environment

environment (text/plain), 87.03 KB, created by Toralf Förster on 2017-12-01 18:24:04 UTC

declare -x ABI="amd64"
declare -x ABI_X86="64"
declare -x ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci"
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_5 python_targets_python2_7 multilib systemd udev"
declare -x CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author"
declare -x CBUILD="x86_64-pc-linux-gnu"
declare -x CC="x86_64-pc-linux-gnu-gcc"
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 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 CURL_SSL="libressl"
declare -x CXXFLAGS="-O2 -pipe -march=native"
declare -x DEFAULT_ABI="amd64"
declare -x DEFINED_PHASES=" compile configure install test unpack"
declare DEPEND="caps? ( >=sys-libs/libcap-2.24 )
	python? ( dev-python/pyelftools )
	seccomp? ( sys-libs/libseccomp )
	caps? ( virtual/pkgconfig )
	seccomp? ( virtual/pkgconfig )
	app-arch/xz-utils "
declare DESCRIPTION="ELF utils that can check files for security relevant properties"
declare -x DESTTREE="/usr"
declare -x DIROPTIONS="-m0755"
declare -x EAPI="6"
declare -x EGO_BUILD_FLAGS="-p 1"
declare -x ELIBC="glibc"
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/app-misc/pax-utils-1.2.2-r2/work/patch"
declare -- EPATCH_SUFFIX="patch.bz2"
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 GCC_COLORS=""
declare -x GCC_SPECS=""
declare -x GOMAXPROCS="1"
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 GREP_COLORS="never"
declare -x GRUB_PLATFORMS=""
declare HDEPEND=""
declare HOMEPAGE="https://wiki.gentoo.org/index.php?title=Project:Hardened/PaX_Utilities"
declare -x INHERITED=" desktop estack epatch toolchain-funcs multilib ltprune eutils unpacker"
declare -x INPUT_DEVICES="libinput"
declare -x INSDESTTREE=""
declare -x INSOPTIONS="-m0644"
declare IUSE="caps debug python seccomp "
declare -x IUSE_EFFECTIVE="abi_x86_64 alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 caps debug 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 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 python riscv s390 seccomp 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 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
declare -x L10N=""
declare -x LANG="en_US.utf8"
declare -x LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"
declare -x LC_COLLATE="C"
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 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 OPENGL_PROFILE="xorg-x11"
declare -a PATCHES=([0]="/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/files/pax-utils-1.2.2-scanelf-fix-out-of-bounds-access-in-ia64.patch" [1]="/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/files/pax-utils-1.2.2-solaris.patch" [2]="/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/files/pax-utils-1.2.2-linux-2.6.32.patch")
declare -x PATH="/usr/lib/portage/python3.5/ebuild-helpers/xattr:/usr/lib/portage/python3.5/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/7.2.0:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin"
declare -x PAX_MARKINGS="none"
declare PDEPEND=""
declare -x PHP_TARGETS="php5-6 php7-0"
declare -x PKG_CONFIG="x86_64-pc-linux-gnu-pkg-config"
declare -x PKG_CONFIG_PATH="/usr/lib64/pkgconfig"
declare -x PORTAGE_COMPRESSION_COMMAND="bzip2"
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/pax-utils-1.2.2-r2/html")
declare -x POSTGRES_TARGETS="postgres9_5"
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 PYTHONDONTWRITEBYTECODE="1"
declare -x PYTHON_SINGLE_TARGET="python3_5"
declare -x PYTHON_TARGETS="python2_7 python3_5"
declare RDEPEND="caps? ( >=sys-libs/libcap-2.24 )
	python? ( dev-python/pyelftools )
	seccomp? ( sys-libs/libseccomp ) "
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 RUBY_TARGETS="ruby22"
declare -x RUSTFLAGS="-C codegen-units=1"
declare -x S="/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/work/pax-utils-1.2.2"
declare -x SANDBOX_DEBUG="0"
declare -x SANDBOX_DENY=""
declare -x SANDBOX_PREDICT="/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/homedir:/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/lib/cf:/usr/lib/conftest:/usr/lib32/cf:/usr/lib32/conftest:/usr/lib64/cf:/usr/lib64/conftest:/usr/tmp/cf:/usr/tmp/conftest:/var/tmp:/var/tmp/:/var/tmp/portage/app-misc/pax-utils-1.2.2-r2/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"
declare SRC_URI="mirror://gentoo/pax-utils-1.2.2.tar.xz
	https://dev.gentoo.org/~vapier/dist/pax-utils-1.2.2.tar.xz"
declare -x SYMLINK_LIB="yes"
declare -x TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
declare -x USE="abi_x86_64 amd64 elibc_glibc kernel_linux python seccomp 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=""
declare -x XDG_CACHE_HOME="/root/cache"
declare -x XDG_CONFIG_HOME="/root/config"
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 -- _DESKTOP_ECLASS="1"
declare -- _EPATCH_ECLASS="1"
declare -- _ESTACK_ECLASS="1"
declare -- _EUTILS_ECLASS="1"
declare -x _E_DOCDESTTREE_=""
declare -x _E_EXEDESTTREE_=""
declare -- _LTPRUNE_ECLASS="1"
declare -- _MULTILIB_ECLASS="1"
declare -- _TOOLCHAIN_FUNCS_ECLASS="1"
declare -- _UNPACKER_ECLASS="1"
declare -- arch="tar --no-same-owner -xof"
declare -- comp="xz -dc"
declare -x j="1"
declare -- phase_func
declare -- started_applying="1"
__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"
}
_eapply_patch () 
{ 
    local f=${1};
    local prefix=${2};
    started_applying=1;
    ebegin "${prefix:-Applying }${f##*/}";
    ${patch_cmd} -p1 -f -s -g0 --no-backup-if-mismatch "${patch_options[@]}" < "${f}";
    failed=${?};
    if ! eend "${failed}"; then
        __helpers_die "patch -p1 ${patch_options[*]} failed with ${f}";
    fi
}
_emake () 
{ 
    emake USE_CAP=$(usex caps) USE_DEBUG=$(usex debug) USE_PYTHON=$(usex python) USE_SECCOMP=$(usex seccomp) "$@"
}
_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
}
_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}"
}
_unpacker () 
{ 
    [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
    local a=$1;
    local m=$(echo "${a}" | tr '[:upper:]' '[:lower:]');
    a=$(find_unpackable_file "${a}");
    case ${m} in 
        *.bz2 | *.tbz | *.tbz2)
            local bzcmd=${PORTAGE_BZIP2_COMMAND:-$(type -P pbzip2 || type -P bzip2)};
            local bzuncmd=${PORTAGE_BUNZIP2_COMMAND:-${bzcmd} -d};
            : ${UNPACKER_BZ2:=${bzuncmd}};
            comp="${UNPACKER_BZ2} -c"
        ;;
        *.z | *.gz | *.tgz)
            comp="gzip -dc"
        ;;
        *.lzma | *.xz | *.txz)
            comp="xz -dc"
        ;;
        *.lz)
            : ${UNPACKER_LZIP:=$(type -P plzip || type -P pdlzip || type -P lzip)};
            comp="${UNPACKER_LZIP} -dc"
        ;;
        *)
            comp=""
        ;;
    esac;
    arch="";
    case ${m} in 
        *.tgz | *.tbz | *.tbz2 | *.txz | *.tar.* | *.tar)
            arch="tar --no-same-owner -xof"
        ;;
        *.cpio.* | *.cpio)
            arch="unpack_cpio"
        ;;
        *.deb)
            arch="unpack_deb"
        ;;
        *.run)
            arch="unpack_makeself"
        ;;
        *.sh)
            if head -n 30 "${a}" | grep -qs '#.*Makeself'; then
                arch="unpack_makeself";
            fi
        ;;
        *.bin)
            if head -c 100 "${a}" | grep -qs '#.*Makeself'; then
                arch="unpack_makeself";
            fi
        ;;
        *.zip)
            arch="unpack_zip"
        ;;
    esac;
    if [[ -z ${arch}${comp} ]]; then
        unpack "$1";
        return $?;
    fi;
    [[ ${arch} != unpack_* ]] && unpack_banner "${a}";
    if [[ -z ${arch} ]]; then
        local _a=${a%.*};
        ${comp} "${a}" > "${_a##*/}";
    else
        if [[ -z ${comp} ]]; then
            ${arch} "${a}";
        else
            ${comp} "${a}" | ${arch} -;
        fi;
    fi;
    assert "unpacking ${a} failed (comp=${comp} arch=${arch})"
}
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" ]]
}
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.$2' "$@"
}
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 ${ret} )
}
eapply () 
{ 
    local failed patch_cmd=patch;
    local -x LC_COLLATE=POSIX;
    type -P gpatch > /dev/null && patch_cmd=gpatch;
    function _eapply_patch () 
    { 
        local f=${1};
        local prefix=${2};
        started_applying=1;
        ebegin "${prefix:-Applying }${f##*/}";
        ${patch_cmd} -p1 -f -s -g0 --no-backup-if-mismatch "${patch_options[@]}" < "${f}";
        failed=${?};
        if ! eend "${failed}"; then
            __helpers_die "patch -p1 ${patch_options[*]} failed with ${f}";
        fi
    };
    local patch_options=() files=();
    local i found_doublehyphen;
    for ((i = 1; i <= ${#@}; ++i ))
    do
        if [[ ${@:i:1} == -- ]]; then
            patch_options=("${@:1:i-1}");
            files=("${@:i+1}");
            found_doublehyphen=1;
            break;
        fi;
    done;
    if [[ -z ${found_doublehyphen} ]]; then
        for ((i = 1; i <= ${#@}; ++i ))
        do
            if [[ ${@:i:1} != -* ]]; then
                patch_options=("${@:1:i-1}");
                files=("${@:i}");
                break;
            fi;
        done;
        for i in "${files[@]}";
        do
            if [[ ${i} == -* ]]; then
                die "eapply: all options must be passed before non-options";
            fi;
        done;
    fi;
    if [[ -z ${files[@]} ]]; then
        die "eapply: no files specified";
    fi;
    local f;
    for f in "${files[@]}";
    do
        if [[ -d ${f} ]]; then
            function _eapply_get_files () 
            { 
                local LC_ALL=POSIX;
                local prev_shopt=$(shopt -p nullglob);
                shopt -s nullglob;
                local f;
                for f in "${1}"/*;
                do
                    if [[ ${f} == *.diff || ${f} == *.patch ]]; then
                        files+=("${f}");
                    fi;
                done;
                ${prev_shopt}
            };
            local files=();
            _eapply_get_files "${f}";
            [[ -z ${files[@]} ]] && die "No *.{patch,diff} files in directory ${f}";
            einfo "Applying patches from ${f} ...";
            local f2;
            for f2 in "${files[@]}";
            do
                _eapply_patch "${f2}" '  ';
                [[ ${failed} -ne 0 ]] && return "${failed}";
            done;
        else
            _eapply_patch "${f}";
            [[ ${failed} -ne 0 ]] && return "${failed}";
        fi;
    done;
    return 0
}
eapply_user () 
{ 
    [[ ${EBUILD_PHASE} == prepare ]] || die "eapply_user() called during invalid phase: ${EBUILD_PHASE}";
    local tagfile=${T}/.portage_user_patches_applied;
    [[ -f ${tagfile} ]] && return;
     >> "${tagfile}";
    local basedir=${PORTAGE_CONFIGROOT%/}/etc/portage/patches;
    local applied d f;
    local -A _eapply_user_patches;
    local prev_shopt=$(shopt -p nullglob);
    shopt -s nullglob;
    for d in "${basedir}"/${CATEGORY}/{${P}-${PR},${P},${PN}}{:${SLOT%/*},};
    do
        for f in "${d}"/*;
        do
            if [[ ( ${f} == *.diff || ${f} == *.patch ) && -z ${_eapply_user_patches[${f##*/}]} ]]; then
                _eapply_user_patches[${f##*/}]=${f};
            fi;
        done;
    done;
    if [[ ${#_eapply_user_patches[@]} -gt 0 ]]; then
        while read -r -d '' f; do
            f=${_eapply_user_patches[${f}]};
            if [[ -s ${f} ]]; then
                eapply "${f}";
                applied=1;
            fi;
        done < <(printf -- '%s\0' "${!_eapply_user_patches[@]}" |
				LC_ALL=C sort -z);
    fi;
    ${prev_shopt};
    [[ -n ${applied} ]] && ewarn "User patches applied."
}
ebeep () 
{ 
    ewarn "QA Notice: ebeep is not defined in EAPI=${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 () 
{ 
    ( if ! declare -p DOCS &> /dev/null; then
        local d;
        for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS FAQ CREDITS CHANGELOG;
        do
            [[ -f ${d} && -s ${d} ]] && docinto / && dodoc "${d}";
        done;
    else
        if [[ $(declare -p DOCS) == "declare -a"* ]]; then
            [[ -n ${DOCS[@]} ]] && docinto / && dodoc -r "${DOCS[@]}";
        else
            [[ -n ${DOCS} ]] && docinto / && dodoc -r ${DOCS};
        fi;
    fi );
    ( if [[ $(declare -p HTML_DOCS 2>/dev/null) == "declare -a"* ]]; then
        [[ -n ${HTML_DOCS[@]} ]] && docinto html && dodoc -r "${HTML_DOCS[@]}";
    else
        [[ -n ${HTML_DOCS} ]] && docinto html && dodoc -r ${HTML_DOCS};
    fi )
}
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;
    [[ ${SINGLE_PATCH} == "no" ]] && einfo "Done with patching";
    :
}
epause () 
{ 
    ewarn "QA Notice: epause is not defined in EAPI=${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
}
find_unpackable_file () 
{ 
    local src=$1;
    if [[ -z ${src} ]]; then
        src=${DISTDIR}/${A};
    else
        if [[ ${src} == ./* ]]; then
            :;
        else
            if [[ -e ${DISTDIR}/${src} ]]; then
                src=${DISTDIR}/${src};
            else
                if [[ -e ${PWD}/${src} ]]; then
                    src=${PWD}/${src};
                else
                    if [[ -e ${src} ]]; then
                        src=${src};
                    fi;
                fi;
            fi;
        fi;
    fi;
    [[ ! -e ${src} ]] && return 1;
    echo "${src}"
}
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_all_abis () 
{ 
    local x order="" mvar dvar;
    mvar="MULTILIB_ABIS";
    dvar="DEFAULT_ABI";
    if [[ -n $1 ]]; then
        mvar="$1_${mvar}";
        dvar="$1_${dvar}";
    fi;
    if [[ -z ${!mvar} ]]; then
        echo "default";
        return 0;
    fi;
    for x in ${!mvar};
    do
        if [[ ${x} != ${!dvar} ]]; then
            order="${order:+${order} }${x}";
        fi;
    done;
    order="${order:+${order} }${!dvar}";
    echo ${order};
    return 0
}
get_all_libdirs () 
{ 
    local libdirs abi;
    for abi in ${MULTILIB_ABIS};
    do
        libdirs+=" $(get_abi_LIBDIR ${abi})";
    done;
    [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib";
    echo "${libdirs}"
}
get_exeext () 
{ 
    case ${CHOST} in 
        *-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 ${order};
    return 0
}
get_libdir () 
{ 
    local libdir_var="LIBDIR_${ABI}";
    local libdir="lib";
    [[ -n ${ABI} && -n ${!libdir_var} ]] && libdir=${!libdir_var};
    echo "${libdir}"
}
get_libname () 
{ 
    local libname;
    local ver=$1;
    case ${CHOST} in 
        *-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_modname () 
{ 
    local modname;
    local ver=$1;
    case ${CHOST} in 
        *-darwin*)
            modname="bundle"
        ;;
        *)
            modname="so"
        ;;
    esac;
    echo ".${modname}"
}
has_multilib_profile () 
{ 
    [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
}
in_iuse () 
{ 
    local use=${1};
    if [[ -z "${use}" ]]; then
        echo "!!! in_iuse() called without a parameter." 1>&2;
        echo "!!! in_iuse <USEFLAG>" 1>&2;
        die "in_iuse() called without a parameter";
    fi;
    local liuse=(${IUSE_EFFECTIVE});
    has "${use}" "${liuse[@]#[+-]}"
}
is_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_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
}
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
}
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
}
src_compile () 
{ 
    _emake
}
src_configure () 
{ 
    if use prefix || ! use kernel_linux || has_version '<sys-libs/glibc-2.10'; then
        econf $(use_with caps) $(use_with debug) $(use_with python) $(use_with seccomp);
    else
        tc-export CC PKG_CONFIG;
    fi
}
src_install () 
{ 
    _emake DESTDIR="${D}" PKGDOCDIR='$(DOCDIR)'/${PF} install
}
src_prepare () 
{ 
    default
}
src_test () 
{ 
    _emake check
}
src_unpack () 
{ 
    unpacker_src_unpack "$@"
}
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-enables-pie () 
{ 
    local ret="$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} -E -P - <<-EOF 2> /dev/null | grep '^true$'
		#if defined(__PIE__)
		true
		#endif
		EOF
	)";
    [[ ${ret} == true ]]
}
tc-enables-ssp () 
{ 
    local ret="$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} -E -P - <<-EOF 2> /dev/null | grep '^true$'
		#if defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__)
		true
		#endif
		EOF
	)";
    [[ ${ret} == true ]]
}
tc-enables-ssp-all () 
{ 
    local ret="$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} -E -P - <<-EOF 2> /dev/null | grep '^true$'
		#if defined(__SSP_ALL__)
		true
		#endif
		EOF
	)";
    [[ ${ret} == true ]]
}
tc-enables-ssp-strong () 
{ 
    local ret="$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} -E -P - <<-EOF 2> /dev/null | grep '^true$'
		#if defined(__SSP_STRONG__) || defined(__SSP_ALL__)
		true
		#endif
		EOF
	)";
    [[ ${ret} == true ]]
}
tc-endian () 
{ 
    local host=$1;
    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
    host=${host%%-*};
    case ${host} in 
        aarch64*be)
            echo big
        ;;
        aarch64)
            echo little
        ;;
        alpha*)
            echo little
        ;;
        arm*b*)
            echo big
        ;;
        arm*)
            echo little
        ;;
        cris*)
            echo little
        ;;
        hppa*)
            echo big
        ;;
        i?86*)
            echo little
        ;;
        ia64*)
            echo little
        ;;
        m68*)
            echo big
        ;;
        mips*l*)
            echo little
        ;;
        mips*)
            echo big
        ;;
        powerpc*le)
            echo little
        ;;
        powerpc*)
            echo big
        ;;
        s390*)
            echo big
        ;;
        sh*b*)
            echo big
        ;;
        sh*)
            echo little
        ;;
        sparc*)
            echo big
        ;;
        x86_64*)
            echo little
        ;;
        *)
            echo wtf
        ;;
    esac
}
tc-env_build () 
{ 
    tc-export_build_env;
    CFLAGS=${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
}
unpack_banner () 
{ 
    echo ">>> Unpacking ${1##*/} to ${PWD}"
}
unpack_cpio () 
{ 
    [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
    local cpio_cmd=(cpio --make-directories --extract --preserve-modification-time);
    if [[ $1 == "-" ]]; then
        unpack_banner "stdin";
        "${cpio_cmd[@]}";
    else
        local cpio=$(find_unpackable_file "$1");
        unpack_banner "${cpio}";
        "${cpio_cmd[@]}" < "${cpio}";
    fi
}
unpack_deb () 
{ 
    [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
    local deb=$(find_unpackable_file "$1");
    unpack_banner "${deb}";
    if [[ -n ${EPREFIX} ]]; then
        { 
            read;
            [[ ${REPLY} = "!<arch>" ]] || die "${deb} does not seem to be a deb archive";
            local f timestamp uid gid mode size magic;
            while read f timestamp uid gid mode size magic; do
                [[ -n ${f} && -n ${size} ]] || continue;
                if [[ ${f} = "data.tar"* ]]; then
                    head -c "${size}" > "${f}";
                else
                    head -c "${size}" > /dev/null;
                fi;
            done
        } < "${deb}";
    else
        ar x "${deb}";
    fi;
    unpacker ./data.tar*;
    rm -f debian-binary {control,data}.tar*
}
unpack_makeself () 
{ 
    local src_input=${1:-${A}};
    local src=$(find_unpackable_file "${src_input}");
    local skip=$2;
    local exe=$3;
    [[ -z ${src} ]] && die "Could not locate source for '${src_input}'";
    unpack_banner "${src}";
    if [[ -z ${skip} ]]; then
        local ver=$(grep -m1 -a '#.*Makeself' "${src}" | awk '{print $NF}');
        local skip=0;
        exe=tail;
        case ${ver} in 
            1.5.* | 1.6.0-nv*)
                skip=$(grep -a ^skip= "${src}" | cut -d= -f2)
            ;;
            2.0 | 2.0.1)
                skip=$(grep -a ^'	'tail "${src}" | awk '{print $2}' | cut -b2-)
            ;;
            2.1.1)
                skip=$(grep -a ^offset= "${src}" | awk '{print $2}' | cut -b2-);
                (( skip++ ))
            ;;
            2.1.2)
                skip=$(grep -a ^offset= "${src}" | awk '{print $3}' | head -n 1);
                (( skip++ ))
            ;;
            2.1.3)
                skip=`grep -a ^offset= "${src}" | awk '{print $3}'`;
                (( skip++ ))
            ;;
            2.1.4 | 2.1.5 | 2.1.6 | 2.2.0)
                skip=$(grep -a offset=.*head.*wc "${src}" | awk '{print $3}' | head -n 1);
                skip=$(head -n ${skip} "${src}" | wc -c);
                exe="dd"
            ;;
            *)
                eerror "I'm sorry, but I was unable to support the Makeself file.";
                eerror "The version I detected was '${ver}'.";
                eerror "Please file a bug about the file ${src##*/} at";
                eerror "https://bugs.gentoo.org/ so that support can be added.";
                die "makeself version '${ver}' not supported"
            ;;
        esac;
        debug-print "Detected Makeself version ${ver} ... using ${skip} as offset";
    fi;
    case ${exe} in 
        tail)
            exe=(tail -n +${skip} "${src}")
        ;;
        dd)
            exe=(dd ibs=${skip} skip=1 if="${src}")
        ;;
        *)
            die "makeself cant handle exe '${exe}'"
        ;;
    esac;
    local filetype tmpfile="${T}/${FUNCNAME}";
    "${exe[@]}" 2> /dev/null | head -c 512 > "${tmpfile}";
    filetype=$(file -b "${tmpfile}") || die;
    case ${filetype} in 
        *tar\ archive*)
            "${exe[@]}" | tar --no-same-owner -xf -
        ;;
        bzip2*)
            "${exe[@]}" | bzip2 -dc | tar --no-same-owner -xf -
        ;;
        gzip*)
            "${exe[@]}" | tar --no-same-owner -xzf -
        ;;
        compress*)
            "${exe[@]}" | gunzip | tar --no-same-owner -xf -
        ;;
        XZ*)
            "${exe[@]}" | unxz | tar --no-same-owner -xf -
        ;;
        *)
            eerror "Unknown filetype \"${filetype}\" ?";
            false
        ;;
    esac;
    assert "failure unpacking (${filetype}) makeself ${src##*/} ('${ver}' +${skip})"
}
unpack_pdv () 
{ 
    local src=$(find_unpackable_file "$1");
    local sizeoff_t=$2;
    [[ -z ${src} ]] && die "Could not locate source for '$1'";
    [[ -z ${sizeoff_t} ]] && die "No idea what off_t size was used for this pdv :(";
    unpack_banner "${src}";
    local metaskip=$(tail -c ${sizeoff_t} "${src}" | hexdump -e \"%i\");
    local tailskip=$(tail -c $((${sizeoff_t}*2)) "${src}" | head -c ${sizeoff_t} | hexdump -e \"%i\");
    local metafile="${T}/${FUNCNAME}.meta";
    tail -c +$((${metaskip}+1)) "${src}" > "${metafile}";
    local datafile=$(tail -c +$((${metaskip}+1)) "${src}" | strings | head -n 1);
    datafile=$(basename "${datafile}");
    local tmpfile="${T}/${FUNCNAME}";
    tail -c +$((${tailskip}+1)) ${src} 2> /dev/null | head -c 512 > "${tmpfile}";
    local iscompressed=$(file -b "${tmpfile}");
    if [[ ${iscompressed:0:8} == "compress" ]]; then
        iscompressed=1;
        mv "${tmpfile}"{,.Z};
        gunzip "${tmpfile}";
    else
        iscompressed=0;
    fi;
    local istar=$(file -b "${tmpfile}");
    if [[ ${istar:0:9} == "POSIX tar" ]]; then
        istar=1;
    else
        istar=0;
    fi;
    if [ ${iscompressed} -eq 1 ]; then
        if [ ${istar} -eq 1 ]; then
            tail -c +$((${tailskip}+1)) "${src}" 2> /dev/null | head -c $((${metaskip}-${tailskip})) | tar -xzf -;
        else
            tail -c +$((${tailskip}+1)) "${src}" 2> /dev/null | head -c $((${metaskip}-${tailskip})) | gzip -dc > ${datafile};
        fi;
    else
        if [ ${istar} -eq 1 ]; then
            tail -c +$((${tailskip}+1)) "${src}" 2> /dev/null | head -c $((${metaskip}-${tailskip})) | tar --no-same-owner -xf -;
        else
            tail -c +$((${tailskip}+1)) "${src}" 2> /dev/null | head -c $((${metaskip}-${tailskip})) > ${datafile};
        fi;
    fi;
    true
}
unpack_zip () 
{ 
    [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
    local zip=$(find_unpackable_file "$1");
    unpack_banner "${zip}";
    unzip -qo "${zip}";
    [[ $? -le 1 ]] || die "unpacking ${zip} failed (arch=unpack_zip)"
}
unpacker () 
{ 
    local a;
    [[ $# -eq 0 ]] && set -- ${A};
    for a in "$@";
    do
        _unpacker "${a}";
    done
}
unpacker_src_unpack () 
{ 
    unpacker
}
unpacker_src_uri_depends () 
{ 
    local uri deps d;
    [[ $# -eq 0 ]] && set -- ${SRC_URI};
    for uri in "$@";
    do
        case ${uri} in 
            *.cpio.* | *.cpio)
                d="app-arch/cpio"
            ;;
            *.deb)
                d="kernel_AIX? ( app-arch/deb2targz )"
            ;;
            *.rar | *.RAR)
                d="app-arch/unrar"
            ;;
            *.7z)
                d="app-arch/p7zip"
            ;;
            *.xz)
                d="app-arch/xz-utils"
            ;;
            *.zip)
                d="app-arch/unzip"
            ;;
            *.lz)
                d="|| ( app-arch/plzip app-arch/pdlzip app-arch/lzip )"
            ;;
        esac;
        deps+=" ${d}";
    done;
    echo "${deps}"
}
use_if_iuse () 
{ 
    in_iuse $1 || return 1;
    use $1
}