Attachment 435100 Details for Bug 583894 – build env

build env

ppsspp-1.2.2-env (text/plain), 140.42 KB, created by Hadrien Lacour on 2016-05-23 17:25:25 UTC

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Creator: Hadrien Lacour

Created: 2016-05-23 17:25:25 UTC

Size: 140.42 KB

patch

obsolete

>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 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 -- BASE_EXPF="src_unpack src_compile src_install src_prepare src_configure"
>declare -x BOOTSTRAP_USE="cxx unicode internal-glib python_targets_python3_4 python_targets_python2_7 multilib"
>declare -x CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author"
>declare -x CAMERAS="ptp2"
>declare -x CBUILD="x86_64-pc-linux-gnu"
>declare -x CFLAGS="-march=native -O2 -pipe"
>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 -- CMAKE_BINARY="cmake"
>declare -- CMAKE_BUILD_TYPE="Gentoo"
>declare -- CMAKE_MAKEFILE_GENERATOR="emake"
>declare -- CMAKE_MIN_VERSION="2.8.12"
>declare -- CMAKE_REMOVE_MODULES="yes"
>declare -- CMAKE_REMOVE_MODULES_LIST="FindBLAS FindLAPACK"
>declare -- CMAKE_VERBOSE="ON"
>declare -- CMAKE_WARN_UNUSED_CLI="no"
>declare -x COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"
>declare -x CPU_FLAGS_X86="aes avx fma3 fma4 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 xop"
>declare -x CTARGET_default="x86_64-pc-linux-gnu"
>declare -x CXXFLAGS="-march=native -O2 -pipe"
>declare -x DEFAULT_ABI="amd64"
>declare -x DEFINED_PHASES=" compile configure install postinst prepare test unpack"
>declare DEPEND="
>	sys-libs/zlib
>	sdl? (
>		dev-util/cmake
>		media-libs/libsdl
>		media-libs/libsdl2
>	)
>	qt4? (
>		dev-qt/qtsvg:4
>		dev-qt/qtgui:4
>		dev-qt/qtcore:4
>		dev-qt/qtopengl:4
>		dev-qt/qtmultimedia:4
>		dev-qt/qt-mobility[multimedia]
>	)
>	qt5? (
>		dev-qt/qtsvg:5
>		dev-qt/qtgui:5
>		dev-qt/qtcore:5
>		dev-qt/qtopengl:5
>		dev-qt/qtmultimedia:5
>		dev-qt/qtwidgets:5
>		dev-qt/qt-mobility[multimedia]
>	)
>  sys-devel/make >=dev-util/cmake-2.8.12 >=dev-vcs/git-1.8.2.1"
>declare DESCRIPTION="A PSP emulator written in C++."
>declare -x DESTTREE="/usr"
>declare -x DIROPTIONS="-m0755"
>declare -x EAPI="5"
>declare -- EGIT3_STORE_DIR="/usr/portage/distfiles/git3-src"
>declare -- EGIT_CLONE_TYPE="single"
>declare -- EGIT_COMMIT="v1.2.2"
>declare -x EGIT_DIR="/usr/portage/distfiles/git3-src/hrydgard_ppsspp.git"
>declare -- EGIT_MIN_CLONE_TYPE="shallow"
>declare -- EGIT_REPO_URI="git://github.com/hrydgard/ppsspp.git"
>declare -x EGIT_VERSION="08136639706528b4cbcf0d355db3305e5d759f2d"
>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="/tmp/portage/games-emulation/ppsspp-1.2.2/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=22 ; exec rsync --rsh=\\\"ssh -p\\\${port} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
>declare -x FFLAGS="-O2 -pipe"
>declare -x GCC_SPECS=""
>declare -x GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx"
>declare -x GRUB_PLATFORMS=""
>declare -x GUILE_LOAD_PATH="/usr/share/guile/1.8"
>declare HDEPEND=""
>declare HOMEPAGE="http://www.ppsspp.org/"
>declare -x INFINALITY_FT_FILTER_PARAMS="08 24 36 24 08"
>declare -x INFINALITY_FT_FRINGE_FILTER_STRENGTH="25"
>declare -x INFINALITY_FT_STEM_ALIGNMENT_STRENGTH="15"
>declare -x INFINALITY_FT_STEM_FITTING_STRENGTH="15"
>declare -x INFINALITY_FT_USE_VARIOUS_TWEAKS="true"
>declare -x INFINALITY_FT_WINDOWS_STYLE_SHARPENING_STRENGTH="25"
>declare -x INHERITED=" multilib toolchain-funcs eutils flag-o-matic versionator cmake-utils base qmake-utils qt4-r2 git-r3"
>declare -x INPUT_DEVICES="evdev"
>declare -x INSDESTTREE=""
>declare -x INSOPTIONS="-m0644"
>declare IUSE="qt4 qt5 +sdl "
>declare -x IUSE_EFFECTIVE="abi_x86_64 alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 elibc_AIX elibc_Cygwin elibc_Darwin elibc_DragonFly elibc_FreeBSD elibc_HPUX elibc_Interix elibc_NetBSD elibc_OpenBSD elibc_SunOS elibc_Winnt elibc_glibc elibc_mintlib elibc_musl elibc_uclibc hppa hppa-hpux ia64 ia64-hpux ia64-linux 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 ppc-openbsd ppc64 ppc64-linux prefix prefix-guest qt4 qt5 riscv s390 sdl sh sparc sparc-fbsd sparc-solaris sparc64-freebsd sparc64-solaris userland_BSD userland_GNU x64-cygwin x64-freebsd x64-macos x64-openbsd x64-solaris x86 x86-cygwin x86-fbsd x86-freebsd x86-interix x86-linux x86-macos x86-netbsd x86-openbsd x86-solaris x86-winnt"
>declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-guest"
>declare -x KERNEL="linux"
>declare -x KERNEL_ABI="amd64"
>declare -x KEYWORDS="~amd64 ~x86"
>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 LIBDIR_amd64="lib64"
>declare -x LIBDIR_amd64_fbsd="lib64"
>declare -x LIBDIR_arm="lib"
>declare -x LIBDIR_arm64="lib64"
>declare -x LIBDIR_default="lib"
>declare -x LIBDIR_n32="lib32"
>declare -x LIBDIR_n64="lib64"
>declare -x LIBDIR_o32="lib"
>declare -x LIBDIR_ppc="lib32"
>declare -x LIBDIR_ppc64="lib64"
>declare -x LIBDIR_s390="lib32"
>declare -x LIBDIR_s390x="lib64"
>declare -x LIBDIR_sparc32="lib32"
>declare -x LIBDIR_sparc64="lib64"
>declare -x LIBDIR_x32="libx32"
>declare -x LIBDIR_x86="lib32"
>declare -x LIBDIR_x86_fbsd="lib32"
>declare -x LIBOPTIONS="-m0644"
>declare -x LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"
>declare -x LICENSE="GPL-2"
>declare -x MAIL="/var/mail/root"
>declare -x MAKEOPTS="-j8 -l8"
>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)"
>declare -x MULTIOSDIRS="../lib64:../lib32"
>declare -x NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"
>declare -x OFFICE_IMPLEMENTATION="libreoffice"
>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:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.3"
>declare PDEPEND=""
>declare -x PHP_TARGETS="php5-5"
>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/ppsspp-1.2.2/html")'
>declare -- PREFIX="/usr"
>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="python2_7"
>declare -x PYTHON_TARGETS="python2_7 python3_4"
>declare -x QT_GRAPHICSSYSTEM="raster"
>declare RDEPEND=""
>declare REPOSITORY
>declare REQUIRED_USE="
>	?? ( qt4 qt5 sdl )
> "
>declare -x RESTRICT=""
>declare -x RESUMECOMMAND_SSH="bash -c \"x=\\\${2#ssh://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port=22 ; exec rsync --rsh=\\\"ssh -p\\\${port} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
>declare -x RUBY_TARGETS="ruby20 ruby21"
>declare -x S="/tmp/portage/games-emulation/ppsspp-1.2.2/work/ppsspp-1.2.2"
>declare -x SANDBOX_DEBUG="0"
>declare -x SANDBOX_DENY=""
>declare -x SANDBOX_PREDICT="/tmp/portage/games-emulation/ppsspp-1.2.2/homedir:/dev/crypto:/var/cache/fontconfig"
>declare -x SANDBOX_READ="/:/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:/tmp/:/tmp/portage/games-emulation/ppsspp-1.2.2/homedir/.bash_history:/usr/lib32/cf:/usr/lib32/conftest:/usr/lib64/cf:/usr/lib64/conftest:/usr/lib/cf:/usr/lib/conftest:/usr/portage/distfiles/git3-src:/usr/tmp/cf:/usr/tmp/conftest:/var/tmp/"
>declare -x SHELL="/bin/bash"
>declare -x SLOT="0"
>declare SRC_URI
>declare -x SUDO_COMMAND="/usr/bin/emerge -av =games-emulation/ppsspp-1.2.2"
>declare -x SUDO_GID="1000"
>declare -x SUDO_UID="1000"
>declare -x SUDO_USER="hadrien"
>declare -x SYMLINK_LIB="yes"
>declare -x USE="abi_x86_64 amd64 elibc_glibc kernel_linux qt5 userland_GNU"
>declare -x USERLAND="GNU"
>declare -x USERNAME="root"
>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 hppa-hpux ia64 ia64-hpux ia64-linux m68k m68k-mint mips nios2 ppc ppc64 ppc64-linux ppc-aix ppc-macos ppc-openbsd riscv s390 sh sparc sparc64-freebsd sparc64-solaris sparc-fbsd sparc-solaris x64-cygwin x64-freebsd x64-macos x64-openbsd x64-solaris x86 x86-cygwin x86-fbsd x86-freebsd x86-interix x86-linux x86-macos x86-netbsd x86-openbsd x86-solaris x86-winnt"
>declare -x USE_EXPAND_VALUES_ELIBC="AIX Cygwin Darwin DragonFly FreeBSD glibc HPUX Interix 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 VAPOURSYNTH_PLUGINS="assvapour eedi3 imagemagick morpho ocr removegrain vinverse vivtc"
>declare -x VIDEO_CARDS="radeon radeonsi"
>declare -- WANT_CMAKE="always"
>declare -x XDG_CONFIG_DIRS="/etc/xdg"
>declare -x XDG_CONFIG_HOME="/tmp/portage/games-emulation/ppsspp-1.2.2/temp"
>declare -x XDG_DATA_DIRS="/usr/local/share:/usr/share"
>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 -- _BASE_ECLASS="1"
>declare -- _CMAKE_UTILS_ECLASS="1"
>declare -- _EUTILS_ECLASS="1"
>declare -- _EUTILS_ECLASSDIR_LOCAL="/usr/portage/eclass"
>declare -x _E_DOCDESTTREE_=""
>declare -x _E_EXEDESTTREE_=""
>declare -- _FLAG_O_MATIC_ECLASS="1"
>declare -- _GIT_R3="1"
>declare -- _MULTILIB_ECLASS="1"
>declare -- _QMAKE_UTILS_ECLASS="1"
>declare -- _TOOLCHAIN_FUNCS_ECLASS="1"
>declare -- _VERSIONATOR_ECLASS="1"
>declare -- phase_func
>__eapi6_src_install () 
>{ 
>    if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
>        emake DESTDIR="${D}" install;
>    fi;
>    einstalldocs
>}
>__eapi6_src_prepare () 
>{ 
>    if [[ $(declare -p PATCHES 2>/dev/null) == "declare -a"* ]]; then
>        eapply "${PATCHES[@]}";
>    else
>        if [[ -n ${PATCHES} ]]; then
>            eapply ${PATCHES};
>        fi;
>    fi;
>    eapply_user
>}
>_cmake_check_build_dir () 
>{ 
>    : ${CMAKE_USE_DIR:=${S}};
>    if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
>        BUILD_DIR="${CMAKE_USE_DIR}";
>    else
>        if [[ ! -n ${BUILD_DIR} && -n ${CMAKE_BUILD_DIR} ]]; then
>            eqawarn "The CMAKE_BUILD_DIR variable has been renamed to BUILD_DIR.";
>            eqawarn "Please migrate the ebuild to use the new one.";
>            _RESPECT_CMAKE_BUILD_DIR=1;
>        fi;
>        if [[ -n ${_RESPECT_CMAKE_BUILD_DIR} ]]; then
>            BUILD_DIR=${CMAKE_BUILD_DIR:-${WORKDIR}/${P}_build};
>        else
>            : ${BUILD_DIR:=${WORKDIR}/${P}_build};
>        fi;
>    fi;
>    CMAKE_BUILD_DIR=${BUILD_DIR};
>    mkdir -p "${BUILD_DIR}" || die;
>    echo ">>> Working in BUILD_DIR: \"$BUILD_DIR\""
>}
>_cmake_cleanup_cmake () 
>{ 
>    : ${CMAKE_USE_DIR:=${S}};
>    if [[ "${CMAKE_REMOVE_MODULES}" == "yes" ]]; then
>        local name;
>        for name in ${CMAKE_REMOVE_MODULES_LIST};
>        do
>            find "${S}" -name ${name}.cmake -exec rm -v {} + || die;
>        done;
>    fi;
>    if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]]; then
>        eerror "Unable to locate CMakeLists.txt under:";
>        eerror "\"${CMAKE_USE_DIR}/CMakeLists.txt\"";
>        eerror "Consider not inheriting the cmake eclass.";
>        die "FATAL: Unable to find CMakeLists.txt";
>    fi;
>    _cmake_modify-cmakelists
>}
>_cmake_emake_src_make () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    [[ -e Makefile ]] || die "Makefile not found. Error during configure stage.";
>    if [[ "${CMAKE_VERBOSE}" != "OFF" ]]; then
>        emake VERBOSE=1 "$@" || die;
>    else
>        emake "$@" || die;
>    fi
>}
>_cmake_execute_optionally () 
>{ 
>    local phase="$1";
>    shift;
>    if [[ ${WANT_CMAKE} = always ]]; then
>        enable_cmake-utils_${phase} "$@";
>    else
>        use ${WANT_CMAKE} && enable_cmake-utils_${phase} "$@";
>    fi
>}
>_cmake_generator_to_use () 
>{ 
>    local generator_name;
>    case ${CMAKE_MAKEFILE_GENERATOR} in 
>        ninja)
>            if ! ROOT=/ has_version dev-util/ninja; then
>                die "CMAKE_MAKEFILE_GENERATOR is set to ninja, but ninja is not installed. Please install dev-util/ninja or unset CMAKE_MAKEFILE_GENERATOR.";
>            fi;
>            generator_name="Ninja"
>        ;;
>        emake)
>            generator_name="Unix Makefiles"
>        ;;
>        *)
>            eerror "Unknown value for \${CMAKE_MAKEFILE_GENERATOR}";
>            die "Value ${CMAKE_MAKEFILE_GENERATOR} is not supported"
>        ;;
>    esac;
>    echo ${generator_name}
>}
>_cmake_modify-cmakelists () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    grep -qs "<<< Gentoo configuration >>>" "${CMAKE_USE_DIR}"/CMakeLists.txt && return 0;
>    find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE.*)/{s/^/#IGNORE /g}' {} + -exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_COLOR_MAKEFILE.*)/{s/^/#IGNORE /g}' {} + -exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX.*)/{s/^/#IGNORE /g}' {} + -exec sed -i -e '/^[[:space:]]*[sS][eE][tT][[:space:]]*([[:space:]]*CMAKE_VERBOSE_MAKEFILE.*)/{s/^/#IGNORE /g}' {} + || die "${LINENO}: failed to disable hardcoded settings";
>    cat >> "${CMAKE_USE_DIR}"/CMakeLists.txt  <<-_EOF_ || 
>
>MESSAGE(STATUS "<<< Gentoo configuration >>>
>Build type      \${CMAKE_BUILD_TYPE}
>Install path    \${CMAKE_INSTALL_PREFIX}
>Compiler flags:
>C               \${CMAKE_C_FLAGS}
>C++             \${CMAKE_CXX_FLAGS}
>Linker flags:
>Executable      \${CMAKE_EXE_LINKER_FLAGS}
>Module          \${CMAKE_MODULE_LINKER_FLAGS}
>Shared          \${CMAKE_SHARED_LINKER_FLAGS}\n")
>_EOF_
> die
>}
>_cmake_ninja_src_make () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    [[ -e build.ninja ]] || die "build.ninja not found. Error during configure stage.";
>    _ninjaopts_from_makeopts;
>    if [[ "${CMAKE_VERBOSE}" != "OFF" ]]; then
>        set -- ninja ${NINJAOPTS} -v "$@";
>    else
>        set -- ninja ${NINJAOPTS} "$@";
>    fi;
>    echo "$@";
>    "$@" || die
>}
>_cmake_use_me_now () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local arg=$2;
>    [[ ! -z $3 ]] && arg=$3;
>    [[ ${EAPI} == [2345] ]] || die "${FUNCNAME[1]} is banned in EAPI 6 and later: use -D$1${arg}=\"\$(usex $2)\" instead";
>    local uper capitalised x;
>    [[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]";
>    if [[ ! -z $3 ]]; then
>        echo "-D$1$3=$(use $2 && echo ON || echo OFF)";
>    else
>        uper=$(echo ${2} | tr '[:lower:]' '[:upper:]');
>        capitalised=$(echo ${2} | sed 's/\<$.$$[^ ]*$/\u\1\L\2/g');
>        for x in $2 $uper $capitalised;
>        do
>            echo "-D$1$x=$(use $2 && echo ON || echo OFF) ";
>        done;
>    fi
>}
>_cmake_use_me_now_inverted () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local arg=$2;
>    [[ ! -z $3 ]] && arg=$3;
>    if [[ ${EAPI} != [2345] && "${FUNCNAME[1]}" != cmake-utils_use_find_package ]]; then
>        die "${FUNCNAME[1]} is banned in EAPI 6 and later: use -D$1${arg}=\"\$(usex $2)\" instead";
>    fi;
>    local uper capitalised x;
>    [[ -z $2 ]] && die "cmake-utils_use-$1 <USE flag> [<flag name>]";
>    if [[ ! -z $3 ]]; then
>        echo "-D$1$3=$(use $2 && echo OFF || echo ON)";
>    else
>        uper=$(echo ${2} | tr '[:lower:]' '[:upper:]');
>        capitalised=$(echo ${2} | sed 's/\<$.$$[^ ]*$/\u\1\L\2/g');
>        for x in $2 $uper $capitalised;
>        do
>            echo "-D$1$x=$(use $2 && echo OFF || echo ON) ";
>        done;
>    fi
>}
>_eutils_eprefix_init () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && : ${ED:=${D}} ${EPREFIX:=} ${EROOT:=${ROOT}}
>}
>_filter-hardened () 
>{ 
>    local f;
>    for f in "$@";
>    do
>        case "${f}" in 
>            -fPIC | -fpic | -fPIE | -fpie | -Wl,pie | -pie)
>                gcc-specs-pie || continue;
>                is-flagq -nopie || append-flags -nopie
>            ;;
>            -fstack-protector)
>                gcc-specs-ssp || continue;
>                is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector)
>            ;;
>            -fstack-protector-all)
>                gcc-specs-ssp-to-all || continue;
>                is-flagq -fno-stack-protector-all || append-flags $(test-flags -fno-stack-protector-all)
>            ;;
>            -fno-strict-overflow)
>                gcc-specs-nostrict || continue;
>                is-flagq -fstrict-overflow || append-flags $(test-flags -fstrict-overflow)
>            ;;
>        esac;
>    done
>}
>_filter-var () 
>{ 
>    local f x var=$1 new=();
>    shift;
>    for f in ${!var};
>    do
>        for x in "$@";
>        do
>            [[ ${f} == ${x} ]] && continue 2;
>        done;
>        new+=("${f}");
>    done;
>    eval export ${var}=\""${new[*]}"\"
>}
>_gcc-install-dir () 
>{ 
>    echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null |		awk '$1=="install:" {print $2}')"
>}
>_gcc-specs-directive_raw () 
>{ 
>    local cc=$(tc-getCC);
>    local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}');
>    ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 'BEGIN	{ pspec=""; spec=""; outside=1 }
>$1=="*"directive":"  { pspec=spec; spec=""; outside=0; next }
>	outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
>	spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
>	{ spec=spec $0 }
>END	{ print spec }';
>    return 0
>}
>_gcc-specs-exists () 
>{ 
>    [[ -f $(_gcc-install-dir)/$1 ]]
>}
>_gcc_fullversion () 
>{ 
>    local ver="$1";
>    shift;
>    set -- `$(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__"`;
>    eval echo "$ver"
>}
>_git-r3_env_setup () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    case "${EGIT_CLONE_TYPE}" in 
>        mirror | single+tags | single | shallow)
>
>        ;;
>        *)
>            die "Invalid EGIT_CLONE_TYPE=${EGIT_CLONE_TYPE}"
>        ;;
>    esac;
>    case "${EGIT_MIN_CLONE_TYPE}" in 
>        shallow)
>
>        ;;
>        single)
>            if [[ ${EGIT_CLONE_TYPE} == shallow ]]; then
>                einfo "git-r3: ebuild needs to be cloned in '\e[1msingle\e[22m' mode, adjusting";
>                EGIT_CLONE_TYPE=single;
>            fi
>        ;;
>        single+tags)
>            if [[ ${EGIT_CLONE_TYPE} == shallow || ${EGIT_CLONE_TYPE} == single ]]; then
>                einfo "git-r3: ebuild needs to be cloned in '\e[1msingle+tags\e[22m' mode, adjusting";
>                EGIT_CLONE_TYPE=single+tags;
>            fi
>        ;;
>        mirror)
>            if [[ ${EGIT_CLONE_TYPE} != mirror ]]; then
>                einfo "git-r3: ebuild needs to be cloned in '\e[1mmirror\e[22m' mode, adjusting";
>                EGIT_CLONE_TYPE=mirror;
>            fi
>        ;;
>        *)
>            die "Invalid EGIT_MIN_CLONE_TYPE=${EGIT_MIN_CLONE_TYPE}"
>        ;;
>    esac;
>    local esc_pn livevar;
>    esc_pn=${PN//[-+]/_};
>    livevar=${esc_pn}_LIVE_REPO;
>    EGIT_REPO_URI=${!livevar:-${EGIT_REPO_URI}};
>    [[ -n ${!livevar} ]] && ewarn "Using ${livevar}, no support will be provided";
>    livevar=${esc_pn}_LIVE_BRANCH;
>    EGIT_BRANCH=${!livevar:-${EGIT_BRANCH}};
>    [[ -n ${!livevar} ]] && ewarn "Using ${livevar}, no support will be provided";
>    livevar=${esc_pn}_LIVE_COMMIT;
>    EGIT_COMMIT=${!livevar:-${EGIT_COMMIT}};
>    [[ -n ${!livevar} ]] && ewarn "Using ${livevar}, no support will be provided";
>    if [[ -n ${EGIT_SOURCEDIR} ]]; then
>        eerror "EGIT_SOURCEDIR has been replaced by EGIT_CHECKOUT_DIR. While updating";
>        eerror "your ebuild, please check whether the variable is necessary at all";
>        eerror "since the default has been changed from \${S} to \${WORKDIR}/\${P}.";
>        eerror "Therefore, proper setting of S may be sufficient.";
>        die "EGIT_SOURCEDIR has been replaced by EGIT_CHECKOUT_DIR.";
>    fi;
>    if [[ -n ${EGIT_MASTER} ]]; then
>        eerror "EGIT_MASTER has been removed. Instead, the upstream default (HEAD)";
>        eerror "is used by the eclass. Please remove the assignment or use EGIT_BRANCH";
>        eerror "as necessary.";
>        die "EGIT_MASTER has been removed.";
>    fi;
>    if [[ -n ${EGIT_HAS_SUBMODULES} ]]; then
>        eerror "EGIT_HAS_SUBMODULES has been removed. The eclass no longer needs";
>        eerror "to switch the clone type in order to support submodules and therefore";
>        eerror "submodules are detected and fetched automatically.";
>        die "EGIT_HAS_SUBMODULES is no longer necessary.";
>    fi;
>    if [[ -n ${EGIT_PROJECT} ]]; then
>        eerror "EGIT_PROJECT has been removed. Instead, the eclass determines";
>        eerror "the local clone path using path in canonical EGIT_REPO_URI.";
>        eerror "If the current algorithm causes issues for you, please report a bug.";
>        die "EGIT_PROJECT is no longer necessary.";
>    fi;
>    if [[ -n ${EGIT_BOOTSTRAP} ]]; then
>        eerror "EGIT_BOOTSTRAP has been removed. Please create proper src_prepare()";
>        eerror "instead.";
>        die "EGIT_BOOTSTRAP has been removed.";
>    fi;
>    if [[ -n ${EGIT_NOUNPACK} ]]; then
>        eerror "EGIT_NOUNPACK has been removed. The eclass no longer calls default";
>        eerror "unpack function. If necessary, please declare proper src_unpack().";
>        die "EGIT_NOUNPACK has been removed.";
>    fi
>}
>_git-r3_find_head () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local head_ref=${1};
>    local head_hash=$(git rev-parse --verify "${1}" || die);
>    local matching_ref;
>    local h ref;
>    while read h ref; do
>        if [[ ${h} == ${head_hash} ]]; then
>            if [[ ! -n ${matching_ref} || ${ref} == refs/heads/master ]]; then
>                matching_ref=${ref};
>            fi;
>        fi;
>    done;
>    if [[ ! -n ${matching_ref} ]]; then
>        die "Unable to find a matching branch for remote HEAD (${head_hash})";
>    fi;
>    echo "${matching_ref}"
>}
>_git-r3_is_local_repo () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local uri=${1};
>    [[ ${uri} == file://* || ${uri} == /* ]]
>}
>_git-r3_set_gitdir () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local repo_name=${1#*://*/};
>    repo_name=${repo_name%/};
>    case "${repo_name}" in 
>        browse/*)
>            repo_name=${repo_name#browse/}
>        ;;
>        cgit/*)
>            repo_name=${repo_name#cgit/}
>        ;;
>        git/*)
>            repo_name=${repo_name#git/}
>        ;;
>        gitroot/*)
>            repo_name=${repo_name#gitroot/}
>        ;;
>        p/*)
>            repo_name=${repo_name#p/}
>        ;;
>        pub/scm/*)
>            repo_name=${repo_name#pub/scm/}
>        ;;
>    esac;
>    repo_name=${repo_name%.git}.git;
>    repo_name=${repo_name//\//_};
>    local distdir=${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}};
>    : ${EGIT3_STORE_DIR:=${distdir}/git3-src};
>    GIT_DIR=${EGIT3_STORE_DIR}/${repo_name};
>    if [[ ! -d ${EGIT3_STORE_DIR} ]]; then
>        ( addwrite /;
>        mkdir -p "${EGIT3_STORE_DIR}" ) || die "Unable to create ${EGIT3_STORE_DIR}";
>    fi;
>    addwrite "${EGIT3_STORE_DIR}";
>    if [[ ! -d ${GIT_DIR} ]]; then
>        local saved_umask;
>        if [[ -n ${EVCS_UMASK} ]]; then
>            saved_umask=$(umask);
>            umask "${EVCS_UMASK}" || die "Bad options to umask: ${EVCS_UMASK}";
>        fi;
>        mkdir "${GIT_DIR}" || die;
>        git init --bare || die;
>        if [[ -n ${saved_umask} ]]; then
>            umask "${saved_umask}" || die;
>        fi;
>    fi
>}
>_git-r3_set_submodules () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local data=${1};
>    submodules=();
>    local l;
>    while read l; do
>        [[ ${l} == submodule.*.url=* ]] || continue;
>        l=${l#submodule.};
>        local subname=${l%%.url=*};
>        local upd=$(echo "${data}" | git config -f /dev/fd/0 			submodule."${subname}".update);
>        [[ ${upd} == none ]] && continue;
>        local enc_subname=${subname//\/.//_};
>        [[ ${enc_subname} == .* ]] && enc_subname=_${enc_subname#.};
>        submodules+=("${enc_subname}" "$(echo "${data}" | git config -f /dev/fd/0 				submodule."${subname}".url || die)" "$(echo "${data}" | git config -f /dev/fd/0 				submodule."${subname}".path || die)");
>    done < <(echo "${data}" | git config -f /dev/fd/0 -l || die)
>}
>_git-r3_set_subrepos () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local suburl=${1};
>    subrepos=("${@:2}");
>    if [[ ${suburl} == ./* || ${suburl} == ../* ]]; then
>        subrepos=("${subrepos[@]%%/}");
>        while true; do
>            if [[ ${suburl} == ./* ]]; then
>                suburl=${suburl:2};
>            else
>                if [[ ${suburl} == ../* ]]; then
>                    suburl=${suburl:3};
>                    subrepos=("${subrepos[@]%/*}");
>                    subrepos=("${subrepos[@]%%/}");
>                else
>                    break;
>                fi;
>            fi;
>        done;
>        subrepos=("${subrepos[@]/%//${suburl}}");
>    else
>        subrepos=("${suburl}");
>    fi
>}
>_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
>}
>_is_flagq () 
>{ 
>    local x var;
>    eval var=\""\${$1[*]}"\";
>    for x in ${var};
>    do
>        [[ ${x} == $2 ]] && return 0;
>    done;
>    return 1
>}
>_ninjaopts_from_makeopts () 
>{ 
>    if [[ ${NINJAOPTS+set} == set ]]; then
>        return 0;
>    fi;
>    local ninjaopts=();
>    set -- ${MAKEOPTS};
>    while (( $# )); do
>        case $1 in 
>            -j | -l | -k)
>                ninjaopts+=($1 $2);
>                shift 2
>            ;;
>            -j* | -l* | -k*)
>                ninjaopts+=($1);
>                shift 1
>            ;;
>            *)
>                shift
>            ;;
>        esac;
>    done;
>    export NINJAOPTS="${ninjaopts[*]}"
>}
>_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}");
>    [[ -z ${search} && -n ${!tuple} ]] && search=$(type -p "${!tuple}-${prog}");
>    [[ -n ${search} ]] && prog=${search##*/};
>    export ${var}=${prog};
>    echo "${!var}"
>}
>all-flag-vars () 
>{ 
>    echo {C,CPP,CXX,CCAS,F,FC,LD}FLAGS
>}
>append-cflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CFLAGS+=" $*";
>    return 0
>}
>append-cppflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CPPFLAGS+=" $*";
>    return 0
>}
>append-cxxflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export CXXFLAGS+=" $*";
>    return 0
>}
>append-fflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    export FFLAGS+=" $*";
>    export FCFLAGS+=" $*";
>    return 0
>}
>append-flags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    case " $* " in 
>        *' '-[DIU]*)
>            eqawarn 'please use append-cppflags for preprocessor flags'
>        ;;
>        *' '-L* | *' '-Wl,*)
>            eqawarn 'please use append-ldflags for linker flags'
>        ;;
>    esac;
>    append-cflags "$@";
>    append-cxxflags "$@";
>    append-fflags "$@";
>    return 0
>}
>append-ldflags () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    local flag;
>    for flag in "$@";
>    do
>        [[ ${flag} == -l* ]] && eqawarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS";
>    done;
>    export LDFLAGS="${LDFLAGS} $*";
>    return 0
>}
>append-lfs-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "append-lfs-flags takes no arguments";
>    append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
>}
>append-libs () 
>{ 
>    [[ $# -eq 0 ]] && return 0;
>    local flag;
>    for flag in "$@";
>    do
>        if [[ -z "${flag// }" ]]; then
>            eqawarn "Appending an empty argument to LIBS is invalid! Skipping.";
>            continue;
>        fi;
>        case $flag in 
>            -[lL]*)
>                export LIBS="${LIBS} ${flag}"
>            ;;
>            -*)
>                eqawarn "Appending non-library to LIBS (${flag}); Other linker flags should be passed via LDFLAGS";
>                export LIBS="${LIBS} ${flag}"
>            ;;
>            *)
>                export LIBS="${LIBS} -l${flag}"
>            ;;
>        esac;
>    done;
>    return 0
>}
>base_src_compile () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    has src_configure ${BASE_EXPF} || base_src_configure;
>    base_src_make "$@"
>}
>base_src_configure () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    [[ -x ${ECONF_SOURCE:-.}/configure ]] && econf "$@"
>}
>base_src_install () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    emake DESTDIR="${D}" "$@" install || die "died running make install, $FUNCNAME";
>    base_src_install_docs
>}
>base_src_install_docs () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    local x;
>    pushd "${S}" > /dev/null;
>    if [[ "$(declare -p DOCS 2>/dev/null 2>&1)" == "declare -a"* ]]; then
>        for x in "${DOCS[@]}";
>        do
>            debug-print "$FUNCNAME: docs: creating document from ${x}";
>            dodoc "${x}" || die "dodoc failed";
>        done;
>    fi;
>    if [[ "$(declare -p HTML_DOCS 2>/dev/null 2>&1)" == "declare -a"* ]]; then
>        for x in "${HTML_DOCS[@]}";
>        do
>            debug-print "$FUNCNAME: docs: creating html document from ${x}";
>            dohtml -r "${x}" || die "dohtml failed";
>        done;
>    fi;
>    popd > /dev/null
>}
>base_src_make () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
>        emake "$@" || die "died running emake, $FUNCNAME";
>    fi
>}
>base_src_prepare () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    debug-print "$FUNCNAME: PATCHES=$PATCHES";
>    local patches_failed=0;
>    pushd "${S}" > /dev/null;
>    if [[ "$(declare -p PATCHES 2>/dev/null 2>&1)" == "declare -a"* ]]; then
>        for x in "${PATCHES[@]}";
>        do
>            debug-print "$FUNCNAME: applying patch from ${x}";
>            if [[ -d "${x}" ]]; then
>                EPATCH_SUFFIX=${EPATCH_SUFFIX:=patch};
>                oldval=${EPATCH_SOURCE};
>                EPATCH_SOURCE=${x};
>                EPATCH_FORCE=yes;
>                epatch;
>                EPATCH_SOURCE=${oldval};
>            else
>                if [[ -f "${x}" ]]; then
>                    epatch "${x}";
>                else
>                    ewarn "QA: File or directory \"${x}\" does not exist.";
>                    ewarn "QA: Check your PATCHES array or add missing file/directory.";
>                    patches_failed=1;
>                fi;
>            fi;
>        done;
>        [[ ${patches_failed} -eq 1 ]] && die "Some patches failed. See above messages.";
>    else
>        for x in ${PATCHES};
>        do
>            debug-print "$FUNCNAME: patching from ${x}";
>            epatch "${x}";
>        done;
>    fi;
>    debug-print "$FUNCNAME: applying user patches";
>    epatch_user;
>    popd > /dev/null
>}
>base_src_unpack () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    pushd "${WORKDIR}" > /dev/null;
>    if [[ $(type -t unpacker_src_unpack) == "function" ]]; then
>        unpacker_src_unpack;
>    else
>        if [[ -n ${A} ]]; then
>            unpack ${A};
>        fi;
>    fi;
>    has src_prepare ${BASE_EXPF} || base_src_prepare;
>    popd > /dev/null
>}
>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;
>    [[ ${opt} = "-a" ]]
>}
>check_license () 
>{ 
>    die "you no longer need this as portage supports ACCEPT_LICENSE itself"
>}
>cmake-utils_src_compile () 
>{ 
>    _cmake_execute_optionally "src_compile" "$@"
>}
>cmake-utils_src_configure () 
>{ 
>    _cmake_execute_optionally "src_configure" "$@"
>}
>cmake-utils_src_install () 
>{ 
>    _cmake_execute_optionally "src_install" "$@"
>}
>cmake-utils_src_make () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    _cmake_check_build_dir;
>    pushd "${BUILD_DIR}" > /dev/null || die;
>    _cmake_${CMAKE_MAKEFILE_GENERATOR}_src_make "$@";
>    popd > /dev/null || die
>}
>cmake-utils_src_prepare () 
>{ 
>    _cmake_execute_optionally "src_prepare" "$@"
>}
>cmake-utils_src_test () 
>{ 
>    _cmake_execute_optionally "src_test" "$@"
>}
>cmake-utils_use () 
>{ 
>    _cmake_use_me_now "" "$@"
>}
>cmake-utils_use_build () 
>{ 
>    _cmake_use_me_now BUILD_ "$@"
>}
>cmake-utils_use_disable () 
>{ 
>    _cmake_use_me_now_inverted DISABLE_ "$@"
>}
>cmake-utils_use_enable () 
>{ 
>    _cmake_use_me_now ENABLE_ "$@"
>}
>cmake-utils_use_find_package () 
>{ 
>    if [[ ${EAPI} != [2345] && "$#" != 2 ]]; then
>        die "Usage: cmake-utils_use_find_package <USE flag> <package name>";
>    fi;
>    _cmake_use_me_now_inverted CMAKE_DISABLE_FIND_PACKAGE_ "$@"
>}
>cmake-utils_use_has () 
>{ 
>    _cmake_use_me_now HAVE_ "$@"
>}
>cmake-utils_use_no () 
>{ 
>    _cmake_use_me_now_inverted NO_ "$@"
>}
>cmake-utils_use_use () 
>{ 
>    _cmake_use_me_now USE_ "$@"
>}
>cmake-utils_use_want () 
>{ 
>    _cmake_use_me_now WANT_ "$@"
>}
>cmake-utils_use_with () 
>{ 
>    _cmake_use_me_now WITH_ "$@"
>}
>cmake-utils_useno () 
>{ 
>    _cmake_use_me_now_inverted "" "$@"
>}
>cmake_comment_add_subdirectory () 
>{ 
>    if [[ -z ${1} ]]; then
>        die "comment_add_subdirectory must be passed the directory name to comment";
>    fi;
>    if [[ -e "CMakeLists.txt" ]]; then
>        sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${1//\//\\/}[[:space:]]*)/I s/^/#DONOTCOMPILE /" -i CMakeLists.txt || die "failed to comment add_subdirectory(${1})";
>    fi
>}
>comment_add_subdirectory () 
>{ 
>    [[ ${EAPI} == [2345] ]] || die "comment_add_subdirectory is banned in EAPI 6 and later - use cmake_comment_add_subdirectory instead";
>    cmake_comment_add_subdirectory "$@"
>}
>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
>}
>enable_cmake-utils_src_compile () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    cmake-utils_src_make "$@"
>}
>enable_cmake-utils_src_configure () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    [[ ${EAPI} == [2345] ]] && _cmake_cleanup_cmake;
>    _cmake_check_build_dir;
>    local -x XDG_CONFIG_HOME="${T}";
>    if [[ ${CMAKE_BUILD_TYPE} = Gentoo ]]; then
>        if ! has debug ${IUSE//+} || ! use debug; then
>            local CPPFLAGS=${CPPFLAGS};
>            append-cppflags -DNDEBUG;
>        fi;
>    fi;
>    local build_rules=${BUILD_DIR}/gentoo_rules.cmake;
>    local includes=;
>    if [[ ${PN} == cmake ]]; then
>        if $(version_is_at_least 3.4.0 $(get_version_component_range 1-3 ${PV})); then
>            includes="<INCLUDES>";
>        fi;
>    else
>        if ROOT=/ has_version \>=dev-util/cmake-3.4.0_rc1; then
>            includes="<INCLUDES>";
>        fi;
>    fi;
>    cat > "${build_rules}"  <<-_EOF_ || 
>SET (CMAKE_AR $(type -P $(tc-getAR)) CACHE FILEPATH "Archive manager" FORCE)
>SET (CMAKE_ASM_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> ${includes} ${CFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "ASM compile command" FORCE)
>SET (CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> ${includes} ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C compile command" FORCE)
>SET (CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> ${includes} ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C++ compile command" FORCE)
>SET (CMAKE_Fortran_COMPILE_OBJECT "<CMAKE_Fortran_COMPILER> <DEFINES> ${includes} ${FCFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "Fortran compile command" FORCE)
>SET (CMAKE_RANLIB $(type -P $(tc-getRANLIB)) CACHE FILEPATH "Archive index generator" FORCE)
>SET (PKG_CONFIG_EXECUTABLE $(type -P $(tc-getPKG_CONFIG)) CACHE FILEPATH "pkg-config executable" FORCE)
>_EOF_
> die
>    local toolchain_file=${BUILD_DIR}/gentoo_toolchain.cmake;
>    cat > ${toolchain_file}  <<-_EOF_ || 
>SET (CMAKE_C_COMPILER $(tc-getCC))
>SET (CMAKE_CXX_COMPILER $(tc-getCXX))
>SET (CMAKE_Fortran_COMPILER $(tc-getFC))
>_EOF_
> die
>    if tc-is-cross-compiler; then
>        local sysname;
>        case "${KERNEL:-linux}" in 
>            Cygwin)
>                sysname="CYGWIN_NT-5.1"
>            ;;
>            HPUX)
>                sysname="HP-UX"
>            ;;
>            linux)
>                sysname="Linux"
>            ;;
>            Winnt)
>                sysname="Windows";
>                cat >> "${toolchain_file}"  <<-_EOF_ || 
>SET (CMAKE_RC_COMPILER $(tc-getRC))
>_EOF_
> die
>            ;;
>            *)
>                sysname="${KERNEL}"
>            ;;
>        esac
>        cat >> "${toolchain_file}"  <<-_EOF_ || 
>SET (CMAKE_SYSTEM_NAME "${sysname}")
>_EOF_
> die
>        if [ "${SYSROOT:-/}" != "/" ]; then
>            cat >> "${toolchain_file}"  <<-_EOF_ || 
>set(CMAKE_FIND_ROOT_PATH "${SYSROOT}")
>set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
>set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
>set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
>_EOF_
> die;
>        fi;
>    fi
>    [[ ${EAPI} == 2 ]] && ! use prefix && local EPREFIX=;
>    if [[ -n ${EPREFIX} ]]; then
>        cat >> "${build_rules}"  <<-_EOF_ || 
># in Prefix we need rpath and must ensure cmake gets our default linker path
># right ... except for Darwin hosts
>IF (NOT APPLE)
>SET (CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
>SET (CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH "${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)"
>CACHE STRING "" FORCE)
>
>ELSE ()
>
>SET(CMAKE_PREFIX_PATH "${EPREFIX}${PREFIX}" CACHE STRING "" FORCE)
>SET(CMAKE_SKIP_BUILD_RPATH OFF CACHE BOOL "" FORCE)
>SET(CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
>SET(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE CACHE BOOL "")
>SET(CMAKE_INSTALL_RPATH "${EPREFIX}${PREFIX}/lib;${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)" CACHE STRING "" FORCE)
>SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE BOOL "" FORCE)
>SET(CMAKE_INSTALL_NAME_DIR "${EPREFIX}${PREFIX}/lib" CACHE STRING "" FORCE)
>
>ENDIF (NOT APPLE)
>_EOF_
> die;
>    fi
>    local common_config=${BUILD_DIR}/gentoo_common_config.cmake;
>    local libdir=$(get_libdir);
>    cat > "${common_config}"  <<-_EOF_ || 
>SET (LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE)
>SET (CMAKE_INSTALL_LIBDIR ${libdir} CACHE PATH "Output directory for libraries")
>_EOF_
> die
>    [[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}";
>    local mycmakeargstype=$(declare -p mycmakeargs 2>&-);
>    if [[ "${mycmakeargstype}" != "declare -a mycmakeargs="* ]]; then
>        if [[ -n "${mycmakeargstype}" ]]; then
>            if [[ ${EAPI} == [2345] ]]; then
>                eqawarn "Declaring mycmakeargs as a variable is deprecated. Please use an array instead.";
>            else
>                die "Declaring mycmakeargs as a variable is banned in EAPI=${EAPI}. Please use an array instead.";
>            fi;
>        fi;
>        local mycmakeargs_local=(${mycmakeargs});
>    else
>        local mycmakeargs_local=("${mycmakeargs[@]}");
>    fi;
>    if [[ ${CMAKE_WARN_UNUSED_CLI} == no ]]; then
>        local warn_unused_cli="--no-warn-unused-cli";
>    else
>        local warn_unused_cli="";
>    fi;
>    local cmakeargs=(${warn_unused_cli} -C "${common_config}" -G "$(_cmake_generator_to_use)" -DCMAKE_INSTALL_PREFIX="${EPREFIX}${PREFIX}" "${mycmakeargs_local[@]}" -DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}" -DCMAKE_INSTALL_DO_STRIP=OFF -DCMAKE_USER_MAKE_RULES_OVERRIDE="${build_rules}" -DCMAKE_TOOLCHAIN_FILE="${toolchain_file}" "${MYCMAKEARGS}");
>    if [[ -n "${CMAKE_EXTRA_CACHE_FILE}" ]]; then
>        cmakeargs+=(-C "${CMAKE_EXTRA_CACHE_FILE}");
>    fi;
>    pushd "${BUILD_DIR}" > /dev/null || die;
>    debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is ${mycmakeargs_local[*]}";
>    echo "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}";
>    "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}" || die "cmake failed";
>    popd > /dev/null || die
>}
>enable_cmake-utils_src_install () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    _cmake_check_build_dir;
>    pushd "${BUILD_DIR}" > /dev/null || die;
>    DESTDIR="${D}" ${CMAKE_MAKEFILE_GENERATOR} install "$@" || die "died running ${CMAKE_MAKEFILE_GENERATOR} install";
>    popd > /dev/null || die;
>    pushd "${S}" > /dev/null || die;
>    einstalldocs;
>    popd > /dev/null || die
>}
>enable_cmake-utils_src_prepare () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    pushd "${S}" > /dev/null || die;
>    if [[ ${EAPI} != [2345] ]]; then
>        default_src_prepare;
>        _cmake_cleanup_cmake;
>    else
>        debug-print "$FUNCNAME: PATCHES=$PATCHES";
>        [[ -n ${PATCHES[@]} ]] && epatch "${PATCHES[@]}";
>        debug-print "$FUNCNAME: applying user patches";
>        epatch_user;
>    fi;
>    popd > /dev/null || die
>}
>enable_cmake-utils_src_test () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    _cmake_check_build_dir;
>    pushd "${BUILD_DIR}" > /dev/null || die;
>    [[ -e CTestTestfile.cmake ]] || { 
>        echo "No tests found. Skipping.";
>        return 0
>    };
>    [[ -n ${TEST_VERBOSE} ]] && myctestargs+=(--extra-verbose --output-on-failure);
>    if ctest "${myctestargs[@]}" "$@"; then
>        einfo "Tests succeeded.";
>        popd > /dev/null || die;
>        return 0;
>    else
>        if [[ -n "${CMAKE_YES_I_WANT_TO_SEE_THE_TEST_LOG}" ]]; then
>            eerror "Tests failed. Test log ${BUILD_DIR}/Testing/Temporary/LastTest.log follows:";
>            eerror "--START TEST LOG--------------------------------------------------------------";
>            cat "${BUILD_DIR}/Testing/Temporary/LastTest.log";
>            eerror "--END TEST LOG----------------------------------------------------------------";
>            die "Tests failed.";
>        else
>            die "Tests failed. When you file a bug, please attach the following file: \n\t${BUILD_DIR}/Testing/Temporary/LastTest.log";
>        fi;
>        popd > /dev/null || die;
>        return 1;
>    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;
>        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 ${EPATCH_SOURCE} ]]; then
>            EPATCH_SOURCE=${EPATCH_SOURCE} EPATCH_SUFFIX="patch" EPATCH_FORCE="yes" EPATCH_MULTI_MSG="Applying user patches from ${EPATCH_SOURCE} ..." epatch;
>            echo "${EPATCH_SOURCE}" > "${applied}";
>            has epatch_user_death_notice ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" epatch_user_death_notice";
>            return 0;
>        fi;
>    done;
>    echo "none" > "${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"
>}
>epunt_cxx () 
>{ 
>    local dir=$1;
>    [[ -z ${dir} ]] && dir=${S};
>    ebegin "Removing useless C++ checks";
>    local f p any_found;
>    while IFS= read -r -d '' f; do
>        for p in "$(eutils_elt_patch_dir)"/nocxx/*.patch;
>        do
>            if patch --no-backup-if-mismatch -p1 "${f}" "${p}" > /dev/null; then
>                any_found=1;
>                break;
>            fi;
>        done;
>    done < <(find "${dir}" -name configure -print0);
>    if [[ -z ${any_found} ]]; then
>        eqawarn "epunt_cxx called unnecessarily (no C++ checks to punt).";
>    fi;
>    eend 0
>}
>eqmake4 () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    has "${EAPI:-0}" 0 1 2 && use !prefix && EPREFIX=;
>    ebegin "Running qmake";
>    local qmake_args=("$@");
>    local regexp='.*\.pro';
>    if ! [[ ${1} =~ ${regexp} ]]; then
>        local project_file=$(qmake-utils_find_pro_file);
>        if [[ -z ${project_file} ]]; then
>            echo;
>            eerror "No project files found in '${PWD}'";
>            eerror "This shouldn't happen - please send a bug report to https://bugs.gentoo.org/";
>            echo;
>            die "eqmake4 failed";
>        fi;
>        qmake_args+=("${project_file}");
>    fi;
>    local config_add=release;
>    local config_remove=debug;
>    if use_if_iuse debug; then
>        config_add=debug;
>        config_remove=release;
>    fi;
>    local awkscript='BEGIN {
>				printf "### eqmake4 was here ###\n" > file;
>				printf "CONFIG -= debug_and_release %s\n", remove >> file;
>				printf "CONFIG += %s\n\n", add >> file;
>				fixed=0;
>			}
>			/^[[:blank:]]*CONFIG[[:blank:]]*[\+\*]?=/ {
>				if (gsub("\\<((" remove ")|(debug_and_release))\\>", "") > 0) {
>					fixed=1;
>				}
>			}
>			/^[[:blank:]]*CONFIG[[:blank:]]*-=/ {
>				if (gsub("\\<" add "\\>", "") > 0) {
>					fixed=1;
>				}
>			}
>			{
>				print >> file;
>			}
>			END {
>				print fixed;
>			}';
>    [[ -n ${EQMAKE4_EXCLUDE} ]] && eshopts_push -o noglob;
>    local file;
>    while read file; do
>        local excl;
>        for excl in ${EQMAKE4_EXCLUDE};
>        do
>            [[ ${file} == ${excl} ]] && continue 2;
>        done;
>        grep -q '^### eqmake4 was here ###$' "${file}" && continue;
>        local retval=$({
>			rm -f "${file}" || echo FAIL
>			awk -v file="${file}" 				-v add=${config_add} 				-v remove=${config_remove} 				-- "${awkscript}" || echo FAIL
>			} < "${file}");
>        if [[ ${retval} == 1 ]]; then
>            einfo " - fixed CONFIG in ${file}";
>        else
>            if [[ ${retval} != 0 ]]; then
>                eerror " - error while processing ${file}";
>                die "eqmake4 failed to process ${file}";
>            fi;
>        fi;
>    done < <(find . -type f -name '*.pr[io]' -printf '%P\n' 2>/dev/null);
>    [[ -n ${EQMAKE4_EXCLUDE} ]] && eshopts_pop;
>    "$(qt4_get_bindir)"/qmake -makefile QMAKE_AR="$(tc-getAR) cqs" QMAKE_CC="$(tc-getCC)" QMAKE_CXX="$(tc-getCXX)" QMAKE_LINK="$(tc-getCXX)" QMAKE_LINK_C="$(tc-getCC)" QMAKE_OBJCOPY="$(tc-getOBJCOPY)" QMAKE_RANLIB= QMAKE_STRIP= QMAKE_CFLAGS="${CFLAGS}" QMAKE_CFLAGS_RELEASE= QMAKE_CFLAGS_DEBUG= QMAKE_CXXFLAGS="${CXXFLAGS}" QMAKE_CXXFLAGS_RELEASE= QMAKE_CXXFLAGS_DEBUG= QMAKE_LFLAGS="${LDFLAGS}" QMAKE_LFLAGS_RELEASE= QMAKE_LFLAGS_DEBUG= QMAKE_LIBDIR_QT="${EPREFIX}$(qt4_get_libdir)" QMAKE_LIBDIR_X11="${EPREFIX}/usr/$(get_libdir)" QMAKE_LIBDIR_OPENGL="${EPREFIX}/usr/$(get_libdir)" "${qmake_args[@]}";
>    if ! eend $?; then
>        echo;
>        eerror "Running qmake has failed! (see above for details)";
>        eerror "This shouldn't happen - please send a bug report to https://bugs.gentoo.org/";
>        echo;
>        die "eqmake4 failed";
>    fi
>}
>eqmake5 () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    ebegin "Running qmake";
>    "$(qt5_get_bindir)"/qmake -makefile QMAKE_AR="$(tc-getAR) cqs" QMAKE_CC="$(tc-getCC)" QMAKE_LINK_C="$(tc-getCC)" QMAKE_LINK_C_SHLIB="$(tc-getCC)" QMAKE_CXX="$(tc-getCXX)" QMAKE_LINK="$(tc-getCXX)" QMAKE_LINK_SHLIB="$(tc-getCXX)" QMAKE_OBJCOPY="$(tc-getOBJCOPY)" QMAKE_RANLIB= QMAKE_STRIP= QMAKE_CFLAGS="${CFLAGS}" QMAKE_CFLAGS_RELEASE= QMAKE_CFLAGS_DEBUG= QMAKE_CXXFLAGS="${CXXFLAGS}" QMAKE_CXXFLAGS_RELEASE= QMAKE_CXXFLAGS_DEBUG= QMAKE_LFLAGS="${LDFLAGS}" QMAKE_LFLAGS_RELEASE= QMAKE_LFLAGS_DEBUG= "$@";
>    if ! eend $?; then
>        echo;
>        eerror "Running qmake has failed! (see above for details)";
>        eerror "This shouldn't happen - please send a bug report to https://bugs.gentoo.org/";
>        echo;
>        die "eqmake5 failed";
>    fi
>}
>eshopts_pop () 
>{ 
>    local s;
>    estack_pop eshopts s || die "${FUNCNAME}: unbalanced push";
>    if [[ ${s} == "shopt -"* ]]; then
>        eval "${s}" || die "${FUNCNAME}: sanity: invalid shopt options: ${s}";
>    else
>        set +$- || die "${FUNCNAME}: sanity: invalid shell settings: $-";
>        set -${s} || die "${FUNCNAME}: sanity: unable to restore saved shell settings: ${s}";
>    fi
>}
>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 $-;
>        [[ $# -eq 0 ]] && return 0;
>        set "$@" || 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: $*"
>}
>eutils_elt_patch_dir () 
>{ 
>    local d="${ECLASSDIR}/ELT-patches";
>    if [[ ! -d ${d} ]]; then
>        d="${_EUTILS_ECLASSDIR_LOCAL}/ELT-patches";
>    fi;
>    echo "${d}"
>}
>evar_pop () 
>{ 
>    local cnt=${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: $*"
>        ;;
>    esac
>}
>filter-flags () 
>{ 
>    _filter-hardened "$@";
>    local v;
>    for v in $(all-flag-vars);
>    do
>        _filter-var ${v} "$@";
>    done;
>    return 0
>}
>filter-ldflags () 
>{ 
>    _filter-var LDFLAGS "$@";
>    return 0
>}
>filter-lfs-flags () 
>{ 
>    [[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments";
>    filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
>}
>filter-mfpmath () 
>{ 
>    local orig_mfpmath new_math prune_math;
>    orig_mfpmath=$(get-flag -mfpmath);
>    new_math=$(get-flag mfpmath);
>    new_math=${new_math/both/387,sse};
>    new_math=" ${new_math//[,+]/ } ";
>    prune_math="";
>    for prune_math in "$@";
>    do
>        new_math=${new_math/ ${prune_math} / };
>    done;
>    new_math=$(echo ${new_math});
>    new_math=${new_math// /,};
>    if [[ -z ${new_math} ]]; then
>        filter-flags ${orig_mfpmath};
>    else
>        replace-flags ${orig_mfpmath} -mfpmath=${new_math};
>    fi;
>    return 0
>}
>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-flag () 
>{ 
>    local f var findflag="$1";
>    for var in $(all-flag-vars);
>    do
>        for f in ${!var};
>        do
>            if [ "${f/${findflag}}" != "${f}" ]; then
>                printf "%s\n" "${f/-${findflag}=}";
>                return 0;
>            fi;
>        done;
>    done;
>    return 1
>}
>get_abi_CFLAGS () 
>{ 
>    get_abi_var CFLAGS "$@"
>}
>get_abi_CHOST () 
>{ 
>    get_abi_var CHOST "$@"
>}
>get_abi_CTARGET () 
>{ 
>    get_abi_var CTARGET "$@"
>}
>get_abi_FAKE_TARGETS () 
>{ 
>    get_abi_var FAKE_TARGETS "$@"
>}
>get_abi_LDFLAGS () 
>{ 
>    get_abi_var LDFLAGS "$@"
>}
>get_abi_LIBDIR () 
>{ 
>    get_abi_var LIBDIR "$@"
>}
>get_abi_var () 
>{ 
>    local flag=$1;
>    local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}};
>    local var="${flag}_${abi}";
>    echo ${!var}
>}
>get_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_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_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//[-._]/ }
>}
>git-r3_checkout () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local repos;
>    if [[ -n ${1} ]]; then
>        repos=(${1});
>    else
>        if [[ $(declare -p EGIT_REPO_URI) == "declare -a"* ]]; then
>            repos=("${EGIT_REPO_URI[@]}");
>        else
>            repos=(${EGIT_REPO_URI});
>        fi;
>    fi;
>    local out_dir=${2:-${EGIT_CHECKOUT_DIR:-${WORKDIR}/${P}}};
>    local local_id=${3:-${CATEGORY}/${PN}/${SLOT%/*}};
>    local -x GIT_DIR;
>    _git-r3_set_gitdir "${repos[0]}";
>    einfo "Checking out \e[1m${repos[0]}\e[22m to \e[1m${out_dir}\e[22m ...";
>    if ! git cat-file -e refs/git-r3/"${local_id}"/__main__; then
>        if [[ -n ${EVCS_OFFLINE} ]]; then
>            die "No local clone of ${repos[0]}. Unable to work with EVCS_OFFLINE.";
>        else
>            die "Logic error: no local clone of ${repos[0]}. git-r3_fetch not used?";
>        fi;
>    fi;
>    local remote_ref=$(
>		git symbolic-ref --quiet refs/git-r3/"${local_id}"/__main__
>	);
>    local new_commit_id=$(
>		git rev-parse --verify refs/git-r3/"${local_id}"/__main__
>	);
>    function git-r3_sub_checkout () 
>    { 
>        local orig_repo=${GIT_DIR};
>        local -x GIT_DIR=${out_dir}/.git;
>        local -x GIT_WORK_TREE=${out_dir};
>        mkdir -p "${out_dir}" || die;
>        git init --quiet || die;
>        echo "${orig_repo}/objects" > "${GIT_DIR}"/objects/info/alternates || die;
>        cp -R "${orig_repo}"/refs/[htn]* "${GIT_DIR}"/refs/ || die;
>        if [[ -f ${orig_repo}/shallow ]]; then
>            cp "${orig_repo}"/shallow "${GIT_DIR}"/ || die;
>        fi;
>        set -- git checkout --quiet;
>        if [[ -n ${remote_ref} ]]; then
>            set -- "${@}" "${remote_ref#refs/heads/}";
>        else
>            set -- "${@}" "${new_commit_id}";
>        fi;
>        echo "${@}" 1>&2;
>        "${@}" || die "git checkout ${remote_ref:-${new_commit_id}} failed"
>    };
>    git-r3_sub_checkout;
>    unset -f git-r3_sub_checkout;
>    local old_commit_id=$(
>		git rev-parse --quiet --verify refs/git-r3/"${local_id}"/__old__
>	);
>    if [[ ! -n ${old_commit_id} ]]; then
>        echo "GIT NEW branch -->";
>        echo "   repository:               ${repos[0]}";
>        echo "   at the commit:            ${new_commit_id}";
>    else
>        echo "GIT update -->";
>        echo "   repository:               ${repos[0]}";
>        if [[ "${old_commit_id}" != "${new_commit_id}" ]]; then
>            echo "   updating from commit:     ${old_commit_id}";
>            echo "   to commit:                ${new_commit_id}";
>            git --no-pager diff --stat ${old_commit_id}..${new_commit_id};
>        else
>            echo "   at the commit:            ${new_commit_id}";
>        fi;
>    fi;
>    git update-ref --no-deref refs/git-r3/"${local_id}"/{__old__,__main__} || die;
>    if [[ -f ${out_dir}/.gitmodules ]]; then
>        local submodules;
>        _git-r3_set_submodules "$(<"${out_dir}"/.gitmodules)";
>        while [[ -n ${submodules[@]} ]]; do
>            local subname=${submodules[0]};
>            local url=${submodules[1]};
>            local path=${submodules[2]};
>            if [[ -d ${out_dir}/${path} ]]; then
>                local subrepos;
>                _git-r3_set_subrepos "${url}" "${repos[@]}";
>                git-r3_checkout "${subrepos[*]}" "${out_dir}/${path}" "${local_id}/${subname}";
>            fi;
>            submodules=("${submodules[@]:3}");
>        done;
>    fi;
>    export EGIT_DIR=${GIT_DIR};
>    export EGIT_VERSION=${new_commit_id}
>}
>git-r3_fetch () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    [[ -n ${EVCS_OFFLINE} ]] && return;
>    local repos;
>    if [[ -n ${1} ]]; then
>        repos=(${1});
>    else
>        if [[ $(declare -p EGIT_REPO_URI) == "declare -a"* ]]; then
>            repos=("${EGIT_REPO_URI[@]}");
>        else
>            repos=(${EGIT_REPO_URI});
>        fi;
>    fi;
>    local branch=${EGIT_BRANCH:+refs/heads/${EGIT_BRANCH}};
>    local remote_ref=${2:-${EGIT_COMMIT:-${branch:-HEAD}}};
>    local local_id=${3:-${CATEGORY}/${PN}/${SLOT%/*}};
>    local local_ref=refs/git-r3/${local_id}/__main__;
>    [[ -n ${repos[@]} ]] || die "No URI provided and EGIT_REPO_URI unset";
>    local -x GIT_DIR;
>    _git-r3_set_gitdir "${repos[0]}";
>    if [[ -n ${EGIT_MIRROR_URI} ]]; then
>        repos=("${EGIT_MIRROR_URI%/}/${GIT_DIR##*/}" "${repos[@]}");
>    fi;
>    local r success saved_umask;
>    if [[ -n ${EVCS_UMASK} ]]; then
>        saved_umask=$(umask);
>        umask "${EVCS_UMASK}" || die "Bad options to umask: ${EVCS_UMASK}";
>    fi;
>    for r in "${repos[@]}";
>    do
>        einfo "Fetching \e[1m${r}\e[22m ...";
>        local fetch_command=(git fetch "${r}");
>        local clone_type=${EGIT_CLONE_TYPE};
>        if [[ ${r} == https://* ]] && ! ROOT=/ has_version 'dev-vcs/git[curl]'; then
>            eerror "git-r3: fetching from https:// requested. In order to support https,";
>            eerror "dev-vcs/git needs to be built with USE=curl. Example solution:";
>            eerror;
>            eerror "	echo dev-vcs/git curl >> /etc/portage/package.use";
>            eerror "	emerge -1v dev-vcs/git";
>            die "dev-vcs/git built with USE=curl required.";
>        fi;
>        if [[ ${r} == https://code.google.com/* ]]; then
>            if [[ ${clone_type} == shallow ]]; then
>                einfo "  Google Code does not support shallow clones";
>                einfo "  using \e[1mEGIT_CLONE_TYPE=single+tags\e[22m";
>                clone_type=single+tags;
>            else
>                if [[ ${clone_type} == single ]]; then
>                    einfo "  git-r3: Google Code does not send tags properly in 'single' mode";
>                    einfo "  using \e[1mEGIT_CLONE_TYPE=single+tags\e[22m";
>                    clone_type=single+tags;
>                fi;
>            fi;
>        fi;
>        if [[ ${clone_type} == mirror ]]; then
>            fetch_command+=(--prune "+refs/heads/*:refs/heads/*" "+refs/tags/*:refs/tags/*" "+refs/notes/*:refs/notes/*" "+HEAD:refs/git-r3/HEAD");
>        else
>            local fetch_l fetch_r;
>            if [[ ${remote_ref} == HEAD ]]; then
>                fetch_l=HEAD;
>            else
>                if [[ ${remote_ref} == refs/* ]]; then
>                    fetch_l=${remote_ref};
>                else
>                    local tagref=$(git ls-remote "${r}" "refs/tags/${remote_ref}");
>                    if [[ -n ${tagref} ]]; then
>                        fetch_l=refs/tags/${remote_ref};
>                    else
>                        if [[ -n ${branch} ]]; then
>                            fetch_l=${branch};
>                        else
>                            fetch_l=HEAD;
>                        fi;
>                        if [[ ${clone_type} == shallow ]]; then
>                            clone_type=single;
>                        fi;
>                    fi;
>                fi;
>            fi;
>            if [[ ${fetch_l} == HEAD ]]; then
>                fetch_r=refs/git-r3/HEAD;
>            else
>                fetch_r=${fetch_l};
>            fi;
>            fetch_command+=("+${fetch_l}:${fetch_r}");
>            if [[ ${clone_type} == single+tags ]]; then
>                fetch_command+=("+refs/tags/*:refs/tags/*");
>            fi;
>        fi;
>        if [[ ${clone_type} == shallow ]]; then
>            if _git-r3_is_local_repo; then
>                clone_type=single;
>            else
>                if [[ ! -n $(git rev-parse --quiet --verify "${fetch_r}") ]]; then
>                    fetch_command+=(--depth 1);
>                fi;
>            fi;
>        else
>            if [[ -f ${GIT_DIR}/shallow ]]; then
>                fetch_command+=(--unshallow);
>            fi;
>        fi;
>        set -- "${fetch_command[@]}";
>        echo "${@}" 1>&2;
>        if "${@}"; then
>            if [[ ${clone_type} == mirror ]]; then
>                git symbolic-ref HEAD "$(_git-r3_find_head refs/git-r3/HEAD 						< <(git show-ref --heads || die))" || die "Unable to update HEAD";
>            else
>                if [[ ${fetch_l} == HEAD ]]; then
>                    local head_branch=$(_git-r3_find_head 						refs/git-r3/HEAD 						< <(git ls-remote --heads "${r}" || die));
>                    git update-ref --no-deref "${head_branch}" refs/git-r3/HEAD || die "Unable to sync HEAD branch ${head_branch}";
>                    git symbolic-ref HEAD "${head_branch}" || die "Unable to update HEAD";
>                fi;
>            fi;
>            local full_remote_ref=$(
>				git rev-parse --verify --symbolic-full-name "${remote_ref}"
>			);
>            if [[ -n ${full_remote_ref} ]]; then
>                set -- git symbolic-ref "${local_ref}" "${full_remote_ref}";
>            else
>                set -- git update-ref --no-deref "${local_ref}" "${remote_ref}";
>            fi;
>            echo "${@}" 1>&2;
>            if ! "${@}"; then
>                die "Referencing ${remote_ref} failed (wrong ref?).";
>            fi;
>            success=1;
>            break;
>        fi;
>    done;
>    if [[ -n ${saved_umask} ]]; then
>        umask "${saved_umask}" || die;
>    fi;
>    [[ -n ${success} ]] || die "Unable to fetch from any of EGIT_REPO_URI";
>    local EGIT_CLONE_TYPE=mirror;
>    if git cat-file -e "${local_ref}":.gitmodules &> /dev/null; then
>        local submodules;
>        _git-r3_set_submodules "$(git cat-file -p "${local_ref}":.gitmodules || die)";
>        while [[ -n ${submodules[@]} ]]; do
>            local subname=${submodules[0]};
>            local url=${submodules[1]};
>            local path=${submodules[2]};
>            if [[ -n $(git ls-tree -d "${local_ref}" "${path}") ]]; then
>                local commit=$(git rev-parse "${local_ref}:${path}" || die);
>                if [[ ! -n ${commit} ]]; then
>                    die "Unable to get commit id for submodule ${subname}";
>                fi;
>                local subrepos;
>                _git-r3_set_subrepos "${url}" "${repos[@]}";
>                git-r3_fetch "${subrepos[*]}" "${commit}" "${local_id}/${subname}";
>            fi;
>            submodules=("${submodules[@]:3}");
>        done;
>    fi
>}
>git-r3_peek_remote_ref () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local repos;
>    if [[ -n ${1} ]]; then
>        repos=(${1});
>    else
>        if [[ $(declare -p EGIT_REPO_URI) == "declare -a"* ]]; then
>            repos=("${EGIT_REPO_URI[@]}");
>        else
>            repos=(${EGIT_REPO_URI});
>        fi;
>    fi;
>    local branch=${EGIT_BRANCH:+refs/heads/${EGIT_BRANCH}};
>    local remote_ref=${2:-${EGIT_COMMIT:-${branch:-HEAD}}};
>    [[ -n ${repos[@]} ]] || die "No URI provided and EGIT_REPO_URI unset";
>    local r success;
>    for r in "${repos[@]}";
>    do
>        einfo "Peeking \e[1m${remote_ref}\e[22m on \e[1m${r}\e[22m ..." 1>&2;
>        local lookup_ref;
>        if [[ ${remote_ref} == refs/* || ${remote_ref} == HEAD ]]; then
>            lookup_ref=${remote_ref};
>        else
>            lookup_ref=refs/tags/${remote_ref};
>        fi;
>        local ref=($(git ls-remote "${r}" "${lookup_ref}"));
>        if [[ -n ${ref[0]} ]]; then
>            echo "${ref[0]}";
>            return 0;
>        fi;
>    done;
>    return 1
>}
>git-r3_pkg_needrebuild () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    local new_commit_id=$(git-r3_peek_remote_ref);
>    [[ -n ${new_commit_id} && -n ${EGIT_VERSION} ]] || die "Lookup failed";
>    if [[ ${EGIT_VERSION} != ${new_commit_id} ]]; then
>        einfo "Update from \e[1m${EGIT_VERSION}\e[22m to \e[1m${new_commit_id}\e[22m";
>    else
>        einfo "Local and remote at \e[1m${EGIT_VERSION}\e[22m";
>    fi;
>    [[ ${EGIT_VERSION} != ${new_commit_id} ]]
>}
>git-r3_src_fetch () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    if [[ ! -n ${EGIT3_STORE_DIR} && -n ${EGIT_STORE_DIR} ]]; then
>        ewarn "You have set EGIT_STORE_DIR but not EGIT3_STORE_DIR. Please consider";
>        ewarn "setting EGIT3_STORE_DIR for git-r3.eclass. It is recommended to use";
>        ewarn "a different directory than EGIT_STORE_DIR to ease removing old clones";
>        ewarn "when git-2 eclass becomes deprecated.";
>    fi;
>    _git-r3_env_setup;
>    git-r3_fetch
>}
>git-r3_src_unpack () 
>{ 
>    debug-print-function ${FUNCNAME} "$@";
>    _git-r3_env_setup;
>    git-r3_src_fetch;
>    git-r3_checkout
>}
>has_m32 () 
>{ 
>    die "${FUNCNAME}: don't use this anymore"
>}
>has_m64 () 
>{ 
>    eqawarn "${FUNCNAME}: don't use this anymore";
>    local temp="$(emktemp)";
>    echo "int main() { return(0); }" > "${temp}".c;
>    MY_CC=$(tc-getCC);
>    ${MY_CC/ .*/} -m64 -o "$(emktemp)" "${temp}".c > /dev/null 2>&1;
>    local ret=$?;
>    rm -f "${temp}".c;
>    [[ ${ret} != 1 ]] && return 0;
>    return 1
>}
>has_multilib_profile () 
>{ 
>    [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
>}
>in_iuse () 
>{ 
>    debug-print-function ${FUNCNAME} "${@}";
>    [[ ${#} -eq 1 ]] || die "Invalid args to ${FUNCNAME}()";
>    local flag=${1};
>    local liuse=(${IUSE});
>    has "${flag}" "${liuse[@]#[+-]}"
>}
>is-flag () 
>{ 
>    is-flagq "$@" && echo true
>}
>is-flagq () 
>{ 
>    [[ -n $2 ]] && die "Usage: is-flag <flag>";
>    local var;
>    for var in $(all-flag-vars);
>    do
>        _is_flagq ${var} "$1" && return 0;
>    done;
>    return 1
>}
>is-ldflag () 
>{ 
>    is-ldflagq "$@" && echo true
>}
>is-ldflagq () 
>{ 
>    [[ -n $2 ]] && die "Usage: is-ldflag <flag>";
>    _is_flagq LDFLAGS $1
>}
>is_final_abi () 
>{ 
>    has_multilib_profile || return 0;
>    set -- $(get_install_abis);
>    local LAST_ABI=$#;
>    [[ ${!LAST_ABI} == ${ABI} ]]
>}
>isdigit () 
>{ 
>    local d;
>    for d in "$@";
>    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:+;};
>    eshopts_push -s extglob;
>    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%.@(xpm|png|svg)};
>    fi;
>    eshopts_pop;
>    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 ${vv};
>        done;
>        export _DEFAULT_ABI_SAVED="true";
>        export CHOST=$(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 $1);
>        export CBUILD=$(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 "$@" )
>}
>no-as-needed () 
>{ 
>    case $($(tc-getLD) -v 2>&1 </dev/null) in 
>        *GNU*)
>            echo "-Wl,--no-as-needed"
>        ;;
>    esac
>}
>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_needrebuild () 
>{ 
>    git-r3_pkg_needrebuild
>}
>pkg_nofetch () 
>{ 
>    default
>}
>pkg_postinst () 
>{ 
>    elog "Remember, in order to play games, you have to ";
>    elog "be in the 'games' group. ";
>    elog "Just run 'gpasswd -a <USER> games', then have <USER> re-login. "
>}
>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;
>    _eutils_eprefix_init;
>    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
>                                                eqawarn "${FUNCNAME}: variable substitution likely failed in ${pc}";
>                                                eqawarn "(arg: ${arg})";
>                                                eqawarn "Most likely, you need to add virtual/pkgconfig to DEPEND.";
>                                            fi;
>                                            pc_libs+=(lib${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 "${ED}" -xtype f -name '*.la' -print0);
>    if [[ -n ${queue[@]} ]]; then
>        rm -f "${queue[@]}";
>    fi
>}
>qmake-utils_find_pro_file () 
>{ 
>    local dir_name=$(basename "${S}");
>    eshopts_push -s nullglob;
>    local pro_files=(*.pro);
>    eshopts_pop;
>    case ${#pro_files[@]} in 
>        0)
>            :
>        ;;
>        1)
>            echo "${pro_files}"
>        ;;
>        *)
>            for pro_file in "${pro_files[@]}";
>            do
>                if [[ ${pro_file%.pro} == ${dir_name} || ${pro_file%.pro} == ${PN} ]]; then
>                    echo "${pro_file}";
>                    break;
>                fi;
>            done
>        ;;
>    esac
>}
>qt4-r2_src_compile () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    base_src_compile "$@"
>}
>qt4-r2_src_configure () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    local project_file=$(qmake-utils_find_pro_file);
>    if [[ -n ${project_file} ]]; then
>        eqmake4 "${project_file}";
>    else
>        base_src_configure "$@";
>    fi
>}
>qt4-r2_src_install () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    base_src_install INSTALL_ROOT="${D}" "$@";
>    einstalldocs
>}
>qt4-r2_src_prepare () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    base_src_prepare "$@"
>}
>qt4-r2_src_unpack () 
>{ 
>    debug-print-function $FUNCNAME "$@";
>    base_src_unpack "$@"
>}
>qt4_get_bindir () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && use !prefix && EPREFIX=;
>    local qtbindir=${EPREFIX}$(qt4_get_libdir)/bin;
>    if [[ -d ${qtbindir} ]]; then
>        echo ${qtbindir};
>    else
>        echo ${EPREFIX}/usr/bin;
>    fi
>}
>qt4_get_headerdir () 
>{ 
>    echo /usr/include/qt4
>}
>qt4_get_libdir () 
>{ 
>    echo /usr/$(get_libdir)/qt4
>}
>qt4_get_mkspecsdir () 
>{ 
>    echo /usr/share/qt4/mkspecs
>}
>qt4_get_plugindir () 
>{ 
>    echo $(qt4_get_libdir)/plugins
>}
>qt5_get_bindir () 
>{ 
>    has "${EAPI:-0}" 0 1 2 && use !prefix && EPREFIX=;
>    echo ${EPREFIX}$(qt5_get_libdir)/qt5/bin
>}
>qt5_get_headerdir () 
>{ 
>    echo /usr/include/qt5
>}
>qt5_get_libdir () 
>{ 
>    echo /usr/$(get_libdir)
>}
>qt5_get_mkspecsdir () 
>{ 
>    echo $(qt5_get_libdir)/qt5/mkspecs
>}
>qt5_get_plugindir () 
>{ 
>    echo $(qt5_get_libdir)/qt5/plugins
>}
>raw-ldflags () 
>{ 
>    local x input="$@";
>    [[ -z ${input} ]] && input=${LDFLAGS};
>    set --;
>    for x in ${input};
>    do
>        case ${x} in 
>            -Wl,*)
>                x=${x#-Wl,};
>                set -- "$@" ${x//,/ }
>            ;;
>            *)
>
>            ;;
>        esac;
>    done;
>    echo "$@"
>}
>replace-cpu-flags () 
>{ 
>    local newcpu="$#";
>    newcpu="${!newcpu}";
>    while [ $# -gt 1 ]; do
>        replace-flags "-march=${1}" "-march=${newcpu}";
>        replace-flags "-mcpu=${1}" "-mcpu=${newcpu}";
>        replace-flags "-mtune=${1}" "-mtune=${newcpu}";
>        shift;
>    done;
>    return 0
>}
>replace-flags () 
>{ 
>    [[ $# != 2 ]] && die "Usage: replace-flags <old flag> <new flag>";
>    local f var new;
>    for var in $(all-flag-vars);
>    do
>        new=();
>        for f in ${!var};
>        do
>            [[ ${f} == ${1} ]] && f=${2};
>            new+=("${f}");
>        done;
>        eval export ${var}=\""${new[*]}"\";
>    done;
>    return 0
>}
>replace-sparc64-flags () 
>{ 
>    local SPARC64_CPUS="ultrasparc3 ultrasparc v9";
>    if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
>        for x in ${SPARC64_CPUS};
>        do
>            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}";
>        done;
>    else
>        for x in ${SPARC64_CPUS};
>        do
>            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
>        done;
>    fi;
>    if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
>        for x in ${SPARC64_CPUS};
>        do
>            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}";
>        done;
>    else
>        for x in ${SPARC64_CPUS};
>        do
>            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
>        done;
>    fi;
>    export CFLAGS CXXFLAGS
>}
>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 ${c// };
>    eshopts_pop
>}
>setup-allowed-flags () 
>{ 
>    ALLOWED_FLAGS=(-pipe -O '-O[12sg]' -mcpu -march -mtune '-fstack-protector*' '-fsanitize*' -fbounds-check -fbounds-checking -fno-strict-overflow -fno-PIE -fno-pie -nopie -fno-unit-at-a-time -g '-g[0-9]' -ggdb '-ggdb[0-9]' '-gdwarf-*' gstabs -gstabs+ -fno-ident -fpermissive -frecord-gcc-switches '-fdiagnostics*' '-W*' -w '-[DUILR]*' '-Wl,*');
>    ALLOWED_FLAGS+=('-fno-stack-protector*' '-fabi-version=*' -fno-strict-aliasing -fno-bounds-check -fno-bounds-checking -fstrict-overflow -fno-omit-frame-pointer '-fno-builtin*');
>    ALLOWED_FLAGS+=(-mregparm -mno-app-regs -mapp-regs -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4 -mno-sse4.1 -mno-sse4.2 -mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow -mno-popcnt -mno-abm -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu -mieee -mieee-with-inexact -mschedule -mfloat-gprs -mspe -mno-spe -mtls-direct-seg-refs -mno-tls-direct-seg-refs -mflat -mno-flat -mno-faster-structs -mfaster-structs -m32 -m64 -mx32 -mabi -mlittle-endian -mbig-endian -EL -EB -fPIC -mlive-g0 -mcmodel -mstack-bias -mno-stack-bias -msecure-plt '-m*-toc' -mfloat-abi -mfix-r10000 -mno-fix-r10000 -mno-fma4 -mno-movbe -mno-xop -mno-lwp -mno-fsgsbase -mno-rdrnd -mno-f16c -mno-bmi -mno-tbm -mno-avx2 -mno-bmi2 -mno-fma -mno-lzcnt -mno-fxsr -mno-hle -mno-rtm -mno-xsave -mno-xsaveopt -mno-avx512cd -mno-avx512er -mno-avx512f -mno-avx512pf -mno-sha)
>}
>src_compile () 
>{ 
>    if use qt4; then
>        cd "${WORKDIR}"/"${P}"/Qt || die;
>        qt4-r2_src_compile;
>    else
>        if use qt5; then
>            cd "${WORKDIR}"/"${P}"/Qt || die;
>            qt4-r2_src_compile;
>        else
>            cmake-utils_src_compile;
>        fi;
>    fi
>}
>src_configure () 
>{ 
>    if use qt4; then
>        cd "${WORKDIR}"/"${P}"/Qt || die;
>        qt4-r2_src_configure;
>        eqmake4 "${WORKDIR}"/"${P}"/Qt/PPSSPPQt.pro;
>    else
>        if use qt5; then
>            cd "${WORKDIR}"/"${P}"/Qt || die;
>            qt4-r2_src_configure;
>            eqmake5 "${WORKDIR}"/"${P}"/Qt/PPSSPPQt.pro;
>        else
>            cmake-utils_src_configure;
>        fi;
>    fi
>}
>src_install () 
>{ 
>    if use qt4; then
>        exeinto /usr/games/bin;
>        newexe "${WORKDIR}"/"${P}"/Qt/ppsspp ppsspp;
>    else
>        if use qt5; then
>            exeinto /usr/games/bin;
>            newexe "${WORKDIR}"/"${P}"/Qt/ppsspp ppsspp;
>        else
>            exeinto /usr/games;
>            dobin "${FILESDIR}"/ppsspp;
>            exeinto /usr/share/games/"${PN}";
>            doexe "${WORKDIR}"/"${P}"_build/PPSSPPSDL;
>            insinto /usr/share/games/"${PN}";
>            doins -r "${WORKDIR}"/"${P}"_build/assets;
>            doins -r "${WORKDIR}"/"${P}"/lang;
>        fi;
>    fi;
>    insinto /usr/share/icons/;
>    newins "${WORKDIR}"/"${P}"/source_assets/image/icon_regular_72.png ppsspp-icon.png;
>    domenu "${FILESDIR}"/ppsspp.desktop
>}
>src_prepare () 
>{ 
>    sed -i -e "s#-O3#-O2#g;" "${S}"/CMakeLists.txt || die;
>    sed -i -e "s#-O3#-O2#g;" "${S}"/Qt/Settings.pri || die;
>    sed -i -e "s#-O3#-O2#g;" "${S}"/ffmpeg/linux_*.sh || die;
>    if use qt4; then
>        cd "${WORKDIR}"/"${P}"/Qt || die;
>        qt4-r2_src_prepare;
>    else
>        if use qt5; then
>            cd "${WORKDIR}"/"${P}"/Qt || die;
>            qt4-r2_src_prepare;
>        else
>            cmake-utils_src_prepare;
>        fi;
>    fi
>}
>src_test () 
>{ 
>    cmake-utils_src_test "$@"
>}
>src_unpack () 
>{ 
>    git-r3_fetch;
>    git-r3_checkout;
>    if use qt4; then
>        cd "${WORKDIR}"/"${P}"/Qt || die;
>        qt4-r2_src_unpack;
>    else
>        if use qt5; then
>            cd "${WORKDIR}"/"${P}"/Qt || die;
>            qt4-r2_src_unpack;
>        fi;
>    fi
>}
>strip-flags () 
>{ 
>    local x y var;
>    local ALLOWED_FLAGS;
>    setup-allowed-flags;
>    set -f;
>    for var in $(all-flag-vars);
>    do
>        local new=();
>        for x in ${!var};
>        do
>            local flag=${x%%=*};
>            for y in "${ALLOWED_FLAGS[@]}";
>            do
>                if [[ -z ${flag%%${y}} ]]; then
>                    new+=("${x}");
>                    break;
>                fi;
>            done;
>        done;
>        if _is_flagq ${var} "-O*" && ! _is_flagq new "-O*"; then
>            new+=(-O2);
>        fi;
>        if [[ ${!var} != "${new[*]}" ]]; then
>            einfo "strip-flags: ${var}: changed '${!var}' to '${new[*]}'";
>        fi;
>        eval export ${var}=\""${new[*]}"\";
>    done;
>    set +f;
>    return 0
>}
>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}
>}
>strip-unsupported-flags () 
>{ 
>    export CFLAGS=$(test-flags-CC ${CFLAGS});
>    export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS});
>    export FFLAGS=$(test-flags-F77 ${FFLAGS});
>    export FCFLAGS=$(test-flags-FC ${FCFLAGS})
>}
>tc-arch () 
>{ 
>    tc-ninja_magic_to_arch portage "$@"
>}
>tc-arch-kernel () 
>{ 
>    tc-ninja_magic_to_arch kern "$@"
>}
>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 '${var}'";
>        eval tc-get${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-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 "$@"
>}
>tc-getBUILD_CPP () 
>{ 
>    tc-getBUILD_PROG CPP cpp "$@"
>}
>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 "$@"
>}
>tc-getCPP () 
>{ 
>    tc-getPROG CPP cpp "$@"
>}
>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-cross-compiler () 
>{ 
>    [[ ${CBUILD:-${CHOST}} != ${CHOST} ]]
>}
>tc-is-softfloat () 
>{ 
>    local CTARGET=${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:-${CHOST}};
>    local KV=${KV:-${KV_FULL}};
>    [[ ${type} == "kern" ]] && [[ -z ${KV} ]] && ewarn "QA: Kernel version could not be determined, please inherit kernel-2 or linux-info";
>    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" ]] && [[ $(KV_to_int ${KV}) -lt $(KV_to_int 2.6.24) || ${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
>        ;;
>        or32*)
>            echo openrisc
>        ;;
>        powerpc*)
>            if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]]; then
>                echo powerpc;
>            else
>                if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]]; then
>                    if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]]; then
>                        echo powerpc;
>                    else
>                        echo ppc;
>                    fi;
>                else
>                    if [[ ${host} == powerpc64* ]]; then
>                        echo ppc64;
>                    else
>                        if [[ ${PROFILE_ARCH} == "ppc64" ]]; then
>                            ninj ppc64 ppc;
>                        else
>                            echo ppc;
>                        fi;
>                    fi;
>                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" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]]; then
>                echo x86;
>            else
>                ninj x86_64 amd64;
>            fi
>        ;;
>        xtensa*)
>            echo xtensa
>        ;;
>        *)
>            echo unknown
>        ;;
>    esac
>}
>test-flag-CC () 
>{ 
>    test-flag-PROG "CC" c "$1"
>}
>test-flag-CXX () 
>{ 
>    test-flag-PROG "CXX" c++ "$1"
>}
>test-flag-F77 () 
>{ 
>    test-flag-PROG "F77" f77 "$1"
>}
>test-flag-FC () 
>{ 
>    test-flag-PROG "FC" f95 "$1"
>}
>test-flag-PROG () 
>{ 
>    local comp=$1;
>    local lang=$2;
>    local flag=$3;
>    [[ -z ${comp} || -z ${flag} ]] && return 1;
>    local cmdline=($(tc-get${comp}) -Werror -c -o /dev/null);
>    if "${cmdline[@]}" -x${lang} - < /dev/null > /dev/null 2>&1; then
>        "${cmdline[@]}" "${flag}" -x${lang} - < /dev/null > /dev/null 2>&1;
>    else
>        "${cmdline[@]}" "${flag}" -c -o /dev/null /dev/null > /dev/null 2>&1;
>    fi
>}
>test-flags () 
>{ 
>    test-flags-CC "$@"
>}
>test-flags-CC () 
>{ 
>    test-flags-PROG "CC" "$@"
>}
>test-flags-CXX () 
>{ 
>    test-flags-PROG "CXX" "$@"
>}
>test-flags-F77 () 
>{ 
>    test-flags-PROG "F77" "$@"
>}
>test-flags-FC () 
>{ 
>    test-flags-PROG "FC" "$@"
>}
>test-flags-PROG () 
>{ 
>    local comp=$1;
>    local flags=();
>    local x;
>    shift;
>    [[ -z ${comp} ]] && return 1;
>    for x in "$@";
>    do
>        test-flag-${comp} "${x}" && flags+=("${x}");
>    done;
>    echo "${flags[*]}";
>    [[ ${#flags[@]} -gt 0 ]]
>}
>test_version_info () 
>{ 
>    if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then
>        return 0;
>    else
>        return 1;
>    fi
>}
>use_if_iuse () 
>{ 
>    in_iuse $1 || return 1;
>    use $1
>}
>validate_desktop_entries () 
>{ 
>    _eutils_eprefix_init;
>    if [[ -x "${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 583894: 435094 | 435096 | 435098 | 435100