Attachment 874108 Details for Bug 916881 – environment

environment

environment (text/plain), 99.55 KB, created by Toralf Förster on 2023-11-05 10:17:53 UTC

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Creator: Toralf Förster

Created: 2023-11-05 10:17:53 UTC

Size: 99.55 KB

patch

obsolete

>declare -x ABI="amd64"
>declare -x ABI_MIPS=""
>declare -x ABI_S390=""
>declare -x ABI_X86="64"
>declare -x ADA_TARGET=""
>declare -x ALLOW_TEST="network"
>declare -a ALL_AUTOTOOLS_MACROS=([0]="AC_PROG_LIBTOOL" [1]="AM_PROG_LIBTOOL" [2]="LT_INIT" [3]="LT_CONFIG_LTDL_DIR" [4]="AC_CONFIG_HEADERS" [5]="AC_CONFIG_HEADER" [6]="AM_CONFIG_HEADERS" [7]="AM_CONFIG_HEADER" [8]="AC_CONFIG_SUBDIRS" [9]="AC_CONFIG_AUX_DIR" [10]="AC_CONFIG_MACRO_DIR" [11]="AM_INIT_AUTOMAKE" [12]="AM_GLIB_GNU_GETTEXT" [13]="AM_GNU_GETTEXT_VERSION" [14]="AM_GNU_GETTEXT_REQUIRE_VERSION" [15]="AC_PROG_INTLTOOL" [16]="IT_PROG_INTLTOOL" [17]="GTK_DOC_CHECK" [18]="GNOME_DOC_INIT")
>declare -x ALSA_CARDS=""
>declare -x AMDGPU_TARGETS=""
>declare -- AM_OPTS=""
>declare -x APACHE2_MODULES=""
>declare -x APACHE2_MPMS=""
>declare -x ARCH="amd64"
>declare -- AT_M4DIR=""
>declare -- AT_NOEAUTOHEADER=""
>declare -- AT_NOEAUTOMAKE=""
>declare -- AT_NOELIBTOOLIZE=""
>declare -- AT_SYS_M4DIR=""
>declare -- AUTOTOOLS_AUTO_DEPEND="yes"
>declare -- AUTOTOOLS_DEPEND=$'|| ( >=sys-devel/automake-1.16.5:1.16  )\n\t>=sys-devel/autoconf-2.71-r5\n\t>=sys-devel/libtool-2.4.7'
>declare BDEPEND=$'\n\tvirtual/pkgconfig\n\tdoc? ( app-doc/doxygen virtual/latex-base )\n\ttest? ( gcc-plugin? ( dev-scheme/guile ) )\n sys-devel/gnuconfig >=app-portage/elt-patches-20170815 || ( >=sys-devel/automake-1.16.5:1.16  )\n\t>=sys-devel/autoconf-2.71-r5\n\t>=sys-devel/libtool-2.4.7  fortran? ( virtual/fortran )'
>declare -x BINPKG_FORMAT="xpak"
>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 hardened pic xtpax -jit -orc"
>declare -x BROWSER="xdg-open"
>declare -x CALLIGRA_FEATURES=""
>declare -x CAMERAS=""
>declare -x CARGO_TERM_COLOR="never"
>declare -x CBUILD="x86_64-pc-linux-gnu"
>declare -x CFLAGS="-O2 -pipe -march=native -fno-diagnostics-color"
>declare -x CFLAGS_amd64="-m64"
>declare -x CFLAGS_default
>declare -x CFLAGS_x32="-mx32"
>declare -x CFLAGS_x86="-m32 -mfpmath=sse"
>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 CPU_FLAGS_ARM=""
>declare -x CPU_FLAGS_PPC=""
>declare -x CPU_FLAGS_X86=""
>declare -x CTARGET_default="x86_64-pc-linux-gnu"
>declare -- CUDA_VERBOSE="true"
>declare -x CURL_SSL=""
>declare -x CXXFLAGS="-O2 -pipe -march=native -fno-diagnostics-color"
>declare -x DATAPLOT_FILES="/usr/share/dataplot"
>declare -x DATAPLOT_WEB="OFF"
>declare -x DCC_EMAILLOG_WHOM_TO_BLAME=""
>declare -x DEFAULT_ABI="amd64"
>declare -x DEFINED_PHASES=" configure install prepare setup test"
>declare DEPEND=$'\n\tsci-mathematics/glpk:0=\n\tsys-apps/hwloc:0=\n\tblas? ( virtual/blas )\n\tcuda? ( dev-util/nvidia-cuda-toolkit\n\t\t\tx11-drivers/nvidia-drivers )\n\tfftw? ( sci-libs/fftw:3.0= )\n\tmpi? ( virtual/mpi )\n\topencl? ( virtual/opencl )\n\topengl? ( media-libs/freeglut:0= )\n\tvalgrind? ( dev-util/valgrind )\n  fortran? ( virtual/fortran )'
>declare DESCRIPTION="Unified runtime system for heterogeneous multicore architectures"
>declare -x DIROPTIONS="-m0755"
>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="7"
>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="1699168070.872162"
>declare -- EPOCHSECONDS="1699168070"
>declare -x ETCKEEPER_CONF_DIR="/etc/etckeeper"
>declare -x EXEOPTIONS="-m0755"
>declare -x F77="x86_64-pc-linux-gnu-gfortran"
>declare -x FC="x86_64-pc-linux-gnu-gfortran"
>declare -x FCFLAGS="-O2 -pipe -march=native -fno-diagnostics-color"
>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="-O2 -pipe -march=native -fno-diagnostics-color"
>declare -x FFTOOLS=""
>declare -- FORTRAN_NEEDED="fortran"
>declare -- FORTRAN_NEED_OPENMP="0"
>declare -- FORTRAN_STANDARD="90"
>declare -x GCC_COLORS=""
>declare -x GCC_SPECS=""
>declare -x GIT_PAGER="cat"
>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://starpu.gforge.inria.fr/"
>declare IDEPEND=""
>declare -x INHERITED=" gnuconfig toolchain-funcs multilib libtool autotools flag-o-matic cuda fortran-2"
>declare -x INPUT_DEVICES=""
>declare -x INSOPTIONS="-m0644"
>declare IUSE=$'\n\tblas cuda doc examples fftw fortran gcc-plugin mpi opencl opengl\n\tspinlock-check static-libs test valgrind\n '
>declare -x IUSE_EFFECTIVE="abi_x86_64 alpha amd64 amd64-linux arm arm64 arm64-macos blas cuda doc elibc_Darwin elibc_SunOS elibc_bionic elibc_glibc elibc_mingw elibc_musl examples fftw fortran gcc-plugin hppa ia64 kernel_Darwin kernel_SunOS kernel_linux loong m68k mips mpi opencl opengl ppc ppc-macos ppc64 ppc64-linux prefix prefix-guest prefix-stack riscv s390 sparc spinlock-check static-libs test valgrind x64-macos x64-solaris x86 x86-linux"
>declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-guest prefix-stack"
>declare -x JAVAC="/etc/java-config-2/current-system-vm/bin/javac"
>declare -x JAVA_HOME="/etc/java-config-2/current-system-vm"
>declare -x JDK_HOME="/etc/java-config-2/current-system-vm"
>declare -x KERNEL="linux"
>declare -x KERNEL_ABI="amd64"
>declare -x KEYWORDS="~alpha amd64 arm arm64 ~ia64 ~ppc ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux"
>declare -x L10N=""
>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,--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 LE_CONFIG_HOME="/etc/acme-sh/"
>declare -x LE_WORKING_DIR="/etc/acme-sh/"
>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 -x LIBREOFFICE_EXTENSIONS=""
>declare -x LICENSE="LGPL-2.1"
>declare -x LLVM_TARGETS=""
>declare -x LUA_SINGLE_TARGET=""
>declare -x LUA_TARGETS=""
>declare -x MAILTO="tinderbox"
>declare -x MAKEOPTS=" -j4"
>declare -x MANPAGER="manpager"
>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 NGINX_MODULES_HTTP=""
>declare -x NGINX_MODULES_MAIL=""
>declare -x NGINX_MODULES_STREAM=""
>declare -x NPM_CONFIG_GLOBALCONFIG="/etc/npm/npmrc"
>declare -- NVCCFLAGS="-O2"
>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 OPENMPI_FABRICS=""
>declare -x OPENMPI_OFED_FEATURES=""
>declare -x OPENMPI_RM=""
>declare -x ORACLE_HOME="/usr/lib64/oracle/client"
>declare -x PATH="/usr/lib/portage/python3.11/ebuild-helpers/xattr:/usr/lib/portage/python3.11/ebuild-helpers:/opt/c3-4:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/lib/llvm/17/bin:/usr/lib/llvm/16/bin:/usr/lib/llvm/15/bin:/var/spool/fax/bin:/usr/lib64/julia-1.9.0/bin"
>declare -x PAX_MARKINGS="none"
>declare PDEPEND=""
>declare -x PGPLOT_FONT="/usr/lib64/pgplot/grfont.dat"
>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/starpu-1.2.6-r1/html")
>declare -a PORTAGE_DOSTRIP=([0]="/")
>declare -a PORTAGE_DOSTRIP_SKIP=()
>declare -x PORTAGE_TMPFS="/dev/shm"
>declare -x PORT_LOGDIR="/var/log/portage"
>declare -x POSTGRES_TARGETS=""
>declare -x PRELINK_PATH_MASK="/usr/bin/bbkeys"
>declare -x PROFILE_IS_HARDENED="1"
>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 PYTHONDONTWRITEBYTECODE="1"
>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 RDEPEND=$'\n\tsci-mathematics/glpk:0=\n\tsys-apps/hwloc:0=\n\tblas? ( virtual/blas )\n\tcuda? ( dev-util/nvidia-cuda-toolkit\n\t\t\tx11-drivers/nvidia-drivers )\n\tfftw? ( sci-libs/fftw:3.0= )\n\tmpi? ( virtual/mpi )\n\topencl? ( virtual/opencl )\n\topengl? ( media-libs/freeglut:0= )\n\tvalgrind? ( dev-util/valgrind )\n  fortran? ( virtual/fortran )'
>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 ROS_MESSAGES=""
>declare -x RUBY_TARGETS=""
>declare -x RUST_TEST_TASKS="4"
>declare -x RUST_TEST_THREADS="4"
>declare -x S="/var/tmp/portage/dev-libs/starpu-1.2.6-r1/work/starpu-1.2.6"
>declare -x SANDBOX_DEBUG="0"
>declare -x SANDBOX_DENY=""
>declare -x SANDBOX_METHOD="any"
>declare -x SANDBOX_PREDICT="/var/tmp/portage/dev-libs/starpu-1.2.6-r1/homedir:/dev/crypto:/var/cache/man:/dev/random:/proc/self/coredump_filter:/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-libs/starpu-1.2.6-r1/homedir/.bash_history"
>declare -x SANE_BACKENDS=""
>declare -x SBCL_HOME="/usr/lib64/sbcl"
>declare -x SBCL_SOURCE_ROOT="/usr/lib64/sbcl/src"
>declare -x SHELL="/bin/bash"
>declare -x SLOT="0/5"
>declare -i SRANDOM="3215132076"
>declare SRC_URI="https://gforge.inria.fr/frs/download.php/file/37744/starpu-1.2.6.tar.gz"
>declare -x SVDIR="/etc/service/"
>declare -x SYMLINK_LIB="no"
>declare -x TASKDDATA="/var/lib/taskd"
>declare -x TERMINFO="/etc/terminfo"
>declare -x TERMINFO_DIRS="/usr/share/st/terminfo"
>declare -x TEXINPUTS="/usr/lib64/ocaml/ocamldoc:"
>declare -x TINDERBOX_IMAGE_NAME="17.1_no_multilib_hardened-20231028-162505"
>declare -x TNS_ADMIN="/etc/oracle/"
>declare -x TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
>declare -x UNCACHED_ERR_FD=""
>declare -x USE="abi_x86_64 amd64 blas elibc_glibc examples fortran gcc-plugin kernel_linux spinlock-check"
>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 WANT_AUTOCONF="2.71"
>declare -x WANT_AUTOMAKE="1.16"
>declare -x WANT_LIBTOOL="latest"
>declare -x WISECONFIGDIR="/usr/share/wise/wisecfg"
>declare -x XDG_CONFIG_DIRS="/etc/xdg"
>declare -x XDG_DATA_DIRS="/usr/local/share:/usr/share"
>declare -x XERCESC_NLS_HOME="/usr/share/xerces-c/msg"
>declare -x XTABLES_ADDONS=""
>declare -x XZ_OPT="-9 -T4"
>declare -- _AUTOTOOLS_AUTO_DEPEND="yes"
>declare -- _AUTOTOOLS_ECLASS="1"
>declare -- _CUDA_ECLASS="1"
>declare -- _FLAG_O_MATIC_ECLASS="1"
>declare -- _FORTRAN_2_ECLASS="1"
>declare -- _GNUCONFIG_CLASS="1"
>declare -a _LATEST_AUTOMAKE=([0]="1.16.5:1.16")
>declare -- _LIBTOOL_ECLASS="1"
>declare -- _MULTILIB_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 __tinderbox_bugz_timeout="timeout --signal=15 --kill-after=1m 3m"
>declare -- _f_use="fortran"
>declare -- _libtool_atom=">=sys-devel/libtool-2.4.7"
>declare -x ac_cv_c_undeclared_builtin_options="none needed"
>declare -x enable_year2038="no"
>declare -x gl_cv_compiler_check_decl_option="-Werror=implicit-function-declaration"
>SwitchGCC () 
>{ 
>    local highest;
>    highest=$(gcc-config --list-profiles --nocolor | cut -f 3 -d ' ' -s | grep -E 'x86_64-(pc|gentoo)-linux-(gnu|musl)-.*[0-9]$' | tail -n 1);
>    if ! gcc-config --list-profiles --nocolor | grep -q -F "$highest *"; then
>        local current;
>        current=$(gcc -dumpversion);
>        echo "major version change of gcc: $current -> $highest" | tee -a $taskfile.history;
>        gcc-config --nocolor $highest;
>        source_profile;
>        add2backlog "sys-devel/libtool";
>        if grep -q '^LIBTOOL="rdlibtool"' /etc/portage/make.conf; then
>            add2backlog "sys-devel/slibtool";
>        fi;
>        add2backlog "%emerge --unmerge sys-devel/gcc:$(cut -f 1 -d '.' <<< $current)";
>    fi
>}
>declare -fx SwitchGCC
>__eapi6_src_install () 
>{ 
>    if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
>        emake DESTDIR="${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
>}
>_at_uses_autoheader () 
>{ 
>    _at_uses_pkg A{C,M}_CONFIG_HEADER{S,}
>}
>_at_uses_automake () 
>{ 
>    _at_uses_pkg AM_INIT_AUTOMAKE
>}
>_at_uses_gettext () 
>{ 
>    _at_uses_pkg AM_GNU_GETTEXT_{,REQUIRE_}VERSION
>}
>_at_uses_glibgettext () 
>{ 
>    _at_uses_pkg AM_GLIB_GNU_GETTEXT
>}
>_at_uses_gnomedoc () 
>{ 
>    _at_uses_pkg GNOME_DOC_INIT
>}
>_at_uses_gtkdoc () 
>{ 
>    _at_uses_pkg GTK_DOC_CHECK
>}
>_at_uses_intltool () 
>{ 
>    _at_uses_pkg {AC,IT}_PROG_INTLTOOL
>}
>_at_uses_libltdl () 
>{ 
>    _at_uses_pkg LT_CONFIG_LTDL_DIR
>}
>_at_uses_libtool () 
>{ 
>    _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT
>}
>_at_uses_pkg () 
>{ 
>    if [[ -n $(autotools_check_macro "$@") ]]; then
>        return 0;
>    else
>        local macro args=();
>        for macro in "$@";
>        do
>            args+=(-e "^[[:space:]]*${macro}\>");
>        done;
>        grep -E -q "${args[@]}" configure.??;
>    fi
>}
>_automake_version () 
>{ 
>    autotools_run_tool --at-output automake --version 2> /dev/null | sed -n -e '1{s:.*(GNU automake) ::p;q}'
>}
>_autotools_m4dir_include () 
>{ 
>    local x include_opts flag;
>    [[ ${WANT_AUTOCONF} == "2.1" ]] && flag="l" || flag="I";
>    for x in "$@";
>    do
>        case ${x} in 
>            -${flag})
>
>            ;;
>            *)
>                [[ ! -d ${x} ]] && ewarn "${ECLASS}: '${x}' does not exist";
>                include_opts+=" -${flag} ${x}"
>            ;;
>        esac;
>    done;
>    echo ${include_opts}
>}
>_clang_fullversion () 
>{ 
>    local ver="$1";
>    shift;
>    set -- $($(tc-getCPP "$@") -E -P - <<< "__clang_major__ __clang_minor__ __clang_patchlevel__");
>    eval echo "${ver}"
>}
>_elibtoolize () 
>{ 
>    local LIBTOOLIZE=${LIBTOOLIZE:-$(type -P glibtoolize > /dev/null && echo glibtoolize || echo libtoolize)};
>    if [[ ${1} == "--auto-ltdl" ]]; then
>        shift;
>        _at_uses_libltdl && set -- "$@" --ltdl;
>    fi;
>    [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake;
>    autotools_run_tool ${LIBTOOLIZE} "$@"
>}
>_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[*]}"
>}
>_fortran-2_pkg_setup () 
>{ 
>    for _f_use in ${FORTRAN_NEEDED};
>    do
>        case ${_f_use} in 
>            always)
>                _fortran_test_function && break 2
>            ;;
>            no)
>                einfo "Forcing fortran support off";
>                break
>            ;;
>            *)
>                if use ${_f_use}; then
>                    _fortran_test_function && break 2;
>                else
>                    unset FC;
>                    unset F77;
>                fi
>            ;;
>        esac;
>    done
>}
>_fortran-has-openmp () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local flag;
>    local filebase=${T}/test-fc-openmp;
>    local fcode=${filebase}.f;
>    local ret;
>    local _fc=$(tc-getFC);
>    cat <<-EOF > "${fcode}" || 
>       call omp_get_num_threads
>       end
>EOF
> die
>    for flag in -fopenmp -xopenmp -openmp -mp -omp -qsmp=omp;
>    do
>        ${_fc} ${flag} "${fcode}" -o "${fcode}.x" &>> "${T}"/_fortran_compile_test.log;
>        ret=$?;
>        [[ ${ret} == 0 ]] && break;
>    done;
>    rm -f "${fcode}.x";
>    return ${ret}
>}
>_fortran_compile_test () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local filebase=${T}/test-fortran;
>    local fcomp=${1};
>    local fdia=${2};
>    local fcode=${filebase}.f${fdia};
>    local ret;
>    [[ $# -lt 1 ]] && die "_fortran_compile_test() needs at least one argument";
>    [[ -f ${fcode} ]] || _fortran_write_testsuite;
>    ${fcomp} "${fcode}" -o "${fcode}.x" >> "${T}"/_fortran_compile_test.log 2>&1;
>    ret=$?;
>    rm -f "${fcode}.x";
>    return ${ret}
>}
>_fortran_die_msg () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    eerror;
>    eerror "Please install currently selected gcc version with USE=fortran.";
>    eerror "If you intend to use a different compiler then gfortran, please";
>    eerror "set FC variable accordingly and take care that the necessary";
>    eerror "fortran dialects are supported.";
>    eerror;
>    die "Currently no working fortran compiler is available (see ${T}/_fortran_compile_test.log for information)"
>}
>_fortran_test_function () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local dialect;
>    : "${F77:=$(tc-getFC)}";
>    : "${FORTRAN_STANDARD:=77}";
>    for dialect in ${FORTRAN_STANDARD};
>    do
>        case ${dialect} in 
>            77)
>                _fortran_compile_test "$(tc-getF77)" || _fortran_die_msg
>            ;;
>            90 | 95)
>                _fortran_compile_test "$(tc-getFC)" 90 || _fortran_die_msg
>            ;;
>            2003)
>                _fortran_compile_test "$(tc-getFC)" 03 || _fortran_die_msg
>            ;;
>            2008)
>                die "Future"
>            ;;
>            *)
>                die "${dialect} is not a Fortran dialect."
>            ;;
>        esac;
>    done;
>    tc-export F77 FC;
>    einfo "Using following Fortran compiler:";
>    einfo "  F77: ${F77}";
>    einfo "  FC:  ${FC}";
>    if [[ ${FORTRAN_NEED_OPENMP} == 1 ]]; then
>        if _fortran-has-openmp; then
>            einfo "${FC} has OPENMP support";
>        else
>            die "Please install current gcc with USE=openmp or set the FC variable to a compiler that supports OpenMP";
>        fi;
>    fi
>}
>_fortran_write_testsuite () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local filebase=${T}/test-fortran;
>    cat <<-EOF > "${filebase}.f" || 
>       end
>EOF
> die
>    cat <<-EOF > "${filebase}.f90" || 
>end
>EOF
> die
>    cat <<-EOF > "${filebase}.f03" || 
>       procedure(), pointer :: p
>       end
>EOF
> die
>}
>_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}"
>}
>_is_flagq () 
>{ 
>    local x var="$1[*]";
>    for x in ${!var};
>    do
>        [[ ${x} == $2 ]] && return 0;
>    done;
>    return 1
>}
>_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 -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=*' -mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400 -mfix-rm7000 -mno-fix-rm7000 -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}
>}
>_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" >> $bl;
>            fi;
>        fi;
>    fi
>}
>declare -fx add2backlog
>all-flag-vars () 
>{ 
>    echo {ADA,C,CPP,CXX,CCAS,F,FC,LD}FLAGS
>}
>append-atomic-flags () 
>{ 
>    local code;
>    read -r -d '' code <<-EOF
>int main(void)
>{
>return 0;
>}
>EOF
>
>    test-compile "c+ld" "${code}" || return;
>    local bytesizes;
>    [[ "${#}" == "0" ]] && bytesizes=("1" "2" "4" "8") || bytesizes="${@}";
>    for bytesize in ${bytesizes[@]};
>    do
>        read -r -d '' code <<-EOF
>#include <stdint.h>
>int main(void)
>{
>uint$((${bytesize} * 8))_t a = 0;
>__atomic_add_fetch(&a, 3, __ATOMIC_RELAXED);
>__atomic_compare_exchange_n(&a, &a, 2, 1, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
>return 0;
>}
>EOF
>
>        test-compile "c+ld" "${code}" && continue
>        test-flags-CCLD "-latomic" &> /dev/null || die "-latomic is required but not supported by $(tc-getCC)";
>        append-libs "-latomic";
>        test-compile "c+ld" "${code}" || die "libatomic does not include an implementation of ${bytesize}-byte atomics for this toolchain";
>        return;
>    done
>}
>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
>}
>autotools_check_macro () 
>{ 
>    [[ -f configure.ac || -f configure.in ]] || return 0;
>    local trace_file=".__autoconf_trace_data";
>    if [[ ! -e ${trace_file} ]] || [[ ! aclocal.m4 -ot ${trace_file} ]]; then
>        WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2> /dev/null;
>    fi;
>    local macro args=();
>    for macro in "$@";
>    do
>        has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS";
>        args+=(-e ":${macro}:");
>    done;
>    grep "${args[@]}" ${trace_file}
>}
>autotools_check_macro_val () 
>{ 
>    local macro scan_out;
>    for macro in "$@";
>    do
>        autotools_check_macro "${macro}" | gawk -v macro="${macro}" '($0 !~ /^[[:space:]]*(#|dnl)/) {
>					if (match($0, macro ":(.*)$", res))
>						print res[1]
>				}' | uniq;
>    done;
>    return 0
>}
>autotools_env_setup () 
>{ 
>    if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
>        local pv;
>        for pv in ${_LATEST_AUTOMAKE[@]/#*:};
>        do
>            local hv_args="";
>            case ${EAPI} in 
>                6)
>                    hv_args="--host-root"
>                ;;
>                *)
>                    hv_args="-b"
>                ;;
>            esac;
>            has_version ${hv_args} "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}" && break;
>        done;
>        if use prefix && [[ ! -x "${BROOT}"/usr/bin/automake ]]; then
>            [[ ${WANT_AUTOMAKE} == "latest" ]] && ewarn "Ignoring missing automake during Prefix bootstrap! Tried ${_LATEST_AUTOMAKE[*]}";
>        else
>            [[ ${WANT_AUTOMAKE} == "latest" ]] && die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE[*]}";
>        fi;
>    fi;
>    [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.71
>}
>autotools_m4dir_include () 
>{ 
>    _autotools_m4dir_include ${AT_M4DIR}
>}
>autotools_m4sysdir_include () 
>{ 
>    local paths=($(eval echo ${AT_SYS_M4DIR}));
>    _autotools_m4dir_include "${paths[@]}"
>}
>autotools_run_tool () 
>{ 
>    local autofail=true m4flags=false missing_ok=false return_output=false;
>    while [[ -n ${1} ]]; do
>        case ${1} in 
>            --at-no-fail)
>                autofail=false
>            ;;
>            --at-m4flags)
>                m4flags=true
>            ;;
>            --at-missing)
>                missing_ok=true
>            ;;
>            --at-output)
>                return_output=true
>            ;;
>            *)
>                break
>            ;;
>        esac;
>        shift;
>    done;
>    if [[ ${EBUILD_PHASE_FUNC} != "src_prepare" ]]; then
>        eqawarn "Running '${1}' in ${EBUILD_PHASE_FUNC} phase";
>    fi;
>    if ${missing_ok} && ! type -P ${1} > /dev/null; then
>        einfo "Skipping '$*' because '${1}' not installed";
>        return 0;
>    fi;
>    autotools_env_setup;
>    local STDERR_TARGET="${T}/${1##*/}.out";
>    if [[ -e ${STDERR_TARGET} ]]; then
>        local i=1;
>        while :; do
>            STDERR_TARGET="${T}/${1##*/}-${i}.out";
>            [[ -e ${STDERR_TARGET} ]] || break;
>            : $(( i++ ));
>        done;
>    fi;
>    if ${m4flags}; then
>        set -- "${1}" $(autotools_m4dir_include) $(autotools_m4sysdir_include) "${@:2}";
>    fi;
>    if ${return_output}; then
>        "$@";
>        return;
>    fi;
>    printf "***** ${1} *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}";
>    ebegin "Running '$@'";
>    "$@" >> "${STDERR_TARGET}" 2>&1;
>    if ! eend $? && ${autofail}; then
>        echo;
>        eerror "Failed running '${1}'!";
>        eerror;
>        eerror "Include in your bug report the contents of:";
>        eerror;
>        eerror "  ${STDERR_TARGET}";
>        echo;
>        die "Failed running '${1}'!";
>    fi
>}
>checkEOL () 
>{ 
>    if [[ -f /var/tmp/tb/EOL || -f /var/tmp/tb/STOP ]]; then
>        exit 42;
>    fi
>}
>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.$2' "$@"
>}
>config_rpath_update () 
>{ 
>    local dst src;
>    case ${EAPI} in 
>        6)
>            src="${EPREFIX}/usr/share/gettext/config.rpath"
>        ;;
>        *)
>            src="${BROOT}/usr/share/gettext/config.rpath"
>        ;;
>    esac;
>    [[ $# -eq 0 ]] && set -- $(find -name config.rpath);
>    [[ $# -eq 0 ]] && return 0;
>    einfo "Updating all config.rpath files";
>    for dst in "$@";
>    do
>        einfo "   ${dst}";
>        cp "${src}" "${dst}" || die;
>    done
>}
>cuda_add_sandbox () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local i;
>    for i in /dev/nvidia*;
>    do
>        if [[ $1 == '-w' ]]; then
>            addwrite $i;
>        else
>            addpredict $i;
>        fi;
>    done
>}
>cuda_cudnn_version () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local v;
>    v="$(best_version dev-libs/cudnn)";
>    v="${v##*cudnn-}";
>    ver_cut 1-2 "${v}"
>}
>cuda_gccdir () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local dirs gcc_bindir ver vers="" flag;
>    if ! tc-is-gcc; then
>        ewarn "Currently we only support the gnu compiler suite";
>        return 2;
>    fi;
>    while [[ -n "$1" ]]; do
>        case $1 in 
>            -f)
>                flag="--compiler-bindir "
>            ;;
>            *)
>
>            ;;
>        esac;
>        shift;
>    done;
>    if ! vers="$(cuda-config -s)"; then
>        eerror "Could not execute cuda-config";
>        eerror "Make sure >=dev-util/nvidia-cuda-toolkit-4.2.9-r1 is installed";
>        die "cuda-config not found";
>    fi;
>    if [[ -z ${vers} ]]; then
>        die "Could not determine supported gcc versions from cuda-config";
>    fi;
>    ver=$(gcc-version);
>    if [[ -n "${ver}" ]] && [[ ${vers} =~ ${ver} ]]; then
>        dirs=("${EPREFIX}"/usr/*pc-linux-gnu/gcc-bin/${ver%.*}*/);
>        gcc_bindir="${dirs[${#dirs[@]}-1]}";
>    fi;
>    if [[ -z ${gcc_bindir} ]]; then
>        ver=$(best_version "sys-devel/gcc");
>        ver=$(ver_cut 1-2 "${ver##*sys-devel/gcc-}");
>        if [[ -n "${ver}" ]] && [[ ${vers} =~ ${ver} ]]; then
>            dirs=("${EPREFIX}"/usr/*pc-linux-gnu/gcc-bin/${ver%.*}*/);
>            gcc_bindir="${dirs[${#dirs[@]}-1]}";
>        fi;
>    fi;
>    for ver in ${vers};
>    do
>        if has_version "=sys-devel/gcc-${ver}*"; then
>            dirs=("${EPREFIX}"/usr/*pc-linux-gnu/gcc-bin/${ver%.*}*/);
>            gcc_bindir="${dirs[${#dirs[@]}-1]}";
>        fi;
>    done;
>    if [[ -n ${gcc_bindir} ]]; then
>        if [[ -n ${flag} ]]; then
>            echo "${flag}\"${gcc_bindir%/}\"";
>        else
>            echo "${gcc_bindir%/}";
>        fi;
>        return 0;
>    else
>        eerror "Only gcc version(s) ${vers} are supported,";
>        eerror "of which none is installed";
>        die "Only gcc version(s) ${vers} are supported";
>        return 1;
>    fi
>}
>cuda_sanitize () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local rawldflags=$(raw-ldflags);
>    [[ "${CUDA_VERBOSE}" == true ]] && NVCCFLAGS+=" -v";
>    NVCCFLAGS+=" $(cuda_gccdir -f)";
>    NVCCFLAGS+=" --compiler-options \"${CXXFLAGS}\" --linker-options \"${rawldflags// /,}\"";
>    debug-print "Using ${NVCCFLAGS} for cuda";
>    export NVCCFLAGS
>}
>cuda_src_prepare () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    cuda_sanitize
>}
>cuda_toolkit_version () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local v;
>    v="$(best_version dev-util/nvidia-cuda-toolkit)";
>    v="${v##*cuda-toolkit-}";
>    ver_cut 1-2 "${v}"
>}
>eaclocal () 
>{ 
>    if [[ ${EAPI} != 6 ]]; then
>        if [[ ! -f "${T}"/aclocal/dirlist ]]; then
>            mkdir "${T}"/aclocal || die;
>            cat <<-EOF > "${T}"/aclocal/dirlist || 
>${BROOT}/usr/share/aclocal
>${ESYSROOT}/usr/share/aclocal
>EOF
> die;
>        fi
>        local system_acdir=" --system-acdir=${T}/aclocal";
>    else
>        local system_acdir="";
>    fi;
>    [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags) ${system_acdir}
>}
>eaclocal_amflags () 
>{ 
>    local aclocal_opts amflags_file;
>    for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in;
>    do
>        [[ -e ${amflags_file} ]] || continue;
>        autotools_env_setup;
>        aclocal_opts=$(sed -n "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ 			  # match the first line
>			  s:[^=]*=::p; 			  # then gobble up all escaped lines
>			  : nextline /\\\\$/{ n; p; b nextline; } 			}" ${amflags_file});
>        eval aclocal_opts=\""${aclocal_opts}"\";
>        break;
>    done;
>    echo ${aclocal_opts}
>}
>eapply () 
>{ 
>    local failed patch_cmd=patch;
>    local -x LC_COLLATE=POSIX;
>    type -P gpatch > /dev/null && patch_cmd=gpatch;
>    function _eapply_patch () 
>    { 
>        local f=${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
>}
>eautoconf () 
>{ 
>    if [[ ! -f configure.ac && ! -f configure.in ]]; then
>        echo;
>        eerror "No configure.{ac,in} present in '${PWD}'!";
>        echo;
>        die "No configure.{ac,in} present!";
>    fi;
>    if [[ ${WANT_AUTOCONF} != "2.1" && -e configure.in ]]; then
>        case ${EAPI} in 
>            6 | 7)
>                eqawarn "This package has a configure.in file which has long been deprecated.  Please";
>                eqawarn "update it to use configure.ac instead as newer versions of autotools will die";
>                eqawarn "when it finds this file.  See https://bugs.gentoo.org/426262 for details."
>            ;;
>            *)
>                einfo "Moving configure.in to configure.ac (bug #426262)";
>                mv configure.{in,ac} || die
>            ;;
>        esac;
>    fi;
>    local _gnuconfig=$(gnuconfig_findnewest);
>    cp "${_gnuconfig}"/config.{guess,sub} . || die;
>    autotools_run_tool --at-m4flags autoconf "$@"
>}
>eautoheader () 
>{ 
>    _at_uses_autoheader || return 0;
>    autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
>}
>eautomake () 
>{ 
>    local extra_opts=();
>    local makefile_name;
>    for makefile_name in {GNUmakefile,{M,m}akefile}.am "";
>    do
>        [[ -f ${makefile_name} ]] && break;
>    done;
>    function _automake_version () 
>    { 
>        autotools_run_tool --at-output automake --version 2> /dev/null | sed -n -e '1{s:.*(GNU automake) ::p;q}'
>    };
>    if [[ -z ${makefile_name} ]]; then
>        _at_uses_automake || return 0;
>    else
>        if [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
>            local used_automake;
>            local installed_automake;
>            installed_automake=$(WANT_AUTOMAKE= _automake_version);
>            used_automake=$(head -n 1 < ${makefile_name%.am}.in | sed -e 's:.*by automake $.*$ from .*:\1:');
>            if [[ ${installed_automake} != ${used_automake} ]]; then
>                ewarn "Automake used for the package (${used_automake}) differs from" "the installed version (${installed_automake}).";
>                ewarn "Forcing a full rebuild of the autotools to workaround.";
>                eautoreconf;
>                return 0;
>            fi;
>        fi;
>    fi;
>    [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] || extra_opts+=(--foreign);
>    case $(_automake_version) in 
>        1.4 | 1.4[.-]*)
>
>        ;;
>        *)
>            extra_opts+=(--force-missing)
>        ;;
>    esac;
>    autotools_run_tool automake --add-missing --copy "${extra_opts[@]}" "$@"
>}
>eautopoint () 
>{ 
>    autotools_run_tool autopoint "$@"
>}
>eautoreconf () 
>{ 
>    local x g;
>    if [[ -z ${AT_NO_RECURSIVE} ]]; then
>        for x in $(autotools_check_macro_val AC_CONFIG_SUBDIRS);
>        do
>            if [[ -d ${x} ]]; then
>                pushd "${x}" > /dev/null;
>                AT_NOELIBTOOLIZE="yes" eautoreconf || die;
>                popd > /dev/null;
>            fi;
>        done;
>    fi;
>    einfo "Running eautoreconf in '${PWD}' ...";
>    local m4dirs=$(autotools_check_macro_val AC_CONFIG_{AUX,MACRO}_DIR);
>    [[ -n ${m4dirs} ]] && mkdir -p ${m4dirs};
>    local i tools=(glibgettext false "autotools_run_tool glib-gettextize --copy --force" gettext false "autotools_run_tool --at-missing autopoint --force" intltool false "autotools_run_tool intltoolize --automake --copy --force" gtkdoc false "autotools_run_tool --at-missing gtkdocize --copy" gnomedoc false "autotools_run_tool --at-missing gnome-doc-prepare --copy --force" libtool false "_elibtoolize --auto-ltdl --install --copy --force");
>    for ((i = 0; i < ${#tools[@]}; i += 3 ))
>    do
>        if _at_uses_${tools[i]}; then
>            tools[i+1]=true;
>            ${tools[i+2]};
>        fi;
>    done;
>    local rerun_aclocal=false;
>    eaclocal;
>    for ((i = 0; i < ${#tools[@]}; i += 3 ))
>    do
>        if ! ${tools[i+1]} && _at_uses_${tools[i]}; then
>            ${tools[i+2]};
>            rerun_aclocal=true;
>        fi;
>    done;
>    ${rerun_aclocal} && eaclocal;
>    if [[ ${WANT_AUTOCONF} == "2.1" ]]; then
>        eautoconf;
>    else
>        eautoconf --force;
>    fi;
>    [[ ${AT_NOEAUTOHEADER} != "yes" ]] && eautoheader;
>    [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS};
>    if [[ ${AT_NOELIBTOOLIZE} != "yes" ]]; then
>        elibtoolize --force "${PWD}";
>    fi;
>    return 0
>}
>econf_build () 
>{ 
>    local CBUILD=${CBUILD:-${CHOST}};
>    function econf_env () 
>    { 
>        CHOST=${CBUILD} econf "$@"
>    };
>    tc-env_build econf_env "$@"
>}
>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"
>}
>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
>}
>fortran-2_pkg_setup () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    if [[ ${MERGE_TYPE} != binary ]]; then
>        _fortran-2_pkg_setup;
>    fi
>}
>fortran_int64_abi_fflags () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local _FC=$(tc-getFC);
>    if [[ ${_FC} == *gfortran* ]]; then
>        echo "-fdefault-integer-8";
>    else
>        if [[ ${_FC} == ifort ]]; then
>            echo "-integer-size 64";
>        else
>            die "Compiler flag for 64bit integer for ${_FC} unknown";
>        fi;
>    fi
>}
>gcc-fullversion () 
>{ 
>    _gcc_fullversion '$1.$2.$3' "$@"
>}
>gcc-major-version () 
>{ 
>    _gcc_fullversion '$1' "$@"
>}
>gcc-micro-version () 
>{ 
>    _gcc_fullversion '$3' "$@"
>}
>gcc-minor-version () 
>{ 
>    _gcc_fullversion '$2' "$@"
>}
>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.$2' "$@"
>}
>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
>}
>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_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_modname () 
>{ 
>    local modname;
>    local ver=$1;
>    case ${CHOST} in 
>        *-darwin*)
>            modname="bundle"
>        ;;
>        *)
>            modname="so"
>        ;;
>    esac;
>    echo ".${modname}"
>}
>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/ /}" ]
>}
>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_final_abi () 
>{ 
>    has_multilib_profile || return 0;
>    set -- $(get_install_abis);
>    local LAST_ABI=$#;
>    [[ ${!LAST_ABI} == ${ABI} ]]
>}
>multilib_env () 
>{ 
>    local CTARGET=${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 $#
>}
>pkg_nofetch () 
>{ 
>    default
>}
>pkg_setup () 
>{ 
>    fortran-2_pkg_setup "$@"
>}
>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-util/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
>}
>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 ${EAPI}.";
>    _setup-allowed-flags "$@"
>}
>source_profile () 
>{ 
>    set +u;
>    source /etc/profile 2> /dev/null;
>    set -u
>}
>declare -fx source_profile
>src_compile () 
>{ 
>    default
>}
>src_configure () 
>{ 
>    use blas && export BLAS_LIBS="$($(tc-getPKG_CONFIG) --libs blas)";
>    econf --disable-magma $(use mpi && use_enable test mpi-check) $(use_enable cuda) $(use_enable doc build-doc) $(use_enable fftw starpufft) $(use_enable fortran) $(use_enable gcc-plugin gcc-extensions) $(use_enable opencl) $(use_enable opengl opengl-render) $(use_enable spinlock-check) $(use_enable static-libs static) $(use_enable valgrind) $(use_with mpi mpicc "$(type -P mpicc)") --disable-build-examples --disable-debug --disable-fstack-protector-all --disable-full-gdb-information --disable-starpu-top
>}
>src_install () 
>{ 
>    default;
>    use doc && dodoc -r doc/doxygen/*.pdf doc/doxygen/html;
>    if use examples; then
>        dodoc -r examples;
>        docompress -x /usr/share/doc/${PF}/examples;
>    fi;
>    find "${ED}" -name '*.la' -delete || die
>}
>src_prepare () 
>{ 
>    default;
>    sed -i -e '/Libs.private/s/@LDFLAGS@//g' *.pc.in */*.pc.in || die;
>    sed -i -e 's:-O3::g;s:-D_FORTIFY_SOURCE=1::g' configure.ac || die;
>    eautoreconf;
>    use cuda && cuda_src_prepare
>}
>src_test () 
>{ 
>    emake -j1 showcheck
>}
>src_unpack () 
>{ 
>    default
>}
>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 ${LDFLAGS})
>}
>tc-arch () 
>{ 
>    tc-ninja_magic_to_arch portage "$@"
>}
>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-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 ${res} in 
>        *HAVE_LIBCXX*)
>            echo libc++
>        ;;
>        *HAVE_LIBSTDCPP*)
>            echo libstdc++
>        ;;
>        *)
>            return 1
>        ;;
>    esac;
>    return 0
>}
>tc-getAR () 
>{ 
>    tc-getPROG AR ar "$@"
>}
>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 () 
>{ 
>    [[ $(tc-get-compiler-type) == gcc ]]
>}
>tc-is-softfloat () 
>{ 
>    tc-detect-is-softfloat || tc-tuple-is-softfloat
>}
>tc-is-static-only () 
>{ 
>    local host=${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
>}
>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) == *$1* ]]; then
>        return 0;
>    else
>        return 1;
>    fi
>}
>ver_cut () 
>{ 
>    local range=${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 916881: 874105 | 874106 | 874107 | 874108 | 874109 | 874110 | 874111 | 874112