        c+ld)
>            in_ext='c';
>            in_src='int main(void) { return 0; }';
>            if is-ldflagq -fuse-ld=*; then
>                fuse_ld_value=$(get-flag -fuse-ld=*);
>                cmdline_extra+=(${fuse_ld_value});
>            fi;
>            cmdline_extra+=(-xc)
>        ;;
>    esac;
>    local test_in=${T}/test-flag.${in_ext};
>    local test_out=${T}/test-flag.exe;
>    printf "%s\n" "${in_src}" > "${test_in}" || die "Failed to create '${test_in}'";
>    local cmdline=("${comp[@]}" -Werror "$@" "${cmdline_extra[@]}" "${test_in}" -o "${test_out}");
>    "${cmdline[@]}" &> /dev/null
>}
>_test-flags-PROG () 
>{ 
>    local comp=$1;
>    local flags=();
>    local x;
>    shift;
>    [[ -z ${comp} ]] && return 1;
>    while (( $# )); do
>        case "$1" in 
>            --param | -B)
>                if test-flag-${comp} "$1" "$2"; then
>                    flags+=("$1" "$2");
>                fi;
>                shift 2
>            ;;
>            *)
>                if test-flag-${comp} "$1"; then
>                    flags+=("$1");
>                fi;
>                shift 1
>            ;;
>        esac;
>    done;
>    echo "${flags[*]}";
>    [[ ${#flags[@]} -gt 0 ]]
>}
>add2backlog () 
>{ 
>    local bl=/var/tmp/tb/backlog.1st;
>    if [[ $1 == '@preserved-rebuild' ]]; then
>        sed -i -e "/@preserved-rebuild/d" $bl;
>        sed -i -e "1 i\@preserved-rebuild" $bl;
>    else
>        if [[ $1 =~ ^@ || $1 =~ ^% ]]; then
>            if [[ "$(tail -n 1 $bl)" != "$1" ]]; then
>                echo "$1" >> $bl;
>            fi;
>        else
>            if ! grep -q "^${1}$" $bl; then
>                echo "$1" >> $bl;
>            fi;
>        fi;
>    fi
>}
>declare -fx add2backlog
>all-flag-vars () 
>{ 
>    echo {ADA,C,CPP,CXX,CCAS,F,FC,LD}FLAGS
>}
>append-atomic-flags () 
>{ 
>    test-flags-CCLD "-latomic" &> /dev/null || return;
>    append-libs "-Wl,--push-state,--as-needed,-latomic,--pop-state"
>}
>append-cflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CFLAGS+=" $*";
>    return 0
>}
>append-cppflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CPPFLAGS+=" $*";
>    return 0
>}
>append-cxxflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CXXFLAGS+=" $*";
>    return 0
>}
>append-fflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export FFLAGS+=" $*";
>    export FCFLAGS+=" $*";
>    return 0
>}
>append-flags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    case " $* " in 
>        *' '-[DIU]*)
>            eqawarn 'Please use append-cppflags for preprocessor flags'
>        ;;
>        *' '-L* | *' '-Wl,*)
>            eqawarn 'Please use append-ldflags for linker flags'
>        ;;
>    esac;
>    append-cflags "$@";
>    append-cxxflags "$@";
>    append-fflags "$@";
>    return 0
>}
>append-ldflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    local flag;
>    for flag in "$@";
>    do
>        [[ ${flag} == -l* ]] && eqawarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS";
>    done;
>    export LDFLAGS="${LDFLAGS} $*";
>    return 0
>}
>append-lfs-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "append-lfs-flags takes no arguments";
>    append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
>}
>append-libs () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    local flag;
>    for flag in "$@";
>    do
>        if [[ -z "${flag// }" ]]; then
>            eqawarn "Appending an empty argument to LIBS is invalid! Skipping.";
>            continue;
>        fi;
>        case $flag in 
>            -[lL]*)
>                export LIBS="${LIBS} ${flag}"
>            ;;
>            -*)
>                eqawarn "Appending non-library to LIBS (${flag}); Other linker flags should be passed via LDFLAGS";
>                export LIBS="${LIBS} ${flag}"
>            ;;
>            *)
>                export LIBS="${LIBS} -l${flag}"
>            ;;
>        esac;
>    done;
>    return 0
>}
>build_sphinx () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${#} -eq 1 ]] || die "${FUNCNAME} takes 1 arg: <directory>";
>    local dir=${1};
>    sed -i -e 's:^intersphinx_mapping:disabled_&:' "${dir}"/conf.py || die;
>    local command=("${EPYTHON}" -m sphinx.cmd.build);
>    if ! "${EPYTHON}" -c "import sphinx.cmd.build" 2> /dev/null; then
>        command=(sphinx-build);
>    fi;
>    command+=(-b html -d "${dir}"/_build/doctrees "${dir}" "${dir}"/_build/html);
>    echo "${command[@]}" 1>&2;
>    "${command[@]}" || die;
>    HTML_DOCS+=("${dir}/_build/html/.")
>}
>clang-fullversion () 
>{ 
>    _clang_fullversion '$1.$2.$3' "$@"
>}
>clang-major-version () 
>{ 
>    _clang_fullversion '$1' "$@"
>}
>clang-micro-version () 
>{ 
>    _clang_fullversion '$3' "$@"
>}
>clang-minor-version () 
>{ 
>    _clang_fullversion '$2' "$@"
>}
>clang-version () 
>{ 
>    _clang_fullversion '$1.$2' "$@"
>}
>create_gcc_env_entry () 
>{ 
>    dodir /etc/env.d/gcc;
>    local gcc_envd_base="/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}";
>    local gcc_specs_file;
>    local gcc_envd_file="${ED}${gcc_envd_base}";
>    if [[ -z $1 ]]; then
>        gcc_specs_file="";
>    else
>        gcc_envd_file+="-$1";
>        gcc_specs_file="${LIBPATH}/$1.specs";
>    fi;
>    local ldpaths mosdirs;
>    local mdir mosdir abi ldpath;
>    for abi in $(get_all_abis TARGET);
>    do
>        mdir=$($(XGCC) $(get_abi_CFLAGS ${abi}) --print-multi-directory);
>        ldpath=${LIBPATH};
>        [[ ${mdir} != "." ]] && ldpath+="/${mdir}";
>        ldpaths="${ldpath}${ldpaths:+:${ldpaths}}";
>        mosdir=$($(XGCC) $(get_abi_CFLAGS ${abi}) -print-multi-os-directory);
>        mosdirs="${mosdir}${mosdirs:+:${mosdirs}}";
>    done;
>    cat <<-EOF > ${gcc_envd_file}
>GCC_PATH="${BINPATH}"
>LDPATH="${ldpaths}"
>MANPATH="${DATAPATH}/man"
>INFOPATH="${DATAPATH}/info"
>STDCXX_INCDIR="${STDCXX_INCDIR##*/}"
>CTARGET="${CTARGET}"
>GCC_SPECS="${gcc_specs_file}"
>MULTIOSDIRS="${mosdirs}"
>EOF
>
>}
>create_revdep_rebuild_entry () 
>{ 
>    local revdep_rebuild_base="/etc/revdep-rebuild/05cross-${CTARGET}-${GCC_CONFIG_VER}";
>    local revdep_rebuild_file="${ED}${revdep_rebuild_base}";
>    is_crosscompile || return 0;
>    dodir /etc/revdep-rebuild;
>    cat <<-EOF > "${revdep_rebuild_file}"
># Generated by ${CATEGORY}/${PF}
># Ignore libraries built for ${CTARGET}, https://bugs.gentoo.org/692844.
>SEARCH_DIRS_MASK="${LIBPATH}"
>EOF
>
>}
>do_gcc_config () 
>{ 
>    if ! should_we_gcc_config; then
>        gcc-config --use-old --force;
>        return 0;
>    fi;
>    local current_gcc_config target;
>    current_gcc_config=$(gcc-config -c ${CTARGET} 2> /dev/null);
>    if [[ -n ${current_gcc_config} ]]; then
>        local current_specs use_specs;
>        current_specs=$(gcc-config -S ${current_gcc_config} | awk '{print $3}');
>        [[ -n ${current_specs} ]] && use_specs=-${current_specs};
>        if [[ -n ${use_specs} ]] && [[ ! -e ${EROOT}/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}${use_specs} ]]; then
>            ewarn "The currently selected specs-specific gcc config,";
>            ewarn "${current_specs}, doesn't exist anymore. This is usually";
>            ewarn "due to enabling/disabling hardened or switching to a version";
>            ewarn "of gcc that doesn't create multiple specs files. The default";
>            ewarn "config will be used, and the previous preference forgotten.";
>            use_specs="";
>        fi;
>        target="${CTARGET}-${GCC_CONFIG_VER}${use_specs}";
>    else
>        target=$(gcc-config -l 2> /dev/null | grep " ${CTARGET}-[0-9]" | tail -1 | awk '{print $2}');
>    fi;
>    gcc-config "${target}"
>}
>do_gcc_gentoo_patches () 
>{ 
>    if ! use vanilla; then
>        if [[ -n ${PATCH_VER} || -d "${WORKDIR}"/patch ]]; then
>            einfo "Applying Gentoo patches ...";
>            eapply "${WORKDIR}"/patch/*.patch;
>            BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION} p${PATCH_VER}";
>        fi;
>        if [[ -n ${MUSL_VER} || -d "${WORKDIR}"/musl ]] && [[ ${CTARGET} == *musl* ]]; then
>            if [[ ${CATEGORY} == cross-* ]]; then
>                if [[ -d "${WORKDIR}"/musl/nocross ]]; then
>                    rm -fv "${WORKDIR}"/musl/nocross/*.patch || die;
>                else
>                    mkdir -p "${WORKDIR}"/musl/nocross || die;
>                fi;
>            fi;
>            local shopt_save=$(shopt -p nullglob);
>            shopt -s nullglob;
>            einfo "Applying musl patches ...";
>            eapply "${WORKDIR}"/musl/{,nocross/}*.patch;
>            ${shopt_save};
>        fi;
>    fi
>}
>downgrade_arch_flags () 
>{ 
>    local arch bver i isa myarch mytune rep ver;
>    bver=${1:-${GCC_BRANCH_VER}};
>    tc_version_is_at_least ${bver} $(gcc-version) || return 0;
>    [[ $(tc-arch) != amd64 && $(tc-arch) != x86 ]] && return 0;
>    myarch=$(get-flag march);
>    mytune=$(get-flag mtune);
>    [[ ${mytune} == intel ]] && ! tc_version_is_at_least 4.9 ${bver} && replace-cpu-flags intel generic;
>    [[ ${mytune} == x86-64 ]] && filter-flags '-mtune=*';
>    local archlist=(12.3 znver4 znver3 10 znver3 znver2 9 znver2 znver1 4.9 bdver4 bdver3 4.9 bonnell atom 4.9 broadwell core-avx2 4.9 haswell core-avx2 4.9 ivybridge core-avx-i 4.9 nehalem corei7 4.9 sandybridge corei7-avx 4.9 silvermont corei7 4.9 westmere corei7 4.8 bdver3 bdver2 4.8 btver2 btver1 4.7 bdver2 bdver1 4.7 core-avx2 core-avx-i 4.6 bdver1 amdfam10 4.6 btver1 amdfam10 4.6 core-avx-i core2 4.6 corei7 core2 4.6 corei7-avx core2 4.5 atom core2 4.3 amdfam10 k8 4.3 athlon64-sse3 k8 4.3 barcelona k8 4.3 core2 nocona 4.3 geode k6-2 4.3 k8-sse3 k8 4.3 opteron-sse3 k8);
>    for ((i = 0; i < ${#archlist[@]}; i += 3))
>    do
>        myarch=$(get-flag march);
>        mytune=$(get-flag mtune);
>        ver=${archlist[i]};
>        arch=${archlist[i + 1]};
>        rep=${archlist[i + 2]};
>        [[ ${myarch} != ${arch} && ${mytune} != ${arch} ]] && continue;
>        if ! tc_version_is_at_least ${ver} ${bver}; then
>            einfo "Downgrading '${myarch}' (added in gcc ${ver}) with '${rep}'...";
>            [[ ${myarch} == ${arch} ]] && replace-cpu-flags ${myarch} ${rep};
>            [[ ${mytune} == ${arch} ]] && replace-cpu-flags ${mytune} ${rep};
>            continue;
>        else
>            break;
>        fi;
>    done;
>    local isalist=(4.9 -mno-sha 4.9 -mno-avx512pf 4.9 -mno-avx512f 4.9 -mno-avx512er 4.9 -mno-avx512cd 4.8 -mno-xsaveopt 4.8 -mno-xsave 4.8 -mno-rtm 4.8 -mno-fxsr 4.7 -mno-lzcnt 4.7 -mno-bmi2 4.7 -mno-avx2 4.6 -mno-tbm 4.6 -mno-rdrnd 4.6 -mno-fsgsbase 4.6 -mno-f16c 4.6 -mno-bmi 4.5 -mno-xop 4.5 -mno-movbe 4.5 -mno-lwp 4.5 -mno-fma4 4.4 -mno-pclmul 4.4 -mno-fma 4.4 -mno-avx 4.4 -mno-aes 4.3 -mno-ssse3 4.3 -mno-sse4a 4.3 -mno-sse4 4.3 -mno-sse4.2 4.3 -mno-sse4.1 4.3 -mno-popcnt 4.3 -mno-abm);
>    for ((i = 0; i < ${#isalist[@]}; i += 2))
>    do
>        ver=${isalist[i]};
>        isa=${isalist[i + 1]};
>        tc_version_is_at_least ${ver} ${bver} || filter-flags ${isa} ${isa/-m/-mno-};
>    done
>}
>eapply () 
>{ 
>    local failed patch_cmd=patch;
>    local -x LC_COLLATE=POSIX;
>    type -P gpatch > /dev/null && patch_cmd=gpatch;
>    function _eapply_patch () 
>    { 
>        local f=${1};
>        local prefix=${2};
>        ebegin "${prefix:-Applying }${f##*/}";
>        local all_opts=(-p1 -f -g0 --no-backup-if-mismatch "${patch_options[@]}");
>        if ${patch_cmd} "${all_opts[@]}" --dry-run -s -F0 < "${f}" &> /dev/null; then
>            all_opts+=(-s -F0);
>        fi;
>        ${patch_cmd} "${all_opts[@]}" < "${f}";
>        failed=${?};
>        if ! eend "${failed}"; then
>            __helpers_die "patch -p1 ${patch_options[*]} failed with ${f}";
>        fi
>    };
>    local patch_options=() files=();
>    local i found_doublehyphen;
>    for ((i = 1; i <= ${#@}; ++i ))
>    do
>        if [[ ${@:i:1} == -- ]]; then
>            patch_options=("${@:1:i-1}");
>            files=("${@:i+1}");
>            found_doublehyphen=1;
>            break;
>        fi;
>    done;
>    if [[ -z ${found_doublehyphen} ]]; then
>        for ((i = 1; i <= ${#@}; ++i ))
>        do
>            if [[ ${@:i:1} != -* ]]; then
>                patch_options=("${@:1:i-1}");
>                files=("${@:i}");
>                break;
>            fi;
>        done;
>        for i in "${files[@]}";
>        do
>            if [[ ${i} == -* ]]; then
>                die "eapply: all options must be passed before non-options";
>            fi;
>        done;
>    fi;
>    if [[ ${#files[@]} -eq 0 ]]; then
>        die "eapply: no files specified";
>    fi;
>    local f;
>    for f in "${files[@]}";
>    do
>        if [[ -d ${f} ]]; then
>            function _eapply_get_files () 
>            { 
>                local LC_ALL=POSIX;
>                local prev_shopt=$(shopt -p nullglob);
>                shopt -s nullglob;
>                local f;
>                for f in "${1}"/*;
>                do
>                    if [[ ${f} == *.diff || ${f} == *.patch ]]; then
>                        files+=("${f}");
>                    fi;
>                done;
>                ${prev_shopt}
>            };
>            local files=();
>            _eapply_get_files "${f}";
>            [[ ${#files[@]} -eq 0 ]] && die "No *.{patch,diff} files in directory ${f}";
>            einfo "Applying patches from ${f} ...";
>            local f2;
>            for f2 in "${files[@]}";
>            do
>                _eapply_patch "${f2}" '  ';
>                [[ ${failed} -ne 0 ]] && return "${failed}";
>            done;
>        else
>            _eapply_patch "${f}";
>            [[ ${failed} -ne 0 ]] && return "${failed}";
>        fi;
>    done;
>    return 0
>}
>eapply_user () 
>{ 
>    [[ ${EBUILD_PHASE} == prepare ]] || die "eapply_user() called during invalid phase: ${EBUILD_PHASE}";
>    local tagfile=${T}/.portage_user_patches_applied;
>    [[ -f ${tagfile} ]] && return;
>    >> "${tagfile}";
>    local basedir=${PORTAGE_CONFIGROOT%/}/etc/portage/patches;
>    local columns=${COLUMNS:-0};
>    [[ ${columns} == 0 ]] && columns=$(set -- $( ( stty size < /dev/tty ) 2> /dev/null || echo 24 80); echo $2);
>    (( columns > 0 )) || (( columns = 80 ));
>    local applied d f;
>    local -A _eapply_user_patches;
>    local prev_shopt=$(shopt -p nullglob);
>    shopt -s nullglob;
>    for d in "${basedir}"/${CATEGORY}/{${P}-${PR},${P},${PN}}{:${SLOT%/*},};
>    do
>        for f in "${d}"/*;
>        do
>            if [[ ( ${f} == *.diff || ${f} == *.patch ) && -z ${_eapply_user_patches[${f##*/}]} ]]; then
>                _eapply_user_patches[${f##*/}]=${f};
>            fi;
>        done;
>    done;
>    if [[ ${#_eapply_user_patches[@]} -gt 0 ]]; then
>        while read -r -d '' f; do
>            f=${_eapply_user_patches[${f}]};
>            if [[ -s ${f} ]]; then
>                if [[ -z ${applied} ]]; then
>                    einfo "${PORTAGE_COLOR_INFO}$(for ((column = 0; column < ${columns} - 3; column++))
>do
>    echo -n =;
>done)${PORTAGE_COLOR_NORMAL}";
>                    einfo "Applying user patches from ${basedir} ...";
>                fi;
>                eapply "${f}";
>                applied=1;
>            fi;
>        done < <(printf -- '%s\0' "${!_eapply_user_patches[@]}" | LC_ALL=C sort -z);
>    fi;
>    ${prev_shopt};
>    if [[ -n ${applied} ]]; then
>        einfo "User patches applied.";
>        einfo "${PORTAGE_COLOR_INFO}$(for ((column = 0; column < ${columns} - 3; column++))
>do
>    echo -n =;
>done)${PORTAGE_COLOR_NORMAL}";
>    fi
>}
>econf_build () 
>{ 
>    local CBUILD=${CBUILD:-${CHOST}};
>    function econf_env () 
>    { 
>        CHOST=${CBUILD} econf "$@"
>    };
>    tc-env_build econf_env "$@"
>}
>edo () 
>{ 
>    einfo "$@";
>    "$@" || die -n "Failed to run command: $@"
>}
>edob () 
>{ 
>    ebegin "Running $@";
>    "$@";
>    eend $? || die -n "Failed to run command: $@"
>}
>einstalldocs () 
>{ 
>    ( if [[ $(declare -p DOCS 2> /dev/null) != *=* ]]; then
>        local d;
>        for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS FAQ CREDITS CHANGELOG;
>        do
>            [[ -f ${d} && -s ${d} ]] && docinto / && dodoc "${d}";
>        done;
>    else
>        if ___is_indexed_array_var DOCS; then
>            [[ ${#DOCS[@]} -gt 0 ]] && docinto / && dodoc -r "${DOCS[@]}";
>        else
>            [[ -n ${DOCS} ]] && docinto / && dodoc -r ${DOCS};
>        fi;
>    fi );
>    ( if ___is_indexed_array_var HTML_DOCS; then
>        [[ ${#HTML_DOCS[@]} -gt 0 ]] && docinto html && dodoc -r "${HTML_DOCS[@]}";
>    else
>        [[ -n ${HTML_DOCS} ]] && docinto html && dodoc -r ${HTML_DOCS};
>    fi )
>}
>elibtoolize () 
>{ 
>    type -P eltpatch &> /dev/null || die "eltpatch not found; is app-portage/elt-patches installed?";
>    ELT_LOGDIR=${T} LD=$(tc-getLD) eltpatch "${@}" || die "eltpatch failed"
>}
>eprefixify () 
>{ 
>    [[ $# -lt 1 ]] && die "at least one argument required";
>    einfo "Adjusting to prefix ${EPREFIX:-/}";
>    local x;
>    for x in "$@";
>    do
>        if [[ -e ${x} ]]; then
>            ebegin "  ${x##*/}";
>            sed -i -e "s|@GENTOO_PORTAGE_EPREFIX@|${EPREFIX}|g" "${x}";
>            eend $? || die "failed to eprefixify ${x}";
>        else
>            die "${x} does not exist";
>        fi;
>    done;
>    return 0
>}
>epytest () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_check_EPYTHON;
>    _python_check_occluded_packages;
>    local color=yes;
>    [[ -n ${NO_COLOR} ]] && color=no;
>    local args=(-vv -ra -l -Wdefault -Werror::pytest.PytestUnhandledCoroutineWarning "--color=${color}" -o console_output_style=count -o tmp_path_retention_count=0 -o tmp_path_retention_policy=failed);
>    if [[ ! -n ${PYTEST_DISABLE_PLUGIN_AUTOLOAD} ]]; then
>        args+=(-p no:cov -p no:flake8 -p no:flakes -p no:pylint -p no:markdown -p no:sugar -p no:xvfb -p no:pytest-describe -p no:plus -p no:tavern -p no:salt-factories);
>    fi;
>    if [[ -n ${EPYTEST_TIMEOUT} ]]; then
>        if [[ ${PYTEST_PLUGINS} != *pytest_timeout* ]]; then
>            args+=(-p timeout);
>        fi;
>        args+=("--timeout=${EPYTEST_TIMEOUT}");
>    fi;
>    if [[ -n ${EPYTEST_XDIST} ]]; then
>        local jobs=${EPYTEST_JOBS:-$(makeopts_jobs)};
>        if [[ ${jobs} -gt 1 ]]; then
>            if [[ ${PYTEST_PLUGINS} != *xdist.plugin* ]]; then
>                args+=(-p xdist);
>            fi;
>            args+=(-n "${jobs}" --dist=worksteal);
>        fi;
>    fi;
>    local x;
>    for x in "${EPYTEST_DESELECT[@]}";
>    do
>        args+=(--deselect "${x}");
>    done;
>    for x in "${EPYTEST_IGNORE[@]}";
>    do
>        args+=(--ignore "${x}");
>    done;
>    set -- "${EPYTHON}" -m pytest "${args[@]}" "${@}";
>    echo "${@}" 1>&2;
>    "${@}" || die -n "pytest failed with ${EPYTHON}";
>    local ret=${?};
>    rm -rf .hypothesis .pytest_cache || die;
>    if [[ -n ${BUILD_DIR} && -d ${BUILD_DIR} ]]; then
>        find "${BUILD_DIR}" -name '*-pytest-*.pyc' -delete || die;
>    fi;
>    return ${ret}
>}
>eunittest () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_check_EPYTHON;
>    _python_check_occluded_packages;
>    local runner=unittest;
>    if _python_impl_matches "${EPYTHON}" 3.{9..11}; then
>        runner=unittest_or_fail;
>    fi;
>    set -- "${EPYTHON}" -m "${runner}" discover -v "${@}";
>    echo "${@}" 1>&2;
>    "${@}" || die -n "Tests failed with ${EPYTHON}";
>    return ${?}
>}
>filter-flags () 
>{ 
>    _filter-hardened "$@";
>    local v;
>    for v in $(all-flag-vars);
>    do
>        _filter-var ${v} "$@";
>    done;
>    return 0
>}
>filter-ldflags () 
>{ 
>    _filter-var LDFLAGS "$@";
>    return 0
>}
>filter-lfs-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments";
>    filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_TIME_BITS=64
>}
>filter-lto () 
>{ 
>    [[ $# -ne 0 ]] && die "filter-lto takes no arguments";
>    filter-flags '-flto*' -fwhole-program-vtables '-fsanitize=cfi*'
>}
>filter-mfpmath () 
>{ 
>    local orig_mfpmath new_math prune_math;
>    orig_mfpmath=$(get-flag -mfpmath);
>    new_math=$(get-flag mfpmath);
>    new_math=${new_math/both/387,sse};
>    new_math=" ${new_math//[,+]/ } ";
>    prune_math="";
>    for prune_math in "$@";
>    do
>        new_math=${new_math/ ${prune_math} / };
>    done;
>    new_math=$(echo ${new_math});
>    new_math=${new_math// /,};
>    if [[ -z ${new_math} ]]; then
>        filter-flags ${orig_mfpmath};
>    else
>        replace-flags ${orig_mfpmath} -mfpmath=${new_math};
>    fi;
>    return 0
>}
>fix_libtool_libdir_paths () 
>{ 
>    local libpath="$1";
>    pushd "${D}" > /dev/null || die;
>    pushd "./${libpath}" > /dev/null || die;
>    local dir="${PWD#${D%/}}";
>    local allarchives=$(echo *.la);
>    allarchives="$${allarchives// /\\|}$";
>    popd > /dev/null || die;
>    find "./${dir}" -maxdepth 1 -name '*.la' -exec sed -i -e "/^libdir=/s:=.*:='${dir}':" {} + || die;
>    find "./${PREFIX}"/lib* -maxdepth 3 -name '*.la' -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die;
>    find "./${dir}/" -maxdepth 1 -name '*.la' -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die;
>    popd > /dev/null || die
>}
>gcc-abi-map () 
>{ 
>    local map=();
>    case ${CTARGET} in 
>        mips*)
>            map=("o32 32" "n32 n32" "n64 64")
>        ;;
>        riscv*)
>            map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32")
>        ;;
>        x86_64*)
>            map=("amd64 m64" "x86 m32" "x32 mx32")
>        ;;
>    esac;
>    local m;
>    for m in "${map[@]}";
>    do
>        l=(${m});
>        [[ $1 == ${l[0]} ]] && echo ${l[1]} && break;
>    done
>}
>gcc-fullversion () 
>{ 
>    _gcc_fullversion '$1.$2.$3' "$@"
>}
>gcc-lang-supported () 
>{ 
>    grep ^language=\"${1}\" "${S}"/gcc/*/config-lang.in > /dev/null || return 1;
>    [[ -z ${TOOLCHAIN_ALLOWED_LANGS} ]] && return 0;
>    has $1 ${TOOLCHAIN_ALLOWED_LANGS}
>}
>gcc-major-version () 
>{ 
>    _gcc_fullversion '$1' "$@"
>}
>gcc-micro-version () 
>{ 
>    _gcc_fullversion '$3' "$@"
>}
>gcc-minor-version () 
>{ 
>    _gcc_fullversion '$2' "$@"
>}
>gcc-multilib-configure () 
>{ 
>    if ! is_multilib; then
>        confgcc+=(--disable-multilib);
>    else
>        confgcc+=(--enable-multilib);
>    fi;
>    local abi list;
>    for abi in $(get_all_abis TARGET);
>    do
>        local l=$(gcc-abi-map ${abi});
>        [[ -n ${l} ]] && list+=",${l}";
>    done;
>    if [[ -n ${list} ]]; then
>        case ${CTARGET} in 
>            x86_64*)
>                confgcc+=(--with-multilib-list=${list:1})
>            ;;
>        esac;
>    fi
>}
>gcc-specs-directive () 
>{ 
>    local directive subdname subdirective;
>    directive="$(_gcc-specs-directive_raw $1)";
>    while [[ ${directive} == *%$*$* ]]; do
>        subdname=${directive/*%$};
>        subdname=${subdname/$*};
>        subdirective="$(_gcc-specs-directive_raw ${subdname})";
>        directive="${directive//\%(${subdname})/${subdirective}}";
>    done;
>    echo "${directive}";
>    return 0
>}
>gcc-specs-nostrict () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive cc1);
>    [[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]]
>}
>gcc-specs-now () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive link_command);
>    [[ "${directive/\{!nonow:}" != "${directive}" ]]
>}
>gcc-specs-pie () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive cc1);
>    [[ "${directive/\{!nopie:}" != "${directive}" ]]
>}
>gcc-specs-relro () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive link_command);
>    [[ "${directive/\{!norelro:}" != "${directive}" ]]
>}
>gcc-specs-ssp () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive cc1);
>    [[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]]
>}
>gcc-specs-ssp-to-all () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive cc1);
>    [[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]]
>}
>gcc-specs-stack-check () 
>{ 
>    local directive;
>    directive=$(gcc-specs-directive cc1);
>    [[ "${directive/\{!fno-stack-check:}" != "${directive}" ]]
>}
>gcc-version () 
>{ 
>    _gcc_fullversion '$1.$2' "$@"
>}
>gcc_do_filter_flags () 
>{ 
>    if ! _tc_use_if_iuse custom-cflags; then
>        strip-flags;
>        filter-flags '-O?';
>        if [[ ${BUILD_CONFIG_TARGETS[@]} == *bootstrap-O3* ]]; then
>            append-flags '-O3';
>        else
>            append-flags '-O2';
>        fi;
>    fi;
>    declare -A l1_cache_sizes=();
>    if [[ ${CBUILD} == @(x86_64|i?86)* ]] && [[ ${CFLAGS} == *-march=native* ]] && tc-is-gcc; then
>        local x;
>        local l1_cache_size;
>        for x in $(seq 0 $(($(nproc)-1)));
>        do
>            [[ -z ${x} || ${x} -gt 64 ]] && break;
>            l1_cache_size=$(taskset --cpu-list ${x} $(tc-getCC) -Q --help=params -O2 -march=native | awk '{ if ($1 ~ /^.*param.*l1-cache-size/) print $2; }' || die);
>            [[ -n ${l1_cache_size} && ${l1_cache_size} =~ ^[0-9]+$ ]] || break;
>            l1_cache_sizes[${l1_cache_size}]=1;
>        done;
>        if [[ ${#l1_cache_sizes[@]} -gt 1 ]]; then
>            eerror "Different values of l1-cache-size detected!";
>            eerror "GCC will fail to bootstrap when comparing files with these flags.";
>            eerror "This CPU is likely big.little/hybrid hardware with power/efficiency cores.";
>            eerror "Please install app-misc/resolve-march-native and run 'resolve-march-native'";
>            eerror "to find a safe value of CFLAGS for this CPU. Note that this may vary";
>            eerror "depending on the core it ran on. taskset can be used to fix the cores used.";
>            die "Varying l1-cache-size found, aborting (bug #915389, gcc PR#111768)";
>        fi;
>    fi;
>    if ver_test -lt 13.6; then
>        filter-flags -fharden-compares -fharden-conditional-branches -fharden-control-flow-redundancy -fno-harden-control-flow-redundancy -fhardcfr-skip-leaf -fhardcfr-check-exceptions -fhardcfr-check-returning-calls '-fhardcfr-check-noreturn-calls=*';
>        filter-flags -Walloc-size;
>    else
>        append-flags $(test-flags-CC -fno-harden-control-flow-redundancy);
>    fi;
>    filter-lto;
>    filter-flags '-mabi*' -m31 -m32 -m64;
>    filter-flags -frecord-gcc-switches;
>    filter-flags -mno-rtm -mno-htm;
>    filter-flags '-fsanitize=*';
>    case $(tc-arch) in 
>        amd64 | x86)
>            filter-flags '-mcpu=*'
>        ;;
>        alpha)
>            append-ldflags -Wl,--no-relax
>        ;;
>    esac;
>    strip-unsupported-flags;
>    if is_crosscompile; then
>        CFLAGS="-O2 -pipe";
>        FFLAGS=${CFLAGS};
>        FCFLAGS=${CFLAGS};
>        local VAR="CFLAGS_"${CTARGET//[-.]/_};
>        CXXFLAGS=${!VAR-${CFLAGS}};
>    fi
>}
>gcc_do_make () 
>{ 
>    [[ -n ${1} ]] && GCC_MAKE_TARGET=${1};
>    if is_crosscompile || tc-is-cross-compiler; then
>        GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all};
>    else
>        if [[ ${EXTRA_ECONF} == *--disable-bootstrap* ]]; then
>            GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all};
>            ewarn "Disabling bootstrapping. ONLY recommended for development.";
>            ewarn "This is NOT a safe configuration for end users!";
>            ewarn "This compiler may not be safe or reliable for production use!";
>        else
>            if _tc_use_if_iuse pgo; then
>                GCC_MAKE_TARGET=${GCC_MAKE_TARGET-profiledbootstrap};
>            else
>                GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap-lean};
>            fi;
>        fi;
>    fi;
>    local emakeargs=(LDFLAGS="${LDFLAGS}" LIBPATH="${LIBPATH}");
>    if is_crosscompile; then
>        BOOT_CFLAGS=${BOOT_CFLAGS-"-O2"};
>        emakeargs+=(BOOT_CFLAGS="${BOOT_CFLAGS}");
>    else
>        local abi_ldflags="$(get_abi_LDFLAGS ${TARGET_DEFAULT_ABI})";
>        if [[ -n ${abi_ldflags} ]]; then
>            printf -v abi_ldflags -- "-Wl,%s " ${abi_ldflags};
>        fi;
>        if ! tc-is-gcc || ver_test $(gcc-fullversion) -lt 10; then
>            STAGE1_CFLAGS="-O0";
>        fi;
>        STAGE1_CFLAGS=${STAGE1_CFLAGS-"$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS}"};
>        STAGE1_LDFLAGS=${STAGE1_LDFLAGS-"${abi_ldflags} ${LDFLAGS}"};
>        BOOT_CFLAGS=${BOOT_CFLAGS-"$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS}"};
>        BOOT_LDFLAGS=${BOOT_LDFLAGS-"${abi_ldflags} ${LDFLAGS}"};
>        LDFLAGS_FOR_TARGET="${LDFLAGS_FOR_TARGET:-${LDFLAGS}}";
>        emakeargs+=(STAGE1_CFLAGS="${STAGE1_CFLAGS}" STAGE1_LDFLAGS="${STAGE1_LDFLAGS}" BOOT_CFLAGS="${BOOT_CFLAGS}" BOOT_LDFLAGS="${BOOT_LDFLAGS}" LDFLAGS_FOR_TARGET="${LDFLAGS_FOR_TARGET}");
>    fi;
>    if is_jit; then
>        einfo "Building JIT";
>        emake -C "${WORKDIR}"/build-jit "${emakeargs[@]}";
>    fi;
>    einfo "Compiling ${PN} (${GCC_MAKE_TARGET})...";
>    pushd "${WORKDIR}"/build > /dev/null || die;
>    emake "${emakeargs[@]}" ${GCC_MAKE_TARGET};
>    if is_ada; then
>        ln -s gcc ../build/prev-gcc || die;
>        ln -s ${CHOST} ../build/prev-${CHOST} || die;
>        emake -C gcc gnatlib-shared;
>        emake -C gcc gnattools;
>    fi;
>    if ! is_crosscompile && _tc_use_if_iuse cxx && _tc_use_if_iuse doc; then
>        if type -p doxygen > /dev/null; then
>            cd "${CTARGET}"/libstdc++-v3/doc || die;
>            emake doc-man-doxygen;
>            find -name '*_build_*' -delete || die;
>            find -name '*_.3' -exec grep -l ' Directory Reference ' {} + | xargs rm -f;
>        else
>            ewarn "Skipping libstdc++ manpage generation since you don't have doxygen installed";
>        fi;
>    fi;
>    popd > /dev/null || die
>}
>gcc_movelibs () 
>{ 
>    if is_crosscompile; then
>        dodir "${HOSTLIBPATH#${EPREFIX}}";
>        mv "${ED}"/usr/$(get_libdir)/libcc1* "${D}${HOSTLIBPATH}" || die;
>    fi;
>    if [[ ${PWD} == "${WORKDIR}"/build-jit ]] && is_jit; then
>        dodir "${LIBPATH#${EPREFIX}}";
>        mv "${ED}"/usr/lib/libgccjit* "${D}${LIBPATH}" || die;
>    fi;
>    local x multiarg removedirs="";
>    for multiarg in $($(XGCC) -print-multi-lib);
>    do
>        multiarg=${multiarg#*;};
>        multiarg=${multiarg//@/ -};
>        local OS_MULTIDIR=$($(XGCC) ${multiarg} --print-multi-os-directory);
>        local MULTIDIR=$($(XGCC) ${multiarg} --print-multi-directory);
>        local TODIR="${D}${LIBPATH}"/${MULTIDIR};
>        local FROMDIR=;
>        [[ -d ${TODIR} ]] || mkdir -p ${TODIR};
>        for FROMDIR in "${LIBPATH}"/${OS_MULTIDIR} "${LIBPATH}"/../${MULTIDIR} "${PREFIX}"/lib/${OS_MULTIDIR} "${PREFIX}"/${CTARGET}/lib/${OS_MULTIDIR};
>        do
>            removedirs="${removedirs} ${FROMDIR}";
>            FROMDIR=${D}${FROMDIR};
>            if [[ ${FROMDIR} != "${TODIR}" && -d ${FROMDIR} ]]; then
>                local files=$(find "${FROMDIR}" -maxdepth 1 ! -type d 2> /dev/null || die);
>                if [[ -n ${files} ]]; then
>                    mv ${files} "${TODIR}" || die;
>                fi;
>            fi;
>        done;
>        fix_libtool_libdir_paths "${LIBPATH}/${MULTIDIR}";
>    done;
>    for FROMDIR in ${removedirs};
>    do
>        rmdir "${D}"${FROMDIR} >&/dev/null;
>    done;
>    find -depth "${ED}" -type d -exec rmdir {} + >&/dev/null
>}
>gen_usr_ldscript () 
>{ 
>    ewarn "${FUNCNAME}: Please migrate to usr-ldscript.eclass";
>    local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname);
>    [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/;
>    tc-is-static-only && return;
>    if [[ $(type -t multilib_is_native_abi) == "function" ]]; then
>        multilib_is_native_abi || return 0;
>    fi;
>    case ${CTARGET:-${CHOST}} in 
>        *-darwin*)
>
>        ;;
>        *-android*)
>            return 0
>        ;;
>        *linux*)
>            use prefix && return 0
>        ;;
>        *)
>            return 0
>        ;;
>    esac;
>    dodir /usr/${libdir};
>    if [[ $1 == "-a" ]]; then
>        auto=true;
>        shift;
>        dodir /${libdir};
>    fi;
>    local flags=(${CFLAGS} ${LDFLAGS} -Wl,--verbose);
>    if $(tc-getLD) --version | grep -q 'GNU gold'; then
>        local d="${T}/bfd-linker";
>        mkdir -p "${d}";
>        ln -sf $(type -P ${CHOST}-ld.bfd) "${d}"/ld;
>        flags+=(-B"${d}");
>    fi;
>    output_format=$($(tc-getCC) "${flags[@]}" 2>&1 | sed -n 's/^OUTPUT_FORMAT("$[^"]*$",.*/\1/p');
>    [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )";
>    for lib in "$@";
>    do
>        local tlib;
>        if ${auto}; then
>            lib="lib${lib}${suffix}";
>        else
>            [[ -r ${ED}/${libdir}/${lib} ]] || continue;
>        fi;
>        case ${CTARGET:-${CHOST}} in 
>            *-darwin*)
>                if ${auto}; then
>                    tlib=$(scanmacho -qF'%S#F' "${ED}"/usr/${libdir}/${lib});
>                else
>                    tlib=$(scanmacho -qF'%S#F' "${ED}"/${libdir}/${lib});
>                fi;
>                [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}";
>                tlib=${tlib##*/};
>                if ${auto}; then
>                    mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die;
>                    if [[ ${tlib} != ${lib%${suffix}}.*${suffix#.} ]]; then
>                        mv "${ED}"/usr/${libdir}/${tlib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die;
>                    fi;
>                    rm -f "${ED}"/${libdir}/${lib};
>                fi;
>                if [[ ! -w "${ED}/${libdir}/${tlib}" ]]; then
>                    chmod u+w "${ED}${libdir}/${tlib}";
>                    local nowrite=yes;
>                fi;
>                install_name_tool -id "${EPREFIX}"/${libdir}/${tlib} "${ED}"/${libdir}/${tlib} || die "install_name_tool failed";
>                [[ -n ${nowrite} ]] && chmod u-w "${ED}${libdir}/${tlib}";
>                pushd "${ED}/usr/${libdir}" > /dev/null;
>                ln -snf "../../${libdir}/${tlib}" "${lib}";
>                popd > /dev/null
>            ;;
>            *)
>                if ${auto}; then
>                    tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib});
>                    [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}";
>                    mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die;
>                    if [[ ${tlib} != ${lib}* ]]; then
>                        mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die;
>                    fi;
>                    rm -f "${ED}"/${libdir}/${lib};
>                else
>                    tlib=${lib};
>                fi;
>                cat > "${ED}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
>/* GNU ld script
>   Since Gentoo has critical dynamic libraries in /lib, and the static versions
>   in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
>   run into linking problems.  This "fake" dynamic lib is a linker script that
>   redirects the linker to the real lib.  And yes, this works in the cross-
>   compiling scenario as the sysroot-ed linker will prepend the real path.
>
>   See bug https://bugs.gentoo.org/4411 for more info.
> */
>${output_format}
>GROUP ( ${EPREFIX}/${libdir}/${tlib} )
>END_LDSCRIPT
>
>            ;;
>        esac
>        fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}";
>    done
>}
>gentoo_urls () 
>{ 
>    declare -A devspace_urls=([soap]=HTTP~soap/distfiles/URI [sam]=HTTP~sam/distfiles/sys-devel/gcc/URI [slyfox]=HTTP~sam/distfiles/URI [xen0n]=HTTP~xen0n/distfiles/sys-devel/gcc/URI [tamiko]=HTTP~tamiko/distfiles/URI [zorry]=HTTP~zorry/patches/gcc/URI [vapier]=HTTP~vapier/dist/URI [blueness]=HTTP~blueness/dist/URI);
>    if [[ -n ${TOOLCHAIN_PATCH_DEV} ]]; then
>        local devspace_url=${devspace_urls[${TOOLCHAIN_PATCH_DEV}]};
>        if [[ -n ${devspace_url} ]]; then
>            local devspace_url_exp=${devspace_url//HTTP/https:\/\/dev.gentoo.org\/};
>            devspace_url_exp=${devspace_url_exp//URI/$1};
>            echo ${devspace_url_exp};
>            return;
>        fi;
>    fi;
>    local devspace="
>		HTTP~soap/distfiles/URI
>		HTTP~sam/distfiles/URI
>		HTTP~sam/distfiles/sys-devel/gcc/URI
>		HTTP~tamiko/distfiles/URI
>		HTTP~zorry/patches/gcc/URI
>		HTTP~vapier/dist/URI
>		HTTP~blueness/dist/URI
>	";
>    devspace=${devspace//HTTP/https:\/\/dev.gentoo.org\/};
>    echo ${devspace//URI/$1} mirror://gentoo/$1
>}
>get-flag () 
>{ 
>    [[ $# -ne 1 ]] && die "usage: <flag>";
>    local f var findflag="$1";
>    for var in $(all-flag-vars);
>    do
>        for f in ${!var};
>        do
>            if [ "${f/${findflag}}" != "${f}" ]; then
>                printf "%s\n" "${f/-${findflag}=}";
>                return 0;
>            fi;
>        done;
>    done;
>    return 1
>}
>get_abi_CFLAGS () 
>{ 
>    get_abi_var CFLAGS "$@"
>}
>get_abi_CHOST () 
>{ 
>    get_abi_var CHOST "$@"
>}
>get_abi_CTARGET () 
>{ 
>    get_abi_var CTARGET "$@"
>}
>get_abi_FAKE_TARGETS () 
>{ 
>    get_abi_var FAKE_TARGETS "$@"
>}
>get_abi_LDFLAGS () 
>{ 
>    get_abi_var LDFLAGS "$@"
>}
>get_abi_LIBDIR () 
>{ 
>    get_abi_var LIBDIR "$@"
>}
>get_abi_var () 
>{ 
>    local flag=$1;
>    local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}};
>    local var="${flag}_${abi}";
>    echo ${!var}
>}
>get_all_abis () 
>{ 
>    local x order="" mvar dvar;
>    mvar="MULTILIB_ABIS";
>    dvar="DEFAULT_ABI";
>    if [[ -n $1 ]]; then
>        mvar="$1_${mvar}";
>        dvar="$1_${dvar}";
>    fi;
>    if [[ -z ${!mvar} ]]; then
>        echo "default";
>        return 0;
>    fi;
>    for x in ${!mvar};
>    do
>        if [[ ${x} != ${!dvar} ]]; then
>            order="${order:+${order} }${x}";
>        fi;
>    done;
>    order="${order:+${order} }${!dvar}";
>    echo ${order};
>    return 0
>}
>get_all_libdirs () 
>{ 
>    local libdirs abi;
>    for abi in ${MULTILIB_ABIS};
>    do
>        libdirs+=" $(get_abi_LIBDIR ${abi})";
>    done;
>    [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib";
>    echo "${libdirs}"
>}
>get_exeext () 
>{ 
>    case ${CHOST} in 
>        mingw* | *-mingw*)
>            echo ".exe"
>        ;;
>    esac
>}
>get_gcc_src_uri () 
>{ 
>    export PATCH_GCC_VER=${PATCH_GCC_VER:-${GCC_RELEASE_VER}};
>    export MUSL_GCC_VER=${MUSL_GCC_VER:-${PATCH_GCC_VER}};
>    if tc_is_live; then
>        :;
>    else
>        if [[ -n ${GCC_TARBALL_SRC_URI} ]]; then
>            GCC_SRC_URI="${GCC_TARBALL_SRC_URI}";
>        else
>            if [[ -n ${SNAPSHOT} ]]; then
>                GCC_SRC_URI="mirror://gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.xz";
>            else
>                GCC_SRC_URI="
>			mirror://gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.xz
>			mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.xz
>		";
>            fi;
>        fi;
>    fi;
>    [[ -n ${PATCH_VER} ]] && GCC_SRC_URI+=" $(gentoo_urls gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX})";
>    [[ -n ${MUSL_VER} ]] && GCC_SRC_URI+=" $(gentoo_urls gcc-${MUSL_GCC_VER}-musl-patches-${MUSL_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX})";
>    GCC_SRC_URI+=" test? ( https://gitweb.gentoo.org/proj/gcc-patches.git/plain/scripts/testsuite-management/validate_failures.py?id=${GCC_VALIDATE_FAILURES_VERSION} -> ${PN}-validate-failures-${GCC_VALIDATE_FAILURES_VERSION}.py )";
>    echo "${GCC_SRC_URI}"
>}
>get_install_abis () 
>{ 
>    local x order="";
>    if [[ -z ${MULTILIB_ABIS} ]]; then
>        echo "default";
>        return 0;
>    fi;
>    if [[ ${EMULTILIB_PKG} == "true" ]]; then
>        for x in ${MULTILIB_ABIS};
>        do
>            if [[ ${x} != "${DEFAULT_ABI}" ]]; then
>                has ${x} ${ABI_DENY} || order="${order} ${x}";
>            fi;
>        done;
>        has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}";
>        if [[ -n ${ABI_ALLOW} ]]; then
>            local ordera="";
>            for x in ${order};
>            do
>                if has ${x} ${ABI_ALLOW}; then
>                    ordera="${ordera} ${x}";
>                fi;
>            done;
>            order=${ordera};
>        fi;
>    else
>        order=${DEFAULT_ABI};
>    fi;
>    if [[ -z ${order} ]]; then
>        die "The ABI list is empty.  Are you using a proper multilib profile?  Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package.";
>    fi;
>    echo ${order};
>    return 0
>}
>get_libdir () 
>{ 
>    local libdir_var="LIBDIR_${ABI}";
>    local libdir="lib";
>    [[ -n ${ABI} && -n ${!libdir_var} ]] && libdir=${!libdir_var};
>    echo "${libdir}"
>}
>get_libname () 
>{ 
>    local libname;
>    local ver=$1;
>    case ${CHOST} in 
>        mingw* | *-mingw*)
>            libname="dll"
>        ;;
>        *-darwin*)
>            libname="dylib"
>        ;;
>        *)
>            libname="so"
>        ;;
>    esac;
>    if [[ -z $* ]]; then
>        echo ".${libname}";
>    else
>        for ver in "$@";
>        do
>            case ${CHOST} in 
>                *-darwin*)
>                    echo ".${ver}.${libname}"
>                ;;
>                *)
>                    echo ".${libname}.${ver}"
>                ;;
>            esac;
>        done;
>    fi
>}
>get_make_var () 
>{ 
>    local var=$1 makefile=${2:-${WORKDIR}/build/Makefile};
>    echo -e "e:\\n\\t@echo \$(${var})\\ninclude ${makefile}" | r=${makefile%/*} emake --no-print-directory -s -f - 2> /dev/null
>}
>get_makeopts_jobs () 
>{ 
>    makeopts_jobs "$(_get_all_makeopts)" "${1:-1}"
>}
>get_makeopts_loadavg () 
>{ 
>    makeopts_loadavg "$(_get_all_makeopts)" "${1:-999}"
>}
>get_modname () 
>{ 
>    local modname;
>    local ver=$1;
>    case ${CHOST} in 
>        *-darwin*)
>            modname="bundle"
>        ;;
>        *)
>            modname="so"
>        ;;
>    esac;
>    echo ".${modname}"
>}
>get_nproc () 
>{ 
>    local nproc;
>    if type -P nproc &> /dev/null; then
>        nproc=$(nproc);
>    fi;
>    if [[ -z ${nproc} ]] && type -P sysctl &> /dev/null; then
>        nproc=$(sysctl -n hw.ncpu 2> /dev/null);
>    fi;
>    if [[ -z ${nproc} ]] && type -P python &> /dev/null; then
>        nproc=$(python -c 'import multiprocessing; print(multiprocessing.cpu_count());' 2> /dev/null);
>    fi;
>    if [[ -n ${nproc} ]]; then
>        echo "${nproc}";
>    else
>        echo "${1:-1}";
>    fi
>}
>gnuconfig_do_update () 
>{ 
>    local configsubs_dir target targetlist file;
>    [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update";
>    configsubs_dir=$(gnuconfig_findnewest);
>    einfo "Using GNU config files from ${configsubs_dir}";
>    for file in "$@";
>    do
>        if [[ ! -r ${configsubs_dir}/${file} ]]; then
>            eerror "Can't read ${configsubs_dir}/${file}, skipping..";
>            continue;
>        fi;
>        targetlist=$(find "${startdir}" -name "${file}");
>        if [[ -n ${targetlist} ]]; then
>            for target in ${targetlist};
>            do
>                [[ -L ${target} ]] && rm -f "${target}";
>                ebegin "  Updating ${target/$startdir\//}";
>                cp -f "${configsubs_dir}/${file}" "${target}";
>                eend $? || die;
>            done;
>        else
>            ewarn "  No ${file} found in ${startdir}, skipping ...";
>        fi;
>    done;
>    return 0
>}
>gnuconfig_findnewest () 
>{ 
>    local locations=();
>    local prefix;
>    case ${EAPI} in 
>        5 | 6)
>            prefix="${EPREFIX}"
>        ;;
>        *)
>            prefix="${BROOT}"
>        ;;
>    esac;
>    locations+=("${prefix}"/usr/share/misc/config.sub "${prefix}"/usr/share/gnuconfig/config.sub "${prefix}"/usr/share/automake*/config.sub "${prefix}"/usr/share/libtool/config.sub);
>    grep -s '^timestamp' "${locations[@]}" | sort -r -n -t\' -k2 | sed -n '1{s,/config.sub:.*$,,;p;q}'
>}
>gnuconfig_update () 
>{ 
>    local startdir;
>    if [[ $1 == /* ]]; then
>        startdir=$1;
>        shift;
>    else
>        startdir=${S};
>    fi;
>    if [[ $# -gt 0 ]]; then
>        gnuconfig_do_update "$@";
>    else
>        gnuconfig_do_update config.sub config.guess;
>    fi;
>    return $?
>}
>has_multilib_profile () 
>{ 
>    [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
>}
>host-is-pax () 
>{ 
>    grep -qs ^PaX: /proc/self/status
>}
>hprefixify () 
>{ 
>    use prefix || return 0;
>    local xl=() x;
>    while [[ $# -gt 0 ]]; do
>        case $1 in 
>            -e)
>                local PREFIX_EXTRA_REGEX="$2";
>                shift
>            ;;
>            -w)
>                local PREFIX_LINE_MATCH="$2";
>                shift
>            ;;
>            -q)
>                local PREFIX_QUOTE_CHAR="${EPREFIX:+$2}";
>                shift
>            ;;
>            *)
>                xl+=("$1")
>            ;;
>        esac;
>        shift;
>    done;
>    local dirs="/(usr|lib(|[onx]?32|n?64)|etc|bin|sbin|var|opt|run)" eprefix="${PREFIX_QUOTE_CHAR}${EPREFIX}${PREFIX_QUOTE_CHAR}";
>    [[ ${#xl[@]} -lt 1 ]] && die "at least one file operand is required";
>    einfo "Adjusting to prefix ${EPREFIX:-/}";
>    for x in "${xl[@]}";
>    do
>        if [[ -e ${x} ]]; then
>            ebegin "  ${x##*/}";
>            sed -r -e "${PREFIX_LINE_MATCH}s,([^[:alnum:]}\)\.])${dirs},\1${eprefix}/\2,g" -e "${PREFIX_LINE_MATCH}s,^${dirs},${eprefix}/\1," -e "${PREFIX_EXTRA_REGEX}" -i "${x}";
>            eend $? || die "failed to prefixify ${x}";
>        else
>            die "${x} does not exist";
>        fi;
>    done
>}
>in_iuse () 
>{ 
>    local use=${1};
>    if [[ -z "${use}" ]]; then
>        echo "!!! in_iuse() called without a parameter." 1>&2;
>        echo "!!! in_iuse <USEFLAG>" 1>&2;
>        die "in_iuse() called without a parameter";
>    fi;
>    local liuse=(${IUSE_EFFECTIVE});
>    has "${use}" "${liuse[@]#[+-]}"
>}
>is-flag () 
>{ 
>    is-flagq "$@" && echo true
>}
>is-flagq () 
>{ 
>    [[ -n $2 ]] && die "Usage: is-flag <flag>";
>    local var;
>    for var in $(all-flag-vars);
>    do
>        _is_flagq ${var} "$1" && return 0;
>    done;
>    return 1
>}
>is-ldflag () 
>{ 
>    is-ldflagq "$@" && echo true
>}
>is-ldflagq () 
>{ 
>    [[ -n $2 ]] && die "Usage: is-ldflag <flag>";
>    _is_flagq LDFLAGS $1
>}
>is_ada () 
>{ 
>    gcc-lang-supported ada || return 1;
>    _tc_use_if_iuse ada
>}
>is_crosscompile () 
>{ 
>    [[ ${CHOST} != ${CTARGET} ]]
>}
>is_cxx () 
>{ 
>    gcc-lang-supported 'c++' || return 1;
>    _tc_use_if_iuse cxx
>}
>is_d () 
>{ 
>    gcc-lang-supported d || return 1;
>    _tc_use_if_iuse d
>}
>is_f77 () 
>{ 
>    gcc-lang-supported f77 || return 1;
>    _tc_use_if_iuse fortran
>}
>is_f95 () 
>{ 
>    gcc-lang-supported f95 || return 1;
>    _tc_use_if_iuse fortran
>}
>is_final_abi () 
>{ 
>    has_multilib_profile || return 0;
>    set -- $(get_install_abis);
>    local LAST_ABI=$#;
>    [[ ${!LAST_ABI} == ${ABI} ]]
>}
>is_fortran () 
>{ 
>    gcc-lang-supported fortran || return 1;
>    _tc_use_if_iuse fortran
>}
>is_go () 
>{ 
>    gcc-lang-supported go || return 1;
>    _tc_use_if_iuse cxx && _tc_use_if_iuse go
>}
>is_jit () 
>{ 
>    gcc-lang-supported jit || return 1;
>    is_crosscompile && return 1;
>    _tc_use_if_iuse jit
>}
>is_modula2 () 
>{ 
>    gcc-lang-supported m2 || return 1;
>    _tc_use_if_iuse cxx && _tc_use_if_iuse modula2
>}
>is_multilib () 
>{ 
>    _tc_use_if_iuse multilib
>}
>is_objc () 
>{ 
>    gcc-lang-supported objc || return 1;
>    _tc_use_if_iuse objc
>}
>is_objcxx () 
>{ 
>    gcc-lang-supported 'obj-c++' || return 1;
>    _tc_use_if_iuse cxx && _tc_use_if_iuse objc++
>}
>is_rust () 
>{ 
>    gcc-lang-supported rust || return 1;
>    _tc_use_if_iuse rust
>}
>list-paxables () 
>{ 
>    file "$@" 2> /dev/null | grep -E 'ELF.*(executable|shared object)' | sed -e 's/: .*$//'
>}
>makeopts_jobs () 
>{ 
>    [[ $# -eq 0 ]] && set -- "$(_get_all_makeopts)";
>    local jobs=$(echo " $* " | sed -r -n -e 's:.*[[:space:]](-[a-z]*j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' -e "s:.*[[:space:]](-[a-z]*j|--jobs)[[:space:]].*:${2:-$(( $(get_nproc) + 1 ))}:p");
>    echo ${jobs:-1}
>}
>makeopts_loadavg () 
>{ 
>    [[ $# -eq 0 ]] && set -- "$(_get_all_makeopts)";
>    local lavg=$(echo " $* " | sed -r -n -e 's:.*[[:space:]](-[a-z]*l|--(load-average|max-load)[=[:space:]])[[:space:]]*([0-9]+(\.[0-9]+)?)[[:space:]].*:\3:p' -e "s:.*[[:space:]](-[a-z]*l|--(load-average|max-load))[[:space:]].*:${2:-999}:p");
>    echo ${lavg:-${2:-999}}
>}
>multilib_env () 
>{ 
>    local CTARGET=${1:-${CTARGET}};
>    local cpu=${CTARGET%%*-};
>    if [[ ${CTARGET} = *-musl* ]]; then
>        : "${MULTILIB_ABIS=default}";
>        : "${DEFAULT_ABI=default}";
>        export MULTILIB_ABIS DEFAULT_ABI;
>        return;
>    fi;
>    case ${cpu} in 
>        aarch64*)
>            export CFLAGS_arm=${CFLAGS_arm-};
>            case ${cpu} in 
>                aarch64*be)
>                    export CHOST_arm="armv8b-${CTARGET#*-}"
>                ;;
>                *)
>                    export CHOST_arm="armv8l-${CTARGET#*-}"
>                ;;
>            esac;
>            CHOST_arm=${CHOST_arm/%-gnu/-gnueabi};
>            export CTARGET_arm=${CHOST_arm};
>            export LIBDIR_arm="lib";
>            export CFLAGS_arm64=${CFLAGS_arm64-};
>            export CHOST_arm64=${CTARGET};
>            export CTARGET_arm64=${CHOST_arm64};
>            export LIBDIR_arm64="lib64";
>            : "${MULTILIB_ABIS=arm64}";
>            : "${DEFAULT_ABI=arm64}"
>        ;;
>        x86_64*)
>            export CFLAGS_x86=${CFLAGS_x86--m32};
>            export CHOST_x86=${CTARGET/x86_64/i686};
>            CHOST_x86=${CHOST_x86/%-gnux32/-gnu};
>            export CTARGET_x86=${CHOST_x86};
>            if [[ ${SYMLINK_LIB} == "yes" ]]; then
>                export LIBDIR_x86="lib32";
>            else
>                export LIBDIR_x86="lib";
>            fi;
>            export CFLAGS_amd64=${CFLAGS_amd64--m64};
>            export CHOST_amd64=${CTARGET/%-gnux32/-gnu};
>            export CTARGET_amd64=${CHOST_amd64};
>            export LIBDIR_amd64="lib64";
>            export CFLAGS_x32=${CFLAGS_x32--mx32};
>            export CHOST_x32=${CTARGET/%-gnu/-gnux32};
>            export CTARGET_x32=${CHOST_x32};
>            export LIBDIR_x32="libx32";
>            case ${CTARGET} in 
>                *-gnux32)
>                    : "${MULTILIB_ABIS=x32 amd64 x86}";
>                    : "${DEFAULT_ABI=x32}"
>                ;;
>                *)
>                    : "${MULTILIB_ABIS=amd64 x86}";
>                    : "${DEFAULT_ABI=amd64}"
>                ;;
>            esac
>        ;;
>        loongarch64*)
>            export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d};
>            export CHOST_lp64d=${CTARGET};
>            export CTARGET_lp64d=${CTARGET};
>            export LIBDIR_lp64d=${LIBDIR_lp64d-lib64};
>            : "${MULTILIB_ABIS=lp64d}";
>            : "${DEFAULT_ABI=lp64d}"
>        ;;
>        mips64* | mipsisa64*)
>            export CFLAGS_o32=${CFLAGS_o32--mabi=32};
>            export CHOST_o32=${CTARGET/mips64/mips};
>            export CHOST_o32=${CHOST_o32/mipsisa64/mipsisa32};
>            export CTARGET_o32=${CHOST_o32};
>            export LIBDIR_o32="lib";
>            export CFLAGS_n32=${CFLAGS_n32--mabi=n32};
>            export CHOST_n32=${CTARGET};
>            export CTARGET_n32=${CHOST_n32};
>            export LIBDIR_n32="lib32";
>            export CFLAGS_n64=${CFLAGS_n64--mabi=64};
>            export CHOST_n64=${CTARGET};
>            export CTARGET_n64=${CHOST_n64};
>            export LIBDIR_n64="lib64";
>            : "${MULTILIB_ABIS=n64 n32 o32}";
>            : "${DEFAULT_ABI=n32}"
>        ;;
>        powerpc64*)
>            export CFLAGS_ppc=${CFLAGS_ppc--m32};
>            export CHOST_ppc=${CTARGET/powerpc64/powerpc};
>            export CTARGET_ppc=${CHOST_ppc};
>            export LIBDIR_ppc="lib";
>            export CFLAGS_ppc64=${CFLAGS_ppc64--m64};
>            export CHOST_ppc64=${CTARGET};
>            export CTARGET_ppc64=${CHOST_ppc64};
>            export LIBDIR_ppc64="lib64";
>            : "${MULTILIB_ABIS=ppc64 ppc}";
>            : "${DEFAULT_ABI=ppc64}"
>        ;;
>        riscv64*)
>            : "${MULTILIB_ABIS=lp64d lp64 ilp32d ilp32}";
>            : "${DEFAULT_ABI=lp64d}";
>            local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}";
>            local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable};
>            export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib64};
>            export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d -march=rv64gc};
>            export CHOST_lp64d=${CTARGET};
>            export CTARGET_lp64d=${CTARGET};
>            export LIBDIR_lp64d=${LIBDIR_lp64d-lib64/lp64d};
>            export CFLAGS_lp64=${CFLAGS_lp64--mabi=lp64 -march=rv64imac};
>            export CHOST_lp64=${CTARGET};
>            export CTARGET_lp64=${CTARGET};
>            export LIBDIR_lp64=${LIBDIR_lp64-lib64/lp64};
>            export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc};
>            export CHOST_ilp32d=${CTARGET/riscv64/riscv32};
>            export CTARGET_ilp32d=${CTARGET/riscv64/riscv32};
>            export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d};
>            export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac};
>            export CHOST_ilp32=${CTARGET/riscv64/riscv32};
>            export CTARGET_ilp32=${CTARGET/riscv64/riscv32};
>            export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
>        ;;
>        riscv32*)
>            : "${MULTILIB_ABIS=ilp32d ilp32}";
>            : "${DEFAULT_ABI=ilp32d}";
>            local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}";
>            local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable};
>            export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib};
>            export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc};
>            export CHOST_ilp32d=${CTARGET};
>            export CTARGET_ilp32d=${CTARGET};
>            export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d};
>            export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac};
>            export CHOST_ilp32=${CTARGET};
>            export CTARGET_ilp32=${CTARGET};
>            export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
>        ;;
>        s390x*)
>            export CFLAGS_s390=${CFLAGS_s390--m31};
>            export CHOST_s390=${CTARGET/s390x/s390};
>            export CTARGET_s390=${CHOST_s390};
>            export LIBDIR_s390="lib";
>            export CFLAGS_s390x=${CFLAGS_s390x--m64};
>            export CHOST_s390x=${CTARGET};
>            export CTARGET_s390x=${CHOST_s390x};
>            export LIBDIR_s390x="lib64";
>            : "${MULTILIB_ABIS=s390x s390}";
>            : "${DEFAULT_ABI=s390x}"
>        ;;
>        sparc64*)
>            export CFLAGS_sparc32=${CFLAGS_sparc32--m32};
>            export CHOST_sparc32=${CTARGET/sparc64/sparc};
>            export CTARGET_sparc32=${CHOST_sparc32};
>            export LIBDIR_sparc32="lib";
>            export CFLAGS_sparc64=${CFLAGS_sparc64--m64};
>            export CHOST_sparc64=${CTARGET};
>            export CTARGET_sparc64=${CHOST_sparc64};
>            export LIBDIR_sparc64="lib64";
>            : "${MULTILIB_ABIS=sparc64 sparc32}";
>            : "${DEFAULT_ABI=sparc64}"
>        ;;
>        *)
>            : "${MULTILIB_ABIS=default}";
>            : "${DEFAULT_ABI=default}"
>        ;;
>    esac;
>    export MULTILIB_ABIS DEFAULT_ABI
>}
>multilib_toolchain_setup () 
>{ 
>    local v vv;
>    export ABI=$1;
>    local save_restore_variables=(CBUILD CHOST AR CC CXX F77 FC LD NM OBJCOPY OBJDUMP PKG_CONFIG RANLIB READELF STRINGS STRIP PKG_CONFIG_LIBDIR PKG_CONFIG_PATH PKG_CONFIG_SYSTEM_INCLUDE_PATH PKG_CONFIG_SYSTEM_LIBRARY_PATH);
>    if [[ ${_DEFAULT_ABI_SAVED} == "true" ]]; then
>        for v in "${save_restore_variables[@]}";
>        do
>            vv="_abi_saved_${v}";
>            [[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v};
>            unset ${vv};
>        done;
>        unset _DEFAULT_ABI_SAVED;
>    fi;
>    if [[ ${ABI} != ${DEFAULT_ABI} ]]; then
>        for v in "${save_restore_variables[@]}";
>        do
>            vv="_abi_saved_${v}";
>            [[ ${!v+set} == "set" ]] && export ${vv}="${!v}" || unset ${vv};
>        done;
>        export _DEFAULT_ABI_SAVED="true";
>        if [[ ${CBUILD} == "${CHOST}" ]]; then
>            export CBUILD=$(get_abi_CHOST $1);
>        fi;
>        export CHOST=$(get_abi_CHOST ${DEFAULT_ABI});
>        export AR="$(tc-getAR)";
>        export CC="$(tc-getCC) $(get_abi_CFLAGS)";
>        export CXX="$(tc-getCXX) $(get_abi_CFLAGS)";
>        export F77="$(tc-getF77) $(get_abi_CFLAGS)";
>        export FC="$(tc-getFC) $(get_abi_CFLAGS)";
>        export LD="$(tc-getLD) $(get_abi_LDFLAGS)";
>        export NM="$(tc-getNM)";
>        export OBJCOPY="$(tc-getOBJCOPY)";
>        export OBJDUMP="$(tc-getOBJDUMP)";
>        export PKG_CONFIG="$(tc-getPKG_CONFIG)";
>        export RANLIB="$(tc-getRANLIB)";
>        export READELF="$(tc-getREADELF)";
>        export STRINGS="$(tc-getSTRINGS)";
>        export STRIP="$(tc-getSTRIP)";
>        export CHOST=$(get_abi_CHOST $1);
>        export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig;
>        export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig;
>        export PKG_CONFIG_SYSTEM_INCLUDE_PATH=${EPREFIX}/usr/include;
>        export PKG_CONFIG_SYSTEM_LIBRARY_PATH=${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir);
>    fi
>}
>no-as-needed () 
>{ 
>    [[ $# -ne 0 ]] && die "no-as-needed takes no arguments";
>    case $($(tc-getLD) -v 2>&1 < /dev/null) in 
>        *GNU*)
>            echo "-Wl,--no-as-needed"
>        ;;
>    esac
>}
>number_abis () 
>{ 
>    set -- `get_install_abis`;
>    echo $#
>}
>pax-mark () 
>{ 
>    local f;
>    local flags;
>    local ret=0;
>    flags="${1//[!zPpEeMmRrSs]}";
>    [[ -n "${flags}" ]] || return 0;
>    shift;
>    local dodefault="";
>    [[ -n "${flags//[!z]}" ]] && dodefault="yes";
>    if has PT ${PAX_MARKINGS}; then
>        for f in "$@";
>        do
>            if type -p paxctl > /dev/null; then
>                einfo "PT_PAX marking -${flags} ${f} with paxctl";
>                paxctl -q${flags} "${f}" > /dev/null 2>&1 && continue;
>            fi;
>            if type -p paxctl-ng > /dev/null && paxctl-ng -L; then
>                einfo "PT_PAX marking -${flags} ${f} with paxctl-ng";
>                flags="${flags//z}";
>                [[ ${dodefault} == "yes" ]] && paxctl-ng -L -z "${f}" > /dev/null 2>&1;
>                [[ -n "${flags}" ]] || continue;
>                paxctl-ng -L -${flags} "${f}" > /dev/null 2>&1 && continue;
>            fi;
>            if type -p scanelf > /dev/null && [[ ${PAX_MARKINGS} != "none" ]]; then
>                einfo "PT_PAX marking -${flags} ${f} with scanelf";
>                scanelf -Xxz ${flags} "$f" > /dev/null 2>&1;
>            else
>                if [[ ${PAX_MARKINGS} != "none" ]]; then
>                    elog "Failed to set PT_PAX markings -${flags} ${f}.";
>                    ret=1;
>                fi;
>            fi;
>        done;
>    fi;
>    if has XT ${PAX_MARKINGS}; then
>        flags="${flags//z}";
>        for f in "$@";
>        do
>            if type -p paxctl-ng > /dev/null && paxctl-ng -l; then
>                einfo "XATTR_PAX marking -${flags} ${f} with paxctl-ng";
>                [[ ${dodefault} == "yes" ]] && paxctl-ng -d "${f}" > /dev/null 2>&1;
>                [[ -n "${flags}" ]] || continue;
>                paxctl-ng -l -${flags} "${f}" > /dev/null 2>&1 && continue;
>            fi;
>            if type -p setfattr > /dev/null; then
>                [[ -n "${flags//[!Ee]}" ]] || flags+="e";
>                einfo "XATTR_PAX marking -${flags} ${f} with setfattr";
>                [[ ${dodefault} == "yes" ]] && setfattr -x "user.pax.flags" "${f}" > /dev/null 2>&1;
>                setfattr -n "user.pax.flags" -v "${flags}" "${f}" > /dev/null 2>&1 && continue;
>            fi;
>            if [[ ${PAX_MARKINGS} != "none" ]]; then
>                elog "Failed to set XATTR_PAX markings -${flags} ${f}.";
>                ret=1;
>            fi;
>        done;
>    fi;
>    return ${ret}
>}
>pkg_nofetch () 
>{ 
>    default
>}
>pkg_postinst () 
>{ 
>    toolchain_pkg_postinst;
>    einfo "This provide the GNAT compiler with gcc for ada/c/c++ and more";
>    einfo "The compiler binary is ${CTARGET}-gcc-${TOOLCHAIN_GCC_PV}";
>    einfo "Even if the c/c++ compilers are using almost the same patched";
>    einfo "source as the sys-devel/gcc package its use is not extensively";
>    einfo "tested, and not supported for updating your system, except for ada";
>    einfo "related packages"
>}
>pkg_postrm () 
>{ 
>    toolchain_pkg_postrm "$@"
>}
>pkg_preinst () 
>{ 
>    toolchain_pkg_preinst "$@"
>}
>pkg_pretend () 
>{ 
>    toolchain_pkg_pretend;
>    if tc-is-clang; then
>        die "${P} does not build with clang. It is bootstrapped.";
>    fi
>}
>pkg_setup () 
>{ 
>    toolchain_pkg_setup "$@"
>}
>post_src_install () 
>{ 
>    ( if grep -E -q 'internal compiler error' "${WORKDIR}"/*/config.log &> /dev/null; then
>        echo "${CATEGORY}/${PF}: Found ICE in config.log?!";
>    fi;
>    if [[ -f "${S}"/meson.build ]] && ! grep -q "dev-build/meson" <<< "${BDEPEND}"; then
>        echo "${CATEGORY}/${PF}: meson.build found but ebuild doesn't use meson?";
>    fi;
>    if grep -r -q "dejagnu" "${S}" &> /dev/null && ! grep -q "dejagnu" <<< "${BDEPEND}"; then
>        echo "${CATEGORY}/${PF}: Missing dejagnu tests?";
>    fi;
>    if grep -r -q "test" "${S}/meson_options.txt" &> /dev/null && ! grep -q "test" <<< "${IUSE}"; then
>        echo "${CATEGORY}/${PF}: Missing test option wiring for meson?";
>    fi;
>    if grep -E -r -q -- "(disable|enable|with(out)?)-(unit)?test(s?)" configure.ac &> /dev/null && ! grep -q "test" <<< "${IUSE}"; then
>        echo "${CATEGORY}/${PF}: Missing test option wiring for autoconf?";
>    fi;
>    if grep -E -r -q -- "(disable|enable)-valgrind" configure.ac &> /dev/null && ! grep -q "valgrind" <<< "${IUSE}"; then
>        echo "${CATEGORY}/${PF}: Missing valgrind option wiring for autoconf?";
>    fi;
>    if grep -r -q "valgrind" "${S}/meson_options.txt" &> /dev/null && ! grep -q "valgrind" <<< "${IUSE}"; then
>        echo "${CATEGORY}/${PF}: Missing valgrind option wiring for meson?";
>    fi;
>    if grep -E -r -q -- "(disable|enable)-fuzz" configure.ac &> /dev/null && ! grep -q "fuzz" <<< "${EBUILD}"; then
>        echo "${CATEGORY}/${PF}: Missing fuzz option wiring for autoconf?";
>    fi;
>    if grep -r -q "fuzz" "${S}/meson_options.txt" &> /dev/null && ! grep -q "fuzz" <<< "${EBUILD}"; then
>        echo "${CATEGORY}/${PF}: Missing fuzz option wiring for meson?";
>    fi ) &>> /var/tmp/sam.txt
>}
>prefixify_ro () 
>{ 
>    if [[ -e $1 ]]; then
>        local f=${1##*/};
>        cp "$1" "${T}" || die "failed to copy file";
>        local x="${T}"/${f};
>        if grep -qs @GENTOO_PORTAGE_EPREFIX@ "${x}"; then
>            eprefixify "${T}"/${f} 1>&2;
>        else
>            hprefixify "${T}"/${f} 1>&2;
>        fi;
>        echo "${x}";
>    else
>        die "$1 does not exist";
>    fi
>}
>python-any-r1_pkg_setup () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${MERGE_TYPE} != binary ]] && python_setup
>}
>python_doexe () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
>    local f;
>    for f in "$@";
>    do
>        python_newexe "${f}" "${f##*/}";
>    done
>}
>python_doheader () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
>    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
>    local includedir=$(python_get_includedir);
>    local d=${includedir#${ESYSROOT}};
>    ( insopts -m 0644;
>    insinto "${d}";
>    doins -r "${@}" || return ${?} )
>}
>python_domodule () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
>    local d;
>    if [[ ${_PYTHON_MODULEROOT} == /* ]]; then
>        d=${_PYTHON_MODULEROOT};
>    else
>        local sitedir=$(python_get_sitedir);
>        d=${sitedir#${EPREFIX}}/${_PYTHON_MODULEROOT//.//};
>    fi;
>    if [[ ${EBUILD_PHASE} == install ]]; then
>        ( insopts -m 0644;
>        insinto "${d}";
>        doins -r "${@}" || return ${?} );
>        python_optimize "${ED%/}/${d}";
>    else
>        if [[ -n ${BUILD_DIR} ]]; then
>            local dest=${BUILD_DIR}/install${EPREFIX}/${d};
>            mkdir -p "${dest}" || die;
>            cp -pR "${@}" "${dest}/" || die;
>            ( cd "${dest}" && chmod -R a+rX "${@##*/}" ) || die;
>        else
>            die "${FUNCNAME} can only be used in src_install or with BUILD_DIR set";
>        fi;
>    fi
>}
>python_doscript () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
>    local _PYTHON_REWRITE_SHEBANG=1;
>    python_doexe "${@}"
>}
>python_export_utf8_locale () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    type locale &> /dev/null || return 0;
>    if [[ $(locale charmap) != UTF-8 ]]; then
>        local lang locales="C.UTF-8 en_US.UTF-8 en_GB.UTF-8 $(locale -a)";
>        for lang in ${locales};
>        do
>            if [[ $(LC_ALL=${lang} locale charmap 2> /dev/null) == UTF-8 ]]; then
>                if _python_check_locale_sanity "${lang}"; then
>                    export LC_CTYPE=${lang};
>                    if [[ -n ${LC_ALL} ]]; then
>                        export LC_NUMERIC=${LC_ALL};
>                        export LC_TIME=${LC_ALL};
>                        export LC_COLLATE=${LC_ALL};
>                        export LC_MONETARY=${LC_ALL};
>                        export LC_MESSAGES=${LC_ALL};
>                        export LC_PAPER=${LC_ALL};
>                        export LC_NAME=${LC_ALL};
>                        export LC_ADDRESS=${LC_ALL};
>                        export LC_TELEPHONE=${LC_ALL};
>                        export LC_MEASUREMENT=${LC_ALL};
>                        export LC_IDENTIFICATION=${LC_ALL};
>                        export LC_ALL=;
>                    fi;
>                    return 0;
>                fi;
>            fi;
>        done;
>        ewarn "Could not find a UTF-8 locale. This may trigger build failures in";
>        ewarn "some python packages. Please ensure that a UTF-8 locale is listed in";
>        ewarn "/etc/locale.gen and run locale-gen.";
>        return 1;
>    fi;
>    return 0
>}
>python_fix_shebang () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ -n ${EPYTHON} ]] || die "${FUNCNAME}: EPYTHON unset (pkg_setup not called?)";
>    local force quiet;
>    while [[ -n ${@} ]]; do
>        case "${1}" in 
>            -f | --force)
>                force=1;
>                shift
>            ;;
>            -q | --quiet)
>                quiet=1;
>                shift
>            ;;
>            --)
>                shift;
>                break
>            ;;
>            *)
>                break
>            ;;
>        esac;
>    done;
>    [[ -n ${1} ]] || die "${FUNCNAME}: no paths given";
>    local path f;
>    for path in "$@";
>    do
>        local any_fixed is_recursive;
>        [[ -d ${path} ]] && is_recursive=1;
>        while IFS= read -r -d '' f; do
>            local shebang i;
>            local error= match=;
>            IFS= read -r shebang < "${f}";
>            if [[ ${shebang} == '#!'* ]]; then
>                local split_shebang=();
>                read -r -a split_shebang <<< ${shebang#"#!"} || die;
>                local in_path=${split_shebang[0]};
>                local from='^#! *[^ ]*';
>                if [[ ${in_path} == */env ]]; then
>                    in_path=${split_shebang[1]};
>                    from+=' *[^ ]*';
>                fi;
>                case ${in_path##*/} in 
>                    "${EPYTHON}")
>                        match=1
>                    ;;
>                    python | python3)
>                        match=1
>                    ;;
>                    python2 | python[23].[0-9] | python3.[1-9][0-9] | pypy | pypy3 | jython[23].[0-9])
>                        match=1;
>                        error=1
>                    ;;
>                esac;
>            fi;
>            [[ -n ${force} ]] && error=;
>            if [[ ! -n ${match} ]]; then
>                [[ -n ${is_recursive} ]] && continue;
>                error=1;
>            fi;
>            if [[ ! -n ${quiet} ]]; then
>                einfo "Fixing shebang in ${f#${D%/}}.";
>            fi;
>            if [[ ! -n ${error} ]]; then
>                debug-print "${FUNCNAME}: in file ${f#${D%/}}";
>                debug-print "${FUNCNAME}: rewriting shebang: ${shebang}";
>                sed -i -e "1s@${from}@#!${EPREFIX}/usr/bin/${EPYTHON}@" "${f}" || die;
>                any_fixed=1;
>            else
>                eerror "The file has incompatible shebang:";
>                eerror "  file: ${f#${D%/}}";
>                eerror "  current shebang: ${shebang}";
>                eerror "  requested impl: ${EPYTHON}";
>                die "${FUNCNAME}: conversion of incompatible shebang requested";
>            fi;
>        done < <(find -H "${path}" -type f -print0 || die);
>        if [[ ! -n ${any_fixed} ]]; then
>            eerror "QA error: ${FUNCNAME}, ${path#${D%/}} did not match any fixable files.";
>            eerror "There are no Python files in specified directory.";
>            die "${FUNCNAME} did not match any fixable files";
>        fi;
>    done
>}
>python_gen_any_dep () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local depstr=${1};
>    [[ -n ${depstr} ]] || die "No dependency string provided";
>    local i PYTHON_PKG_DEP out=;
>    for i in "${_PYTHON_SUPPORTED_IMPLS[@]}";
>    do
>        local PYTHON_USEDEP="python_targets_${i}(-)";
>        local PYTHON_SINGLE_USEDEP="python_single_target_${i}(-)";
>        _python_export "${i}" PYTHON_PKG_DEP;
>        local i_depstr=${depstr//\$\{PYTHON_USEDEP\}/${PYTHON_USEDEP}};
>        i_depstr=${i_depstr//\$\{PYTHON_SINGLE_USEDEP\}/${PYTHON_SINGLE_USEDEP}};
>        out="( ${PYTHON_PKG_DEP%:=} ${i_depstr} ) ${out}";
>    done;
>    echo "|| ( ${out})"
>}
>python_get_CFLAGS () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_CFLAGS;
>    echo "${PYTHON_CFLAGS}"
>}
>python_get_LIBS () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_LIBS;
>    echo "${PYTHON_LIBS}"
>}
>python_get_PYTHON_CONFIG () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_CONFIG;
>    echo "${PYTHON_CONFIG}"
>}
>python_get_includedir () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_INCLUDEDIR;
>    echo "${PYTHON_INCLUDEDIR}"
>}
>python_get_library_path () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_LIBPATH;
>    echo "${PYTHON_LIBPATH}"
>}
>python_get_scriptdir () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_SCRIPTDIR;
>    echo "${PYTHON_SCRIPTDIR}"
>}
>python_get_sitedir () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _python_export "${@}" PYTHON_SITEDIR;
>    echo "${PYTHON_SITEDIR}"
>}
>python_has_version () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local root_arg=(-b);
>    case ${1} in 
>        -b | -d | -r)
>            root_arg=("${1}");
>            shift
>        ;;
>    esac;
>    local pkg;
>    for pkg in "$@";
>    do
>        ebegin "    ${pkg}";
>        has_version "${root_arg[@]}" "${pkg}";
>        eend ${?} || return;
>    done;
>    return 0
>}
>python_moduleinto () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _PYTHON_MODULEROOT=${1}
>}
>python_newexe () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
>    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
>    [[ ${#} -eq 2 ]] || die "Usage: ${FUNCNAME} <path> <new-name>";
>    local wrapd=${_PYTHON_SCRIPTROOT:-/usr/bin};
>    local f=${1};
>    local newfn=${2};
>    local scriptdir=$(python_get_scriptdir);
>    local d=${scriptdir#${EPREFIX}};
>    ( dodir "${wrapd}";
>    exeopts -m 0755;
>    exeinto "${d}";
>    newexe "${f}" "${newfn}" || return ${?} );
>    local dosym=dosym;
>    [[ ${EAPI} == 7 ]] && dosym=dosym8;
>    "${dosym}" -r /usr/lib/python-exec/python-exec2 "${wrapd}/${newfn}";
>    if [[ -n ${_PYTHON_REWRITE_SHEBANG} ]]; then
>        python_fix_shebang -q "${ED%/}/${d}/${newfn}";
>    fi
>}
>python_newscript () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
>    local _PYTHON_REWRITE_SHEBANG=1;
>    python_newexe "${@}"
>}
>python_optimize () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
>    local PYTHON=${PYTHON};
>    [[ -n ${PYTHON} ]] || _python_export PYTHON;
>    [[ -x ${PYTHON} ]] || die "PYTHON (${PYTHON}) is not executable";
>    if [[ ${#} -eq 0 ]]; then
>        local f;
>        while IFS= read -r -d '' f; do
>            if [[ ${f} == /* && -d ${D%/}${f} ]]; then
>                set -- "${D%/}${f}" "${@}";
>            fi;
>        done < <("${PYTHON}" - <<-EOF || 
>import sys
>print("".join(x + "\0" for x in sys.path))
>EOF
> die);
>        debug-print "${FUNCNAME}: using sys.path: ${*/%/;}";
>    fi;
>    local jobs=$(makeopts_jobs);
>    local d;
>    for d in "$@";
>    do
>        local instpath=${d#${D%/}};
>        instpath=/${instpath##/};
>        einfo "Optimize Python modules for ${instpath}";
>        case "${EPYTHON}" in 
>            python3.8)
>                "${PYTHON}" -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}";
>                "${PYTHON}" -O -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}";
>                "${PYTHON}" -OO -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}"
>            ;;
>            python* | pypy3)
>                "${PYTHON}" -m compileall -j "${jobs}" -o 0 -o 1 -o 2 --hardlink-dupes -q -f -d "${instpath}" "${d}"
>            ;;
>            pypy | jython2.7)
>                "${PYTHON}" -m compileall -q -f -d "${instpath}" "${d}"
>            ;;
>            *)
>                die "${FUNCNAME}: unexpected EPYTHON=${EPYTHON}"
>            ;;
>        esac;
>    done
>}
>python_scriptinto () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    _PYTHON_SCRIPTROOT=${1}
>}
>python_setup () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    if [[ -n ${PYTHON_COMPAT_OVERRIDE} ]]; then
>        local impls=(${PYTHON_COMPAT_OVERRIDE});
>        [[ ${#impls[@]} -eq 1 ]] || die "PYTHON_COMPAT_OVERRIDE must name exactly one implementation for python-any-r1";
>        ewarn "WARNING: PYTHON_COMPAT_OVERRIDE in effect. The following Python";
>        ewarn "implementation will be used:";
>        ewarn;
>        ewarn "	${PYTHON_COMPAT_OVERRIDE}";
>        ewarn;
>        ewarn "Dependencies won't be satisfied, and EPYTHON/eselect-python will be ignored.";
>        _python_export "${impls[0]}" EPYTHON PYTHON;
>        _python_wrapper_setup;
>        einfo "Using ${EPYTHON} to build (via PYTHON_COMPAT_OVERRIDE)";
>        return;
>    fi;
>    local epython_impl=${EPYTHON/./_};
>    if [[ -n ${epython_impl} ]]; then
>        if ! has "${epython_impl}" "${_PYTHON_SUPPORTED_IMPLS[@]}"; then
>            if ! has "${epython_impl}" "${_PYTHON_ALL_IMPLS[@]}"; then
>                ewarn "Invalid EPYTHON: ${EPYTHON}";
>            else
>                einfo "EPYTHON (${EPYTHON}) not supported by the package";
>            fi;
>        else
>            if _python_run_check_deps "${epython_impl}"; then
>                _python_export EPYTHON PYTHON;
>                _python_wrapper_setup;
>                einfo "Using ${EPYTHON} to build (via EPYTHON)";
>                return;
>            fi;
>        fi;
>    fi;
>    local i;
>    for ((i = ${#_PYTHON_SUPPORTED_IMPLS[@]} - 1; i >= 0; i-- ))
>    do
>        local impl=${_PYTHON_SUPPORTED_IMPLS[i]};
>        [[ ${impl} == ${epython_impl} ]] && continue;
>        _python_export "${impl}" EPYTHON PYTHON;
>        if _python_run_check_deps "${impl}"; then
>            _python_wrapper_setup;
>            einfo "Using ${EPYTHON} to build (via PYTHON_COMPAT iteration)";
>            return;
>        fi;
>    done;
>    eerror "No Python implementation found for the build. This is usually";
>    eerror "a bug in the ebuild. Please report it to bugs.gentoo.org";
>    eerror "along with the build log.";
>    echo;
>    die "No supported Python implementation installed."
>}
>raw-ldflags () 
>{ 
>    local x input="$@";
>    [[ -z ${input} ]] && input=${LDFLAGS};
>    set --;
>    for x in ${input};
>    do
>        case ${x} in 
>            -Wl,*)
>                x=${x#-Wl,};
>                set -- "$@" ${x//,/ }
>            ;;
>            *)
>
>            ;;
>        esac;
>    done;
>    echo "$@"
>}
>replace-cpu-flags () 
>{ 
>    local newcpu="$#";
>    newcpu="${!newcpu}";
>    while [ $# -gt 1 ]; do
>        replace-flags "-march=${1}" "-march=${newcpu}";
>        replace-flags "-mcpu=${1}" "-mcpu=${newcpu}";
>        replace-flags "-mtune=${1}" "-mtune=${newcpu}";
>        shift;
>    done;
>    return 0
>}
>replace-flags () 
>{ 
>    [[ $# != 2 ]] && die "Usage: replace-flags <old flag> <new flag>";
>    local f var new;
>    for var in $(all-flag-vars);
>    do
>        new=();
>        for f in ${!var};
>        do
>            [[ ${f} == ${1} ]] && f=${2};
>            new+=("${f}");
>        done;
>        export ${var}="${new[*]}";
>    done;
>    return 0
>}
>replace-sparc64-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "replace-sparc64-flags takes no arguments";
>    local SPARC64_CPUS="ultrasparc3 ultrasparc v9";
>    if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
>        for x in ${SPARC64_CPUS};
>        do
>            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}";
>        done;
>    else
>        for x in ${SPARC64_CPUS};
>        do
>            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
>        done;
>    fi;
>    if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
>        for x in ${SPARC64_CPUS};
>        do
>            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}";
>        done;
>    else
>        for x in ${SPARC64_CPUS};
>        do
>            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
>        done;
>    fi;
>    export CFLAGS CXXFLAGS
>}
>setup-allowed-flags () 
>{ 
>    [[ ${EAPI} == [67] ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
>    _setup-allowed-flags "$@"
>}
>setup_multilib_osdirnames () 
>{ 
>    is_multilib || return 0;
>    local config;
>    local libdirs="../lib64 ../lib32";
>    case ${CTARGET} in 
>        x86_64*-linux*)
>            config="i386"
>        ;;
>        powerpc64*-linux*)
>            config="rs6000"
>        ;;
>        sparc64*-linux*)
>            config="sparc"
>        ;;
>        s390x*-linux*)
>            config="s390"
>        ;;
>        *)
>            return 0
>        ;;
>    esac;
>    config+="/t-linux64";
>    local sed_args=();
>    sed_args+=(-e 's:$[(]call if_multiarch[^)]*[)]::g');
>    if [[ ${SYMLINK_LIB} == "yes" ]]; then
>        einfo "Updating multilib directories to be: ${libdirs}";
>        sed_args+=(-e '/^MULTILIB_OSDIRNAMES.*lib32/s:[$][(]if.*):../lib32:');
>    else
>        einfo "Using upstream multilib; disabling lib32 autodetection";
>        sed_args+=(-r -e 's:[$][(]if.*,(.*)[)]:\1:');
>    fi;
>    sed -i "${sed_args[@]}" "${S}"/gcc/config/${config} || die
>}
>should_we_gcc_config () 
>{ 
>    local curr_config;
>    curr_config=$(gcc-config -c ${CTARGET} 2>&1) || return 0;
>    local curr_config_ver=$(gcc-config -S ${curr_config} | awk '{print $2}');
>    local curr_branch_ver=$(ver_cut 1-2 ${curr_config_ver});
>    if tc_use_major_version_only && [[ ${curr_config_ver} == ${GCCMAJOR} ]]; then
>        return 0;
>    else
>        if ! tc_use_major_version_only && [[ ${curr_branch_ver} == ${GCC_BRANCH_VER} ]]; then
>            return 0;
>        else
>            if [[ ${EBUILD_PHASE} == *"inst" ]]; then
>                einfo "The current gcc config appears valid, so it will not be";
>                einfo "automatically switched for you.  If you would like to";
>                einfo "switch to the newly installed gcc version, do the";
>                einfo "following:";
>                echo;
>                einfo "gcc-config ${CTARGET}-${GCC_CONFIG_VER}";
>                einfo "source /etc/profile";
>                echo;
>            fi;
>            return 1;
>        fi;
>    fi
>}
>source_profile () 
>{ 
>    set +u;
>    source /etc/profile;
>    set -u
>}
>declare -fx source_profile
>src_compile () 
>{ 
>    toolchain_src_compile "$@"
>}
>src_configure () 
>{ 
>    export PATH=${PWD}/bin:${PATH};
>    downgrade_arch_flags "$(gcc-version)";
>    toolchain_src_configure
>}
>src_install () 
>{ 
>    toolchain_src_install "$@"
>}
>src_prepare () 
>{ 
>    if use amd64; then
>        BTSTRP=${BTSTRP_AMD64};
>    else
>        BTSTRP=${BTSTRP_X86};
>    fi;
>    if use bootstrap; then
>        GCC="${WORKDIR}"/${BTSTRP}/bin/gcc;
>    else
>        GCC=${ADA:-$(tc-getCC)};
>    fi;
>    gnatbase=$(basename ${GCC});
>    gnatpath=$(dirname ${GCC});
>    GNATMAKE=${gnatbase/gcc/gnatmake};
>    if [[ ${gnatpath} != "." ]]; then
>        GNATMAKE="${gnatpath}/${GNATMAKE}";
>    fi;
>    if ! use bootstrap && [[ -z "$(type ${GNATMAKE} 2> /dev/null)" ]]; then
>        eerror "You need a gcc compiler that provides the Ada Compiler:";
>        eerror "1) use gcc-config to select the right compiler or";
>        eerror "2) set the bootstrap use flag or";
>        eerror "3) set ADA to a working gcc ada compiler";
>        die "ada compiler not available";
>    fi;
>    local bundledchost="";
>    use amd64 && local bundledchost="x86_64";
>    use x86 && local bundledchost="i686";
>    if use bootstrap; then
>        rm "${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/ld || die;
>        ln -s /usr/bin/$CHOST-ld "${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/ld || die;
>        rm "${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/as || die;
>        ln -s /usr/bin/$CHOST-as "${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/as || die;
>    fi;
>    CC=${GCC};
>    CXX="${gnatbase/gcc/g++}";
>    GNATBIND="${gnatbase/gcc/gnatbind}";
>    GNATLINK="${gnatbase/gcc/gnatlink}";
>    GNATLS="${gnatbase/gcc/gnatls}";
>    if [[ ${gnatpath} != "." ]]; then
>        CXX="${gnatpath}/${CXX}";
>        GNATBIND="${gnatpath}/${GNATBIND}";
>        GNATLINK="${gnatpath}/${GNATLINK}";
>        GNATLS="${gnatpath}/${GNATLS}";
>    fi;
>    mkdir bin || die;
>    ln -s $(type -P ${GCC}) bin/gcc || die;
>    ln -s $(type -P ${CXX}) bin/g++ || die;
>    ln -s $(type -P ${GNATMAKE}) bin/gnatmake || die;
>    ln -s $(type -P ${GNATBIND}) bin/gnatbind || die;
>    ln -s $(type -P ${GNATLINK}) bin/gnatlink || die;
>    ln -s $(type -P ${GNATLS}) bin/gnatls || die;
>    ln -s $(type -P ${GCC}) bin/${bundledchost}-pc-linux-gnu-gcc || die;
>    ln -s $(type -P ${CXX}) bin/${bundledchost}-pc-linux-gnu-g++ || die;
>    ln -s $(type -P ${GNATMAKE}) bin/${bundledchost}-pc-linux-gnu-gnatmake || die;
>    ln -s $(type -P ${GNATBIND}) bin/${bundledchost}-pc-linux-gnu-gnatbind || die;
>    ln -s $(type -P ${GNATLINK}) bin/${bundledchost}-pc-linux-gnu-gnatlink || die;
>    ln -s $(type -P ${GNATLS}) bin/${bundledchost}-pc-linux-gnu-gnatls || die;
>    cd ..;
>    mv ${GNATDIR}/src/ada ${MYP}/gcc/ || die;
>    mv ${INTFDIR} ${MYP}/gcc/ada/gcc-interface || die;
>    eapply "${FILESDIR}"/${P}-gentoo.patch;
>    cd -;
>    sed -i -e 's:-fcf-protection":":' libiberty/configure lto-plugin/configure || die;
>    sed -i -e 's:$(P) ::g' gcc/ada/gcc-interface/Makefile.in || die "sed failed";
>    toolchain_src_prepare
>}
>src_test () 
>{ 
>    toolchain_src_test "$@"
>}
>src_unpack () 
>{ 
>    toolchain_src_unpack "$@"
>}
>strip-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "strip-flags takes no arguments";
>    local x y var;
>    local ALLOWED_FLAGS;
>    _setup-allowed-flags;
>    set -f;
>    for var in $(all-flag-vars);
>    do
>        local new=();
>        for x in ${!var};
>        do
>            for y in "${ALLOWED_FLAGS[@]}";
>            do
>                if [[ ${x} == ${y} ]]; then
>                    new+=("${x}");
>                    break;
>                fi;
>            done;
>        done;
>        if _is_flagq ${var} "-O*" && ! _is_flagq new "-O*"; then
>            new+=(-O2);
>        fi;
>        if [[ ${!var} != "${new[*]}" ]]; then
>            einfo "strip-flags: ${var}: changed '${!var}' to '${new[*]}'";
>        fi;
>        export ${var}="${new[*]}";
>    done;
>    set +f;
>    return 0
>}
>strip-unsupported-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "strip-unsupported-flags takes no arguments";
>    export CFLAGS=$(test-flags-CC ${CFLAGS});
>    export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS});
>    export FFLAGS=$(test-flags-F77 ${FFLAGS});
>    export FCFLAGS=$(test-flags-FC ${FCFLAGS});
>    export LDFLAGS=$(test-flags-CCLD ${LDFLAGS})
>}
>syncRepo () 
>{ 
>    cd /var/db/repos/gentoo;
>    local synclog=/var/tmp/tb/sync.log;
>    local curr_time=$EPOCHSECONDS;
>    if ! emaint sync --auto &> $synclog; then
>        if grep -q -e 'git fetch error' -e ': Failed to connect to ' -e ': SSL connection timeout' -e ': Connection timed out' -e 'The requested URL returned error:' $synclog; then
>            return 0;
>        else
>            if ! emaint merges --fix &>> $synclog; then
>                ReachedEOL "broken repo, cannot be fixed" $synclog;
>            else
>                if ! emaint sync --auto &>> $synclog; then
>                    ReachedEOL "broken sync of repo" $synclog;
>                fi;
>            fi;
>        fi;
>    fi;
>    if grep -q -F '* An update to portage is available.' $synclog; then
>        add2backlog "sys-apps/portage";
>    fi;
>    if ! grep -B 1 '=== Sync completed for gentoo' $synclog | grep -q 'Already up to date.'; then
>        git diff --diff-filter="ACM" --name-only "@{ $((EPOCHSECONDS - last_sync + 2 * 3600)) second ago }..@{ 2 hour ago }" 2> /dev/null | grep -F -e '/files/' -e '.ebuild' -e 'Manifest' | cut -f 1-2 -d '/' -s | grep -v -f /mnt/tb/data/IGNORE_PACKAGES | sort -u > /tmp/syncRepo.upd;
>        if [[ -s /tmp/syncRepo.upd ]]; then
>            sort -u /tmp/syncRepo.upd /var/tmp/tb/backlog.upd | shuf > /tmp/backlog.upd;
>            cp /tmp/backlog.upd /var/tmp/tb/backlog.upd;
>        fi;
>    fi;
>    last_sync=$curr_time;
>    cd - > /dev/null
>}
>declare -fx syncRepo
>tc-arch () 
>{ 
>    tc-ninja_magic_to_arch portage "$@"
>}
>tc-arch-kernel () 
>{ 
>    tc-ninja_magic_to_arch kern "$@"
>}
>tc-check-openmp () 
>{ 
>    if ! _tc-has-openmp; then
>        eerror "Your current compiler does not support OpenMP!";
>        if tc-is-gcc; then
>            eerror "Enable OpenMP support by building sys-devel/gcc with USE=\"openmp\".";
>        else
>            if tc-is-clang; then
>                eerror "OpenMP support in sys-devel/clang is provided by sys-libs/libomp.";
>            fi;
>        fi;
>        die "Active compiler does not have required support for OpenMP";
>    fi
>}
>tc-cpp-is-true () 
>{ 
>    local CONDITION=${1};
>    shift;
>    $(tc-getTARGET_CPP) "${@}" -P - <<-EOF > /dev/null 2>&1
>#if ${CONDITION}
>true
>#else
>#error false
>#endif
>EOF
>
>}
>tc-detect-is-softfloat () 
>{ 
>    [[ $(tc-getTARGET_CPP) == "gcc -E" ]] && return 1;
>    case ${CTARGET:-${CHOST}} in 
>        *-newlib | *-elf | *-eabi)
>            return 1
>        ;;
>        arm*)
>            if tc-cpp-is-true "defined(__ARM_PCS_VFP)"; then
>                echo "no";
>            else
>                if tc-cpp-is-true "defined(__SOFTFP__)"; then
>                    echo "yes";
>                else
>                    echo "softfp";
>                fi;
>            fi;
>            return 0
>        ;;
>        *)
>            return 1
>        ;;
>    esac
>}
>tc-enables-cxx-assertions () 
>{ 
>    tc-cpp-is-true "defined(_GLIBCXX_ASSERTIONS) || defined(_LIBCPP_ENABLE_ASSERTIONS) || defined(_LIBCPP_ENABLE_HARDENED_MODE)" ${CPPFLAGS} ${CXXFLAGS}
>}
>tc-enables-fortify-source () 
>{ 
>    tc-cpp-is-true "defined(_FORTIFY_SOURCE)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
>}
>tc-enables-pie () 
>{ 
>    tc-cpp-is-true "defined(__PIE__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
>}
>tc-enables-ssp () 
>{ 
>    tc-cpp-is-true "defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
>}
>tc-enables-ssp-all () 
>{ 
>    tc-cpp-is-true "defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
>}
>tc-enables-ssp-strong () 
>{ 
>    tc-cpp-is-true "defined(__SSP_STRONG__) || defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
>}
>tc-endian () 
>{ 
>    local host=$1;
>    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
>    host=${host%%-*};
>    case ${host} in 
>        aarch64*be)
>            echo big
>        ;;
>        aarch64)
>            echo little
>        ;;
>        alpha*)
>            echo little
>        ;;
>        arc*b*)
>            echo big
>        ;;
>        arc*)
>            echo little
>        ;;
>        arm*b*)
>            echo big
>        ;;
>        arm*)
>            echo little
>        ;;
>        cris*)
>            echo little
>        ;;
>        hppa*)
>            echo big
>        ;;
>        i?86*)
>            echo little
>        ;;
>        ia64*)
>            echo little
>        ;;
>        loongarch*)
>            echo little
>        ;;
>        m68*)
>            echo big
>        ;;
>        mips*l*)
>            echo little
>        ;;
>        mips*)
>            echo big
>        ;;
>        powerpc*le)
>            echo little
>        ;;
>        powerpc*)
>            echo big
>        ;;
>        riscv*)
>            echo little
>        ;;
>        s390*)
>            echo big
>        ;;
>        sh*b*)
>            echo big
>        ;;
>        sh*)
>            echo little
>        ;;
>        sparc*)
>            echo big
>        ;;
>        x86_64*)
>            echo little
>        ;;
>        *)
>            echo wtf
>        ;;
>    esac
>}
>tc-env_build () 
>{ 
>    tc-export_build_env;
>    CFLAGS=${BUILD_CFLAGS} CXXFLAGS=${BUILD_CXXFLAGS} CPPFLAGS=${BUILD_CPPFLAGS} LDFLAGS=${BUILD_LDFLAGS} AR=$(tc-getBUILD_AR) AS=$(tc-getBUILD_AS) CC=$(tc-getBUILD_CC) CPP=$(tc-getBUILD_CPP) CXX=$(tc-getBUILD_CXX) LD=$(tc-getBUILD_LD) NM=$(tc-getBUILD_NM) PKG_CONFIG=$(tc-getBUILD_PKG_CONFIG) RANLIB=$(tc-getBUILD_RANLIB) READELF=$(tc-getBUILD_READELF) "$@"
>}
>tc-export () 
>{ 
>    local var;
>    for var in "$@";
>    do
>        [[ $(type -t "tc-get${var}") != "function" ]] && die "tc-export: invalid export variable '${var}'";
>        "tc-get${var}" > /dev/null;
>    done
>}
>tc-export_build_env () 
>{ 
>    tc-export "$@";
>    if tc-is-cross-compiler; then
>        : "${BUILD_CFLAGS:=-O1 -pipe}";
>        : "${BUILD_CXXFLAGS:=-O1 -pipe}";
>        : "${BUILD_CPPFLAGS:= }";
>        : "${BUILD_LDFLAGS:= }";
>    else
>        : "${BUILD_CFLAGS:=${CFLAGS}}";
>        : "${BUILD_CXXFLAGS:=${CXXFLAGS}}";
>        : "${BUILD_CPPFLAGS:=${CPPFLAGS}}";
>        : "${BUILD_LDFLAGS:=${LDFLAGS}}";
>    fi;
>    export BUILD_{C,CXX,CPP,LD}FLAGS;
>    local v;
>    for v in BUILD_{C,CXX,CPP,LD}FLAGS;
>    do
>        export ${v#BUILD_}_FOR_BUILD="${!v}";
>    done
>}
>tc-get-build-ptr-size () 
>{ 
>    $(tc-getBUILD_CPP) -P - <<< __SIZEOF_POINTER__ || die "Could not determine CBUILD pointer size"
>}
>tc-get-c-rtlib () 
>{ 
>    local res=$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} -print-libgcc-file-name 2> /dev/null);
>    case ${res} in 
>        *libclang_rt*)
>            echo compiler-rt
>        ;;
>        *libgcc*)
>            echo libgcc
>        ;;
>        *)
>            return 1
>        ;;
>    esac;
>    return 0
>}
>tc-get-compiler-type () 
>{ 
>    local code='
>#if defined(__PATHSCALE__)
>	HAVE_PATHCC
>#elif defined(__clang__)
>	HAVE_CLANG
>#elif defined(__GNUC__)
>	HAVE_GCC
>#endif
>';
>    local res=$($(tc-getCPP "$@") -E -P - <<< "${code}");
>    case ${res} in 
>        *HAVE_PATHCC*)
>            echo pathcc
>        ;;
>        *HAVE_CLANG*)
>            echo clang
>        ;;
>        *HAVE_GCC*)
>            echo gcc
>        ;;
>        *)
>            echo unknown
>        ;;
>    esac
>}
>tc-get-cxx-stdlib () 
>{ 
>    local code='#include <ciso646>
>
>#if defined(_LIBCPP_VERSION)
>	HAVE_LIBCXX
>#elif defined(__GLIBCXX__)
>	HAVE_LIBSTDCPP
>#endif
>';
>    local res=$($(tc-getCXX) ${CPPFLAGS} ${CXXFLAGS} -x c++ -E -P - <<< "${code}" 2> /dev/null);
>    case ${res} in 
>        *HAVE_LIBCXX*)
>            echo libc++
>        ;;
>        *HAVE_LIBSTDCPP*)
>            echo libstdc++
>        ;;
>        *)
>            return 1
>        ;;
>    esac;
>    return 0
>}
>tc-get-ptr-size () 
>{ 
>    $(tc-getCPP) -P - <<< __SIZEOF_POINTER__ || die "Could not determine CHOST pointer size"
>}
>tc-getAR () 
>{ 
>    tc-getPROG AR ar "$@"
>}
>tc-getAS () 
>{ 
>    tc-getPROG AS as "$@"
>}
>tc-getBUILD_AR () 
>{ 
>    tc-getBUILD_PROG AR ar "$@"
>}
>tc-getBUILD_AS () 
>{ 
>    tc-getBUILD_PROG AS as "$@"
>}
>tc-getBUILD_CC () 
>{ 
>    tc-getBUILD_PROG CC gcc "$@"
>}
>tc-getBUILD_CPP () 
>{ 
>    tc-getBUILD_PROG CPP "$(tc-getBUILD_CC) -E" "$@"
>}
>tc-getBUILD_CXX () 
>{ 
>    tc-getBUILD_PROG CXX g++ "$@"
>}
>tc-getBUILD_LD () 
>{ 
>    tc-getBUILD_PROG LD ld "$@"
>}
>tc-getBUILD_NM () 
>{ 
>    tc-getBUILD_PROG NM nm "$@"
>}
>tc-getBUILD_OBJCOPY () 
>{ 
>    tc-getBUILD_PROG OBJCOPY objcopy "$@"
>}
>tc-getBUILD_PKG_CONFIG () 
>{ 
>    tc-getBUILD_PROG PKG_CONFIG pkg-config "$@"
>}
>tc-getBUILD_PROG () 
>{ 
>    local vars="BUILD_$1 $1_FOR_BUILD HOST$1";
>    tc-is-cross-compiler || vars+=" $1";
>    _tc-getPROG CBUILD "${vars}" "${@:2}"
>}
>tc-getBUILD_RANLIB () 
>{ 
>    tc-getBUILD_PROG RANLIB ranlib "$@"
>}
>tc-getBUILD_READELF () 
>{ 
>    tc-getBUILD_PROG READELF readelf "$@"
>}
>tc-getBUILD_STRINGS () 
>{ 
>    tc-getBUILD_PROG STRINGS strings "$@"
>}
>tc-getBUILD_STRIP () 
>{ 
>    tc-getBUILD_PROG STRIP strip "$@"
>}
>tc-getCC () 
>{ 
>    tc-getPROG CC gcc "$@"
>}
>tc-getCPP () 
>{ 
>    tc-getPROG CPP "${CC:-gcc} -E" "$@"
>}
>tc-getCXX () 
>{ 
>    tc-getPROG CXX g++ "$@"
>}
>tc-getDLLWRAP () 
>{ 
>    tc-getPROG DLLWRAP dllwrap "$@"
>}
>tc-getF77 () 
>{ 
>    tc-getPROG F77 gfortran "$@"
>}
>tc-getFC () 
>{ 
>    tc-getPROG FC gfortran "$@"
>}
>tc-getGCJ () 
>{ 
>    tc-getPROG GCJ gcj "$@"
>}
>tc-getGO () 
>{ 
>    tc-getPROG GO gccgo "$@"
>}
>tc-getLD () 
>{ 
>    tc-getPROG LD ld "$@"
>}
>tc-getNM () 
>{ 
>    tc-getPROG NM nm "$@"
>}
>tc-getOBJCOPY () 
>{ 
>    tc-getPROG OBJCOPY objcopy "$@"
>}
>tc-getOBJDUMP () 
>{ 
>    tc-getPROG OBJDUMP objdump "$@"
>}
>tc-getPKG_CONFIG () 
>{ 
>    tc-getPROG PKG_CONFIG pkg-config "$@"
>}
>tc-getPROG () 
>{ 
>    _tc-getPROG CHOST "$@"
>}
>tc-getRANLIB () 
>{ 
>    tc-getPROG RANLIB ranlib "$@"
>}
>tc-getRC () 
>{ 
>    tc-getPROG RC windres "$@"
>}
>tc-getREADELF () 
>{ 
>    tc-getPROG READELF readelf "$@"
>}
>tc-getSTRINGS () 
>{ 
>    tc-getPROG STRINGS strings "$@"
>}
>tc-getSTRIP () 
>{ 
>    tc-getPROG STRIP strip "$@"
>}
>tc-getTARGET_CPP () 
>{ 
>    if [[ -n ${CTARGET} ]]; then
>        _tc-getPROG CTARGET TARGET_CPP "gcc -E" "$@";
>    else
>        tc-getCPP "$@";
>    fi
>}
>tc-has-tls () 
>{ 
>    local base="${T}/test-tc-tls";
>    cat <<-EOF > "${base}.c"
>int foo(int *i) {
>static __thread int j = 0;
>return *i ? j : *i;
>}
>EOF
>
>    local flags;
>    case $1 in 
>        -s)
>            flags="-S"
>        ;;
>        -c)
>            flags="-c"
>        ;;
>        -l)
>
>        ;;
>        -*)
>            die "Usage: tc-has-tls [-c|-l] [toolchain prefix]"
>        ;;
>    esac;
>    : "${flags:=-fPIC -shared -Wl,-z,defs}";
>    [[ $1 == -* ]] && shift;
>    $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null;
>    local ret=$?;
>    rm -f "${base}"*;
>    return ${ret}
>}
>tc-is-clang () 
>{ 
>    [[ $(tc-get-compiler-type) == clang ]]
>}
>tc-is-cross-compiler () 
>{ 
>    [[ ${CBUILD:-${CHOST}} != ${CHOST} ]]
>}
>tc-is-gcc () 
>{ 
>    [[ $(tc-get-compiler-type) == gcc ]]
>}
>tc-is-lto () 
>{ 
>    local f="${T}/test-lto.o";
>    case $(tc-get-compiler-type) in 
>        clang)
>            $(tc-getCC) ${CFLAGS} -c -o "${f}" -x c - <<< "" || die;
>            llvm-bcanalyzer "${f}" &> /dev/null && return 0
>        ;;
>        gcc)
>            $(tc-getCC) ${CFLAGS} -c -o "${f}" -x c - <<< "" || die;
>            [[ $($(tc-getREADELF) -S "${f}") == *.gnu.lto* ]] && return 0
>        ;;
>    esac;
>    return 1
>}
>tc-is-softfloat () 
>{ 
>    tc-detect-is-softfloat || tc-tuple-is-softfloat
>}
>tc-is-static-only () 
>{ 
>    local host=${CTARGET:-${CHOST}};
>    [[ ${host} == *-mint* ]]
>}
>tc-ld-disable-gold () 
>{ 
>    tc-ld-is-gold "$@" && tc-ld-force-bfd "$@"
>}
>tc-ld-force-bfd () 
>{ 
>    if ! tc-ld-is-gold "$@" && ! tc-ld-is-lld "$@"; then
>        return;
>    fi;
>    ewarn "Forcing usage of the BFD linker";
>    local ld=$(unset LD; tc-getLD "$@");
>    local bfd_ld="${ld}.bfd";
>    local path_ld=$(type -P "${bfd_ld}" 2> /dev/null);
>    [[ -e ${path_ld} ]] && export LD=${bfd_ld};
>    if tc-is-gcc || tc-is-clang; then
>        export LDFLAGS="${LDFLAGS} -fuse-ld=bfd";
>    fi
>}
>tc-ld-is-gold () 
>{ 
>    local out;
>    local -x LC_ALL=C;
>    out=$($(tc-getLD "$@") --version 2>&1);
>    if [[ ${out} == *"GNU gold"* ]]; then
>        return 0;
>    fi;
>    local base="${T}/test-tc-gold";
>    cat <<-EOF > "${base}.c"
>int main(void) { return 0; }
>EOF
>
>    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
>    rm -f "${base}"*;
>    if [[ ${out} == *"GNU gold"* ]]; then
>        return 0;
>    fi;
>    return 1
>}
>tc-ld-is-lld () 
>{ 
>    local out;
>    local -x LC_ALL=C;
>    out=$($(tc-getLD "$@") --version 2>&1);
>    if [[ ${out} == *"LLD"* ]]; then
>        return 0;
>    fi;
>    local base="${T}/test-tc-lld";
>    cat <<-EOF > "${base}.c"
>int main(void) { return 0; }
>EOF
>
>    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
>    rm -f "${base}"*;
>    if [[ ${out} == *"LLD"* ]]; then
>        return 0;
>    fi;
>    return 1
>}
>tc-ninja_magic_to_arch () 
>{ 
>    function _tc_echo_kernel_alias () 
>    { 
>        [[ ${type} == "kern" ]] && echo $1 || echo $2
>    };
>    local type=$1;
>    local host=$2;
>    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
>    case ${host} in 
>        aarch64*)
>            echo arm64
>        ;;
>        alpha*)
>            echo alpha
>        ;;
>        arc*)
>            echo arc
>        ;;
>        arm*)
>            echo arm
>        ;;
>        avr*)
>            _tc_echo_kernel_alias avr32 avr
>        ;;
>        bfin*)
>            _tc_echo_kernel_alias blackfin bfin
>        ;;
>        c6x*)
>            echo c6x
>        ;;
>        cris*)
>            echo cris
>        ;;
>        frv*)
>            echo frv
>        ;;
>        hexagon*)
>            echo hexagon
>        ;;
>        hppa*)
>            _tc_echo_kernel_alias parisc hppa
>        ;;
>        i?86*)
>            echo x86
>        ;;
>        ia64*)
>            echo ia64
>        ;;
>        loongarch*)
>            _tc_echo_kernel_alias loongarch loong
>        ;;
>        m68*)
>            echo m68k
>        ;;
>        metag*)
>            echo metag
>        ;;
>        microblaze*)
>            echo microblaze
>        ;;
>        mips*)
>            echo mips
>        ;;
>        nios2*)
>            echo nios2
>        ;;
>        nios*)
>            echo nios
>        ;;
>        or1k* | or32*)
>            echo openrisc
>        ;;
>        powerpc*)
>            if [[ ${type} == "kern" ]]; then
>                echo powerpc;
>            else
>                if [[ ${host} == powerpc64* ]]; then
>                    echo ppc64;
>                else
>                    echo ppc;
>                fi;
>            fi
>        ;;
>        riscv*)
>            echo riscv
>        ;;
>        s390*)
>            echo s390
>        ;;
>        score*)
>            echo score
>        ;;
>        sh64*)
>            _tc_echo_kernel_alias sh64 sh
>        ;;
>        sh*)
>            echo sh
>        ;;
>        sparc64*)
>            _tc_echo_kernel_alias sparc64 sparc
>        ;;
>        sparc*)
>            [[ ${PROFILE_ARCH} == "sparc64" ]] && _tc_echo_kernel_alias sparc64 sparc || echo sparc
>        ;;
>        tile*)
>            echo tile
>        ;;
>        vax*)
>            echo vax
>        ;;
>        x86_64*)
>            if [[ ${type} == "kern" ]]; then
>                echo x86;
>            else
>                echo amd64;
>            fi
>        ;;
>        xtensa*)
>            echo xtensa
>        ;;
>        *)
>            echo unknown
>        ;;
>    esac
>}
>tc-stack-grows-down () 
>{ 
>    case ${ARCH} in 
>        hppa | metag)
>            return 1
>        ;;
>    esac;
>    return 0
>}
>tc-tuple-is-softfloat () 
>{ 
>    local CTARGET=${CTARGET:-${CHOST}};
>    case ${CTARGET//_/-} in 
>        bfin* | h8300*)
>            echo "only"
>        ;;
>        *-softfloat-*)
>            echo "yes"
>        ;;
>        *-softfp-*)
>            echo "softfp"
>        ;;
>        arm*-hardfloat-* | arm*eabihf)
>            echo "no"
>        ;;
>        *-newlib | *-elf | *-eabi)
>            echo "no"
>        ;;
>        arm*)
>            echo "yes"
>        ;;
>        *)
>            echo "no"
>        ;;
>    esac
>}
>tc_enable_hardened_gcc () 
>{ 
>    local hardened_gcc_flags="";
>    if _tc_use_if_iuse pie; then
>        einfo "Updating gcc to use automatic PIE building ...";
>    fi;
>    if _tc_use_if_iuse ssp; then
>        einfo "Updating gcc to use automatic SSP building ...";
>    fi;
>    if _tc_use_if_iuse default-stack-clash-protection; then
>        einfo "Updating gcc to use automatic stack clash protection ...";
>        hardened_gcc_flags+=" -DDEF_GENTOO_SCP";
>    fi;
>    if _tc_use_if_iuse default-znow; then
>        einfo "Updating gcc to request symbol resolution at start (-z now) ...";
>        hardened_gcc_flags+=" -DDEF_GENTOO_ZNOW";
>    fi;
>    if _tc_use_if_iuse cet && [[ ${CTARGET} == *x86_64*-linux-gnu* ]]; then
>        einfo "Updating gcc to use x86-64 control flow protection by default ...";
>        hardened_gcc_flags+=" -DEXTRA_OPTIONS_CF";
>    fi;
>    if _tc_use_if_iuse hardened; then
>        hardened_gcc_flags+=" -DEXTRA_OPTIONS";
>        hardened_gcc_flags+=" -DGENTOO_FORTIFY_SOURCE_LEVEL=3";
>        hardened_gcc_flags+=" -DDEF_GENTOO_GLIBCXX_ASSERTIONS";
>        BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened};
>    fi;
>    sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' -e 's|^ALL_CFLAGS = |ALL_CFLAGS = $(HARD_CFLAGS) |' -i "${S}"/gcc/Makefile.in || die;
>    sed -e '/^ALL_CXXFLAGS/iHARD_CFLAGS = ' -e 's|^ALL_CXXFLAGS = |ALL_CXXFLAGS = $(HARD_CFLAGS) |' -i "${S}"/gcc/Makefile.in || die;
>    sed -i -e "/^HARD_CFLAGS = /s|=|= ${hardened_gcc_flags} |" "${S}"/gcc/Makefile.in || die
>}
>tc_has_feature () 
>{ 
>    has "$1" "${TC_FEATURES[@]}"
>}
>tc_is_live () 
>{ 
>    [[ ${PV} == *9999* ]]
>}
>tc_use_major_version_only () 
>{ 
>    local use_major_version_only=0;
>    if ! tc_version_is_at_least 10; then
>        return 1;
>    fi;
>    if [[ ${GCCMAJOR} -eq 10 ]] && ver_test ${PV} -ge 10.4.1_p20220929; then
>        use_major_version_only=1;
>    else
>        if [[ ${GCCMAJOR} -eq 11 ]] && ver_test ${PV} -ge 11.3.1_p20220930; then
>            use_major_version_only=1;
>        else
>            if [[ ${GCCMAJOR} -eq 12 ]] && ver_test ${PV} -ge 12.2.1_p20221001; then
>                use_major_version_only=1;
>            else
>                if [[ ${GCCMAJOR} -eq 13 ]] && ver_test ${PV} -ge 13.0.0_pre20221002; then
>                    use_major_version_only=1;
>                else
>                    if [[ ${GCCMAJOR} -gt 13 ]]; then
>                        use_major_version_only=1;
>                    fi;
>                fi;
>            fi;
>        fi;
>    fi;
>    if [[ ${use_major_version_only} -eq 1 ]]; then
>        return 0;
>    fi;
>    return 1
>}
>tc_version_is_at_least () 
>{ 
>    ver_test "${2:-${GCC_RELEASE_VER}}" -ge "$1"
>}
>tc_version_is_between () 
>{ 
>    tc_version_is_at_least "${1}" && ! tc_version_is_at_least "${2}"
>}
>test-compile () 
>{ 
>    local lang=$1;
>    local code=$2;
>    shift 2;
>    [[ -z "${lang}" ]] && return 1;
>    [[ -z "${code}" ]] && return 1;
>    local compiler filename_in filename_out args=() libs=();
>    case "${lang}" in 
>        c)
>            compiler="$(tc-getCC)";
>            filename_in="${T}/test.c";
>            filename_out="${T}/test.o";
>            args+=(${CFLAGS[@]} -xc -c)
>        ;;
>        c++)
>            compiler="$(tc-getCXX)";
>            filename_in="${T}/test.cc";
>            filename_out="${T}/test.o";
>            args+=(${CXXFLAGS[@]} -xc++ -c)
>        ;;
>        f77)
>            compiler="$(tc-getF77)";
>            filename_in="${T}/test.f";
>            filename_out="${T}/test.o";
>            args+=(${FFFLAGS[@]} -xf77 -c)
>        ;;
>        f95)
>            compiler="$(tc-getFC)";
>            filename_in="${T}/test.f90";
>            filename_out="${T}/test.o";
>            args+=(${FCFLAGS[@]} -xf95 -c)
>        ;;
>        c+ld)
>            compiler="$(tc-getCC)";
>            filename_in="${T}/test.c";
>            filename_out="${T}/test.exe";
>            args+=(${CFLAGS[@]} ${LDFLAGS[@]} -xc);
>            libs+=(${LIBS[@]})
>        ;;
>        c+++ld)
>            compiler="$(tc-getCXX)";
>            filename_in="${T}/test.cc";
>            filename_out="${T}/test.exe";
>            args+=(${CXXFLAGS[@]} ${LDFLAGS[@]} -xc++);
>            libs+=(${LIBS[@]})
>        ;;
>        f77+ld)
>            compiler="$(tc-getF77)";
>            filename_in="${T}/test.f";
>            filename_out="${T}/test.exe";
>            args+=(${FFLAGS[@]} ${LDFLAGS[@]} -xf77);
>            libs+=(${LIBS[@]})
>        ;;
>        f95+ld)
>            compiler="$(tc-getFC)";
>            filename_in="${T}/test.f90";
>            filename_out="${T}/test.exe";
>            args+=(${FCFLAGS[@]} ${LDFLAGS[@]} -xf95);
>            libs+=(${LIBS[@]})
>        ;;
>        *)
>            die "Unknown compiled language ${lang}"
>        ;;
>    esac;
>    printf "%s\n" "${code}" > "${filename_in}" || die "Failed to create '${test_in}'";
>    "${compiler}" ${args[@]} "${filename_in}" -o "${filename_out}" ${libs[@]} &> /dev/null
>}
>test-flag-CC () 
>{ 
>    _test-flag-PROG CC c "$@"
>}
>test-flag-CCLD () 
>{ 
>    _test-flag-PROG CC c+ld "$@"
>}
>test-flag-CXX () 
>{ 
>    _test-flag-PROG CXX c++ "$@"
>}
>test-flag-F77 () 
>{ 
>    _test-flag-PROG F77 f77 "$@"
>}
>test-flag-FC () 
>{ 
>    _test-flag-PROG FC f95 "$@"
>}
>test-flag-PROG () 
>{ 
>    [[ ${EAPI} == [67] ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
>    _test-flag-PROG "$@"
>}
>test-flags () 
>{ 
>    test-flags-CC "$@"
>}
>test-flags-CC () 
>{ 
>    _test-flags-PROG CC "$@"
>}
>test-flags-CCLD () 
>{ 
>    _test-flags-PROG CCLD "$@"
>}
>test-flags-CXX () 
>{ 
>    _test-flags-PROG CXX "$@"
>}
>test-flags-F77 () 
>{ 
>    _test-flags-PROG F77 "$@"
>}
>test-flags-FC () 
>{ 
>    _test-flags-PROG FC "$@"
>}
>test-flags-PROG () 
>{ 
>    [[ ${EAPI} == [67] ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
>    _test-flags-PROG "$@"
>}
>test_version_info () 
>{ 
>    if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then
>        return 0;
>    else
>        return 1;
>    fi
>}
>toolchain_death_notice () 
>{ 
>    if [[ -e "${WORKDIR}"/build ]]; then
>        pushd "${WORKDIR}"/build > /dev/null;
>        ( echo '' | $(tc-getCC ${CTARGET}) ${CFLAGS} -v -E - 2>&1 ) > gccinfo.log;
>        [[ -e "${T}"/build.log ]] && cp "${T}"/build.log .;
>        tar -acf "${WORKDIR}"/gcc-build-logs.tar.xz gccinfo.log build.log $(find -name config.log);
>        rm gccinfo.log build.log;
>        eerror;
>        eerror "Please include ${WORKDIR}/gcc-build-logs.tar.xz in your bug report.";
>        eerror;
>        popd > /dev/null;
>    fi
>}
>toolchain_fetch_git_patches () 
>{ 
>    local gcc_patches_repo="https://anongit.gentoo.org/git/proj/gcc-patches.git https://github.com/gentoo/gcc-patches";
>    einfo "Fetching patchset from git as PATCH_VER is unset";
>    EGIT_REPO_URI=${gcc_patches_repo} EGIT_BRANCH="master" EGIT_CHECKOUT_DIR="${WORKDIR}"/patch.tmp git-r3_src_unpack;
>    mkdir "${WORKDIR}"/patch || die;
>    mv "${WORKDIR}"/patch.tmp/${PATCH_GCC_VER}/gentoo/* "${WORKDIR}"/patch || die;
>    if [[ -n ${MUSL_VER} || -d "${WORKDIR}"/musl ]] && [[ ${CTARGET} == *musl* ]]; then
>        mkdir "${WORKDIR}"/musl || die;
>        mv "${WORKDIR}"/patch.tmp/${PATCH_GCC_VER}/musl/* "${WORKDIR}"/musl || die;
>    fi
>}
>toolchain_pkg_postinst () 
>{ 
>    do_gcc_config;
>    if [[ ! -n ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]]; then
>        eselect compiler-shadow update all;
>    fi;
>    if ! is_crosscompile && [[ ${PN} != "kgcc64" ]]; then
>        rm -f "${EROOT}"/sbin/fix_libtool_files.sh;
>        rm -f "${EROOT}"/usr/sbin/fix_libtool_files.sh;
>        rm -f "${EROOT}"/usr/share/gcc-data/fixlafiles.awk;
>    fi
>}
>toolchain_pkg_postrm () 
>{ 
>    do_gcc_config;
>    if [[ ! -n ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]]; then
>        eselect compiler-shadow clean all;
>    fi;
>    if is_crosscompile; then
>        if [[ -z $(ls "${EROOT}"/etc/env.d/gcc/${CTARGET}* 2> /dev/null) ]]; then
>            einfo "Removing last cross-compiler instance. Deleting dangling symlinks.";
>            rm -f "${EROOT}"/etc/env.d/gcc/config-${CTARGET};
>            rm -f "${EROOT}"/etc/env.d/??gcc-${CTARGET};
>            rm -f "${EROOT}"/usr/bin/${CTARGET}-{gcc,{g,c}++}{,32,64};
>        fi;
>        return 0;
>    fi;
>    rm -f "${EROOT}"/sbin/fix_libtool_files.sh;
>    rm -f "${EROOT}"/usr/share/gcc-data/fixlafiles.awk
>}
>toolchain_pkg_preinst () 
>{ 
>    if [[ ${MERGE_TYPE} != binary ]] && use test; then
>        einfo "Copying test results to ${GCC_TESTS_COMPARISON_DIR}/${SLOT}/${CHOST}.xfail for future comparison";
>        ( mkdir -p "${GCC_TESTS_COMPARISON_DIR}/${SLOT}" || die;
>        cd "${T}"/test-results || die;
>        if [[ -f "${T}"/${CHOST}.xfail ]]; then
>            cp -v "${T}"/${CHOST}.xfail "${GCC_TESTS_COMPARISON_DIR}/${SLOT}" || die;
>        fi );
>    fi
>}
>toolchain_pkg_pretend () 
>{ 
>    if ! _tc_use_if_iuse cxx; then
>        _tc_use_if_iuse go && ewarn 'Go requires a C++ compiler, disabled due to USE="-cxx"';
>        _tc_use_if_iuse objc++ && ewarn 'Obj-C++ requires a C++ compiler, disabled due to USE="-cxx"';
>    fi
>}
>toolchain_pkg_setup () 
>{ 
>    unset GCC_SPECS;
>    unset LANGUAGES;
>    MAKEOPTS="--output-sync=line ${MAKEOPTS}";
>    use test && python-any-r1_pkg_setup
>}
>toolchain_src_compile () 
>{ 
>    touch "${S}"/gcc/c-gperf.h || die;
>    [[ ! -x "${BROOT}"/usr/bin/perl ]] && find "${WORKDIR}"/build -name '*.[17]' -exec touch {} +;
>    unset ADAFLAGS;
>    local gcc_shell="${BROOT}"/bin/bash;
>    if tc_version_is_at_least 11.2; then
>        gcc_shell="${BROOT}"/bin/sh;
>    fi;
>    CONFIG_SHELL="${gcc_shell}" gcc_do_make ${GCC_MAKE_TARGET}
>}
>toolchain_src_configure () 
>{ 
>    BUILD_CONFIG_TARGETS=();
>    is-flagq '-O3' && BUILD_CONFIG_TARGETS+=(bootstrap-O3);
>    downgrade_arch_flags;
>    gcc_do_filter_flags;
>    if ! tc_version_is_at_least 11 && [[ $(gcc-major-version) -ge 12 ]]; then
>        export ac_cv_std_swap_in_utility=no;
>    fi;
>    einfo "CFLAGS=\"${CFLAGS}\"";
>    einfo "CXXFLAGS=\"${CXXFLAGS}\"";
>    einfo "LDFLAGS=\"${LDFLAGS}\"";
>    export JAR=no;
>    local confgcc=(--host=${CHOST});
>    if is_crosscompile || tc-is-cross-compiler; then
>        confgcc+=(--target=${CTARGET});
>    fi;
>    [[ -n ${CBUILD} ]] && confgcc+=(--build=${CBUILD});
>    confgcc+=(--prefix="${PREFIX}" --bindir="${BINPATH}" --includedir="${INCLUDEPATH}" --datadir="${DATAPATH}" --mandir="${DATAPATH}/man" --infodir="${DATAPATH}/info" --with-gxx-include-dir="${STDCXX_INCDIR}" --disable-silent-rules);
>    if tc_version_is_at_least 10; then
>        confgcc+=(--disable-dependency-tracking);
>    fi;
>    confgcc+=(--with-python-dir=${DATAPATH/$PREFIX/}/python);
>    local GCC_LANG="c";
>    is_cxx && GCC_LANG+=",c++";
>    is_d && GCC_LANG+=",d";
>    is_go && GCC_LANG+=",go";
>    if is_objc || is_objcxx; then
>        GCC_LANG+=",objc";
>        use objc-gc && confgcc+=(--enable-objc-gc);
>        is_objcxx && GCC_LANG+=",obj-c++";
>    fi;
>    is_fortran && GCC_LANG+=",fortran";
>    is_f77 && GCC_LANG+=",f77";
>    is_f95 && GCC_LANG+=",f95";
>    is_ada && GCC_LANG+=",ada";
>    is_modula2 && GCC_LANG+=",m2";
>    is_rust && GCC_LANG+=",rust";
>    confgcc+=(--enable-languages=${GCC_LANG});
>    confgcc+=(--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib);
>    if use nls; then
>        confgcc+=(--enable-nls --without-included-gettext);
>    else
>        confgcc+=(--disable-nls);
>    fi;
>    confgcc+=(--disable-libunwind-exceptions);
>    if in_iuse debug; then
>        if grep -q "experimental" gcc/DEV-PHASE; then
>            confgcc+=(--enable-checking="${GCC_CHECKS_LIST:-$(usex debug yes,extra,rtl yes,extra)}");
>        else
>            confgcc+=(--enable-checking="${GCC_CHECKS_LIST:-$(usex debug yes,extra,rtl release)}");
>        fi;
>    fi;
>    confgcc+=(--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion="${BRANDING_GCC_PKGVERSION}");
>    if tc_use_major_version_only; then
>        confgcc+=(--with-gcc-major-version-only);
>    fi;
>    if is_cxx; then
>        confgcc+=(--enable-libstdcxx-time);
>    fi;
>    confgcc+=(--enable-lto);
>    if tc_version_is_at_least 9.1 && _tc_use_if_iuse lto; then
>        BUILD_CONFIG_TARGETS+=(bootstrap-lto);
>    fi;
>    if tc_version_is_at_least 12 && _tc_use_if_iuse cet && [[ ${CTARGET} == x86_64-*-gnu* ]]; then
>        BUILD_CONFIG_TARGETS+=(bootstrap-cet);
>    fi;
>    if ! _tc_use_if_iuse pch; then
>        confgcc+=(--disable-libstdcxx-pch);
>    fi;
>    if is_crosscompile; then
>        confgcc+=(--enable-poison-system-directories);
>        local needed_libc="";
>        case ${CTARGET} in 
>            *-linux)
>                needed_libc=error-unknown-libc
>            ;;
>            *-dietlibc)
>                needed_libc=dietlibc
>            ;;
>            *-elf | *-eabi)
>                needed_libc=newlib;
>                confgcc+=(--disable-libstdcxx-time)
>            ;;
>            *-gnu*)
>                needed_libc=glibc
>            ;;
>            *-klibc)
>                needed_libc=klibc
>            ;;
>            *-musl*)
>                needed_libc=musl
>            ;;
>            x86_64-*-mingw* | *-w64-mingw*)
>                needed_libc=mingw64-runtime
>            ;;
>            avr)
>                confgcc+=(--enable-shared --disable-threads)
>            ;;
>            nvptx*)
>                confgcc+=(--disable-lto)
>            ;;
>        esac;
>        if [[ -n ${needed_libc} ]]; then
>            local confgcc_no_libc=(--disable-shared);
>            confgcc_no_libc+=(--disable-libquadmath);
>            confgcc_no_libc+=(--disable-libatomic);
>            if ! has_version ${CATEGORY}/${needed_libc}; then
>                confgcc+=("${confgcc_no_libc[@]}" --disable-threads --without-headers);
>                if [[ ${needed_libc} == glibc ]]; then
>                    confgcc+=(--with-long-double-128);
>                fi;
>            else
>                if has_version "${CATEGORY}/${needed_libc}[headers-only(-)]"; then
>                    confgcc+=("${confgcc_no_libc[@]}" --with-sysroot="${PREFIX}"/${CTARGET});
>                else
>                    confgcc+=(--with-sysroot="${PREFIX}"/${CTARGET});
>                fi;
>            fi;
>        fi;
>        confgcc+=(--disable-gcov --disable-bootstrap);
>    else
>        if tc-is-static-only; then
>            confgcc+=(--disable-shared);
>        else
>            confgcc+=(--enable-shared);
>        fi;
>        case ${CHOST} in 
>            mingw* | *-mingw*)
>                confgcc+=(--enable-threads=win32)
>            ;;
>            *)
>                confgcc+=(--enable-threads=posix)
>            ;;
>        esac;
>        if ! use prefix-guest; then
>            if [[ -n ${EPREFIX} ]]; then
>                confgcc+=(--with-sysroot="${EPREFIX}");
>            fi;
>            if [[ -n ${ESYSROOT} ]]; then
>                confgcc+=(--with-build-sysroot="${ESYSROOT}");
>            fi;
>        fi;
>    fi;
>    case ${CTARGET} in 
>        *-elf | *-eabi)
>            confgcc+=(--with-newlib)
>        ;;
>        *-musl*)
>            confgcc+=(--enable-__cxa_atexit)
>        ;;
>        *-gnu*)
>            confgcc+=(--enable-__cxa_atexit --enable-clocale=gnu)
>        ;;
>        *-solaris*)
>            confgcc+=(--enable-__cxa_atexit)
>        ;;
>    esac;
>    gcc-multilib-configure;
>    in_iuse fixed-point && confgcc+=($(use_enable fixed-point));
>    case $(tc-is-softfloat) in 
>        yes)
>            confgcc+=(--with-float=soft)
>        ;;
>        softfp)
>            confgcc+=(--with-float=softfp)
>        ;;
>        *)
>            case ${CTARGET//_/-} in 
>                *-hardfloat-* | *eabihf)
>                    confgcc+=(--with-float=hard)
>                ;;
>            esac
>        ;;
>    esac;
>    local with_abi_map=();
>    case $(tc-arch) in 
>        arm)
>            local a arm_arch=${CTARGET%%-*};
>            for a in e{b,l} {b,l}e b l;
>            do
>                if [[ ${arm_arch} == *${a} ]]; then
>                    arm_arch=${arm_arch%${a}};
>                    break;
>                fi;
>            done;
>            [[ ${arm_arch} == armv7? ]] && arm_arch=${arm_arch/7/7-};
>            if ( srcdir=${S}/gcc target=${CTARGET} with_arch=${arm_arch};
>            . "${srcdir}"/config.gcc ) &> /dev/null; then
>                confgcc+=(--with-arch=${arm_arch});
>            fi;
>            [[ ${arm_arch} == *-m ]] && confgcc+=(--with-mode=thumb);
>            if [[ $(tc-is-softfloat) == "no" ]] && [[ ${CTARGET} == armv[67]* ]]; then
>                confgcc+=(--with-float=hard);
>                case ${CTARGET} in 
>                    armv6*)
>                        confgcc+=(--with-fpu=vfp)
>                    ;;
>                    armv7*)
>                        confgcc+=(--with-fpu=vfpv3-d16)
>                    ;;
>                esac;
>            fi;
>            if is_multilib && [[ ${arm_arch} == arm ]]; then
>                confgcc+=(--with-multilib-list=aprofile,rmprofile);
>            fi
>        ;;
>        mips)
>            confgcc+=(--with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}))
>        ;;
>        amd64)
>            if has x32 $(get_all_abis TARGET); then
>                confgcc+=(--with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}));
>            fi
>        ;;
>        x86)
>            confgcc+=(--with-arch=${CTARGET%%-*})
>        ;;
>        ppc)
>            is-flagq -mfloat-gprs=double && confgcc+=(--enable-e500-double);
>            [[ ${CTARGET//_/-} == *-e500v2-* ]] && confgcc+=(--enable-e500-double)
>        ;;
>        ppc64)
>            [[ ${CTARGET} == powerpc64-*-musl ]] && confgcc+=(--with-abi=elfv2);
>            if in_iuse ieee-long-double; then
>                if [[ ${CTARGET} == powerpc64le-*-gnu ]]; then
>                    use ieee-long-double && confgcc+=(--with-long-double-format=ieee);
>                fi;
>            fi
>        ;;
>        riscv)
>            confgcc+=(--with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}))
>        ;;
>    esac;
>    case $(tc-arch) in 
>        amd64 | ppc | ppc64 | sparc | x86)
>            confgcc+=(--enable-targets=all)
>        ;;
>        *)
>
>        ;;
>    esac;
>    [[ ${CTARGET} == *-darwin* ]] && confgcc+=(--enable-version-specific-runtime-libs);
>    if in_iuse openmp; then
>        if ! is_crosscompile || $(tc-getCPP ${CTARGET}) -E - <<< "#include <pthread.h>" >&/dev/null; then
>            confgcc+=($(use_enable openmp libgomp));
>        else
>            confgcc+=(--disable-libgomp);
>        fi;
>    else
>        confgcc+=(--disable-libgomp);
>    fi;
>    if _tc_use_if_iuse libssp; then
>        confgcc+=(--enable-libssp);
>    else
>        if _tc_use_if_iuse ssp; then
>            case ${CTARGET} in 
>                mingw* | *-mingw*)
>                    ewarn "Not disabling libssp"
>                ;;
>                *)
>                    confgcc+=(--disable-libssp)
>                ;;
>            esac;
>        else
>            confgcc+=(--disable-libssp);
>        fi;
>    fi;
>    if in_iuse ada; then
>        confgcc+=(--disable-libada);
>    fi;
>    if in_iuse cet; then
>        [[ ${CTARGET} == x86_64-*-gnu* ]] && confgcc+=($(use_enable cet));
>        [[ ${CTARGET} == aarch64-*-gnu* ]] && confgcc+=($(use_enable cet standard-branch-protection));
>    fi;
>    if in_iuse systemtap; then
>        confgcc+=($(use_enable systemtap));
>    fi;
>    if in_iuse valgrind; then
>        confgcc+=($(use_enable valgrind valgrind-annotations));
>    fi;
>    if in_iuse vtv; then
>        confgcc+=($(use_enable vtv vtable-verify) $(usex vtv '' --disable-libvtv));
>    fi;
>    if in_iuse zstd; then
>        confgcc+=($(use_with zstd));
>    fi;
>    if in_iuse graphite; then
>        confgcc+=($(use_with graphite isl));
>        use graphite && confgcc+=(--disable-isl-version-check);
>    else
>        confgcc+=(--without-isl);
>    fi;
>    if in_iuse sanitize; then
>        confgcc+=($(usex sanitize '' --disable-libsanitizer));
>    else
>        confgcc+=(--disable-libsanitizer);
>    fi;
>    if in_iuse pie; then
>        confgcc+=($(use_enable pie default-pie));
>        if tc_version_is_at_least 14.0.0_pre20230612 ${PV}; then
>            confgcc+=(--enable-host-pie);
>        fi;
>    fi;
>    if in_iuse default-znow && tc_version_is_at_least 14.0.0_pre20230619 ${PV}; then
>        confgcc+=($(use_enable default-znow host-bind-now));
>    fi;
>    if in_iuse ssp; then
>        confgcc+=($(use_enable ssp default-ssp));
>    fi;
>    if tc_version_is_at_least 13.1; then
>        if ! is_crosscompile && use elibc_glibc && has_version "<sys-libs/glibc-2.38"; then
>            GCC_RUN_FIXINCLUDES=1;
>        fi;
>        case ${CBUILD}-${CHOST}-${CTARGET} in 
>            *i686-w64-mingw32* | *x86_64-w64-mingw32*)
>                GCC_RUN_FIXINCLUDES=1
>            ;;
>            *mips*-sde-elf*)
>                if [[ ${confgcc} != *with-newlib* ]]; then
>                    GCC_RUN_FIXINCLUDES=1;
>                fi
>            ;;
>            *)
>
>            ;;
>        esac;
>        if [[ ${GCC_RUN_FIXINCLUDES} == 1 ]]; then
>            confgcc+=(--enable-fixincludes);
>        else
>            confgcc+=(--disable-fixincludes);
>        fi;
>    fi;
>    if [[ ${PV} == *_p* && -f "${S}"/gcc/doc/gcc.info ]]; then
>        eqawarn "Snapshot release with pre-generated info pages found!";
>        eqawarn "The BDEPEND in the ebuild should be updated to drop texinfo.";
>    fi;
>    export ac_cv_have_x='have_x=yes ac_x_includes= ac_x_libraries=';
>    eval "local -a EXTRA_ECONF=(${EXTRA_ECONF})";
>    confgcc+=("$@" "${EXTRA_ECONF[@]}");
>    if ! is_crosscompile && ! tc-is-cross-compiler && [[ -n ${BUILD_CONFIG_TARGETS} ]]; then
>        confgcc+=(--with-build-config="${BUILD_CONFIG_TARGETS[*]}");
>    fi;
>    echo;
>    einfo "PREFIX:          ${PREFIX}";
>    einfo "BINPATH:         ${BINPATH}";
>    einfo "LIBPATH:         ${LIBPATH}";
>    einfo "DATAPATH:        ${DATAPATH}";
>    einfo "STDCXX_INCDIR:   ${STDCXX_INCDIR}";
>    einfo "Languages:       ${GCC_LANG}";
>    echo;
>    mkdir -p "${WORKDIR}"/build || die;
>    pushd "${WORKDIR}"/build > /dev/null || die;
>    addwrite /dev/zero;
>    local gcc_shell="${BROOT}"/bin/bash;
>    if tc_version_is_at_least 11.2; then
>        gcc_shell="${BROOT}"/bin/sh;
>    fi;
>    if is_jit; then
>        einfo "Configuring JIT gcc";
>        local confgcc_jit=("${confgcc[@]}" --enable-lto --disable-analyzer --disable-bootstrap --disable-cet --disable-default-pie --disable-default-ssp --disable-gcov --disable-libada --disable-libatomic --disable-libgomp --disable-libitm --disable-libquadmath --disable-libsanitizer --disable-libssp --disable-libstdcxx-pch --disable-libvtv --disable-nls --disable-objc-gc --disable-systemtap --enable-host-shared --enable-languages=jit $(use_with graphite isl) $(use_with zstd) --with-system-zlib);
>        if tc_version_is_at_least 13.1; then
>            confgcc_jit+=(--disable-fixincludes);
>        fi;
>        mkdir -p "${WORKDIR}"/build-jit || die;
>        pushd "${WORKDIR}"/build-jit > /dev/null || die;
>        CONFIG_SHELL="${gcc_shell}" edo "${gcc_shell}" "${S}"/configure "${confgcc_jit[@]}";
>        popd > /dev/null || die;
>    fi;
>    CONFIG_SHELL="${gcc_shell}" edo "${gcc_shell}" "${S}"/configure "${confgcc[@]}";
>    popd > /dev/null || die
>}
>toolchain_src_install () 
>{ 
>    cd "${WORKDIR}"/build || die;
>    find gcc/include*/ -type l -delete || die;
>    if [[ ${GCC_RUN_FIXINCLUDES} == 0 ]]; then
>        while read x; do
>            grep -q 'It has been auto-edited by fixincludes from' "${x}" && rm -f "${x}";
>        done < <(find gcc/include*/ -name '*.h');
>    fi;
>    if is_jit; then
>        pushd "${WORKDIR}"/build-jit > /dev/null || die;
>        S="${WORKDIR}"/build-jit emake DESTDIR="${D}" -j1 install;
>        find "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \; || die;
>        find "${ED}" -name libiberty.a -delete || die;
>        gcc_movelibs;
>        popd > /dev/null || die;
>    fi;
>    S="${WORKDIR}"/build emake DESTDIR="${D}" -j1 install;
>    find "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \; || die;
>    find "${ED}" -name libiberty.a -delete || die;
>    gcc_movelibs;
>    if ! is_crosscompile; then
>        local EXEEXT;
>        eval $(grep ^EXEEXT= "${WORKDIR}"/build/gcc/config.log);
>        [[ -r ${D}${BINPATH}/gcc${EXEEXT} ]] || die "gcc not found in ${ED}";
>    fi;
>    dodir /etc/env.d/gcc;
>    create_gcc_env_entry;
>    create_revdep_rebuild_entry;
>    dodir /usr/bin;
>    cd "${D}"${BINPATH} || die;
>    for x in cpp gcc gccrs g++ c++ gcov g77 gfortran gccgo gnat*;
>    do
>        if [[ -f ${x} ]]; then
>            rm -f ${CTARGET}-${x};
>            mv ${x} ${CTARGET}-${x};
>        fi;
>        if [[ -f ${CTARGET}-${x} ]]; then
>            if ! is_crosscompile; then
>                ln -sf ${CTARGET}-${x} ${x};
>                dosym ${BINPATH}/${CTARGET}-${x} /usr/bin/${x}-${GCC_CONFIG_VER};
>            fi;
>            dosym ${BINPATH}/${CTARGET}-${x} /usr/bin/${CTARGET}-${x}-${GCC_CONFIG_VER};
>        fi;
>        if [[ -f ${CTARGET}-${x}-${GCC_CONFIG_VER} ]]; then
>            rm -f ${CTARGET}-${x}-${GCC_CONFIG_VER};
>            ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_CONFIG_VER};
>        fi;
>    done;
>    if ! is_crosscompile; then
>        if is_go; then
>            for x in go gofmt;
>            do
>                mv ${x} ${x}-${GCCMAJOR} || die;
>            done;
>        fi;
>    fi;
>    is_crosscompile && dostrip -x "${LIBPATH}";
>    cd "${S}" || die;
>    if is_crosscompile; then
>        rm -rf "${ED}"/usr/share/{man,info};
>        rm -rf "${D}"${DATAPATH}/{man,info};
>    else
>        local cxx_mandir=$(find "${WORKDIR}/build/${CTARGET}/libstdc++-v3" -name man || die);
>        if [[ -d ${cxx_mandir} ]]; then
>            cp -r "${cxx_mandir}"/man? "${D}${DATAPATH}"/man/ || die;
>        fi;
>    fi;
>    if [[ -f "${D}${DATAPATH}"/info/dir ]]; then
>        einfo "Deleting '${D}${DATAPATH}/info/dir'";
>        rm "${D}${DATAPATH}"/info/dir || die;
>    fi;
>    docompress "${DATAPATH}"/{info,man};
>    find "${ED}" -depth -type d -delete 2> /dev/null;
>    find "${D}${LIBPATH}" '(' -name libstdc++.la -o -name libstdc++fs.la -o -name libstdc++exp.la -o -name libsupc++.la -o -name libcc1.la -o -name libcc1plugin.la -o -name libcp1plugin.la -o -name 'libgomp.la' -o -name 'libgomp-plugin-*.la' -o -name libgfortran.la -o -name libgfortranbegin.la -o -name libitm.la -o -name libvtv.la -o -name 'lib*san.la' ')' -type f -delete || die;
>    chown -R 0:0 "${D}${LIBPATH}" 2> /dev/null || die;
>    local py gdbdir=/usr/share/gdb/auto-load${LIBPATH};
>    pushd "${D}${LIBPATH}" > /dev/null || die;
>    for py in $(find . -name '*-gdb.py' || die);
>    do
>        local multidir=${py%/*};
>        insinto "${gdbdir}/${multidir}";
>        sed -i "/^libdir =/s:=.*:= '${LIBPATH}/${multidir}':" "${py}" || die;
>        doins "${py}";
>        rm "${py}" || die;
>    done;
>    popd > /dev/null || die;
>    export QA_EXECSTACK="usr/lib*/go/*/*.gox";
>    export QA_WX_LOAD="usr/lib*/go/*/*.gox";
>    pax-mark -r "${ED}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1";
>    pax-mark -r "${ED}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1plus";
>    if use test; then
>        mkdir "${T}"/test-results || die;
>        cd "${WORKDIR}"/build || die;
>        find . -name \*.sum -exec cp --parents -v {} "${T}"/test-results \; || die;
>    fi
>}
>toolchain_src_prepare () 
>{ 
>    export BRANDING_GCC_PKGVERSION="Gentoo ${GCC_PVR}";
>    cd "${S}" || die;
>    do_gcc_gentoo_patches;
>    if tc_is_live; then
>        BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, commit ${EGIT_VERSION}";
>    fi;
>    eapply_user;
>    if ! use vanilla; then
>        tc_enable_hardened_gcc;
>    fi;
>    if use test; then
>        cp "${DISTDIR}"/${PN}-validate-failures-${GCC_VALIDATE_FAILURES_VERSION}.py "${T}"/validate_failures.py || die;
>        chmod +x "${T}"/validate_failures.py || die;
>    fi;
>    find "${S}" -name Makefile.in -exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} + || die;
>    setup_multilib_osdirnames;
>    local actual_version=$(< "${S}"/gcc/BASE-VER);
>    if ! tc_is_live && [[ "${GCC_RELEASE_VER}" != "${actual_version}" ]]; then
>        eerror "'${S}/gcc/BASE-VER' contains '${actual_version}', expected '${GCC_RELEASE_VER}'";
>        die "Please set 'TOOLCHAIN_GCC_PV' to '${actual_version}'";
>    fi;
>    elibtoolize --portage --shallow --no-uclibc;
>    gnuconfig_update;
>    if ! use prefix-guest && [[ -n ${EPREFIX} ]]; then
>        einfo "Prefixifying dynamic linkers...";
>        for f in gcc/config/*/*linux*.h;
>        do
>            ebegin "  Updating ${f}";
>            if [[ ${f} == gcc/config/rs6000/linux*.h ]]; then
>                sed -i -r "s,(DYNAMIC_LINKER_PREFIX\s+)\"\",\1\"${EPREFIX}\",g" "${f}" || die;
>            else
>                sed -i -r "/_DYNAMIC_LINKER/s,([\":])(/lib),\1${EPREFIX}\2,g" "${f}" || die;
>            fi;
>            eend $?;
>        done;
>    fi;
>    einfo "Touching generated files";
>    ./contrib/gcc_update --touch | while read f; do
>        einfo "  ${f%%...}";
>    done
>}
>toolchain_src_test () 
>{ 
>    ulimit -v unlimited;
>    local -x SANDBOX_ON=0;
>    local -x LD_PRELOAD=;
>    local -x GCC_TEST_RUN_EXPENSIVE=1;
>    nonfatal emake -C "${WORKDIR}"/build -k "${GCC_TESTS_CHECK_TARGET}" RUNTESTFLAGS="${GCC_TESTS_RUNTESTFLAGS}";
>    einfo "Generating a new failure manifest ${T}/${CHOST}.xfail";
>    rm -f "${T}"/${CHOST}.xfail;
>    edo "${T}"/validate_failures.py --srcpath="${S}" --build_dir="${WORKDIR}"/build --manifest="${T}"/${CHOST}.xfail --produce_manifest &> /dev/null;
>    local manifest="${GCC_TESTS_COMPARISON_DIR}/${GCC_TESTS_COMPARISON_SLOT}/${CHOST}.xfail";
>    if [[ -f "${manifest}" ]]; then
>        einfo "Comparing with previous cached results at ${manifest}";
>        nonfatal edo "${T}"/validate_failures.py --srcpath="${S}" --build_dir="${WORKDIR}"/build --manifest="${manifest}";
>        ret=$?;
>        if [[ -n ${GCC_TESTS_REGEN_BASELINE} ]]; then
>            eerror "GCC_TESTS_REGEN_BASELINE is set, ignoring test result and creating a new baseline...";
>        else
>            if [[ ${ret} != 0 ]]; then
>                die "Tests failed (failures not listed in the baseline data)";
>            fi;
>        fi;
>    else
>        nonfatal edo "${T}"/validate_failures.py --srcpath="${S}" --build_dir="${WORKDIR}"/build;
>        ret=$?;
>        eerror "No reference test data at ${manifest}!";
>        eerror "GCC's tests require a baseline to compare with for any reasonable interpretation of results.";
>        if [[ -n ${GCC_TESTS_IGNORE_NO_BASELINE} ]]; then
>            eerror "GCC_TESTS_IGNORE_NO_BASELINE is set, ignoring test result and creating a new baseline...";
>        else
>            if [[ -n ${GCC_TESTS_REGEN_BASELINE} ]]; then
>                eerror "GCC_TESTS_REGEN_BASELINE is set, ignoring test result and creating using a new baseline...";
>            else
>                if [[ ${ret} != 0 ]]; then
>                    eerror "(Set GCC_TESTS_IGNORE_NO_BASELINE=1 to make this non-fatal and generate a baseline.)";
>                    die "Tests failed (failures occurred with no reference data)";
>                fi;
>            fi;
>        fi;
>    fi
>}
>toolchain_src_unpack () 
>{ 
>    if tc_is_live; then
>        git-r3_src_unpack;
>        echo "${EGIT_VERSION}" > "${S}"/gcc/REVISION || die;
>        if [[ -z ${PATCH_VER} ]] && ! use vanilla; then
>            toolchain_fetch_git_patches;
>        fi;
>    else
>        if [[ -z ${PATCH_VER} && -n ${TOOLCHAIN_USE_GIT_PATCHES} ]]; then
>            toolchain_fetch_git_patches;
>        fi;
>    fi;
>    default
>}
>ver_cut () 
>{ 
>    local range=${1};
>    local v=${2:-${PV}};
>    local start end;
>    local -a comp;
>    __eapi7_ver_split "${v}";
>    local max=$((${#comp[@]}/2));
>    __eapi7_ver_parse_range "${range}" "${max}";
>    local IFS=;
>    if [[ ${start} -gt 0 ]]; then
>        start=$(( start*2 - 1 ));
>    fi;
>    echo "${comp[*]:start:end*2-start}"
>}
>ver_rs () 
>{ 
>    local v;
>    (( ${#} & 1 )) && v=${@: -1} || v=${PV};
>    local start end i;
>    local -a comp;
>    __eapi7_ver_split "${v}";
>    local max=$((${#comp[@]}/2 - 1));
>    while [[ ${#} -ge 2 ]]; do
>        __eapi7_ver_parse_range "${1}" "${max}";
>        for ((i = start*2; i <= end*2; i+=2 ))
>        do
>            [[ ${i} -eq 0 && -z ${comp[i]} ]] && continue;
>            comp[i]=${2};
>        done;
>        shift 2;
>    done;
>    local IFS=;
>    echo "${comp[*]}"
>}
>ver_test () 
>{ 
>    local va op vb;
>    if [[ $# -eq 3 ]]; then
>        va=${1};
>        shift;
>    else
>        va=${PVR};
>    fi;
>    [[ $# -eq 2 ]] || die "${FUNCNAME}: bad number of arguments";
>    op=${1};
>    vb=${2};
>    case ${op} in 
>        -eq | -ne | -lt | -le | -gt | -ge)
>
>        ;;
>        *)
>            die "${FUNCNAME}: invalid operator: ${op}"
>        ;;
>    esac;
>    __eapi7_ver_compare "${va}" "${vb}";
>    test $? "${op}" 2
>}

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Attachments on bug 930975: 892003 | 892004 | 892005 | 892006 | 892007 | 892008 | 892009 | 892010 | 892011 | 892012