Attachment 476442 Details for Bug 621774 – environment

environment

environment (text/plain), 106.02 KB, created by Toralf Förster on 2017-06-14 17:56:02 UTC

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Creator: Toralf Förster

Created: 2017-06-14 17:56:02 UTC

Size: 106.02 KB

patch

obsolete

>declare -x ABI="amd64"
>declare -x ABI_X86="64"
>declare -x ALSA_CARDS="hda-intel"
>declare -x ANT_HOME="/usr/share/ant"
>declare -x APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias"
>declare -x ARCH="amd64"
>declare -x BOOTSTRAP_USE="cxx unicode internal-glib python_targets_python3_4 python_targets_python2_7 multilib"
>declare -- CABAL_DEBUG_LOOSENING=""
>declare -- CABAL_EXTRA_BUILD_FLAGS=""
>declare -- CABAL_EXTRA_CONFIGURE_FLAGS=""
>declare -- CABAL_EXTRA_TEST_FLAGS=""
>declare -- CABAL_FEATURES="lib profile haddock hoogle hscolour"
>declare -- CABAL_HAS_LIBRARIES="yes"
>declare -- CABAL_USE_HADDOCK="yes"
>declare -- CABAL_USE_HOOGLE=""
>declare -- CABAL_USE_HSCOLOUR="yes"
>declare -- CABAL_USE_PROFILE="yes"
>declare -x CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author"
>declare -x CATKIN_PREFIX_PATH="/usr"
>declare -x CBUILD="x86_64-pc-linux-gnu"
>declare -x CFLAGS="-O2 -pipe -march=native -Wall"
>declare -x CFLAGS_amd64="-m64"
>declare -x CFLAGS_default
>declare -x CFLAGS_x32="-mx32"
>declare -x CFLAGS_x86="-m32"
>declare -x CG_COMPILER_EXE="/opt/bin/cgc"
>declare -x CG_INC_PATH="/opt/nvidia-cg-toolkit/include"
>declare -x CG_LIB_PATH="/opt/nvidia-cg-toolkit/lib64"
>declare -x CHOST="x86_64-pc-linux-gnu"
>declare -x CHOST_amd64="x86_64-pc-linux-gnu"
>declare -x CHOST_default="x86_64-pc-linux-gnu"
>declare -x CHOST_x32="x86_64-pc-linux-gnux32"
>declare -x CHOST_x86="i686-pc-linux-gnu"
>declare -x COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"
>declare -x CPU_FLAGS_X86="mmx mmxext sse sse2"
>declare -x CTARGET_default="x86_64-pc-linux-gnu"
>declare -x CXXFLAGS="-Werror=terminate -O2 -pipe -march=native"
>declare -x DEFAULT_ABI="amd64"
>declare -x DEFINED_PHASES=" compile configure install postinst postrm setup test"
>declare DEPEND=">=dev-lang/ghc-6.10.4:=
>		>=dev-haskell/cabal-1.2  doc? ( || ( dev-haskell/haddock >=dev-lang/ghc-7.10.2 ) ) hscolour? ( dev-haskell/hscolour )"
>declare DESCRIPTION="An interface to the GNU readline library"
>declare -x DESTTREE="/usr"
>declare -x DIALIGN2_DIR="/usr/share/dialign2"
>declare -x DIROPTIONS="-m0755"
>declare -x EAPI="5"
>declare -x ELIBC="glibc"
>declare -x EMBOSS_ACDROOT="/usr/share/EMBOSS/acd"
>declare -x EMBOSS_DATA="/usr/share/EMBOSS/data"
>declare -- EPATCH_COMMON_OPTS="-g0 -E --no-backup-if-mismatch"
>declare -- EPATCH_EXCLUDE=""
>declare -- EPATCH_FORCE="no"
>declare -- EPATCH_MULTI_MSG="Applying various patches (bugfixes/updates) ..."
>declare -- EPATCH_OPTS=""
>declare -- EPATCH_SINGLE_MSG=""
>declare -- EPATCH_SOURCE="/var/tmp/portage/dev-haskell/readline-1.0.3.0/work/patch"
>declare -- EPATCH_SUFFIX="patch.bz2"
>declare -- EPATCH_USER_SOURCE="/etc/portage/patches"
>declare -x EXEOPTIONS="-m0755"
>declare -x FCFLAGS="-O2 -pipe"
>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"
>declare -x FLTK_DOCDIR="/usr/share/doc/fltk-1.3.4/html"
>declare -x GCC_COLORS=""
>declare -x GCC_SPECS=""
>declare -- GHC_BOOTSTRAP_FLAGS=""
>declare -x GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx"
>declare -x GRUB_PLATFORMS=""
>declare -x GSETTINGS_BACKEND="dconf"
>declare -- HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install pkg_postinst pkg_postrm src_configure"
>declare HDEPEND=""
>declare HOMEPAGE="http://hackage.haskell.org/package/readline"
>declare -x INHERITED=" estack epatch toolchain-funcs multilib ltprune eutils multiprocessing versionator ghc-package haskell-cabal"
>declare -x INPUT_DEVICES="evdev libinput"
>declare -x INSDESTTREE=""
>declare -x INSOPTIONS="-m0644"
>declare IUSE=" doc hscolour profile"
>declare -x IUSE_EFFECTIVE="abi_x86_64 alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 doc elibc_AIX elibc_Cygwin elibc_Darwin elibc_DragonFly elibc_FreeBSD elibc_HPUX elibc_Interix elibc_NetBSD elibc_OpenBSD elibc_SunOS elibc_Winnt elibc_bionic elibc_glibc elibc_mingw elibc_mintlib elibc_musl elibc_uclibc hppa hscolour ia64 kernel_AIX kernel_Darwin kernel_FreeBSD kernel_HPUX kernel_NetBSD kernel_OpenBSD kernel_SunOS kernel_Winnt kernel_freemint kernel_linux m68k m68k-mint mips nios2 ppc ppc-aix ppc-macos ppc64 ppc64-linux prefix prefix-chain prefix-guest profile riscv s390 sh sparc sparc-fbsd sparc-solaris sparc64-solaris userland_BSD userland_GNU x64-cygwin x64-macos x64-solaris x86 x86-cygwin x86-fbsd x86-linux x86-macos x86-solaris x86-winnt"
>declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-chain prefix-guest"
>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 ~ia64 ~ppc ~ppc64 ~sparc ~x86"
>declare -x L10N="csb gug mai ru tg vi"
>declare -x LADSPA_PATH="/usr/lib64/ladspa"
>declare -x LAGAN_DIR="/usr/lib64/lagan"
>declare -x LANG="en_US.utf8"
>declare -x LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"
>declare -x LC_MESSAGES="C"
>declare -x LDFLAGS="-Wl,-O1 -Wl,--as-needed"
>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 LD_LIBRARY_PATH="/usr/lib64/ghc-8.0.2"
>declare -x LIBDIR_amd64="lib64"
>declare -x LIBDIR_default="lib"
>declare -x LIBDIR_x32="libx32"
>declare -x LIBDIR_x86="lib32"
>declare -x LIBOPTIONS="-m0644"
>declare -x LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"
>declare -x LICENSE="GPL-2"
>declare -x MAKEOPTS="-j1"
>declare -x MANPAGER="manpager"
>declare -x MULTILIB_ABIS="amd64 x86"
>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|gcc-lib|binutils|eclipse-3|debug|portage|udev|systemd|clang|python-exec|llvm)"
>declare -x NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"
>declare -x NINJAFLAGS="-j1"
>declare -x OFFICE_IMPLEMENTATION="libreoffice"
>declare -x OMNIORB_CONFIG="/etc/omniorb/omniORB.cfg"
>declare -x OPENGL_PROFILE="xorg-x11"
>declare -x PATH="/usr/lib/portage/python3.4/ebuild-helpers/xattr:/usr/lib/portage/python3.4/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/6.3.0:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/opt/nvidia-cg-toolkit/bin"
>declare PDEPEND=""
>declare -x PHP_TARGETS="php5-6"
>declare -x PKG_CONFIG_PATH="/usr/lib64/pkgconfig"
>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/readline-1.0.3.0/html")
>declare -x PRELINK_PATH_MASK="/usr/bin/bbkeys"
>declare -x PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USERLAND USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL USE_EXPAND_VALUES_USERLAND"
>declare -x PROPERTIES=""
>declare -x PROVIDE=""
>declare -x PYTHIA8DATA="/usr/share/pythia8/xmldoc"
>declare -x PYTHONDONTWRITEBYTECODE="1"
>declare -x PYTHON_SINGLE_TARGET="python3_4"
>declare -x PYTHON_TARGETS="python2_7 python3_4"
>declare -- QA_CONFIGURE_OPTIONS=" --with-compiler --with-hc --with-hc-pkg --with-gcc"
>declare -x QT_GRAPHICSSYSTEM="raster"
>declare RDEPEND=">=dev-lang/ghc-6.10.4:= "
>declare REPOSITORY
>declare REQUIRED_USE=""
>declare -x RESTRICT=""
>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_MASTER_URI="http://localhost:11311/"
>declare -x ROS_PACKAGE_PATH="/usr/share/ros_packages"
>declare -x ROS_ROOT="/usr/share/ros"
>declare -x RUBY_TARGETS="ruby21 ruby22"
>declare -x S="/var/tmp/portage/dev-haskell/readline-1.0.3.0/work/readline-1.0.3.0"
>declare -x SANDBOX_DEBUG="0"
>declare -x SANDBOX_DENY=""
>declare -x SANDBOX_PREDICT="/var/tmp/portage/dev-haskell/readline-1.0.3.0/homedir:/dev/crypto:/proc/self/coredump_filter:/var/cache/fontconfig"
>declare -x SANDBOX_READ="/:/var/tmp"
>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:/tmp/:/usr/lib32/cf:/usr/lib32/conftest:/usr/lib64/cf:/usr/lib64/conftest:/usr/lib/cf:/usr/lib/conftest:/usr/tmp/cf:/usr/tmp/conftest:/var/tmp:/var/tmp/:/var/tmp/portage/dev-haskell/readline-1.0.3.0/homedir/.bash_history"
>declare -x SBCL_HOME="/usr/lib64/sbcl"
>declare -x SBCL_SOURCE_ROOT="/usr/lib64/sbcl/src"
>declare -x SHELL="/bin/bash"
>declare -x SLOT="0/1.0.3.0"
>declare SRC_URI="mirror://hackage/packages/archive/readline/1.0.3.0/readline-1.0.3.0.tar.gz"
>declare -x SYMLINK_LIB="yes"
>declare -x USE="abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU"
>declare -x USERLAND="GNU"
>declare -x USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL USERLAND"
>declare -x USE_EXPAND_UNPREFIXED="ARCH"
>declare -x USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 hppa ia64 m68k m68k-mint mips nios2 ppc ppc64 ppc64-linux ppc-aix ppc-macos riscv s390 sh sparc sparc64-solaris sparc-fbsd sparc-solaris x64-cygwin x64-macos x64-solaris x86 x86-cygwin x86-fbsd x86-linux x86-macos x86-solaris x86-winnt"
>declare -x USE_EXPAND_VALUES_ELIBC="AIX bionic Cygwin Darwin DragonFly FreeBSD glibc HPUX Interix mingw mintlib musl NetBSD OpenBSD SunOS uclibc Winnt"
>declare -x USE_EXPAND_VALUES_KERNEL="AIX Darwin FreeBSD freemint HPUX linux NetBSD OpenBSD SunOS Winnt"
>declare -x USE_EXPAND_VALUES_USERLAND="BSD GNU"
>declare -x VIDEO_CARDS="intel i965"
>declare -x XDG_CACHE_HOME="/root/cache"
>declare -x XDG_CONFIG_DIRS="/etc/xdg"
>declare -x XDG_CONFIG_HOME="/root/config"
>declare -x XDG_DATA_DIRS="/usr/local/share:/usr/share"
>declare -x XDG_DATA_HOME="/root/share"
>declare -x XDG_DESKTOP_DIR="/root/Desktop"
>declare -x XDG_DOCUMENTS_DIR="/root/Documents"
>declare -x XDG_DOWNLOAD_DIR="/root/Downloads"
>declare -x XDG_MUSIC_DIR="/root/Music"
>declare -x XDG_PICTURES_DIR="/root/Pictures"
>declare -x XDG_PUBLICSHARE_DIR="/root/Public"
>declare -x XDG_RUNTIME_DIR="/root/run"
>declare -x XDG_TEMPLATES_DIR="/root/Templates"
>declare -x XDG_VIDEOS_DIR="/root/Videos"
>declare -x XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
>declare -- _CABAL_VERSION_CACHE=""
>declare -- _EPATCH_ECLASS="1"
>declare -- _ESTACK_ECLASS="1"
>declare -a _ESTACK_eshopts_=()
>declare -- _EUTILS_ECLASS="1"
>declare -x _E_DOCDESTTREE_=""
>declare -x _E_EXEDESTTREE_=""
>declare -- _GHC_LIBDIR_CACHE=""
>declare -- _GHC_PM_VERSION_CACHE=""
>declare -- _GHC_VERSION_CACHE=""
>declare -- _LTPRUNE_ECLASS="1"
>declare -- _MULTILIB_ECLASS="1"
>declare -- _MULTIPROCESSING_ECLASS="1"
>declare -- _TOOLCHAIN_FUNCS_ECLASS="1"
>declare -- _VERSIONATOR_ECLASS="1"
>declare -- feature="hscolour"
>declare -- phase_func
>__eapi6_src_install () 
>{ 
>    if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
>        emake DESTDIR="${D}" install;
>    fi;
>    einstalldocs
>}
>__eapi6_src_prepare () 
>{ 
>    if [[ $(declare -p PATCHES 2>/dev/null) == "declare -a"* ]]; then
>        [[ -n ${PATCHES[@]} ]] && eapply "${PATCHES[@]}";
>    else
>        if [[ -n ${PATCHES} ]]; then
>            eapply ${PATCHES};
>        fi;
>    fi;
>    eapply_user
>}
>_clang_fullversion () 
>{ 
>    local ver="$1";
>    shift;
>    set -- $($(tc-getCPP "$@") -E -P - <<<"__clang_major__ __clang_minor__ __clang_patchlevel__");
>    eval echo "$ver"
>}
>_eutils_eprefix_init () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && : ${ED:=${D}} ${EPREFIX:=} ${EROOT:=${ROOT}}
>}
>_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"
>}
>_iconins () 
>{ 
>    ( local funcname=$1;
>    shift;
>    local size dir;
>    local context=apps;
>    local theme=hicolor;
>    while [[ $# -gt 0 ]]; do
>        case $1 in 
>            -s | --size)
>                if [[ ${2%%x*}x${2%%x*} == "$2" ]]; then
>                    size=${2%%x*};
>                else
>                    size=${2};
>                fi;
>                case ${size} in 
>                    16 | 22 | 24 | 32 | 36 | 48 | 64 | 72 | 96 | 128 | 192 | 256 | 512)
>                        size=${size}x${size}
>                    ;;
>                    scalable)
>
>                    ;;
>                    *)
>                        eerror "${size} is an unsupported icon size!";
>                        exit 1
>                    ;;
>                esac;
>                shift 2
>            ;;
>            -t | --theme)
>                theme=${2};
>                shift 2
>            ;;
>            -c | --context)
>                context=${2};
>                shift 2
>            ;;
>            *)
>                if [[ -z ${size} ]]; then
>                    insinto /usr/share/pixmaps;
>                else
>                    insinto /usr/share/icons/${theme}/${size}/${context};
>                fi;
>                if [[ ${funcname} == doicon ]]; then
>                    if [[ -f $1 ]]; then
>                        doins "${1}";
>                    else
>                        if [[ -d $1 ]]; then
>                            shopt -s nullglob;
>                            doins "${1}"/*.{png,svg};
>                            shopt -u nullglob;
>                        else
>                            eerror "${1} is not a valid file/directory!";
>                            exit 1;
>                        fi;
>                    fi;
>                else
>                    break;
>                fi;
>                shift 1
>            ;;
>        esac;
>    done;
>    if [[ ${funcname} == newicon ]]; then
>        newins "$@";
>    fi ) || die
>}
>_multijob_fork () 
>{ 
>    [[ $# -eq 1 ]] || die "incorrect number of arguments";
>    local ret=0;
>    [[ $1 == "post" ]] && : $(( ++mj_num_jobs ));
>    if [[ ${mj_num_jobs} -ge ${mj_max_jobs} ]]; then
>        multijob_finish_one;
>        ret=$?;
>    fi;
>    [[ $1 == "pre" ]] && : $(( ++mj_num_jobs ));
>    return ${ret}
>}
>_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}"
>}
>bashpid () 
>{ 
>    sh -c 'echo ${PPID}'
>}
>built_with_use () 
>{ 
>    _eutils_eprefix_init;
>    local hidden="no";
>    if [[ $1 == "--hidden" ]]; then
>        hidden="yes";
>        shift;
>    fi;
>    local missing_action="die";
>    if [[ $1 == "--missing" ]]; then
>        missing_action=$2;
>        shift;
>        shift;
>        case ${missing_action} in 
>            true | false | die)
>
>            ;;
>            *)
>                die "unknown action '${missing_action}'"
>            ;;
>        esac;
>    fi;
>    local opt=$1;
>    [[ ${opt:0:1} = "-" ]] && shift || opt="-a";
>    local PKG=$(best_version $1);
>    [[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package";
>    shift;
>    local USEFILE=${EROOT}/var/db/pkg/${PKG}/USE;
>    local IUSEFILE=${EROOT}/var/db/pkg/${PKG}/IUSE;
>    if [[ ! -e ${USEFILE} ]] || [[ ! -e ${IUSEFILE} && ${hidden} == "no" ]]; then
>        case ${missing_action} in 
>            true)
>                return 0
>            ;;
>            false)
>                return 1
>            ;;
>            die)
>                die "Unable to determine what USE flags $PKG was built with"
>            ;;
>        esac;
>    fi;
>    if [[ ${hidden} == "no" ]]; then
>        local IUSE_BUILT=($(<"${IUSEFILE}"));
>        local expand;
>        for expand in $(echo ${USE_EXPAND} | tr '[:upper:]' '[:lower:]');
>        do
>            if [[ $1 == ${expand}_* ]]; then
>                expand="";
>                break;
>            fi;
>        done;
>        if [[ -n ${expand} ]]; then
>            if ! has $1 ${IUSE_BUILT[@]#[-+]}; then
>                case ${missing_action} in 
>                    true)
>                        return 0
>                    ;;
>                    false)
>                        return 1
>                    ;;
>                    die)
>                        die "$PKG does not actually support the $1 USE flag!"
>                    ;;
>                esac;
>            fi;
>        fi;
>    fi;
>    local USE_BUILT=$(<${USEFILE});
>    while [[ $# -gt 0 ]]; do
>        if [[ ${opt} = "-o" ]]; then
>            has $1 ${USE_BUILT} && return 0;
>        else
>            has $1 ${USE_BUILT} || return 1;
>        fi;
>        shift;
>    done;
>    [[ ${opt} = "-a" ]]
>}
>cabal-bootstrap () 
>{ 
>    local setupmodule;
>    local cabalpackage;
>    local setup_bootstrap_args=();
>    if [[ -f "${S}/Setup.lhs" ]]; then
>        setupmodule="${S}/Setup.lhs";
>    else
>        if [[ -f "${S}/Setup.hs" ]]; then
>            setupmodule="${S}/Setup.hs";
>        else
>            eqawarn "No Setup.lhs or Setup.hs found. Either add Setup.hs to package or call cabal-mksetup from ebuild";
>            cabal-mksetup;
>            setupmodule="${S}/Setup.hs";
>        fi;
>    fi;
>    cabalpackage=Cabal-$(cabal-version);
>    einfo "Using cabal-$(cabal-version).";
>    if $(ghc-supports-threaded-runtime); then
>        setup_bootstrap_args+=(-threaded);
>    fi;
>    function make_setup () 
>    { 
>        set -- -package "${cabalpackage}" --make "${setupmodule}" $(ghc-make-args) "${setup_bootstrap_args[@]}" ${HCFLAGS} ${GHC_BOOTSTRAP_FLAGS} "$@" -o setup;
>        echo $(ghc-getghc) "$@";
>        $(ghc-getghc) "$@"
>    };
>    if $(ghc-supports-shared-libraries); then
>        einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH";
>        if [[ ${CHOST} != *-darwin* ]]; then
>            LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}";
>            export LD_LIBRARY_PATH;
>        else
>            DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}";
>            export DYLD_LIBRARY_PATH;
>        fi;
>        { 
>            make_setup -dynamic "$@" && ./setup --help > /dev/null
>        } || make_setup "$@" || die "compiling ${setupmodule} failed";
>    else
>        make_setup "$@" || die "compiling ${setupmodule} failed";
>    fi
>}
>cabal-build () 
>{ 
>    set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@";
>    echo ./setup "$@";
>    ./setup "$@" || die "setup build failed"
>}
>cabal-configure () 
>{ 
>    local cabalconf=();
>    has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=;
>    if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
>        local p=${EPREFIX}/usr/bin/haddock-ghc-$(ghc-version);
>        if [[ -f $p ]]; then
>            cabalconf+=(--with-haddock="${p}");
>        else
>            cabalconf+=(--with-haddock=${EPREFIX}/usr/bin/haddock);
>        fi;
>    fi;
>    if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
>        cabalconf+=(--enable-library-profiling);
>    fi;
>    if [[ -n "${CABAL_TEST_SUITE}" ]]; then
>        cabalconf+=($(use_enable test tests));
>    fi;
>    if [[ -n "${CABAL_GHC_CONSTRAINT}" ]]; then
>        cabalconf+=($(cabal-constraint "ghc"));
>    fi;
>    cabalconf+=(--ghc-options="$(ghc-make-args)");
>    local option;
>    for option in ${HCFLAGS};
>    do
>        cabalconf+=(--ghc-option="$option");
>    done;
>    cabalconf+=(--with-ar="$(tc-getAR)");
>    if use ppc64; then
>        cabalconf+=(--disable-library-for-ghci);
>    fi;
>    local flag;
>    for flag in $CFLAGS;
>    do
>        cabalconf+=(--ghc-option="-optc$flag");
>    done;
>    for flag in $LDFLAGS;
>    do
>        cabalconf+=(--ghc-option="-optl$flag");
>    done;
>    cabalconf+=(--disable-executable-stripping);
>    cabalconf+=(--docdir="${EPREFIX}"/usr/share/doc/${PF});
>    cabalconf+=(--verbose);
>    [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && $(ghc-supports-shared-libraries) && cabalconf+=(--enable-shared);
>    if $(ghc-supports-shared-libraries); then
>        if version_is_at_least "7.10.0.20150316" "$(ghc-version)"; then
>            cabalconf+=(--enable-shared);
>            cabalconf+=(--enable-executable-dynamic);
>        fi;
>    fi;
>    if ./setup configure --help | grep -q -- --sysconfdir; then
>        cabalconf+=(--sysconfdir="${EPREFIX}"/etc);
>    fi;
>    if ./setup configure --help | grep -q -- --disable-library-stripping; then
>        cabalconf+=(--disable-library-stripping);
>    fi;
>    set -- configure --ghc --prefix="${EPREFIX}"/usr --with-compiler="$(ghc-getghc)" --with-hc-pkg="$(ghc-getghcpkg)" --prefix="${EPREFIX}"/usr --libdir="${EPREFIX}"/usr/$(get_libdir) --libsubdir=${P}/ghc-$(ghc-version) --datadir="${EPREFIX}"/usr/share/ --datasubdir=${P}/ghc-$(ghc-version) "${cabalconf[@]}" ${CABAL_CONFIGURE_FLAGS} ${CABAL_EXTRA_CONFIGURE_FLAGS} "$@";
>    echo ./setup "$@";
>    ./setup "$@" || cabal-show-brokens-and-die "setup configure failed"
>}
>cabal-constraint () 
>{ 
>    while read p v; do
>        echo "--constraint \"$p == $v\"";
>    done < $(ghc-pkgdeps ${1})
>}
>cabal-copy () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D};
>    set -- copy --destdir="${D}" "$@";
>    echo ./setup "$@";
>    ./setup "$@" || die "setup copy failed";
>    rmdir "${ED}/usr/bin" 2> /dev/null
>}
>cabal-die-if-nonempty () 
>{ 
>    local breakage_type=$1;
>    shift;
>    [[ "${#@}" == 0 ]] && return 0;
>    eerror "Detected ${breakage_type} packages: ${@}";
>    die "//==-- Please, run 'haskell-updater' to fix ${breakage_type} packages --==//"
>}
>cabal-haddock () 
>{ 
>    set -- haddock "$@";
>    echo ./setup "$@";
>    ./setup "$@" || die "setup haddock failed"
>}
>cabal-hoogle () 
>{ 
>    ewarn "hoogle USE flag requires doc USE flag, building without hoogle"
>}
>cabal-hoogle-haddock () 
>{ 
>    set -- haddock --hoogle;
>    echo ./setup "$@";
>    ./setup "$@" || die "setup haddock --hoogle failed"
>}
>cabal-hoogle-hscolour () 
>{ 
>    ewarn "hoogle USE flag requires doc USE flag, building without hoogle";
>    cabal-hscolour
>}
>cabal-hoogle-hscolour-haddock () 
>{ 
>    cabal-hscolour-haddock;
>    cabal-hoogle-haddock
>}
>cabal-hscolour () 
>{ 
>    set -- hscolour "$@";
>    echo ./setup "$@";
>    ./setup "$@" || die "setup hscolour failed"
>}
>cabal-hscolour-haddock () 
>{ 
>    set -- haddock --hyperlink-source;
>    echo ./setup "$@";
>    ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
>}
>cabal-is-dummy-lib () 
>{ 
>    local bin_ghc_version=$(ghc-version);
>    local pm_ghc_version=$(ghc-pm-version);
>    for version in ${CABAL_CORE_LIB_GHC_PV};
>    do
>        [[ "${bin_ghc_version}" == ${version} ]] && return 0;
>        [[ "${pm_ghc_version}" == ${version} ]] && return 0;
>    done;
>    return 1
>}
>cabal-mksetup () 
>{ 
>    local setupdir=${1:-${S}};
>    local setup_src=${setupdir}/Setup.hs;
>    rm -vf "${setupdir}"/Setup.{lhs,hs};
>    elog "Creating 'Setup.hs' for 'Simple' build type.";
>    echo 'import Distribution.Simple; main = defaultMain' > "${setup_src}" || die "failed to create default Setup.hs"
>}
>cabal-pkg () 
>{ 
>    if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
>        ./setup register --gen-pkg-config="${T}/${P}.conf";
>        ghc-install-pkg "${T}/${P}.conf";
>    fi
>}
>cabal-show-brokens () 
>{ 
>    elog "ghc-pkg check: 'checking for other broken packages:'";
>    $(ghc-getghcpkg) check 2>&1 | egrep -v '^Warning: haddock-(html|interfaces): ' | egrep -v '^Warning: include-dirs: ' | head -n 20;
>    cabal-die-if-nonempty 'broken' $($(ghc-getghcpkg) check --simple-output)
>}
>cabal-show-brokens-and-die () 
>{ 
>    cabal-show-brokens;
>    cabal-show-old;
>    die "$@"
>}
>cabal-show-old () 
>{ 
>    cabal-die-if-nonempty 'outdated' $("${EPREFIX}"/usr/sbin/haskell-updater --quiet --upgrade --list-only)
>}
>cabal-version () 
>{ 
>    if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
>        if [[ -n "${CABAL_BOOTSTRAP}" ]]; then
>            _CABAL_VERSION_CACHE="${PV}";
>        else
>            if [[ -n "${CABAL_FROM_GHC}" ]]; then
>                _CABAL_VERSION_CACHE="$(ghc-cabal-version)";
>            else
>                _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)";
>            fi;
>        fi;
>    fi;
>    echo "${_CABAL_VERSION_CACHE}"
>}
>cabal_chdeps () 
>{ 
>    local cabal_fn=${MY_PN:-${PN}}.cabal;
>    local cf=${CABAL_FILE:-${S}/${cabal_fn}};
>    local from_ss;
>    local to_ss;
>    local orig_c;
>    local new_c;
>    [[ -f $cf ]] || die "cabal file '$cf' does not exist";
>    orig_c=$(< "$cf");
>    while :; do
>        from_pat=$1;
>        to_str=$2;
>        [[ -n ${from_pat} ]] || break;
>        [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part";
>        einfo "CHDEP: '${from_pat}' -> '${to_str}'";
>        from_pat=${from_pat//\*/\\*};
>        from_pat=${from_pat//\[/\\[};
>        new_c=${orig_c//${from_pat}/${to_str}};
>        if [[ -n $CABAL_DEBUG_LOOSENING ]]; then
>            echo "${orig_c}" > "${T}/${cf}".pre;
>            echo "${new_c}" > "${T}/${cf}".post;
>            diff -u "${T}/${cf}".{pre,post};
>        fi;
>        [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_pat}'";
>        orig_c=${new_c};
>        shift;
>        shift;
>    done;
>    echo "${new_c}" > "$cf" || die "failed to update"
>}
>cabal_flag () 
>{ 
>    if [[ -z "$1" ]]; then
>        echo "!!! cabal_flag() called without a parameter." 1>&2;
>        echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" 1>&2;
>        return 1;
>    fi;
>    local UWORD=${2:-$1};
>    if use "$1"; then
>        echo "--flags=${UWORD}";
>    else
>        echo "--flags=-${UWORD}";
>    fi;
>    return 0
>}
>cabal_src_compile () 
>{ 
>    if ! has "${EAPI:-0}" 0 1; then
>        local passed_flag;
>        for passed_flag in "$@";
>        do
>            [[ ${passed_flag} == --flags=* ]] && eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()";
>        done;
>    fi;
>    cabal-is-dummy-lib && return;
>    has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@";
>    cabal-build;
>    if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
>        if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
>            if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
>                cabal-hoogle-hscolour-haddock;
>            else
>                cabal-hscolour-haddock;
>            fi;
>        else
>            if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
>                cabal-hoogle-haddock;
>            else
>                cabal-haddock;
>            fi;
>        fi;
>    else
>        if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
>            if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
>                cabal-hoogle-hscolour;
>            else
>                cabal-hscolour;
>            fi;
>        else
>            if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
>                cabal-hoogle;
>            fi;
>        fi;
>    fi
>}
>cabal_src_configure () 
>{ 
>    haskell-cabal_src_configure "$@"
>}
>cabal_src_install () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=;
>    if ! cabal-is-dummy-lib; then
>        cabal-copy;
>        cabal-pkg;
>    fi;
>    local ghc_confdir_with_prefix="$(ghc-confdir)";
>    dodir ${ghc_confdir_with_prefix#${EPREFIX}};
>    local hint_db="${D}/$(ghc-confdir)";
>    local hint_file="${hint_db}/${PF}.conf";
>    mkdir -p "${hint_db}" || die;
>    touch "${hint_file}" || die
>}
>check-for-collisions () 
>{ 
>    local localpkgconf=$1;
>    local checked_pkg;
>    local initial_pkg_db="$(ghc-libdir)/package.conf.d.initial";
>    for checked_pkg in `$(ghc-getghcpkgbin) -f "${localpkgconf}" list --simple-output`;
>    do
>        local collided=`$(ghc-getghcpkgbin) -f ${initial_pkg_db} list --simple-output "${checked_pkg}"`;
>        if [[ -n ${collided} ]]; then
>            eerror "Cabal package '${checked_pkg}' is shipped with '$(ghc-pm-version)' ('$(ghc-version)').";
>            eerror "Ebuild author forgot an entry in CABAL_CORE_LIB_GHC_PV='${CABAL_CORE_LIB_GHC_PV}'.";
>            eerror "Found in ${initial_pkg_db}.";
>            die;
>        fi;
>    done
>}
>check_license () 
>{ 
>    die "you no longer need this as portage supports ACCEPT_LICENSE itself"
>}
>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.$2' "$@"
>}
>delete_all_version_separators () 
>{ 
>    replace_all_version_separators "" "${1}"
>}
>delete_version_separator () 
>{ 
>    replace_version_separator "${1}" "" "${2}"
>}
>doicon () 
>{ 
>    _iconins ${FUNCNAME} "$@"
>}
>domenu () 
>{ 
>    ( local i j ret=0;
>    insinto /usr/share/applications;
>    for i in "$@";
>    do
>        if [[ -f ${i} ]]; then
>            doins "${i}";
>            ((ret+=$?));
>        else
>            if [[ -d ${i} ]]; then
>                for j in "${i}"/*.desktop;
>                do
>                    doins "${j}";
>                    ((ret+=$?));
>                done;
>            else
>                ((++ret));
>            fi;
>        fi;
>    done;
>    exit ${ret} )
>}
>ebeep () 
>{ 
>    ewarn "QA Notice: ebeep is not defined in EAPI=${EAPI}, please file a bug at https://bugs.gentoo.org"
>}
>econf_build () 
>{ 
>    local CBUILD=${CBUILD:-${CHOST}};
>    tc-env_build econf --build=${CBUILD} --host=${CBUILD} "$@"
>}
>ecvs_clean () 
>{ 
>    [[ $# -eq 0 ]] && set -- .;
>    find "$@" -type d -name 'CVS' -prune -print0 | xargs -0 rm -rf;
>    find "$@" -type f -name '.cvs*' -print0 | xargs -0 rm -rf
>}
>edos2unix () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    sed -i 's/\r$//' -- "$@" || die
>}
>egit_clean () 
>{ 
>    [[ $# -eq 0 ]] && set -- .;
>    find "$@" -type d -name '.git*' -prune -print0 | xargs -0 rm -rf
>}
>einstalldocs () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    local dodoc_opts=-r;
>    has ${EAPI} 0 1 2 3 && dodoc_opts=;
>    if ! declare -p DOCS &> /dev/null; then
>        local d;
>        for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS FAQ CREDITS CHANGELOG;
>        do
>            if [[ -s ${d} ]]; then
>                dodoc "${d}" || die;
>            fi;
>        done;
>    else
>        if [[ $(declare -p DOCS) == "declare -a"* ]]; then
>            if [[ -n ${DOCS[@]} ]]; then
>                dodoc ${dodoc_opts} "${DOCS[@]}" || die;
>            fi;
>        else
>            if [[ -n ${DOCS} ]]; then
>                dodoc ${dodoc_opts} ${DOCS} || die;
>            fi;
>        fi;
>    fi;
>    if [[ $(declare -p HTML_DOCS 2>/dev/null) == "declare -a"* ]]; then
>        if [[ -n ${HTML_DOCS[@]} ]]; then
>            dohtml -r "${HTML_DOCS[@]}" || die;
>        fi;
>    else
>        if [[ -n ${HTML_DOCS} ]]; then
>            dohtml -r ${HTML_DOCS} || die;
>        fi;
>    fi;
>    return 0
>}
>emktemp () 
>{ 
>    local exe="touch";
>    [[ $1 == -d ]] && exe="mkdir" && shift;
>    local topdir=$1;
>    if [[ -z ${topdir} ]]; then
>        [[ -z ${T} ]] && topdir="/tmp" || topdir=${T};
>    fi;
>    if ! type -P mktemp > /dev/null; then
>        local tmp=/;
>        while [[ -e ${tmp} ]]; do
>            tmp=${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM};
>        done;
>        ${exe} "${tmp}" || ${exe} -p "${tmp}";
>        echo "${tmp}";
>    else
>        if [[ ${exe} == "touch" ]]; then
>            TMPDIR="${topdir}" mktemp -t tmp.XXXXXXXXXX;
>        else
>            TMPDIR="${topdir}" mktemp -dt tmp.XXXXXXXXXX;
>        fi;
>    fi
>}
>epatch () 
>{ 
>    function _epatch_draw_line () 
>    { 
>        [[ -z $1 ]] && set "$(printf "%65s" '')";
>        echo "${1//?/=}"
>    };
>    unset P4CONFIG P4PORT P4USER;
>    local EPATCH_OPTS=(${EPATCH_OPTS[*]});
>    while [[ $# -gt 0 ]]; do
>        case $1 in 
>            -*)
>                EPATCH_OPTS+=("$1")
>            ;;
>            *)
>                break
>            ;;
>        esac;
>        shift;
>    done;
>    if [[ $# -gt 1 ]]; then
>        local m;
>        for m in "$@";
>        do
>            epatch "${m}";
>        done;
>        return 0;
>    fi;
>    local SINGLE_PATCH="no";
>    [[ $# -eq 0 ]] && set -- "${EPATCH_SOURCE}";
>    if [[ -f $1 ]]; then
>        SINGLE_PATCH="yes";
>        set -- "$1";
>        local EPATCH_SUFFIX=$1;
>    else
>        if [[ -d $1 ]]; then
>            evar_push_set LC_COLLATE C;
>            set -- "$1"/*${EPATCH_SUFFIX:+."${EPATCH_SUFFIX}"};
>            evar_pop;
>        else
>            if [[ -f ${EPATCH_SOURCE}/$1 ]]; then
>                epatch "${EPATCH_SOURCE}/$1";
>                return $?;
>            else
>                [[ $# -ne 0 ]] && EPATCH_SOURCE=$1;
>                echo;
>                eerror "Cannot find \$EPATCH_SOURCE!  Value for \$EPATCH_SOURCE is:";
>                eerror;
>                eerror "  ${EPATCH_SOURCE}";
>                eerror "  ( ${EPATCH_SOURCE##*/} )";
>                echo;
>                die "Cannot find \$EPATCH_SOURCE!";
>            fi;
>        fi;
>    fi;
>    EPATCH_OPTS="${EPATCH_COMMON_OPTS} ${EPATCH_OPTS[*]}";
>    local PIPE_CMD;
>    case ${EPATCH_SUFFIX##*\.} in 
>        xz)
>            PIPE_CMD="xz -dc"
>        ;;
>        lzma)
>            PIPE_CMD="lzma -dc"
>        ;;
>        bz2)
>            PIPE_CMD="bzip2 -dc"
>        ;;
>        gz | Z | z)
>            PIPE_CMD="gzip -dc"
>        ;;
>        ZIP | zip)
>            PIPE_CMD="unzip -p"
>        ;;
>        *)
>
>        ;;
>    esac;
>    [[ ${SINGLE_PATCH} == "no" ]] && einfo "${EPATCH_MULTI_MSG}";
>    local x;
>    for x in "$@";
>    do
>        [[ ! -f ${x} ]] && continue;
>        local patchname=${x##*/};
>        local a=${patchname#*_};
>        a=${a%%_*};
>        if ! [[ ${SINGLE_PATCH} == "yes" || ${EPATCH_FORCE} == "yes" || ${a} == all || ${a} == ${ARCH} ]]; then
>            continue;
>        fi;
>        if [[ -n ${EPATCH_EXCLUDE}${EPATCH_USER_EXCLUDE} ]]; then
>            eshopts_push -o noglob;
>            local ex;
>            for ex in ${EPATCH_EXCLUDE};
>            do
>                if [[ ${patchname} == ${ex} ]]; then
>                    einfo "  Skipping ${patchname} due to EPATCH_EXCLUDE ...";
>                    eshopts_pop;
>                    continue 2;
>                fi;
>            done;
>            for ex in ${EPATCH_USER_EXCLUDE};
>            do
>                if [[ ${patchname} == ${ex} ]]; then
>                    einfo "  Skipping ${patchname} due to EPATCH_USER_EXCLUDE ...";
>                    eshopts_pop;
>                    continue 2;
>                fi;
>            done;
>            eshopts_pop;
>        fi;
>        if [[ ${SINGLE_PATCH} == "yes" ]]; then
>            if [[ -n ${EPATCH_SINGLE_MSG} ]]; then
>                einfo "${EPATCH_SINGLE_MSG}";
>            else
>                einfo "Applying ${patchname} ...";
>            fi;
>        else
>            einfo "  ${patchname} ...";
>        fi;
>        local patch="patch";
>        eval $(alias patch 2>/dev/null | sed 's:^alias ::');
>        local STDERR_TARGET="${T}/${patchname}.out";
>        if [[ -e ${STDERR_TARGET} ]]; then
>            STDERR_TARGET="${T}/${patchname}-$$.out";
>        fi;
>        printf "***** %s *****\nPWD: %s\nPATCH TOOL: %s -> %s\nVERSION INFO:\n%s\n\n" "${patchname}" "${PWD}" "${patch}" "$(type -P "${patch}")" "$(${patch} --version)" > "${STDERR_TARGET}";
>        local count=0;
>        local PATCH_TARGET;
>        if [[ -n ${PIPE_CMD} ]]; then
>            PATCH_TARGET="${T}/$$.patch";
>            echo "PIPE_COMMAND:  ${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> "${STDERR_TARGET}";
>            if ! ( ${PIPE_CMD} "${x}" > "${PATCH_TARGET}" ) >> "${STDERR_TARGET}" 2>&1; then
>                echo;
>                eerror "Could not extract patch!";
>                count=5;
>                break;
>            fi;
>        else
>            PATCH_TARGET=${x};
>        fi;
>        local abs_paths=$(egrep -n '^[-+]{3} /' "${PATCH_TARGET}" | awk '$2 != "/dev/null" { print }');
>        if [[ -n ${abs_paths} ]]; then
>            count=1;
>            printf "NOTE: skipping -p0 due to absolute paths in patch:\n%s\n" "${abs_paths}" >> "${STDERR_TARGET}";
>        fi;
>        local rel_paths=$(egrep -n '^[-+]{3} [^	]*[.][.]/' "${PATCH_TARGET}");
>        if [[ -n ${rel_paths} ]]; then
>            echo;
>            eerror "Rejected Patch: ${patchname} !";
>            eerror " ( ${PATCH_TARGET} )";
>            eerror;
>            eerror "Your patch uses relative paths '../':";
>            eerror "${rel_paths}";
>            echo;
>            die "you need to fix the relative paths in patch";
>        fi;
>        local patch_cmd;
>        while [[ ${count} -lt 5 ]]; do
>            patch_cmd="${patch} -p${count} ${EPATCH_OPTS}";
>            ( _epatch_draw_line "***** ${patchname} *****";
>            echo;
>            echo "PATCH COMMAND:  ${patch_cmd} --dry-run -f < '${PATCH_TARGET}'";
>            echo;
>            _epatch_draw_line "***** ${patchname} *****";
>            ${patch_cmd} --dry-run -f < "${PATCH_TARGET}" 2>&1;
>            ret=$?;
>            echo;
>            echo "patch program exited with status ${ret}";
>            exit ${ret} ) >> "${STDERR_TARGET}";
>            if [ $? -eq 0 ]; then
>                ( _epatch_draw_line "***** ${patchname} *****";
>                echo;
>                echo "ACTUALLY APPLYING ${patchname} ...";
>                echo "PATCH COMMAND:  ${patch_cmd} < '${PATCH_TARGET}'";
>                echo;
>                _epatch_draw_line "***** ${patchname} *****";
>                ${patch_cmd} < "${PATCH_TARGET}" 2>&1;
>                ret=$?;
>                echo;
>                echo "patch program exited with status ${ret}";
>                exit ${ret} ) >> "${STDERR_TARGET}";
>                if [ $? -ne 0 ]; then
>                    echo;
>                    eerror "A dry-run of patch command succeeded, but actually";
>                    eerror "applying the patch failed!";
>                    count=5;
>                fi;
>                break;
>            fi;
>            : $(( count++ ));
>        done;
>        (( EPATCH_N_APPLIED_PATCHES++ ));
>        if [[ -n ${PIPE_CMD} ]]; then
>            rm -f "${PATCH_TARGET}";
>        fi;
>        if [[ ${count} -ge 5 ]]; then
>            echo;
>            eerror "Failed Patch: ${patchname} !";
>            eerror " ( ${PATCH_TARGET} )";
>            eerror;
>            eerror "Include in your bugreport the contents of:";
>            eerror;
>            eerror "  ${STDERR_TARGET}";
>            echo;
>            die "Failed Patch: ${patchname}!";
>        fi;
>        rm -f "${STDERR_TARGET}";
>        cat >> "${T}/epatch.log"  <<-EOF
>PATCH: ${x}
>CMD: ${patch_cmd}
>PWD: ${PWD}
>
>EOF
>
>        eend 0;
>    done;
>    [[ ${SINGLE_PATCH} == "no" ]] && einfo "Done with patching";
>    :
>}
>epatch_user () 
>{ 
>    [[ $# -ne 0 ]] && die "epatch_user takes no options";
>    local applied="${T}/epatch_user.log";
>    [[ -e ${applied} ]] && return 2;
>    local EPATCH_SOURCE check;
>    for check in ${CATEGORY}/{${P}-${PR},${P},${PN}}{,:${SLOT%/*}};
>    do
>        EPATCH_SOURCE=${EPATCH_USER_SOURCE}/${CTARGET}/${check};
>        [[ -r ${EPATCH_SOURCE} ]] || EPATCH_SOURCE=${EPATCH_USER_SOURCE}/${CHOST}/${check};
>        [[ -r ${EPATCH_SOURCE} ]] || EPATCH_SOURCE=${EPATCH_USER_SOURCE}/${check};
>        if [[ -d ${EPATCH_SOURCE} ]]; then
>            local old_n_applied_patches=${EPATCH_N_APPLIED_PATCHES:-0};
>            EPATCH_SOURCE=${EPATCH_SOURCE} EPATCH_SUFFIX="patch" EPATCH_FORCE="yes" EPATCH_MULTI_MSG="Applying user patches from ${EPATCH_SOURCE} ..." epatch;
>            echo "${EPATCH_SOURCE}" > "${applied}";
>            if [[ ${old_n_applied_patches} -lt ${EPATCH_N_APPLIED_PATCHES} ]]; then
>                has epatch_user_death_notice ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" epatch_user_death_notice";
>            fi;
>            return 0;
>        fi;
>    done;
>    echo "none" > "${applied}";
>    return 1
>}
>epatch_user_death_notice () 
>{ 
>    ewarn "!!! User patches were applied to this build!"
>}
>epause () 
>{ 
>    ewarn "QA Notice: epause is not defined in EAPI=${EAPI}, please file a bug at https://bugs.gentoo.org"
>}
>eshopts_pop () 
>{ 
>    local s;
>    estack_pop eshopts s || die "${FUNCNAME}: unbalanced push";
>    eval "${s}" || die "${FUNCNAME}: sanity: invalid shopt options: ${s}"
>}
>eshopts_push () 
>{ 
>    if [[ $1 == -[su] ]]; then
>        estack_push eshopts "$(shopt -p)";
>        [[ $# -eq 0 ]] && return 0;
>        shopt "$@" || die "${FUNCNAME}: bad options to shopt: $*";
>    else
>        estack_push eshopts "$(shopt -p -o)";
>        [[ $# -eq 0 ]] && return 0;
>        set "$@" || die "${FUNCNAME}: bad options to set: $*";
>    fi
>}
>estack_pop () 
>{ 
>    [[ $# -eq 0 || $# -gt 2 ]] && die "estack_pop: incorrect # of arguments";
>    local _estack_name="_ESTACK_$1_";
>    shift;
>    local _estack_retvar=$1;
>    shift;
>    eval local _estack_i=\${#${_estack_name}\[@\]};
>    [[ $(( --_estack_i )) -eq -1 ]] && return 1;
>    if [[ -n ${_estack_retvar} ]]; then
>        eval ${_estack_retvar}=\"\${${_estack_name}\[${_estack_i}\]}\";
>    fi;
>    eval unset \"${_estack_name}\[${_estack_i}\]\"
>}
>estack_push () 
>{ 
>    [[ $# -eq 0 ]] && die "estack_push: incorrect # of arguments";
>    local stack_name="_ESTACK_$1_";
>    shift;
>    eval ${stack_name}+=$ \"\$@\" $
>}
>esvn_clean () 
>{ 
>    [[ $# -eq 0 ]] && set -- .;
>    find "$@" -type d -name '.svn' -prune -print0 | xargs -0 rm -rf
>}
>eumask_pop () 
>{ 
>    [[ $# -eq 0 ]] || die "${FUNCNAME}: we take no options";
>    local s;
>    estack_pop eumask s || die "${FUNCNAME}: unbalanced push";
>    umask ${s} || die "${FUNCNAME}: sanity: could not restore umask: ${s}"
>}
>eumask_push () 
>{ 
>    estack_push eumask "$(umask)";
>    umask "$@" || die "${FUNCNAME}: bad options to umask: $*"
>}
>evar_pop () 
>{ 
>    local cnt=${1:-bad};
>    case $# in 
>        0)
>            cnt=1
>        ;;
>        1)
>            isdigit "${cnt}" || die "${FUNCNAME}: first arg must be a number: $*"
>        ;;
>        *)
>            die "${FUNCNAME}: only accepts one arg: $*"
>        ;;
>    esac;
>    local var val;
>    while (( cnt-- )); do
>        estack_pop evar val || die "${FUNCNAME}: unbalanced push";
>        estack_pop evar var || die "${FUNCNAME}: unbalanced push";
>        [[ ${val} == "unset_76fc3c462065bb4ca959f939e6793f94" ]] && unset ${var} || printf -v "${var}" '%s' "${val}";
>    done
>}
>evar_push () 
>{ 
>    local var val;
>    for var in "$@";
>    do
>        [[ ${!var+set} == "set" ]] && val=${!var} || val="unset_76fc3c462065bb4ca959f939e6793f94";
>        estack_push evar "${var}" "${val}";
>    done
>}
>evar_push_set () 
>{ 
>    local var=$1;
>    evar_push ${var};
>    case $# in 
>        1)
>            unset ${var}
>        ;;
>        2)
>            printf -v "${var}" '%s' "$2"
>        ;;
>        *)
>            die "${FUNCNAME}: incorrect # of args: $*"
>        ;;
>    esac
>}
>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 () 
>{ 
>    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* | *-freebsd* | *-openbsd* | *-netbsd*)
>            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 $(which ${CHOST}-ld.bfd) "${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 ${lib}";
>    done
>}
>get_abi_CFLAGS () 
>{ 
>    get_abi_var CFLAGS "$@"
>}
>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_after_major_version () 
>{ 
>    echo $(get_version_component_range 2- "${1:-${PV}}")
>}
>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_all_version_components () 
>{ 
>    eshopts_push -s extglob;
>    local ver_str=${1:-${PV}} result;
>    result=();
>    if [[ ${VERSIONATOR_CACHE_VER_STR} == ${ver_str} ]]; then
>        echo ${VERSIONATOR_CACHE_RESULT};
>        eshopts_pop;
>        return;
>    fi;
>    export VERSIONATOR_CACHE_VER_STR=${ver_str};
>    while [[ -n $ver_str ]]; do
>        case "${ver_str::1}" in 
>            [[:digit:]])
>                result+=("${ver_str%%[^[:digit:]]*}");
>                ver_str=${ver_str##+([[:digit:]])}
>            ;;
>            [-_.])
>                result+=("${ver_str::1}");
>                ver_str=${ver_str:1}
>            ;;
>            [[:alpha:]])
>                local not_match=${ver_str##+([[:alpha:]])*([[:digit:]])};
>                result+=("${ver_str::${#ver_str} - ${#not_match}}");
>                ver_str=${not_match}
>            ;;
>            *)
>                result+=("${ver_str::1}");
>                ver_str=${ver_str:1}
>            ;;
>        esac;
>    done;
>    export VERSIONATOR_CACHE_RESULT=${result[*]};
>    echo ${result[@]};
>    eshopts_pop
>}
>get_exeext () 
>{ 
>    case ${CHOST} in 
>        *-cygwin* | 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_last_version_component_index () 
>{ 
>    echo $(($(get_version_component_count "${1:-${PV}}" ) - 1))
>}
>get_libdir () 
>{ 
>    local CONF_LIBDIR;
>    if [ -n "${CONF_LIBDIR_OVERRIDE}" ]; then
>        echo ${CONF_LIBDIR_OVERRIDE};
>    else
>        get_abi_LIBDIR;
>    fi
>}
>get_libname () 
>{ 
>    local libname;
>    local ver=$1;
>    case ${CHOST} in 
>        *-cygwin*)
>            libname="dll.a"
>        ;;
>        mingw* | *-mingw*)
>            libname="dll"
>        ;;
>        *-darwin*)
>            libname="dylib"
>        ;;
>        *-mint*)
>            libname="irrelevant"
>        ;;
>        hppa*-hpux*)
>            libname="sl"
>        ;;
>        *)
>            libname="so"
>        ;;
>    esac;
>    if [[ -z $* ]]; then
>        echo ".${libname}";
>    else
>        for ver in "$@";
>        do
>            case ${CHOST} in 
>                *-cygwin*)
>                    echo ".${ver}.${libname}"
>                ;;
>                *-darwin*)
>                    echo ".${ver}.${libname}"
>                ;;
>                *-mint*)
>                    echo ".${libname}"
>                ;;
>                *)
>                    echo ".${libname}.${ver}"
>                ;;
>            esac;
>        done;
>    fi
>}
>get_major_version () 
>{ 
>    local c=($(get_all_version_components "${1:-${PV}}"));
>    echo ${c[0]}
>}
>get_modname () 
>{ 
>    local modname;
>    local ver=$1;
>    case ${CHOST} in 
>        *-darwin*)
>            modname="bundle"
>        ;;
>        *)
>            modname="so"
>        ;;
>    esac;
>    echo ".${modname}"
>}
>get_nproc () 
>{ 
>    local nproc;
>    if type -P nproc &> /dev/null; then
>        nproc=$(nproc);
>    fi;
>    if [[ -z ${nproc} ]] && type -P sysctl &> /dev/null; then
>        nproc=$(sysctl -n hw.ncpu 2>/dev/null);
>    fi;
>    if [[ -z ${nproc} ]] && type -P python &> /dev/null; then
>        nproc=$(python -c 'import multiprocessing; print(multiprocessing.cpu_count());' 2>/dev/null);
>    fi;
>    if [[ -n ${nproc} ]]; then
>        echo "${nproc}";
>    else
>        echo "${1:-1}";
>    fi
>}
>get_version_component_count () 
>{ 
>    local a=($(get_version_components "${1:-${PV}}"));
>    echo ${#a[@]}
>}
>get_version_component_range () 
>{ 
>    eshopts_push -s extglob;
>    local c v="${2:-${PV}}" range="${1}" range_start range_end;
>    local -i i=-1 j=0;
>    c=($(get_all_version_components "${v}"));
>    range_start=${range%-*};
>    range_start=${range_start:-1};
>    range_end=${range#*-};
>    range_end=${range_end:-${#c[@]}};
>    while ((j < range_start)); do
>        i+=1;
>        ((i > ${#c[@]})) && eshopts_pop && return;
>        [[ -n "${c[i]//[-._]}" ]] && j+=1;
>    done;
>    while ((j <= range_end)); do
>        echo -n ${c[i]};
>        ((i > ${#c[@]})) && eshopts_pop && return;
>        [[ -n "${c[i]//[-._]}" ]] && j+=1;
>        i+=1;
>    done;
>    eshopts_pop
>}
>get_version_components () 
>{ 
>    local c=$(get_all_version_components "${1:-${PV}}");
>    echo ${c//[-._]/ }
>}
>ghc-cabal-version () 
>{ 
>    if version_is_at_least "7.9.20141222" "$(ghc-version)"; then
>        set -- `$(ghc-getghcpkg) --package-db=$(ghc-libdir)/package.conf.d.initial field Cabal version`;
>        echo "$2";
>    else
>        local cabal_package=`echo "$(ghc-libdir)"/Cabal-*`;
>        echo "${cabal_package/*Cabal-/}";
>    fi
>}
>ghc-confdir () 
>{ 
>    echo "$(ghc-libdir)/gentoo"
>}
>ghc-extractportageversion () 
>{ 
>    local pkg;
>    local version;
>    pkg="$(best_version $1)";
>    version="${pkg#$1-}";
>    version="${version%-r*}";
>    version="${version%_pre*}";
>    echo "${version}"
>}
>ghc-getghc () 
>{ 
>    type -P ghc
>}
>ghc-getghcpkg () 
>{ 
>    type -P ghc-pkg
>}
>ghc-getghcpkgbin () 
>{ 
>    if version_is_at_least "7.9.20141222" "$(ghc-version)"; then
>        local empty_db="${T}/empty.conf.d" ghc_pkg="$(ghc-libdir)/bin/ghc-pkg";
>        if [[ ! -d ${empty_db} ]]; then
>            "${ghc_pkg}" init "${empty_db}" || die "Failed to initialize empty global db";
>        fi;
>        echo "$(ghc-libdir)/bin/ghc-pkg" "--global-package-db=${empty_db}";
>    else
>        if version_is_at_least "7.7.20121101" "$(ghc-version)"; then
>            echo '[]' > "${T}/empty.conf";
>            echo "$(ghc-libdir)/bin/ghc-pkg" "--global-package-db=${T}/empty.conf";
>        else
>            if version_is_at_least "7.5.20120516" "$(ghc-version)"; then
>                echo '[]' > "${T}/empty.conf";
>                echo "$(ghc-libdir)/ghc-pkg" "--global-package-db=${T}/empty.conf";
>            else
>                echo '[]' > "${T}/empty.conf";
>                echo "$(ghc-libdir)/ghc-pkg" "--global-conf=${T}/empty.conf";
>            fi;
>        fi;
>    fi
>}
>ghc-install-pkg () 
>{ 
>    local pkg_config_file=$1;
>    local localpkgconf="${T}/$(ghc-localpkgconfd)";
>    local pkg_path pkg pkg_db="${D}/$(ghc-package-db)" hint_db="${D}/$(ghc-confdir)";
>    $(ghc-getghcpkgbin) init "${localpkgconf}" || die "Failed to initialize empty local db";
>    $(ghc-getghcpkgbin) -f "${localpkgconf}" update - --force < "${pkg_config_file}" || die "failed to register ${pkg}";
>    check-for-collisions "${localpkgconf}";
>    mkdir -p "${pkg_db}" || die;
>    for pkg_path in "${localpkgconf}"/*.conf;
>    do
>        pkg=$(basename "${pkg_path}");
>        cp "${pkg_path}" "${pkg_db}/${pkg}" || die;
>    done;
>    mkdir -p "${hint_db}" || die;
>    cp "${pkg_config_file}" "${hint_db}/${PF}.conf" || die;
>    chmod 0644 "${hint_db}/${PF}.conf" || die
>}
>ghc-is-dynamic () 
>{ 
>    $(ghc-getghc) --info | grep "GHC Dynamic" | grep -q "YES"
>}
>ghc-libdir () 
>{ 
>    if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
>        _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)";
>    fi;
>    echo "${_GHC_LIBDIR_CACHE}"
>}
>ghc-localpkgconfd () 
>{ 
>    echo "${PF}.conf.d"
>}
>ghc-make-args () 
>{ 
>    local ghc_make_args=();
>    if ghc-supports-smp && ghc-supports-parallel-make; then
>        echo "-j$(makeopts_jobs) +RTS -A256M -qb0 -RTS";
>        ghc_make_args=();
>    fi;
>    echo "${ghc_make_args[@]}"
>}
>ghc-package-db () 
>{ 
>    echo "$(ghc-libdir)/package.conf.d"
>}
>ghc-package-exists () 
>{ 
>    $(ghc-getghcpkg) describe "$1" > /dev/null 2>&1
>}
>ghc-package_pkg_postinst () 
>{ 
>    ghc-recache-db
>}
>ghc-package_pkg_postrm () 
>{ 
>    ghc-recache-db
>}
>ghc-package_pkg_prerm () 
>{ 
>    ewarn "ghc-package.eclass: 'ghc-package_pkg_prerm()' is a noop";
>    ewarn "ghc-package.eclass: consider 'haskell-cabal_pkg_postrm()' instead"
>}
>ghc-pkgdeps () 
>{ 
>    echo $($(ghc-getghcpkg) describe "${1}") | sed -e '/depends/,/^.*:/ !d' -e 's/$.*$-$.*$-$.*$/\1 \2/' -e 's/^.*://g'
>}
>ghc-pm-version () 
>{ 
>    local pm_ghc_p;
>    if [[ -z "${_GHC_PM_VERSION_CACHE}" ]]; then
>        pm_ghc_p=$(best_version dev-lang/ghc);
>        _GHC_PM_VERSION_CACHE="PM:${pm_ghc_p#dev-lang/ghc-}";
>    fi;
>    echo "${_GHC_PM_VERSION_CACHE}"
>}
>ghc-recache-db () 
>{ 
>    einfo "Recaching GHC package DB";
>    $(ghc-getghcpkg) recache
>}
>ghc-register-pkg () 
>{ 
>    ghc-recache-db
>}
>ghc-reregister () 
>{ 
>    ghc-recache-db
>}
>ghc-supports-interpreter () 
>{ 
>    $(ghc-getghc) --info | grep "Have interpreter" | grep -q "YES"
>}
>ghc-supports-parallel-make () 
>{ 
>    $(ghc-getghc) --info | grep "Support parallel --make" | grep -q "YES"
>}
>ghc-supports-shared-libraries () 
>{ 
>    $(ghc-getghc) --info | grep "RTS ways" | grep -q "dyn"
>}
>ghc-supports-smp () 
>{ 
>    $(ghc-getghc) --info | grep "Support SMP" | grep -q "YES"
>}
>ghc-supports-threaded-runtime () 
>{ 
>    $(ghc-getghc) --info | grep "RTS ways" | grep -q "thr"
>}
>ghc-unregister-pkg () 
>{ 
>    ghc-recache-db
>}
>ghc-version () 
>{ 
>    if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
>        _GHC_VERSION_CACHE="$($(ghc-getghc) --numeric-version)";
>    fi;
>    echo "${_GHC_VERSION_CACHE}"
>}
>has_multilib_profile () 
>{ 
>    [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
>}
>haskell-cabal_pkg_postinst () 
>{ 
>    ghc-package_pkg_postinst
>}
>haskell-cabal_pkg_postrm () 
>{ 
>    ghc-package_pkg_postrm
>}
>haskell-cabal_pkg_setup () 
>{ 
>    if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
>        [[ ${RDEPEND} == *dev-lang/ghc* ]] || eqawarn "QA Notice: A library does not have runtime dependency on dev-lang/ghc.";
>    fi;
>    if [[ -n "${CABAL_UNKNOWN}" ]]; then
>        eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}";
>    fi;
>    if cabal-is-dummy-lib; then
>        einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install.";
>    fi
>}
>haskell-cabal_src_compile () 
>{ 
>    pushd "${S}" > /dev/null || die;
>    cabal_src_compile "$@";
>    popd > /dev/null || die
>}
>haskell-cabal_src_configure () 
>{ 
>    cabal-is-dummy-lib && return;
>    pushd "${S}" > /dev/null || die;
>    cabal-bootstrap;
>    cabal-configure "$@";
>    popd > /dev/null || die
>}
>haskell-cabal_src_install () 
>{ 
>    pushd "${S}" > /dev/null || die;
>    cabal_src_install;
>    popd > /dev/null || die
>}
>haskell-cabal_src_test () 
>{ 
>    local cabaltest=();
>    pushd "${S}" > /dev/null || die;
>    if cabal-is-dummy-lib; then
>        einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}";
>    else
>        einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}";
>        if ./setup test --help | grep -q -- "'streaming'"; then
>            cabaltest+=(--show-details=streaming);
>        fi;
>        set -- test "${cabaltest[@]}" ${CABAL_TEST_FLAGS} ${CABAL_EXTRA_TEST_FLAGS} "$@";
>        echo ./setup "$@";
>        ./setup "$@" || die "cabal test failed";
>    fi;
>    popd > /dev/null || die
>}
>in_iuse () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${#} -eq 1 ]] || die "Invalid args to ${FUNCNAME}()";
>    local flag=${1};
>    local liuse=(${IUSE});
>    has "${flag}" "${liuse[@]#[+-]}"
>}
>is_final_abi () 
>{ 
>    has_multilib_profile || return 0;
>    set -- $(get_install_abis);
>    local LAST_ABI=$#;
>    [[ ${!LAST_ABI} == ${ABI} ]]
>}
>isdigit () 
>{ 
>    local d;
>    for d in "$@";
>    do
>        [[ ${d:-bad} == *[!0-9]* ]] && return 1;
>    done;
>    return 0
>}
>make_desktop_entry () 
>{ 
>    [[ -z $1 ]] && die "make_desktop_entry: You must specify the executable";
>    local exec=${1};
>    local name=${2:-${PN}};
>    local icon=${3:-${PN}};
>    local type=${4};
>    local fields=${5};
>    if [[ -z ${type} ]]; then
>        local catmaj=${CATEGORY%%-*};
>        local catmin=${CATEGORY##*-};
>        case ${catmaj} in 
>            app)
>                case ${catmin} in 
>                    accessibility)
>                        type="Utility;Accessibility"
>                    ;;
>                    admin)
>                        type=System
>                    ;;
>                    antivirus)
>                        type=System
>                    ;;
>                    arch)
>                        type="Utility;Archiving"
>                    ;;
>                    backup)
>                        type="Utility;Archiving"
>                    ;;
>                    cdr)
>                        type="AudioVideo;DiscBurning"
>                    ;;
>                    dicts)
>                        type="Office;Dictionary"
>                    ;;
>                    doc)
>                        type=Documentation
>                    ;;
>                    editors)
>                        type="Utility;TextEditor"
>                    ;;
>                    emacs)
>                        type="Development;TextEditor"
>                    ;;
>                    emulation)
>                        type="System;Emulator"
>                    ;;
>                    laptop)
>                        type="Settings;HardwareSettings"
>                    ;;
>                    office)
>                        type=Office
>                    ;;
>                    pda)
>                        type="Office;PDA"
>                    ;;
>                    vim)
>                        type="Development;TextEditor"
>                    ;;
>                    xemacs)
>                        type="Development;TextEditor"
>                    ;;
>                esac
>            ;;
>            dev)
>                type="Development"
>            ;;
>            games)
>                case ${catmin} in 
>                    action | fps)
>                        type=ActionGame
>                    ;;
>                    arcade)
>                        type=ArcadeGame
>                    ;;
>                    board)
>                        type=BoardGame
>                    ;;
>                    emulation)
>                        type=Emulator
>                    ;;
>                    kids)
>                        type=KidsGame
>                    ;;
>                    puzzle)
>                        type=LogicGame
>                    ;;
>                    roguelike)
>                        type=RolePlaying
>                    ;;
>                    rpg)
>                        type=RolePlaying
>                    ;;
>                    simulation)
>                        type=Simulation
>                    ;;
>                    sports)
>                        type=SportsGame
>                    ;;
>                    strategy)
>                        type=StrategyGame
>                    ;;
>                esac;
>                type="Game;${type}"
>            ;;
>            gnome)
>                type="Gnome;GTK"
>            ;;
>            kde)
>                type="KDE;Qt"
>            ;;
>            mail)
>                type="Network;Email"
>            ;;
>            media)
>                case ${catmin} in 
>                    gfx)
>                        type=Graphics
>                    ;;
>                    *)
>                        case ${catmin} in 
>                            radio)
>                                type=Tuner
>                            ;;
>                            sound)
>                                type=Audio
>                            ;;
>                            tv)
>                                type=TV
>                            ;;
>                            video)
>                                type=Video
>                            ;;
>                        esac;
>                        type="AudioVideo;${type}"
>                    ;;
>                esac
>            ;;
>            net)
>                case ${catmin} in 
>                    dialup)
>                        type=Dialup
>                    ;;
>                    ftp)
>                        type=FileTransfer
>                    ;;
>                    im)
>                        type=InstantMessaging
>                    ;;
>                    irc)
>                        type=IRCClient
>                    ;;
>                    mail)
>                        type=Email
>                    ;;
>                    news)
>                        type=News
>                    ;;
>                    nntp)
>                        type=News
>                    ;;
>                    p2p)
>                        type=FileTransfer
>                    ;;
>                    voip)
>                        type=Telephony
>                    ;;
>                esac;
>                type="Network;${type}"
>            ;;
>            sci)
>                case ${catmin} in 
>                    astro*)
>                        type=Astronomy
>                    ;;
>                    bio*)
>                        type=Biology
>                    ;;
>                    calc*)
>                        type=Calculator
>                    ;;
>                    chem*)
>                        type=Chemistry
>                    ;;
>                    elec*)
>                        type=Electronics
>                    ;;
>                    geo*)
>                        type=Geology
>                    ;;
>                    math*)
>                        type=Math
>                    ;;
>                    physics)
>                        type=Physics
>                    ;;
>                    visual*)
>                        type=DataVisualization
>                    ;;
>                esac;
>                type="Education;Science;${type}"
>            ;;
>            sys)
>                type="System"
>            ;;
>            www)
>                case ${catmin} in 
>                    client)
>                        type=WebBrowser
>                    ;;
>                esac;
>                type="Network;${type}"
>            ;;
>            *)
>                type=
>            ;;
>        esac;
>    fi;
>    local slot=${SLOT%/*};
>    if [[ ${slot} == "0" ]]; then
>        local desktop_name="${PN}";
>    else
>        local desktop_name="${PN}-${slot}";
>    fi;
>    local desktop="${T}/$(echo ${exec} | sed 's:[[:space:]/:]:_:g')-${desktop_name}.desktop";
>    type=${type%;}${type:+;};
>    if [[ -n ${icon} && ${icon} != /* ]] && [[ ${icon} == *.xpm || ${icon} == *.png || ${icon} == *.svg ]]; then
>        ewarn "As described in the Icon Theme Specification, icon file extensions are not";
>        ewarn "allowed in .desktop files if the value is not an absolute path.";
>        icon=${icon%.*};
>    fi;
>    cat > "${desktop}"  <<-EOF
>[Desktop Entry]
>Name=${name}
>Type=Application
>Comment=${DESCRIPTION}
>Exec=${exec}
>TryExec=${exec%% *}
>Icon=${icon}
>Categories=${type}
>EOF
>
>    if [[ ${fields:-=} != *=* ]]; then
>        ewarn "make_desktop_entry: update your 5th arg to read Path=${fields}";
>        fields="Path=${fields}";
>    fi;
>    [[ -n ${fields} ]] && printf '%b\n' "${fields}" >> "${desktop}";
>    ( insinto /usr/share/applications;
>    doins "${desktop}" ) || die "installing desktop file failed"
>}
>make_session_desktop () 
>{ 
>    [[ -z $1 ]] && eerror "$0: You must specify the title" && return 1;
>    [[ -z $2 ]] && eerror "$0: You must specify the command" && return 1;
>    local title=$1;
>    local command=$2;
>    local desktop=${T}/${wm:-${PN}}.desktop;
>    shift 2;
>    cat > "${desktop}"  <<-EOF
>[Desktop Entry]
>Name=${title}
>Comment=This session logs you into ${title}
>Exec=${command} $*
>TryExec=${command}
>Type=XSession
>EOF
>
>    ( insinto /usr/share/xsessions;
>    doins "${desktop}" )
>}
>make_setup () 
>{ 
>    set -- -package "${cabalpackage}" --make "${setupmodule}" $(ghc-make-args) "${setup_bootstrap_args[@]}" ${HCFLAGS} ${GHC_BOOTSTRAP_FLAGS} "$@" -o setup;
>    echo $(ghc-getghc) "$@";
>    $(ghc-getghc) "$@"
>}
>make_wrapper () 
>{ 
>    _eutils_eprefix_init;
>    local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5;
>    local tmpwrapper=$(emktemp);
>    ( echo '#!/bin/sh';
>    [[ -n ${chdir} ]] && printf 'cd "%s"\n' "${EPREFIX}${chdir}";
>    if [[ -n ${libdir} ]]; then
>        local var;
>        if [[ ${CHOST} == *-darwin* ]]; then
>            var=DYLD_LIBRARY_PATH;
>        else
>            var=LD_LIBRARY_PATH;
>        fi;
>        cat  <<-EOF
>if [ "\${${var}+set}" = "set" ] ; then
>export ${var}="\${${var}}:${EPREFIX}${libdir}"
>else
>export ${var}="${EPREFIX}${libdir}"
>fi
>EOF
>
>    fi
>    printf 'exec %s "$@"\n' "${bin/#\//${EPREFIX}/}" ) > "${tmpwrapper}";
>    chmod go+rx "${tmpwrapper}";
>    if [[ -n ${path} ]]; then
>        ( exeinto "${path}";
>        newexe "${tmpwrapper}" "${wrapper}" ) || die;
>    else
>        newbin "${tmpwrapper}" "${wrapper}" || die;
>    fi
>}
>makeopts_jobs () 
>{ 
>    [[ $# -eq 0 ]] && set -- "${MAKEOPTS}";
>    local jobs=$(echo " $* " | sed -r -n 		-e 's:.*[[:space:]](-[a-z]*j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' 		-e "s:.*[[:space:]](-[a-z]*j|--jobs)[[:space:]].*:${2:-999}:p");
>    echo ${jobs:-1}
>}
>makeopts_loadavg () 
>{ 
>    [[ $# -eq 0 ]] && set -- "${MAKEOPTS}";
>    local lavg=$(echo " $* " | sed -r -n 		-e 's:.*[[:space:]](-[a-z]*l|--(load-average|max-load)[=[:space:]])[[:space:]]*([0-9]+|[0-9]+\.[0-9]+).*:\3:p' 		-e "s:.*[[:space:]](-[a-z]*l|--(load-average|max-load))[[:space:]].*:${2:-999}:p");
>    echo ${lavg:-${2:-999}}
>}
>multijob_child_init () 
>{ 
>    local mode="pre";
>    case $1 in 
>        --pre)
>            mode="pre";
>            shift
>        ;;
>        --post)
>            mode="post";
>            shift
>        ;;
>    esac;
>    if [[ $# -eq 0 ]]; then
>        trap 'echo ${BASHPID:-$(bashpid)} $? >&'${mj_write_fd} EXIT;
>        trap 'exit 1' INT TERM;
>    else
>        local ret;
>        [[ ${mode} == "pre" ]] && { 
>            multijob_pre_fork;
>            ret=$?
>        };
>        ( multijob_child_init;
>        "$@" ) & [[ ${mode} == "post" ]] && { 
>            multijob_post_fork;
>            ret=$?
>        };
>        return ${ret};
>    fi
>}
>multijob_finish () 
>{ 
>    local ret=0;
>    while [[ ${mj_num_jobs} -gt 0 ]]; do
>        multijob_finish_one;
>        : $(( ret |= $? ));
>    done;
>    wait;
>    [[ $# -eq 0 ]] || die "${FUNCNAME} takes no arguments";
>    EBUILD_DEATH_HOOKS=${EBUILD_DEATH_HOOKS/ wait / };
>    return ${ret}
>}
>multijob_finish_one () 
>{ 
>    [[ $# -eq 0 ]] || die "${FUNCNAME} takes no arguments";
>    local pid ret;
>    read -r -u ${mj_read_fd} pid ret || die;
>    : $(( --mj_num_jobs ));
>    return ${ret}
>}
>multijob_init () 
>{ 
>    has wait ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" wait ";
>    local pipe="${T}/multijob.pipe";
>    mkfifo -m 600 "${pipe}";
>    redirect_alloc_fd mj_read_fd "${pipe}";
>    redirect_alloc_fd mj_write_fd "${pipe}" '>';
>    rm -f "${pipe}";
>    mj_max_jobs=$(makeopts_jobs "$@");
>    mj_num_jobs=0
>}
>multijob_post_fork () 
>{ 
>    _multijob_fork post "$@"
>}
>multijob_pre_fork () 
>{ 
>    _multijob_fork pre "$@"
>}
>multilib_env () 
>{ 
>    local CTARGET=${1:-${CTARGET}};
>    local cpu=${CTARGET%%*-};
>    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};
>                    : ${DEFAULT_ABI=amd64}
>                ;;
>            esac
>        ;;
>        mips64*)
>            export CFLAGS_o32=${CFLAGS_o32--mabi=32};
>            export CHOST_o32=${CTARGET/mips64/mips};
>            export CTARGET_o32=${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};
>            : ${DEFAULT_ABI=ppc64}
>        ;;
>        s390x*)
>            export CFLAGS_s390=${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;
>    if [[ ${_DEFAULT_ABI_SAVED} == "true" ]]; then
>        for v in CHOST CBUILD AS CC CXX F77 FC LD PKG_CONFIG_{LIBDIR,PATH};
>        do
>            vv="_abi_saved_${v}";
>            [[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v};
>            unset ${vv};
>        done;
>        unset _DEFAULT_ABI_SAVED;
>    fi;
>    if [[ ${ABI} != ${DEFAULT_ABI} ]]; then
>        for v in CHOST CBUILD AS CC CXX F77 FC LD PKG_CONFIG_{LIBDIR,PATH};
>        do
>            vv="_abi_saved_${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 ${DEFAULT_ABI});
>        export CC="$(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) $(get_abi_LDFLAGS)";
>        export CHOST=$(get_abi_CHOST $1);
>        export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig;
>        export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig;
>    fi
>}
>newicon () 
>{ 
>    _iconins ${FUNCNAME} "$@"
>}
>newmenu () 
>{ 
>    ( insinto /usr/share/applications;
>    newins "$@" )
>}
>number_abis () 
>{ 
>    set -- `get_install_abis`;
>    echo $#
>}
>optfeature () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local i j msg;
>    local desc=$1;
>    local flag=0;
>    shift;
>    for i in "$@";
>    do
>        for j in ${i};
>        do
>            if has_version "${j}"; then
>                flag=1;
>            else
>                flag=0;
>                break;
>            fi;
>        done;
>        if [[ ${flag} -eq 1 ]]; then
>            break;
>        fi;
>    done;
>    if [[ ${flag} -eq 0 ]]; then
>        for i in "$@";
>        do
>            msg=" ";
>            for j in ${i};
>            do
>                msg+=" ${j} and";
>            done;
>            msg="${msg:0: -4} for ${desc}";
>            elog "${msg}";
>        done;
>    fi
>}
>path_exists () 
>{ 
>    local opt=$1;
>    [[ ${opt} == -[ao] ]] && shift || opt="-a";
>    [[ $# -eq 0 ]] && return 1;
>    local p r=0;
>    for p in "$@";
>    do
>        [[ -e ${p} ]];
>        : $(( r += $? ));
>    done;
>    case ${opt} in 
>        -a)
>            return $(( r != 0 ))
>        ;;
>        -o)
>            return $(( r == $# ))
>        ;;
>    esac
>}
>pkg_nofetch () 
>{ 
>    default
>}
>pkg_postinst () 
>{ 
>    haskell-cabal_pkg_postinst "$@"
>}
>pkg_postrm () 
>{ 
>    haskell-cabal_pkg_postrm "$@"
>}
>pkg_setup () 
>{ 
>    haskell-cabal_pkg_setup "$@"
>}
>preserve_old_lib () 
>{ 
>    _eutils_eprefix_init;
>    if [[ ${EBUILD_PHASE} != "preinst" ]]; then
>        eerror "preserve_old_lib() must be called from pkg_preinst() only";
>        die "Invalid preserve_old_lib() usage";
>    fi;
>    [[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]";
>    has preserve-libs ${FEATURES} && return 0;
>    local lib dir;
>    for lib in "$@";
>    do
>        [[ -e ${EROOT}/${lib} ]] || continue;
>        dir=${lib%/*};
>        dodir ${dir} || die "dodir ${dir} failed";
>        cp "${EROOT}"/${lib} "${ED}"/${lib} || die "cp ${lib} failed";
>        touch "${ED}"/${lib};
>    done
>}
>preserve_old_lib_notify () 
>{ 
>    if [[ ${EBUILD_PHASE} != "postinst" ]]; then
>        eerror "preserve_old_lib_notify() must be called from pkg_postinst() only";
>        die "Invalid preserve_old_lib_notify() usage";
>    fi;
>    has preserve-libs ${FEATURES} && return 0;
>    _eutils_eprefix_init;
>    local lib notice=0;
>    for lib in "$@";
>    do
>        [[ -e ${EROOT}/${lib} ]] || continue;
>        if [[ ${notice} -eq 0 ]]; then
>            notice=1;
>            ewarn "Old versions of installed libraries were detected on your system.";
>            ewarn "In order to avoid breaking packages that depend on these old libs,";
>            ewarn "the libraries are not being removed.  You need to run revdep-rebuild";
>            ewarn "in order to remove these old dependencies.  If you do not have this";
>            ewarn "helper program, simply emerge the 'gentoolkit' package.";
>            ewarn;
>        fi;
>        ewarn "  # revdep-rebuild --library '${lib}' && rm '${lib}'";
>    done
>}
>prune_libtool_files () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local removing_all removing_modules opt;
>    for opt in "$@";
>    do
>        case "${opt}" in 
>            --all)
>                removing_all=1;
>                removing_modules=1
>            ;;
>            --modules)
>                removing_modules=1
>            ;;
>            *)
>                die "Invalid argument to ${FUNCNAME}(): ${opt}"
>            ;;
>        esac;
>    done;
>    local f;
>    local queue=();
>    while IFS= read -r -d '' f; do
>        local archivefile=${f/%.la/.a};
>        if ! sed -n -e '/^# Generated by .*libtool/q0;4q1' "${f}"; then
>            continue;
>        fi;
>        [[ ${f} != ${archivefile} ]] || die 'regex sanity check failed';
>        local reason= pkgconfig_scanned=;
>        local snotlink=$(sed -n -e 's:^shouldnotlink=::p' "${f}");
>        if [[ ${snotlink} == yes ]]; then
>            if [[ -f ${archivefile} ]]; then
>                einfo "Removing unnecessary ${archivefile#${D%/}} (static plugin)";
>                queue+=("${archivefile}");
>            fi;
>            if [[ -n ${removing_modules} ]]; then
>                reason='module';
>            fi;
>        else
>            if [[ -n ${removing_all} ]]; then
>                reason='requested';
>            else
>                if [[ ! -f ${archivefile} ]]; then
>                    reason='no static archive';
>                else
>                    if [[ ! -n $(sed -nre 					"s/^(dependency_libs|inherited_linker_flags)='(.*)'$/\2/p" 					"${f}") ]]; then
>                        reason='no libs & flags';
>                    else
>                        if [[ ! -n ${pkgconfig_scanned} ]]; then
>                            local pc_libs=();
>                            if [[ ! -n ${removing_all} ]]; then
>                                local pc;
>                                local tf=${T}/prune-lt-files.pc;
>                                local pkgconf=$(tc-getPKG_CONFIG);
>                                while IFS= read -r -d '' pc; do
>                                    local arg libs;
>                                    if ${pkgconf} --exists "${pc}" &> /dev/null; then
>                                        sed -e '/^Requires:/d' "${pc}" > "${tf}";
>                                        libs=$(${pkgconf} --libs "${tf}");
>                                    else
>                                        libs=$(sed -ne 's/^Libs://p' "${pc}");
>                                    fi;
>                                    for arg in ${libs};
>                                    do
>                                        if [[ ${arg} == -l* ]]; then
>                                            if [[ ${arg} == '*$*' ]]; then
>                                                eerror "${FUNCNAME}: variable substitution likely failed in ${pc}";
>                                                eerror "(arg: ${arg})";
>                                                eerror "Most likely, you need to add virtual/pkgconfig to DEPEND.";
>                                                die "${FUNCNAME}: unsubstituted variable found in .pc";
>                                            fi;
>                                            pc_libs+=(lib${arg#-l}.la);
>                                        fi;
>                                    done;
>                                done < <(find "${D}" -type f -name '*.pc' -print0);
>                                rm -f "${tf}";
>                            fi;
>                            pkgconfig_scanned=1;
>                        fi;
>                        has "${f##*/}" "${pc_libs[@]}" && reason='covered by .pc';
>                    fi;
>                fi;
>            fi;
>        fi;
>        if [[ -n ${reason} ]]; then
>            einfo "Removing unnecessary ${f#${D%/}} (${reason})";
>            queue+=("${f}");
>        fi;
>    done < <(find "${D}" -xtype f -name '*.la' -print0);
>    if [[ -n ${queue[@]} ]]; then
>        rm -f "${queue[@]}";
>    fi
>}
>redirect_alloc_fd () 
>{ 
>    local var=$1 file=$2 redir=${3:-"<>"};
>    if [[ ! -L /dev/fd && ${CBUILD} == *linux* ]]; then
>        eerror "You're missing a /dev/fd symlink to /proc/self/fd.";
>        eerror "Please fix the symlink and check your boot scripts (udev/etc...).";
>        die "/dev/fd is broken";
>    fi;
>    if [[ $(( (BASH_VERSINFO[0] << 8) + BASH_VERSINFO[1] )) -ge $(( (4 << 8) + 1 )) ]]; then
>        eval "exec {${var}}${redir}'${file}'";
>    else
>        local fd=10;
>        while :; do
>            if [[ ! -e /dev/fd/${fd} ]] && [[ ! -L /dev/fd/${fd} ]]; then
>                eval "exec ${fd}${redir}'${file}'" && break;
>            fi;
>            [[ ${fd} -gt 1024 ]] && die 'could not locate a free temp fd !?';
>            : $(( ++fd ));
>        done;
>        : $(( ${var} = fd ));
>    fi
>}
>replace-hcflags () 
>{ 
>    [[ $# != 2 ]] && die "Usage: replace-hcflags <old flag> <new flag>";
>    local f new=();
>    for f in ${HCFLAGS};
>    do
>        if [[ ${f} == ${1} ]]; then
>            einfo "HCFLAGS: replacing '${f}' to '${2}'";
>            f=${2};
>        fi;
>        new+=("${f}");
>    done;
>    export HCFLAGS="${new[*]}";
>    return 0
>}
>replace_all_version_separators () 
>{ 
>    local c=($(get_all_version_components "${2:-${PV}}"));
>    c=${c[@]//[-._]/$1};
>    echo ${c// }
>}
>replace_version_separator () 
>{ 
>    eshopts_push -s extglob;
>    local w c v="${3:-${PV}}";
>    declare -i i found=0;
>    w=${1:-1};
>    c=($(get_all_version_components ${v}));
>    if [[ ${w} != *[[:digit:]]* ]]; then
>        for ((i = 0; i < ${#c[@]}; i++))
>        do
>            if [[ ${c[i]} == ${w} ]]; then
>                c[i]=${2};
>                break;
>            fi;
>        done;
>    else
>        for ((i = 0; i < ${#c[@]}; i++))
>        do
>            if [[ -n "${c[i]//[^-._]}" ]]; then
>                found+=1;
>                if ((found == w)); then
>                    c[i]=${2};
>                    break;
>                fi;
>            fi;
>        done;
>    fi;
>    c=${c[*]};
>    echo ${c// };
>    eshopts_pop
>}
>src_compile () 
>{ 
>    haskell-cabal_src_compile "$@"
>}
>src_configure () 
>{ 
>    haskell-cabal_src_configure "$@"
>}
>src_install () 
>{ 
>    haskell-cabal_src_install "$@"
>}
>src_prepare () 
>{ 
>    default
>}
>src_test () 
>{ 
>    haskell-cabal_src_test "$@"
>}
>src_unpack () 
>{ 
>    default
>}
>strip-linguas () 
>{ 
>    local ls newls nols;
>    if [[ $1 == "-i" ]] || [[ $1 == "-u" ]]; then
>        local op=$1;
>        shift;
>        ls=$(find "$1" -name '*.po' -exec basename {} .po ';');
>        shift;
>        local d f;
>        for d in "$@";
>        do
>            if [[ ${op} == "-u" ]]; then
>                newls=${ls};
>            else
>                newls="";
>            fi;
>            for f in $(find "$d" -name '*.po' -exec basename {} .po ';');
>            do
>                if [[ ${op} == "-i" ]]; then
>                    has ${f} ${ls} && newls="${newls} ${f}";
>                else
>                    has ${f} ${ls} || newls="${newls} ${f}";
>                fi;
>            done;
>            ls=${newls};
>        done;
>    else
>        ls="$@";
>    fi;
>    nols="";
>    newls="";
>    for f in ${LINGUAS};
>    do
>        if has ${f} ${ls}; then
>            newls="${newls} ${f}";
>        else
>            nols="${nols} ${f}";
>        fi;
>    done;
>    [[ -n ${nols} ]] && einfo "Sorry, but ${PN} does not support the LINGUAS:" ${nols};
>    export LINGUAS=${newls:1}
>}
>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-endian () 
>{ 
>    local host=$1;
>    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
>    host=${host%%-*};
>    case ${host} in 
>        aarch64*be)
>            echo big
>        ;;
>        aarch64)
>            echo little
>        ;;
>        alpha*)
>            echo big
>        ;;
>        arm*b*)
>            echo big
>        ;;
>        arm*)
>            echo little
>        ;;
>        cris*)
>            echo little
>        ;;
>        hppa*)
>            echo big
>        ;;
>        i?86*)
>            echo little
>        ;;
>        ia64*)
>            echo little
>        ;;
>        m68*)
>            echo big
>        ;;
>        mips*l*)
>            echo little
>        ;;
>        mips*)
>            echo big
>        ;;
>        powerpc*le)
>            echo little
>        ;;
>        powerpc*)
>            echo big
>        ;;
>        s390*)
>            echo big
>        ;;
>        sh*b*)
>            echo big
>        ;;
>        sh*)
>            echo little
>        ;;
>        sparc*)
>            echo big
>        ;;
>        x86_64*)
>            echo little
>        ;;
>        *)
>            echo wtf
>        ;;
>    esac
>}
>tc-env_build () 
>{ 
>    tc-export_build_env;
>    CFLAGS=${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) "$@"
>}
>tc-export () 
>{ 
>    local var;
>    for var in "$@";
>    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 "$@";
>    : ${BUILD_CFLAGS:=-O1 -pipe};
>    : ${BUILD_CXXFLAGS:=-O1 -pipe};
>    : ${BUILD_CPPFLAGS:= };
>    : ${BUILD_LDFLAGS:= };
>    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-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 ${res} in 
>        *HAVE_PATHCC*)
>            echo pathcc
>        ;;
>        *HAVE_CLANG*)
>            echo clang
>        ;;
>        *HAVE_GCC*)
>            echo gcc
>        ;;
>        *)
>            echo unknown
>        ;;
>    esac
>}
>tc-getAR () 
>{ 
>    tc-getPROG AR ar "$@"
>}
>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 () 
>{ 
>    _tc-getPROG CBUILD "BUILD_$1 $1_FOR_BUILD HOST$1" "${@:2}"
>}
>tc-getBUILD_RANLIB () 
>{ 
>    tc-getBUILD_PROG RANLIB ranlib "$@"
>}
>tc-getBUILD_STRIP () 
>{ 
>    tc-getBUILD_PROG STRIP strip "$@"
>}
>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 "$@"
>}
>tc-getSTRIP () 
>{ 
>    tc-getPROG STRIP strip "$@"
>}
>tc-has-openmp () 
>{ 
>    local base="${T}/test-tc-openmp";
>    cat > "${base}.c"  <<-EOF
>#include <omp.h>
>int main() {
>int nthreads, tid, ret = 0;
>#pragma omp parallel private(nthreads, tid)
>{
>tid = omp_get_thread_num();
>nthreads = omp_get_num_threads(); ret += tid + nthreads;
>}
>return ret;
>}
>EOF
>
>    $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" &> /dev/null;
>    local ret=$?;
>    rm -f "${base}"*;
>    return ${ret}
>}
>tc-has-tls () 
>{ 
>    local base="${T}/test-tc-tls";
>    cat > "${base}.c"  <<-EOF
>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 () 
>{ 
>    [[ $(tc-get-compiler-type) == gcc ]]
>}
>tc-is-softfloat () 
>{ 
>    local CTARGET=${CTARGET:-${CHOST}};
>    case ${CTARGET} in 
>        bfin* | h8300*)
>            echo "only"
>        ;;
>        *)
>            if [[ ${CTARGET//_/-} == *-softfloat-* ]]; then
>                echo "yes";
>            else
>                if [[ ${CTARGET//_/-} == *-softfp-* ]]; then
>                    echo "softfp";
>                else
>                    echo "no";
>                fi;
>            fi
>        ;;
>    esac
>}
>tc-is-static-only () 
>{ 
>    local host=${CTARGET:-${CHOST}};
>    [[ ${host} == *-mint* ]]
>}
>tc-ld-disable-gold () 
>{ 
>    if ! tc-ld-is-gold "$@"; then
>        return;
>    fi;
>    ewarn "Forcing usage of the BFD linker instead of GOLD";
>    local ld=$(tc-getLD "$@");
>    local bfd_ld="${ld%% *}.bfd";
>    local path_ld=$(which "${bfd_ld}" 2>/dev/null);
>    [[ -e ${path_ld} ]] && export LD=${bfd_ld};
>    local major=$(gcc-major-version "$@");
>    local minor=$(gcc-minor-version "$@");
>    if [[ ${major} -lt 4 ]] || [[ ${major} -eq 4 && ${minor} -lt 8 ]]; then
>        if [[ -e ${path_ld} ]]; then
>            local d="${T}/bfd-linker";
>            mkdir -p "${d}";
>            ln -sf "${path_ld}" "${d}"/ld;
>            export LDFLAGS="${LDFLAGS} -B${d}";
>        else
>            die "unable to locate a BFD linker to bypass gold";
>        fi;
>    else
>        export LDFLAGS="${LDFLAGS} -fuse-ld=bfd";
>    fi
>}
>tc-ld-is-gold () 
>{ 
>    local out;
>    out=$($(tc-getLD "$@") --version 2>&1);
>    if [[ ${out} == *"GNU gold"* ]]; then
>        return 0;
>    fi;
>    local base="${T}/test-tc-gold";
>    cat > "${base}.c"  <<-EOF
>int main() { return 0; }
>EOF
>
>    out=$($(tc-getCC "$@") ${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-ninja_magic_to_arch () 
>{ 
>    function ninj () 
>    { 
>        [[ ${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
>        ;;
>        arm*)
>            echo arm
>        ;;
>        avr*)
>            ninj avr32 avr
>        ;;
>        bfin*)
>            ninj blackfin bfin
>        ;;
>        c6x*)
>            echo c6x
>        ;;
>        cris*)
>            echo cris
>        ;;
>        frv*)
>            echo frv
>        ;;
>        hexagon*)
>            echo hexagon
>        ;;
>        hppa*)
>            ninj parisc hppa
>        ;;
>        i?86*)
>            if [[ ${type} == "kern" && ${host} == *freebsd* ]]; then
>                echo i386;
>            else
>                echo x86;
>            fi
>        ;;
>        ia64*)
>            echo ia64
>        ;;
>        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*)
>            ninj sh64 sh
>        ;;
>        sh*)
>            echo sh
>        ;;
>        sparc64*)
>            ninj sparc64 sparc
>        ;;
>        sparc*)
>            [[ ${PROFILE_ARCH} == "sparc64" ]] && ninj sparc64 sparc || echo sparc
>        ;;
>        tile*)
>            echo tile
>        ;;
>        vax*)
>            echo vax
>        ;;
>        x86_64*freebsd*)
>            echo amd64
>        ;;
>        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
>}
>use_if_iuse () 
>{ 
>    in_iuse $1 || return 1;
>    use $1
>}
>validate_desktop_entries () 
>{ 
>    eqawarn "validate_desktop_entries is deprecated and should be not be used.";
>    eqawarn ".desktop file validation is done implicitly by Portage now.";
>    _eutils_eprefix_init;
>    if [[ -x "${EPREFIX}"/usr/bin/desktop-file-validate ]]; then
>        einfo "Checking desktop entry validity";
>        local directories="";
>        for d in /usr/share/applications $@;
>        do
>            [[ -d ${ED}${d} ]] && directories="${directories} ${ED}${d}";
>        done;
>        if [[ -n ${directories} ]]; then
>            for FILE in $(find ${directories} -name "*\.desktop" 							-not -path '*.hidden*' | sort -u 2>/dev/null);
>            do
>                local temp=$(desktop-file-validate ${FILE} | grep -v "warning:" | 								sed -e "s|error: ||" -e "s|${FILE}:|--|g" );
>                [[ -n $temp ]] && elog ${temp/--/${FILE/${ED}/}:};
>            done;
>        fi;
>        echo "";
>    else
>        einfo "Passing desktop entry validity check. Install dev-util/desktop-file-utils, if you want to help to improve Gentoo.";
>    fi
>}
>version_compare () 
>{ 
>    eshopts_push -s extglob;
>    local ver_a=${1} ver_b=${2} parts_a parts_b;
>    local cur_tok_a cur_tok_b num_part_a num_part_b;
>    local -i cur_idx_a=0 cur_idx_b=0 prev_idx_a prev_idx_b;
>    parts_a=($(get_all_version_components "${ver_a}" ));
>    parts_b=($(get_all_version_components "${ver_b}" ));
>    local -i inf_loop=0;
>    while true; do
>        inf_loop+=1;
>        ((inf_loop > 20)) && die "versionator compare bug [numbers, ${ver_a}, ${ver_b}]";
>        prev_idx_a=cur_idx_a;
>        prev_idx_b=cur_idx_b;
>        cur_tok_a=${parts_a[cur_idx_a]};
>        cur_tok_b=${parts_b[cur_idx_b]};
>        if [[ -n ${cur_tok_a} ]] && [[ -z ${cur_tok_a//[[:digit:]]} ]]; then
>            cur_idx_a+=1;
>            [[ ${parts_a[cur_idx_a]} == . ]] && cur_idx_a+=1;
>        else
>            cur_tok_a=;
>        fi;
>        if [[ -n ${cur_tok_b} ]] && [[ -z ${cur_tok_b//[[:digit:]]} ]]; then
>            cur_idx_b+=1;
>            [[ ${parts_b[cur_idx_b]} == . ]] && cur_idx_b+=1;
>        else
>            cur_tok_b=;
>        fi;
>        [[ -z ${cur_tok_a} && -z ${cur_tok_b} ]] && break;
>        [[ -z ${cur_tok_a} ]] && eshopts_pop && return 1;
>        [[ -z ${cur_tok_b} ]] && eshopts_pop && return 3;
>        if (( prev_idx_a != 0 && prev_idx_b != 0 )) && [[ ${cur_tok_a} == 0* || ${cur_tok_b} == 0* ]]; then
>            cur_tok_a=${cur_tok_a%%+(0)};
>            cur_tok_b=${cur_tok_b%%+(0)};
>            [[ ${cur_tok_a} < ${cur_tok_b} ]] && eshopts_pop && return 1;
>            [[ ${cur_tok_a} > ${cur_tok_b} ]] && eshopts_pop && return 3;
>        else
>            cur_tok_a=${cur_tok_a##+(0)};
>            cur_tok_b=${cur_tok_b##+(0)};
>            : ${cur_tok_a:=0};
>            : ${cur_tok_b:=0};
>            ((cur_tok_a < cur_tok_b)) && eshopts_pop && return 1;
>            ((cur_tok_a > cur_tok_b)) && eshopts_pop && return 3;
>        fi;
>    done;
>    local letter_a=;
>    letter_a=${parts_a[cur_idx_a]};
>    if [[ ${#letter_a} -eq 1 && -z ${letter_a/[a-z]} ]]; then
>        cur_idx_a+=1;
>    else
>        letter_a=@;
>    fi;
>    local letter_b=;
>    letter_b=${parts_b[cur_idx_b]};
>    if [[ ${#letter_b} -eq 1 && -z ${letter_b/[a-z]} ]]; then
>        cur_idx_b+=1;
>    else
>        letter_b=@;
>    fi;
>    [[ ${letter_a} < ${letter_b} ]] && eshopts_pop && return 1;
>    [[ ${letter_a} > ${letter_b} ]] && eshopts_pop && return 3;
>    inf_loop=0;
>    while true; do
>        inf_loop+=1;
>        ((inf_loop > 20)) && die "versionator compare bug [numbers, ${ver_a}, ${ver_b}]";
>        [[ ${parts_a[cur_idx_a]} == _ ]] && ((cur_idx_a++));
>        [[ ${parts_b[cur_idx_b]} == _ ]] && ((cur_idx_b++));
>        cur_tok_a=${parts_a[cur_idx_a]};
>        cur_tok_b=${parts_b[cur_idx_b]};
>        num_part_a=0;
>        num_part_b=0;
>        if has ${cur_tok_a%%+([0-9])} "alpha" "beta" "pre" "rc" "p"; then
>            cur_idx_a+=1;
>            num_part_a=${cur_tok_a##+([a-z])};
>            num_part_a=${num_part_a##+(0)};
>            : ${num_part_a:=0};
>            cur_tok_a=${cur_tok_a%%+([0-9])};
>        else
>            cur_tok_a=;
>        fi;
>        if has ${cur_tok_b%%+([0-9])} alpha beta pre rc p; then
>            cur_idx_b+=1;
>            num_part_b=${cur_tok_b##+([a-z])};
>            num_part_b=${num_part_b##+(0)};
>            : ${num_part_b:=0};
>            cur_tok_b=${cur_tok_b%%+([0-9])};
>        else
>            cur_tok_b=;
>        fi;
>        if [[ ${cur_tok_a} != ${cur_tok_b} ]]; then
>            local suffix;
>            for suffix in alpha beta pre rc "" p;
>            do
>                [[ ${cur_tok_a} == ${suffix} ]] && eshopts_pop && return 1;
>                [[ ${cur_tok_b} == ${suffix} ]] && eshopts_pop && return 3;
>            done;
>        else
>            if [[ -z ${cur_tok_a} && -z ${cur_tok_b} ]]; then
>                break;
>            else
>                ((num_part_a < num_part_b)) && eshopts_pop && return 1;
>                ((num_part_a > num_part_b)) && eshopts_pop && return 3;
>            fi;
>        fi;
>    done;
>    [[ ${parts_a[cur_idx_a]} == - ]] && ((cur_idx_a++));
>    [[ ${parts_b[cur_idx_b]} == - ]] && ((cur_idx_b++));
>    if [[ -n ${parts_a[cur_idx_a]/r+([0-9])} || -n ${parts_b[cur_idx_b]/r+([0-9])} ]]; then
>        die "versionator compare bug [revisions, ${ver_a}, ${ver_b}]";
>    fi;
>    num_part_a=${parts_a[cur_idx_a]#r};
>    num_part_a=${num_part_a##+(0)};
>    : ${num_part_a:=0};
>    num_part_b=${parts_b[cur_idx_b]#r};
>    num_part_b=${num_part_b##+(0)};
>    : ${num_part_b:=0};
>    ((num_part_a < num_part_b)) && eshopts_pop && return 1;
>    ((num_part_a > num_part_b)) && eshopts_pop && return 3;
>    eshopts_pop;
>    return 2
>}
>version_format_string () 
>{ 
>    local fstr=$1;
>    shift;
>    set -- $(get_version_components "$@");
>    eval echo "${fstr}"
>}
>version_is_at_least () 
>{ 
>    local want_s="$1" have_s="${2:-${PVR}}" r;
>    version_compare "${want_s}" "${have_s}";
>    r=$?;
>    case $r in 
>        1 | 2)
>            return 0
>        ;;
>        3)
>            return 1
>        ;;
>        *)
>            die "versionator compare bug [atleast, ${want_s}, ${have_s}, ${r}]"
>        ;;
>    esac
>}
>version_sort () 
>{ 
>    eshopts_push -s extglob;
>    local items=;
>    local -i left=0;
>    items=("$@");
>    while ((left < ${#items[@]})); do
>        local -i lowest_idx=left;
>        local -i idx=lowest_idx+1;
>        while ((idx < ${#items[@]})); do
>            version_compare "${items[lowest_idx]}" "${items[idx]}";
>            [[ $? -eq 3 ]] && lowest_idx=idx;
>            idx+=1;
>        done;
>        local tmp=${items[lowest_idx]};
>        items[lowest_idx]=${items[left]};
>        items[left]=${tmp};
>        left+=1;
>    done;
>    echo ${items[@]};
>    eshopts_pop
>}

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Attachments on bug 621774: 476436 | 476438 | 476440 | 476442 | 476444 | 476446 | 476448