declare -x ABI="amd64"
declare -x ABI_MIPS=""
declare -x ABI_S390=""
declare -x ABI_X86="64"
declare -x ADAFLAGS=""
declare -x ADA_TARGET=""
declare -x ALSA_CARDS=""
declare -x AMDGPU_TARGETS=""
declare -x APACHE2_MODULES=""
declare -x APACHE2_MPMS=""
declare -x ARCH="amd64"
declare BDEPEND=$'\n\tpython_single_target_python3_10? (\n\t\t\tdev-lang/python:3.10\n\t\t) python_single_target_python3_11? (\n\t\t\tdev-lang/python:3.11\n\t\t) python_single_target_python3_12? (\n\t\t\tdev-lang/python:3.12\n\t\t) python_single_target_python3_13? (\n\t\t\tdev-lang/python:3.13\n\t\t) \n\tsys-devel/gettext\n\tvirtual/pkgconfig\n virtual/pkgconfig'
declare -x BINPKG_FORMAT="gpkg"
declare -x BINPKG_GPG_SIGNING_BASE_COMMAND="/usr/bin/flock /run/lock/portage-binpkg-gpg.lock /usr/bin/gpg --sign --armor [PORTAGE_CONFIG]"
declare -x BINPKG_GPG_SIGNING_DIGEST="SHA512"
declare -x BINPKG_GPG_VERIFY_BASE_COMMAND="/usr/bin/gpg --verify --batch --no-tty --no-auto-check-trustdb --status-fd 2 [PORTAGE_CONFIG] [SIGNATURE]"
declare -x BINPKG_GPG_VERIFY_GPG_HOME="/etc/portage/gnupg"
declare -x BOOTSTRAP_USE="unicode pkg-config split-usr xml python_targets_python3_12 python_single_target_python3_12 multilib zstd cet hardened pic xtpax -jit -orc"
declare -x CALLIGRA_FEATURES=""
declare -x CAMERAS=""
declare -x CBUILD="x86_64-pc-linux-gnu"
declare -x CCASFLAGS=""
declare -x CFLAGS="-O2 -pipe"
declare -x CFLAGS_amd64="-m64"
declare -x CFLAGS_x32="-mx32"
declare -x CFLAGS_x86="-m32 -mfpmath=sse"
declare -- CHECKCONFIG_DONOTHING=""
declare -x CHOST="x86_64-pc-linux-gnu"
declare -x CHOST_amd64="x86_64-pc-linux-gnu"
declare -x CHOST_x32="x86_64-pc-linux-gnux32"
declare -x CHOST_x86="i686-pc-linux-gnu"
declare -x COLLECTD_PLUGINS=""
declare -- COMMIT="e855f62e6697cf756ad2eed2ed03b8d06ba2019b"
declare -x COMMON_FLAGS="-O2 -pipe"
declare -x CONF_PREFIX="/usr"
declare -x CPPFLAGS=""
declare -x CPU_FLAGS_ARM=""
declare -x CPU_FLAGS_PPC=""
declare -x CPU_FLAGS_X86=""
declare -x CURL_QUIC=""
declare -x CURL_SSL=""
declare -x CXXFLAGS="-O2 -pipe"
declare -x DEFAULT_ABI="amd64"
declare -x DEFINED_PHASES=" compile configure install postinst setup"
declare DEPEND=$'\n\t\n\tpython_single_target_python3_10? (\n\t\t\tdev-lang/python:3.10\n\t\t) python_single_target_python3_11? (\n\t\t\tdev-lang/python:3.11\n\t\t) python_single_target_python3_12? (\n\t\t\tdev-lang/python:3.12\n\t\t) python_single_target_python3_13? (\n\t\t\tdev-lang/python:3.13\n\t\t) \n\tacct-user/tvheadend\n\tvirtual/libiconv\n\tdbus? ( sys-apps/dbus )\n\tdvbcsa? ( media-libs/libdvbcsa )\n\tffmpeg? ( media-video/ffmpeg:=[opus?,vpx?,x264?,x265?] )\n\thdhomerun? ( media-libs/libhdhomerun )\n\tdev-libs/openssl:0=\n\turiparser? ( dev-libs/uriparser )\n\tzeroconf? ( net-dns/avahi )\n\tzlib? ( sys-libs/zlib )\n\n\tdvb? ( sys-kernel/linux-headers )\n\tffmpeg? (\n\t\topus? ( media-libs/opus )\n\t\tvpx? ( media-libs/libvpx )\n\t\tx264? ( media-libs/x264 )\n\t\tx265? ( media-libs/x265 )\n\t)\n '
declare DESCRIPTION="Tvheadend is a TV streaming server and digital video recorder"
declare -x DIROPTIONS="-m0755"
declare -a DOCS=([0]="README.md")
declare -x EAPI="8"
declare -- ECONF_SOURCE="."
declare -x ELIBC="glibc"
declare -x ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
declare -- EPOCHREALTIME="1745736429.655691"
declare -- EPOCHSECONDS="1745736429"
declare -x EPYTHON="python3.12"
declare -x EXEOPTIONS="-m0755"
declare -x FCFLAGS="-O2 -pipe"
declare -x FETCHCOMMAND_SSH="bash -c \"x=\\\${2#ssh://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port= ; exec rsync --rsh=\\\"ssh \\\${port:+-p\\\${port}} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
declare -x FFLAGS="-O2 -pipe"
declare -x FFTOOLS=""
declare -x GCC_SPECS=""
declare -x GDCFLAGS=""
declare -x GNUMAKEFLAGS="--load-average 8 --output-sync=line"
declare -x GPG_VERIFY_GROUP_DROP="nogroup"
declare -x GPG_VERIFY_USER_DROP="nobody"
declare -x GPSD_PROTOCOLS=""
declare -x GRUB_PLATFORMS=""
declare -x GUILE_SINGLE_TARGET=""
declare -x GUILE_TARGETS=""
declare HOMEPAGE="https://tvheadend.org/"
declare IDEPEND=""
declare -x INHERITED=" toolchain-funcs flag-o-matic linux-info multiprocessing python-utils-r1 python-single-r1 systemd"
declare -x INPUT_DEVICES=""
declare -x INSOPTIONS="-m0644"
declare IUSE="dbus debug +ddci dvbcsa +dvb +ffmpeg hdhomerun +imagecache +inotify iptv opus satip systemd +timeshift uriparser vpx x264 x265 xmltv zeroconf zlib python_single_target_python3_10 python_single_target_python3_11 python_single_target_python3_12 python_single_target_python3_13"
declare -x IUSE_EFFECTIVE="abi_x86_64 alpha amd64 amd64-linux arm arm64 arm64-macos dbus ddci debug dvb dvbcsa elibc_Darwin elibc_SunOS elibc_bionic elibc_glibc elibc_mingw elibc_musl ffmpeg hdhomerun hppa imagecache inotify iptv kernel_Darwin kernel_SunOS kernel_linux loong m68k mips opus ppc ppc-macos ppc64 ppc64-linux prefix prefix-guest prefix-stack python_single_target_python3_10 python_single_target_python3_11 python_single_target_python3_12 python_single_target_python3_13 riscv s390 satip sparc systemd timeshift uriparser vpx x264 x265 x64-macos x64-solaris x86 x86-linux xmltv zeroconf zlib"
declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-guest prefix-stack"
declare -x KERNEL="linux"
declare -- KERNEL_DIR="/usr/src/linux"
declare -- KERNEL_MAKEFILE="/usr/src/linux/Makefile"
declare -x KEYWORDS="amd64 arm arm64 x86"
declare -- KV_DIR="/usr/src/linux"
declare -- KV_EXTRA="-gentoo"
declare -- KV_FULL="6.12.21-gentoo"
declare -- KV_LOCAL=""
declare -- KV_MAJOR="6"
declare -- KV_MINOR="12"
declare -- KV_OUT_DIR="/usr/src/linux"
declare -- KV_PATCH="21"
declare -x L10N=""
declare -x LANG="C.UTF8"
declare -x LCD_DEVICES=""
declare -x LC_COLLATE="C"
declare -x LC_MESSAGES="C.utf8"
declare -x LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs"
declare -x LDFLAGS_amd64="-m elf_x86_64"
declare -x LDFLAGS_x32="-m elf32_x86_64"
declare -x LDFLAGS_x86="-m elf_i386"
declare -x LEX="flex"
declare -x LIBDIR_amd64="lib64"
declare -x LIBDIR_x32="libx32"
declare -x LIBDIR_x86="lib"
declare -x LIBOPTIONS="-m0644"
declare -x LIBREOFFICE_EXTENSIONS=""
declare -x LICENSE="GPL-3"
declare -x LINUX_CONFIG_EXISTS_DONE=""
declare -x LLVM_SLOT=""
declare -x LLVM_TARGETS=""
declare -x LUA_SINGLE_TARGET=""
declare -x LUA_TARGETS=""
declare -x MAKEOPTS="-j8"
declare -x MANPAGER="manpager"
declare -x MULTILIB_ABIS="amd64"
declare -x MULTILIB_STRICT_DENY="64-bit.*shared object"
declare -x MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib"
declare -x MULTILIB_STRICT_EXEMPT="(perl5|gcc|binutils|eclipse-3|debug|portage|udev|systemd|clang|python-exec|llvm)"
declare -x NGINX_MODULES_HTTP=""
declare -x NGINX_MODULES_MAIL=""
declare -x NGINX_MODULES_STREAM=""
declare -x OFFICE_IMPLEMENTATION=""
declare -x OPENMPI_FABRICS=""
declare -x OPENMPI_OFED_FEATURES=""
declare -x OPENMPI_RM=""
declare -a PATCHES=([0]="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/files/tvheadend-4.0.9-use_system_queue.patch" [1]="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/files/tvheadend-4.3-hdhomerun.patch" [2]="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/files/tvheadend-4.2.2-dtv_scan_tables.patch" [3]="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/files/tvheadend-4.2.7-python3.patch")
declare -x PATH="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/temp/python3.12/bin:/usr/lib/portage/python3.13/ebuild-helpers/xattr:/usr/lib/portage/python3.13/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/bin"
declare -x PAX_MARKINGS="none"
declare PDEPEND=""
declare -x PERL_FEATURES=""
declare -x PHP_TARGETS=""
declare -x PKG_CONFIG_PATH="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/temp/python3.12/pkgconfig"
declare -x PORTAGE_BZIP2_COMMAND="bzip2"
declare -x PORTAGE_COMPRESSION_COMMAND="zstd -T8"
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/tvheadend-4.3_p20240618/html")
declare -a PORTAGE_DOSTRIP=([0]="/")
declare -a PORTAGE_DOSTRIP_SKIP=()
declare -x PORTAGE_REPO_REVISIONS="{\"gentoo\": \"b5ab367ad15a5140329f0f158af13e1d5efef471\"}"
declare -x POSTGRES_TARGETS=""
declare -x PROFILE_IS_HARDENED="1"
declare -x PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL"
declare -- PROPERTIES=""
declare -x PYTHON="/usr/bin/python3.12"
declare -x PYTHONDONTWRITEBYTECODE="1"
declare -a PYTHON_COMPAT=([0]="python3_10" [1]="python3_11" [2]="python3_12" [3]="python3_13")
declare -- PYTHON_DEPS=$'python_single_target_python3_10? (\n\t\t\tdev-lang/python:3.10\n\t\t) python_single_target_python3_11? (\n\t\t\tdev-lang/python:3.11\n\t\t) python_single_target_python3_12? (\n\t\t\tdev-lang/python:3.12\n\t\t) python_single_target_python3_13? (\n\t\t\tdev-lang/python:3.13\n\t\t) '
declare -- PYTHON_REQUIRED_USE="^^ ( python_single_target_python3_10 python_single_target_python3_11 python_single_target_python3_12 python_single_target_python3_13 )"
declare -x PYTHON_SINGLE_TARGET="python3_12"
declare -- PYTHON_SINGLE_USEDEP="python_single_target_python3_10(-)?,python_single_target_python3_11(-)?,python_single_target_python3_12(-)?,python_single_target_python3_13(-)?"
declare -x PYTHON_TARGETS=""
declare -- PYTHON_USEDEP="%PYTHON_USEDEP-NEEDS-TO-BE-USED-IN-PYTHON_GEN_COND_DEP%"
declare -x QEMU_SOFTMMU_TARGETS=""
declare -x QEMU_USER_TARGETS=""
declare RDEPEND=$'\n\tpython_single_target_python3_10? (\n\t\t\tdev-lang/python:3.10\n\t\t) python_single_target_python3_11? (\n\t\t\tdev-lang/python:3.11\n\t\t) python_single_target_python3_12? (\n\t\t\tdev-lang/python:3.12\n\t\t) python_single_target_python3_13? (\n\t\t\tdev-lang/python:3.13\n\t\t) \n\tacct-user/tvheadend\n\tvirtual/libiconv\n\tdbus? ( sys-apps/dbus )\n\tdvbcsa? ( media-libs/libdvbcsa )\n\tffmpeg? ( media-video/ffmpeg:=[opus?,vpx?,x264?,x265?] )\n\thdhomerun? ( media-libs/libhdhomerun )\n\tdev-libs/openssl:0=\n\turiparser? ( dev-libs/uriparser )\n\tzeroconf? ( net-dns/avahi )\n\tzlib? ( sys-libs/zlib )\n\n\tpython_single_target_python3_10? (\n\t\t\t\t\n\t\tdev-python/requests[python_targets_python3_10(-)]\n\t ) python_single_target_python3_11? (\n\t\t\t\t\n\t\tdev-python/requests[python_targets_python3_11(-)]\n\t ) python_single_target_python3_12? (\n\t\t\t\t\n\t\tdev-python/requests[python_targets_python3_12(-)]\n\t ) python_single_target_python3_13? (\n\t\t\t\t\n\t\tdev-python/requests[python_targets_python3_13(-)]\n\t )\n\tdvb? ( media-tv/dtv-scan-tables )\n\txmltv? ( media-tv/xmltv )\n '
declare REPOSITORY
declare REQUIRED_USE=$'\n\t^^ ( python_single_target_python3_10 python_single_target_python3_11 python_single_target_python3_12 python_single_target_python3_13 )\n\tddci? ( dvb )\n '
declare RESTRICT=""
declare -x RESUMECOMMAND_SSH="bash -c \"x=\\\${2#ssh://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port= ; exec rsync --rsh=\\\"ssh \\\${port:+-p\\\${port}} \\\${3}\\\" -avP \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" rsync \"\${DISTDIR}/\${FILE}\" \"\${URI}\" \"\${PORTAGE_SSH_OPTS}\""
declare -x RUBY_TARGETS=""
declare -x S="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/work/tvheadend-e855f62e6697cf756ad2eed2ed03b8d06ba2019b"
declare -x SANDBOX_DEBUG="0"
declare -x SANDBOX_DENY=""
declare -x SANDBOX_METHOD="any"
declare -x SANDBOX_PREDICT="/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/homedir:/dev/crypto:/var/cache/man:/var/cache/fontconfig"
declare -x SANDBOX_READ="/:/var/tmp/portage"
declare -x SANDBOX_VERBOSE="1"
declare -x SANDBOX_WRITE=":/dev/console:/dev/fd:/dev/full:/dev/null:/dev/ptmx:/dev/pts/:/dev/pty:/dev/shm:/dev/tts:/dev/tty:/dev/vc/:/dev/zero:/proc/self/fd:/tmp/:/usr/lib/cf:/usr/lib/conftest:/usr/lib32/cf:/usr/lib32/conftest:/usr/lib64/cf:/usr/lib64/conftest:/usr/tmp/:/usr/tmp/cf:/usr/tmp/conftest:/var/tmp/:/var/tmp/portage:/var/tmp/portage/media-tv/tvheadend-4.3_p20240618/homedir/.bash_history"
declare -x SANE_BACKENDS=""
declare -x SHELL="/bin/bash"
declare -x SHELL_SETS_TITLE="0"
declare -- SKIP_KERNEL_CHECK=""
declare -x SLOT="0"
declare -i SRANDOM="725629649"
declare SRC_URI="https://github.com/tvheadend/tvheadend/archive/e855f62e6697cf756ad2eed2ed03b8d06ba2019b.tar.gz -> tvheadend-4.3_p20240618.tar.gz"
declare -x SYMLINK_LIB="no"
declare -x TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
declare -x USE="abi_x86_64 amd64 ddci debug dvb elibc_glibc ffmpeg imagecache inotify kernel_linux python_single_target_python3_12 satip timeshift xmltv zlib"
declare -x USERLAND="GNU"
declare -x USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL"
declare -x USE_EXPAND_UNPREFIXED="ARCH"
declare -x USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-linux arm arm64 arm64-macos hppa loong m68k mips ppc ppc64 ppc64-linux ppc-macos riscv s390 sparc x64-macos x64-solaris x86 x86-linux"
declare -x USE_EXPAND_VALUES_ELIBC="bionic Darwin glibc mingw musl SunOS"
declare -x USE_EXPAND_VALUES_KERNEL="Darwin linux SunOS"
declare -x UWSGI_PLUGINS=""
declare -x VIDEO_CARDS=""
declare -x VOICEMAIL_STORAGE=""
declare -x XTABLES_ADDONS=""
declare -- _FLAG_O_MATIC_ECLASS="1"
declare -x _LINUX_CONFIG_EXISTS_DONE="1"
declare -- _LINUX_INFO_ECLASS="1"
declare -- _MULTIPROCESSING_ECLASS="1"
declare -a _PYTHON_ALL_IMPLS=([0]="pypy3" [1]="pypy3_11" [2]="python3_13t" [3]="python3_10" [4]="python3_11" [5]="python3_12" [6]="python3_13")
declare -a _PYTHON_HISTORICAL_IMPLS=([0]="jython2_7" [1]="pypy" [2]="pypy1_8" [3]="pypy1_9" [4]="pypy2_0" [5]="python2_5" [6]="python2_6" [7]="python2_7" [8]="python3_1" [9]="python3_2" [10]="python3_3" [11]="python3_4" [12]="python3_5" [13]="python3_6" [14]="python3_7" [15]="python3_8" [16]="python3_9")
declare -- _PYTHON_SANITY_CHECKED="1"
declare -- _PYTHON_SINGLE_R1_ECLASS="1"
declare -a _PYTHON_SUPPORTED_IMPLS=([0]="python3_10" [1]="python3_11" [2]="python3_12" [3]="python3_13")
declare -a _PYTHON_UNSUPPORTED_IMPLS=([0]="pypy3" [1]="pypy3_11" [2]="python3_13t")
declare -- _PYTHON_UTILS_R1_ECLASS="1"
declare -- _SYSTEMD_ECLASS="1"
declare -- _TOOLCHAIN_FUNCS_ECLASS="1"
declare -x __E_DESTTREE="/usr"
declare -x __E_DOCDESTTREE=""
declare -x __E_EXEDESTTREE=""
declare -x __E_INSDESTTREE=""
declare -x ac_cv_c_undeclared_builtin_options="none needed"
declare -x enable_year2038="no"
declare -- get_version_warning_done=""
declare -x gl_cv_compiler_check_decl_option="-Werror=implicit-function-declaration"
declare -x gl_cv_func_getcwd_path_max="yes"
_clang_fullversion () 
{ 
    local ver="$1";
    shift;
    set -- $($(tc-getCC "$@") -E -P - <<< "__clang_major__ __clang_minor__ __clang_patchlevel__");
    eval echo "${ver}"
}
_eapply_patch () 
{ 
    local f=${1};
    local prefix=${2};
    ebegin "${prefix:-Applying }${f##*/}";
    local all_opts=(-p1 -f -g0 --no-backup-if-mismatch "${patch_options[@]}");
    if ${patch_cmd} "${all_opts[@]}" --dry-run -s -F0 < "${f}" &> /dev/null; then
        all_opts+=(-s -F0);
    fi;
    ${patch_cmd} "${all_opts[@]}" < "${f}";
    failed=${?};
    if ! eend "${failed}"; then
        __helpers_die "patch -p1 ${patch_options[*]} failed with ${f}";
    fi
}
_filter-hardened () 
{ 
    local f;
    for f in "$@";
    do
        case "${f}" in 
            -fPIC | -fpic | -fPIE | -fpie | -Wl,pie | -pie)
                if ! gcc-specs-pie && ! tc-enables-pie; then
                    continue;
                fi;
                if ! is-flagq -nopie && ! is-flagq -no-pie; then
                    if test-flags -nopie > /dev/null; then
                        append-flags -nopie;
                    else
                        append-flags -no-pie;
                    fi;
                fi
            ;;
            -fstack-protector | -fstack-protector-strong)
                if ! gcc-specs-ssp && ! tc-enables-ssp && ! tc-enables-ssp-strong; then
                    continue;
                fi;
                is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector)
            ;;
            -fstack-protector-all)
                if ! gcc-specs-ssp-to-all && ! tc-enables-ssp-all; then
                    continue;
                fi;
                is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector)
            ;;
            -fno-strict-overflow)
                gcc-specs-nostrict || continue;
                is-flagq -fstrict-overflow || append-flags $(test-flags -fstrict-overflow)
            ;;
            -D_GLIBCXX_ASSERTIONS | -D_LIBCPP_ENABLE_ASSERTIONS | -D_LIBCPP_ENABLE_HARDENED_MODE)
                tc-enables-cxx-assertions || continue;
                append-cppflags -U_GLIBCXX_ASSERTIONS -U_LIBCPP_ENABLE_ASSERTIONS -U_LIBCPP_ENABLE_HARDENED_MODE
            ;;
            -D_FORTIFY_SOURCE=*)
                tc-enables-fortify-source || continue;
                append-cppflags -U_FORTIFY_SOURCE
            ;;
        esac;
    done
}
_filter-var () 
{ 
    local f x var=$1 new=();
    shift;
    for f in ${!var};
    do
        for x in "$@";
        do
            [[ ${f} == ${x} ]] && continue 2;
        done;
        new+=("${f}");
    done;
    export ${var}="${new[*]}"
}
_gcc-install-dir () 
{ 
    echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null | awk '$1=="install:" {print $2}')"
}
_gcc-specs-directive_raw () 
{ 
    local cc=$(tc-getCC);
    local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}');
    ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 'BEGIN	{ pspec=""; spec=""; outside=1 }
$1=="*"directive":"  { pspec=spec; spec=""; outside=0; next }
	outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
	spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
	{ spec=spec $0 }
END	{ print spec }';
    return 0
}
_gcc-specs-exists () 
{ 
    [[ -f $(_gcc-install-dir)/$1 ]]
}
_gcc_fullversion () 
{ 
    local ver="$1";
    shift;
    set -- $($(tc-getCC "$@") -E -P - <<< "__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__");
    eval echo "${ver}"
}
_get_all_makeopts () 
{ 
    echo "${MAKEOPTS} ${GNUMAKEFLAGS} ${MAKEFLAGS}"
}
_is_flagq () 
{ 
    local x var="$1[*]";
    for x in ${!var};
    do
        [[ ${x} == $2 ]] && return 0;
    done;
    return 1
}
_python_check_EPYTHON () 
{ 
    if [[ -z ${EPYTHON} ]]; then
        die "EPYTHON unset, invalid call context";
    fi
}
_python_check_locale_sanity () 
{ 
    local -x LC_ALL=${1};
    local IFS=;
    local lc=({a..z});
    local uc=({A..Z});
    local input="${lc[*]}${uc[*]}";
    local output=$(tr '[:lower:][:upper:]' '[:upper:][:lower:]' <<< "${input}");
    [[ ${output} == "${uc[*]}${lc[*]}" ]]
}
_python_check_occluded_packages () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -z ${BUILD_DIR} || ! -d ${BUILD_DIR}/install ]] && return;
    local sitedir="${BUILD_DIR}/install$(python_get_sitedir)";
    [[ ${sitedir} -ef . ]] && return;
    local f fn diff l;
    for f in "${sitedir}"/*/;
    do
        f=${f%/};
        fn=${f##*/};
        [[ ${fn} == *.dist-info || ${fn} == *.egg-info ]] && continue;
        if [[ -d ${fn} ]]; then
            diff=$(comm -1 -3 <(find "${fn}" -type f -not -path '*/__pycache__/*' | sort
assert) <(cd "${sitedir}" && find "${fn}" -type f -not -path '*/__pycache__/*' | sort
assert));
            if [[ -n ${diff} ]]; then
                eqawarn "QA Notice: The directory ${fn} occludes package installed for ${EPYTHON}.";
                eqawarn "The installed package includes additional files:";
                eqawarn;
                while IFS= read -r l; do
                    eqawarn "    ${l}";
                done <<< "${diff}";
                eqawarn;
                if [[ ! -n ${_PYTHON_WARNED_OCCLUDED_PACKAGES} ]]; then
                    eqawarn "For more information on occluded packages, please see:";
                    eqawarn "https://projects.gentoo.org/python/guide/test.html#importerrors-for-c-extensions";
                    _PYTHON_WARNED_OCCLUDED_PACKAGES=1;
                fi;
            fi;
        fi;
    done
}
_python_export () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl var;
    case "${1}" in 
        python* | jython* | pypy | pypy3*)
            impl=${1/_/.};
            shift
        ;;
        *)
            impl=${EPYTHON};
            if [[ -z ${impl} ]]; then
                die "_python_export called without a python implementation and EPYTHON is unset";
            fi
        ;;
    esac;
    debug-print "${FUNCNAME}: implementation: ${impl}";
    for var in "$@";
    do
        case "${var}" in 
            EPYTHON)
                export EPYTHON=${impl};
                debug-print "${FUNCNAME}: EPYTHON = ${EPYTHON}"
            ;;
            PYTHON)
                export PYTHON=${BROOT-${EPREFIX}}/usr/bin/${impl};
                debug-print "${FUNCNAME}: PYTHON = ${PYTHON}"
            ;;
            PYTHON_STDLIB)
                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
                PYTHON_STDLIB=$("${PYTHON}" - "${EPREFIX}/usr" <<-EOF || 
import sys, sysconfig
print(sysconfig.get_path("stdlib", vars={"installed_base": sys.argv[1]}))
EOF
 die);
                export PYTHON_STDLIB;
                debug-print "${FUNCNAME}: PYTHON_STDLIB = ${PYTHON_STDLIB}"
            ;;
            PYTHON_SITEDIR)
                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
                PYTHON_SITEDIR=$("${PYTHON}" - "${EPREFIX}/usr" <<-EOF || 
import sys, sysconfig
print(sysconfig.get_path("purelib", vars={"base": sys.argv[1]}))
EOF
 die);
                export PYTHON_SITEDIR;
                debug-print "${FUNCNAME}: PYTHON_SITEDIR = ${PYTHON_SITEDIR}"
            ;;
            PYTHON_INCLUDEDIR)
                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
                PYTHON_INCLUDEDIR=$("${PYTHON}" - "${ESYSROOT}/usr" <<-EOF || 
import sys, sysconfig
print(sysconfig.get_path("platinclude", vars={"installed_platbase": sys.argv[1]}))
EOF
 die);
                export PYTHON_INCLUDEDIR;
                debug-print "${FUNCNAME}: PYTHON_INCLUDEDIR = ${PYTHON_INCLUDEDIR}";
                if [[ ! -d ${PYTHON_INCLUDEDIR} ]]; then
                    die "${impl} does not install any header files!";
                fi
            ;;
            PYTHON_LIBPATH)
                [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
                PYTHON_LIBPATH=$("${PYTHON}" - <<-EOF || 
import os.path, sysconfig
print(
os.path.join(
sysconfig.get_config_var("LIBDIR"),
sysconfig.get_config_var("LDLIBRARY"))
if sysconfig.get_config_var("LDLIBRARY")
else "")
EOF
 die);
                export PYTHON_LIBPATH;
                debug-print "${FUNCNAME}: PYTHON_LIBPATH = ${PYTHON_LIBPATH}";
                if [[ ! -n ${PYTHON_LIBPATH} ]]; then
                    die "${impl} lacks a (usable) dynamic library";
                fi
            ;;
            PYTHON_CFLAGS)
                local val;
                case "${impl}" in 
                    python*)
                        val=$($(tc-getPKG_CONFIG) --cflags ${impl/n/n-}) || die
                    ;;
                    *)
                        die "${impl}: obtaining ${var} not supported"
                    ;;
                esac;
                export PYTHON_CFLAGS=${val};
                debug-print "${FUNCNAME}: PYTHON_CFLAGS = ${PYTHON_CFLAGS}"
            ;;
            PYTHON_LIBS)
                local val;
                case "${impl}" in 
                    python*)
                        val=$($(tc-getPKG_CONFIG) --libs ${impl/n/n-}-embed) || die
                    ;;
                    *)
                        die "${impl}: obtaining ${var} not supported"
                    ;;
                esac;
                export PYTHON_LIBS=${val};
                debug-print "${FUNCNAME}: PYTHON_LIBS = ${PYTHON_LIBS}"
            ;;
            PYTHON_CONFIG)
                local flags val;
                case "${impl}" in 
                    python*)
                        [[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it";
                        flags=$("${PYTHON}" - <<-EOF || 
import sysconfig
print(sysconfig.get_config_var("ABIFLAGS")
or "")
EOF
 die);
                        val=${PYTHON%t}${flags}-config
                    ;;
                    *)
                        die "${impl}: obtaining ${var} not supported"
                    ;;
                esac;
                export PYTHON_CONFIG=${val};
                debug-print "${FUNCNAME}: PYTHON_CONFIG = ${PYTHON_CONFIG}"
            ;;
            PYTHON_PKG_DEP)
                local d;
                case ${impl} in 
                    python*)
                        PYTHON_PKG_DEP="dev-lang/python:${impl#python}${PYTHON_REQ_USE:+[${PYTHON_REQ_USE}]}"
                    ;;
                    pypy3)
                        PYTHON_PKG_DEP="dev-lang/pypy:3.10=[symlink${PYTHON_REQ_USE:+,${PYTHON_REQ_USE}}]"
                    ;;
                    pypy3.*)
                        PYTHON_PKG_DEP="dev-lang/pypy:${impl#pypy}=${PYTHON_REQ_USE:+[${PYTHON_REQ_USE}]}"
                    ;;
                    *)
                        die "Invalid implementation: ${impl}"
                    ;;
                esac;
                export PYTHON_PKG_DEP;
                debug-print "${FUNCNAME}: PYTHON_PKG_DEP = ${PYTHON_PKG_DEP}"
            ;;
            PYTHON_SCRIPTDIR)
                local dir;
                export PYTHON_SCRIPTDIR=${EPREFIX}/usr/lib/python-exec/${impl};
                debug-print "${FUNCNAME}: PYTHON_SCRIPTDIR = ${PYTHON_SCRIPTDIR}"
            ;;
            *)
                die "_python_export: unknown variable ${var}"
            ;;
        esac;
    done
}
_python_impl_matches () 
{ 
    [[ ${#} -ge 1 ]] || die "${FUNCNAME}: takes at least 1 parameter";
    [[ ${#} -eq 1 ]] && return 0;
    local impl=${1/./_} pattern;
    shift;
    for pattern in "$@";
    do
        case ${pattern} in 
            -2 | python2* | pypy)
                if [[ ${EAPI} != 7 ]]; then
                    eerror;
                    eerror "Python 2 is no longer supported in Gentoo, please remove Python 2";
                    eerror "${FUNCNAME[1]} calls.";
                    die "Passing ${pattern} to ${FUNCNAME[1]} is banned in EAPI ${EAPI}";
                fi
            ;;
            -3)
                if [[ ${EAPI} != 7 ]]; then
                    eerror;
                    eerror "Python 2 is no longer supported in Gentoo, please remove Python 2";
                    eerror "${FUNCNAME[1]} calls.";
                    die "Passing ${pattern} to ${FUNCNAME[1]} is banned in EAPI ${EAPI}";
                fi;
                return 0
            ;;
            3.10)
                [[ ${impl} == python${pattern/./_} || ${impl} == pypy3 ]] && return 0
            ;;
            3.8 | 3.9 | 3.1[1-3])
                [[ ${impl%t} == python${pattern/./_} || ${impl} == pypy${pattern/./_} ]] && return 0
            ;;
            *)
                [[ ${impl} == ${pattern/./_} ]] && return 0
            ;;
        esac;
    done;
    return 1
}
_python_run_check_deps () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl=${1};
    einfo "Checking whether ${impl} is suitable ...";
    local PYTHON_PKG_DEP;
    _python_export "${impl}" PYTHON_PKG_DEP;
    ebegin "  ${PYTHON_PKG_DEP}";
    has_version -b "${PYTHON_PKG_DEP}";
    eend ${?} || return 1;
    declare -f python_check_deps > /dev/null || return 0;
    local PYTHON_USEDEP="python_targets_${impl}(-)";
    local PYTHON_SINGLE_USEDEP="python_single_target_${impl}(-)";
    ebegin "  python_check_deps";
    python_check_deps;
    eend ${?}
}
_python_sanity_checks () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${_PYTHON_SANITY_CHECKED} ]] && return;
    if [[ -v PYTHONPATH ]]; then
        local x paths=();
        mapfile -d ':' -t paths <<< ${PYTHONPATH};
        for x in "${paths[@]}";
        do
            if [[ ${x} != /* ]]; then
                eerror "Relative path found in PYTHONPATH:";
                eerror;
                eerror "  PYTHONPATH=${PYTHONPATH@Q}";
                eerror;
                eerror "This is guaranteed to cause random breakage.  Please make sure that";
                eerror "your PYTHONPATH contains absolute paths only (and only if necessary).";
                eerror "Note that empty values (including ':' at either end and an empty";
                eerror "PYTHONPATH) count as the current directory.  If no PYTHONPATH";
                eerror "is intended, it needs to be unset instead.";
                die "Relative paths in PYTHONPATH are forbidden: ${x@Q}";
            fi;
        done;
        elog "PYTHONPATH=${PYTHONPATH@Q}";
    fi;
    _PYTHON_SANITY_CHECKED=1
}
_python_set_impls () 
{ 
    local i;
    if [[ ${BASH_VERSINFO[0]} -ge 5 ]]; then
        [[ ${PYTHON_COMPAT@a} == *a* ]];
    else
        [[ $(declare -p PYTHON_COMPAT) == "declare -a"* ]];
    fi;
    if [[ ${?} -ne 0 ]]; then
        if ! declare -p PYTHON_COMPAT &> /dev/null; then
            die 'PYTHON_COMPAT not declared.';
        else
            die 'PYTHON_COMPAT must be an array.';
        fi;
    fi;
    local obsolete=();
    if [[ ! -n ${PYTHON_COMPAT_NO_STRICT} ]]; then
        for i in "${PYTHON_COMPAT[@]}";
        do
            case ${i} in 
                pypy3 | pypy3_11 | python3_9 | python3_1[0-3] | python3_13t)

                ;;
                jython2_7 | pypy | pypy1_[89] | pypy2_0 | python2_[5-7] | python3_[1-9])
                    obsolete+=("${i}")
                ;;
                *)
                    if has "${i}" "${_PYTHON_ALL_IMPLS[@]}" "${_PYTHON_HISTORICAL_IMPLS[@]}"; then
                        die "Mis-synced patterns in _python_set_impls: missing ${i}";
                    else
                        die "Invalid implementation in PYTHON_COMPAT: ${i}";
                    fi
                ;;
            esac;
        done;
    fi;
    local supp=() unsupp=();
    for i in "${_PYTHON_ALL_IMPLS[@]}";
    do
        if has "${i}" "${PYTHON_COMPAT[@]}"; then
            supp+=("${i}");
        else
            unsupp+=("${i}");
        fi;
    done;
    if [[ ! -n ${supp[@]} ]]; then
        die "No supported implementation in PYTHON_COMPAT.";
    fi;
    if [[ -n ${_PYTHON_SUPPORTED_IMPLS[@]} ]]; then
        if [[ ${_PYTHON_SUPPORTED_IMPLS[@]} != ${supp[@]} ]]; then
            eerror "Supported impls (PYTHON_COMPAT) changed between inherits!";
            eerror "Before: ${_PYTHON_SUPPORTED_IMPLS[*]}";
            eerror "Now   : ${supp[*]}";
            die "_PYTHON_SUPPORTED_IMPLS integrity check failed";
        fi;
        if [[ ${_PYTHON_UNSUPPORTED_IMPLS[@]} != ${unsupp[@]} ]]; then
            eerror "Unsupported impls changed between inherits!";
            eerror "Before: ${_PYTHON_UNSUPPORTED_IMPLS[*]}";
            eerror "Now   : ${unsupp[*]}";
            die "_PYTHON_UNSUPPORTED_IMPLS integrity check failed";
        fi;
    else
        _PYTHON_SUPPORTED_IMPLS=("${supp[@]}");
        _PYTHON_UNSUPPORTED_IMPLS=("${unsupp[@]}");
        readonly _PYTHON_SUPPORTED_IMPLS _PYTHON_UNSUPPORTED_IMPLS;
    fi
}
_python_verify_patterns () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl pattern;
    for pattern in "$@";
    do
        case ${pattern} in 
            -[23] | 3.[89] | 3.1[0-3])
                continue
            ;;
        esac;
        for impl in "${_PYTHON_ALL_IMPLS[@]}" "${_PYTHON_HISTORICAL_IMPLS[@]}";
        do
            [[ ${impl} == ${pattern/./_} ]] && continue 2;
        done;
        die "Invalid implementation pattern: ${pattern}";
    done
}
_python_wrapper_setup () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local workdir=${1:-${T}/${EPYTHON}};
    local impl=${2:-${EPYTHON}};
    [[ -n ${workdir} ]] || die "${FUNCNAME}: no workdir specified.";
    [[ -n ${impl} ]] || die "${FUNCNAME}: no impl nor EPYTHON specified.";
    if [[ ! -x ${workdir}/bin/python ]]; then
        mkdir -p "${workdir}"/{bin,pkgconfig} || die;
        rm -f "${workdir}"/bin/python{,2,3}{,-config} || die;
        rm -f "${workdir}"/bin/2to3 || die;
        rm -f "${workdir}"/pkgconfig/python{2,3}{,-embed}.pc || die;
        local EPYTHON PYTHON;
        _python_export "${impl}" EPYTHON PYTHON;
        cat > "${workdir}/bin/python" <<-_EOF_ || 
#!/bin/sh
exec "${PYTHON}" "\${@}"
_EOF_
 die
        cp "${workdir}/bin/python" "${workdir}/bin/python3" || die;
        chmod +x "${workdir}/bin/python" "${workdir}/bin/python3" || die;
        local nonsupp=(python2 python2-config);
        if [[ ${EPYTHON} == python* ]]; then
            cat > "${workdir}/bin/python-config" <<-_EOF_ || 
#!/bin/sh
exec "${PYTHON}-config" "\${@}"
_EOF_
 die
            cp "${workdir}/bin/python-config" "${workdir}/bin/python3-config" || die;
            chmod +x "${workdir}/bin/python-config" "${workdir}/bin/python3-config" || die;
            ln -s "${PYTHON/python/2to3-}" "${workdir}"/bin/2to3 || die;
            ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${EPYTHON/n/n-}.pc "${workdir}"/pkgconfig/python3.pc || die;
            ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${EPYTHON/n/n-}-embed.pc "${workdir}"/pkgconfig/python3-embed.pc || die;
        else
            nonsupp+=(2to3 python-config python3-config);
        fi;
        local x;
        for x in "${nonsupp[@]}";
        do
            cat > "${workdir}"/bin/${x} <<-_EOF_ || 
#!/bin/sh
echo "${ECLASS}: ${FUNCNAME}: ${x} is not supported by ${EPYTHON} (PYTHON_COMPAT)" >&2
exit 127
_EOF_
 die
            chmod +x "${workdir}"/bin/${x} || die;
        done;
    fi;
    if [[ ${PATH##:*} != ${workdir}/bin ]]; then
        PATH=${workdir}/bin${PATH:+:${PATH}};
    fi;
    if [[ ${PKG_CONFIG_PATH##:*} != ${workdir}/pkgconfig ]]; then
        PKG_CONFIG_PATH=${workdir}/pkgconfig${PKG_CONFIG_PATH:+:${PKG_CONFIG_PATH}};
    fi;
    export PATH PKG_CONFIG_PATH
}
_setup-allowed-flags () 
{ 
    ALLOWED_FLAGS=(-pipe -O '-O[123szg]' '-mcpu=*' '-march=*' '-mtune=*' '-mfpmath=*' -flto '-flto=*' -fno-lto '-fstack-protector*' -fstack-clash-protection '-fcf-protection=*' -fbounds-check -fbounds-checking -fno-PIE -fno-pie -nopie -no-pie -fharden-compares -fharden-conditional-branches -fharden-control-flow-redundancy -fno-harden-control-flow-redundancy -fhardcfr-skip-leaf -fhardcfr-check-exceptions -fhardcfr-check-returning-calls '-fhardcfr-check-noreturn-calls=*' '-mindirect-branch=*' -mindirect-branch-register '-mfunction-return=*' -mretpoline '-mharden-sls=*' '-mbranch-protection=*' -fno-unit-at-a-time -fno-strict-overflow '-fsanitize*' '-fno-sanitize*' -g '-g[0-9]' -ggdb '-ggdb[0-9]' -gdwarf '-gdwarf-*' -gstabs -gstabs+ -gz '-gz=*' -glldb '-fdebug-default-version=*' -fno-diagnostics-color '-fmessage-length=*' -fno-ident -fpermissive -frecord-gcc-switches -frecord-command-line '-fdiagnostics*' '-fplugin*' '-W*' -w '-[DUILR]*' '-Wl,*' '-fuse-ld=*');
    ALLOWED_FLAGS+=('-fno-stack-protector*' '-fabi-version=*' -fno-strict-aliasing -fno-bounds-check -fno-bounds-checking -fstrict-overflow -fno-omit-frame-pointer '-fno-builtin*' -mno-omit-leaf-frame-pointer);
    ALLOWED_FLAGS+=('-mregparm=*' -mno-app-regs -mapp-regs -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4 -mno-sse4.1 -mno-sse4.2 -mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow -mno-popcnt -mno-abm -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt -msoft-float -mno-soft-float -mhard-float -mno-hard-float '-mfpu=*' -mieee -mieee-with-inexact '-mschedule=*' -mfloat-gprs -mspe -mno-spe -mtls-direct-seg-refs -mno-tls-direct-seg-refs -mflat -mno-flat -mno-faster-structs -mfaster-structs -m32 -m64 -mx32 '-mabi=*' -mlittle-endian -mbig-endian -EL -EB -fPIC -mlive-g0 '-mcmodel=*' -mstack-bias -mno-stack-bias -msecure-plt '-m*-toc' '-mfloat-abi=*' '-mtls-dialect=*' -mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400 -mfix-r10000 -mno-fix-r10000 '-mr10k-cache-barrier=*' -mthumb -marm -ffixed-x18 -mstrict-align -mvector-strict-align -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 -mevex512 -mno-evex512);
    ALLOWED_FLAGS+=(-mstackrealign '-mpreferred-stack-boundary=*' '-mincoming-stack-boundary=*');
    ALLOWED_FLAGS+=('--unwindlib=*' '--rtlib=*' '--stdlib=*')
}
_systemd_get_dir () 
{ 
    [[ ${#} -eq 2 ]] || die "Usage: ${FUNCNAME} <variable-name> <fallback-directory>";
    local variable=${1} fallback=${2} d;
    local -x PKG_CONFIG_FDO_SYSROOT_RULES=1;
    if $(tc-getPKG_CONFIG) --exists systemd; then
        d=$($(tc-getPKG_CONFIG) --variable="${variable}" systemd) || die;
    else
        d="${EPREFIX}${fallback}";
    fi;
    echo "${d}"
}
_systemd_unprefix () 
{ 
    local d=$("${@}");
    echo "${d#"${EPREFIX}"}"
}
_tc-getPROG () 
{ 
    local tuple=$1;
    local v var vars=$2;
    local prog=($3);
    var=${vars%% *};
    for v in ${vars};
    do
        if [[ -n ${!v} ]]; then
            export ${var}="${!v}";
            echo "${!v}";
            return 0;
        fi;
    done;
    local search=;
    [[ -n $4 ]] && search=$(type -p $4-${prog[0]});
    [[ -z ${search} && -n ${!tuple} ]] && search=$(type -p ${!tuple}-${prog[0]});
    [[ -n ${search} ]] && prog[0]=${search##*/};
    export ${var}="${prog[*]}";
    echo "${!var}"
}
_tc-has-openmp () 
{ 
    local base="${T}/test-tc-openmp";
    cat <<-EOF > "${base}.c"
#include <omp.h>
int main(void) {
int nthreads, tid, ret = 0;
#pragma omp parallel private(nthreads, tid)
{
tid = omp_get_thread_num();
nthreads = omp_get_num_threads();
ret += tid + nthreads;
}
return ret;
}
EOF

    $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null;
    local ret=$?;
    rm -f "${base}"*;
    return ${ret}
}
_test-flag-PROG () 
{ 
    local comp=$1;
    local lang=$2;
    shift 2;
    if [[ -z ${comp} ]]; then
        return 1;
    fi;
    if [[ -z $1 ]]; then
        return 1;
    fi;
    comp=($(tc-get${comp}));
    if ! type -p ${comp[0]} > /dev/null; then
        return 1;
    fi;
    local in_src in_ext cmdline_extra=();
    case "${lang}" in 
        c)
            in_ext='c';
            in_src='int main(void) { return 0; }';
            cmdline_extra+=(-xc -c)
        ;;
        c++)
            in_ext='cc';
            in_src='int main(void) { return 0; }';
            cmdline_extra+=(-xc++ -c)
        ;;
        f77)
            in_ext='f';
            in_src='      end';
            cmdline_extra+=(-xf77 -c)
        ;;
        f95)
            in_ext='f90';
            in_src='end';
            cmdline_extra+=(-xf95 -c)
        ;;
        c+ld)
            in_ext='c';
            in_src='int main(void) { return 0; }';
            if is-ldflagq -fuse-ld=*; then
                fuse_ld_value=$(get-flag -fuse-ld=*);
                cmdline_extra+=(${fuse_ld_value});
            fi;
            cmdline_extra+=(-xc)
        ;;
    esac;
    local test_in=${T}/test-flag.${in_ext};
    local test_out=${T}/test-flag.exe;
    printf "%s\n" "${in_src}" > "${test_in}" || die "Failed to create '${test_in}'";
    local cmdline=("${comp[@]}" -Werror "$@" "${cmdline_extra[@]}" "${test_in}" -o "${test_out}");
    "${cmdline[@]}" &> /dev/null
}
_test-flags-PROG () 
{ 
    local comp=$1;
    local flags=();
    local x;
    shift;
    [[ -z ${comp} ]] && return 1;
    while (( $# )); do
        case "$1" in 
            --param | -B)
                if test-flag-${comp} "$1" "$2"; then
                    flags+=("$1" "$2");
                fi;
                shift 2
            ;;
            *)
                if test-flag-${comp} "$1"; then
                    flags+=("$1");
                fi;
                shift 1
            ;;
        esac;
    done;
    echo "${flags[*]}";
    [[ ${#flags[@]} -gt 0 ]]
}
all-flag-vars () 
{ 
    echo {ADA,C,CPP,CXX,CCAS,F,FC,GDC,LD}FLAGS
}
append-atomic-flags () 
{ 
    test-flags-CCLD "-latomic" &> /dev/null || return;
    append-libs "-Wl,--push-state,--as-needed,-latomic,--pop-state"
}
append-cflags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    export CFLAGS+=" $*";
    return 0
}
append-cppflags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    export CPPFLAGS+=" $*";
    return 0
}
append-cxxflags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    export CXXFLAGS+=" $*";
    return 0
}
append-fflags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    export FFLAGS+=" $*";
    export FCFLAGS+=" $*";
    return 0
}
append-flags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    case " $* " in 
        *' '-[DIU]*)
            eqawarn 'Please use append-cppflags for preprocessor flags'
        ;;
        *' '-L* | *' '-Wl,*)
            eqawarn 'Please use append-ldflags for linker flags'
        ;;
    esac;
    append-cflags "$@";
    append-cxxflags "$@";
    append-fflags "$@";
    return 0
}
append-ldflags () 
{ 
    [[ $# -eq 0 ]] && return 0;
    local flag;
    for flag in "$@";
    do
        [[ ${flag} == -l* ]] && eqawarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS";
    done;
    export LDFLAGS="${LDFLAGS} $*";
    return 0
}
append-lfs-flags () 
{ 
    [[ $# -ne 0 ]] && die "append-lfs-flags takes no arguments";
    append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
}
append-libs () 
{ 
    [[ $# -eq 0 ]] && return 0;
    local flag;
    for flag in "$@";
    do
        if [[ -z "${flag// }" ]]; then
            eqawarn "Appending an empty argument to LIBS is invalid! Skipping.";
            continue;
        fi;
        case $flag in 
            -[lL]*)
                export LIBS="${LIBS} ${flag}"
            ;;
            -*)
                eqawarn "Appending non-library to LIBS (${flag}); Other linker flags should be passed via LDFLAGS";
                export LIBS="${LIBS} ${flag}"
            ;;
            *)
                export LIBS="${LIBS} -l${flag}"
            ;;
        esac;
    done;
    return 0
}
build_sphinx () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${#} -eq 1 ]] || die "${FUNCNAME} takes 1 arg: <directory>";
    local dir=${1};
    sed -i -e 's:^intersphinx_mapping:disabled_&:' "${dir}"/conf.py || die;
    local command=("${EPYTHON}" -m sphinx.cmd.build);
    if ! "${EPYTHON}" -c "import sphinx.cmd.build" 2> /dev/null; then
        command=(sphinx-build);
    fi;
    command+=(-b html -d "${dir}"/_build/doctrees "${dir}" "${dir}"/_build/html);
    echo "${command[@]}" 1>&2;
    "${command[@]}" || die;
    HTML_DOCS+=("${dir}/_build/html/.")
}
check_extra_config () 
{ 
    use kernel_linux || return;
    local config negate die error reworkmodulenames;
    local soft_errors_count=0 hard_errors_count=0 config_required=0;
    local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}";
    linux-info_get_any_version;
    for config in ${CONFIG_CHECK};
    do
        if [[ "${config:0:1}" != "~" ]]; then
            config_required=1;
            break;
        fi;
    done;
    if [[ ${config_required} == 0 ]]; then
        if ! linux_config_exists; then
            ewarn "Unable to check for the following kernel config options due";
            ewarn "to absence of any configured kernel sources or compiled";
            ewarn "config:";
            for config in ${CONFIG_CHECK};
            do
                config=${config#\~};
                config=${config#\!};
                local_error="ERROR_${config}";
                msg="${!local_error}";
                if [[ -z ${msg} ]]; then
                    local_error="WARNING_${config}";
                    msg="${!local_error}";
                fi;
                ewarn " - ${config}${msg:+ - }${msg}";
            done;
            ewarn "You're on your own to make sure they are set if needed.";
            export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}";
            return 0;
        fi;
    else
        if ! linux_config_exists; then
            qeerror "Could not find a neither a usable .config in the kernel source directory";
            qeerror "nor a /proc/config.gz file,";
            qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources.";
            qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that";
            qeerror "it points to the necessary object directory so that it might find .config";
            qeerror "or have a properly configured kernel to produce a config.gz file. (CONFIG_IKCONFIG).";
            die "Kernel not configured; no .config found in ${KV_OUT_DIR} or /proc/config.gz found";
        fi;
    fi;
    ebegin "Checking for suitable kernel configuration options";
    for config in ${CONFIG_CHECK};
    do
        die=1;
        error=0;
        negate=0;
        reworkmodulenames=0;
        if [[ ${config:0:1} == "~" ]]; then
            die=0;
            config=${config:1};
        else
            if [[ ${config:0:1} == "@" ]]; then
                die=0;
                reworkmodulenames=1;
                config=${config:1};
            fi;
        fi;
        if [[ ${config:0:1} == "!" ]]; then
            negate=1;
            config=${config:1};
        fi;
        if [[ ${negate} == 1 ]]; then
            linux_chkconfig_present ${config} && error=2;
        else
            if [[ ${reworkmodulenames} == 1 ]]; then
                local temp_config="${config//*:}" i n;
                config="${config//:*}";
                if linux_chkconfig_present ${config}; then
                    for i in ${MODULE_NAMES};
                    do
                        n="${i//${temp_config}}";
                        [[ -z ${n//\(*} ]] && MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}";
                    done;
                    error=2;
                fi;
            else
                linux_chkconfig_present ${config} || error=1;
            fi;
        fi;
        if [[ ${error} -gt 0 ]]; then
            local report_func="eerror" local_error;
            local_error="ERROR_${config}";
            local_error="${!local_error}";
            if [[ -z "${local_error}" ]]; then
                local_error="${config}_ERROR";
                local_error="${!local_error}";
            fi;
            if [[ ${die} == 0 && -z "${local_error}" ]]; then
                local_error="WARNING_${config}";
                local_error="${!local_error}";
                if [[ -n "${local_error}" ]]; then
                    report_func="ewarn";
                fi;
            fi;
            if [[ -z "${local_error}" ]]; then
                [[ ${error} == 1 ]] && local_error="is not set when it should be." || local_error="should not be set. But it is.";
                local_error="CONFIG_${config}:\t ${local_error}";
            fi;
            if [[ ${die} == 0 ]]; then
                ${report_func} "  ${local_error}";
                soft_errors_count=$[soft_errors_count + 1];
            else
                ${report_func} "  ${local_error}";
                hard_errors_count=$[hard_errors_count + 1];
            fi;
        fi;
    done;
    if [[ ${hard_errors_count} -gt 0 ]]; then
        eend 1;
        eerror "Please check to make sure these options are set correctly.";
        eerror "Failure to do so may cause unexpected problems.";
        eerror "Once you have satisfied these options, please try merging";
        eerror "this package again.";
        export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}";
        die "Incorrect kernel configuration options";
    else
        if [[ ${soft_errors_count} -gt 0 ]]; then
            eend 1;
            ewarn "Please check to make sure these options are set correctly.";
            ewarn "Failure to do so may cause unexpected problems.";
        else
            eend 0;
        fi;
    fi;
    export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
}
check_kernel_built () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    require_configured_kernel;
    local versionh_path;
    if kernel_is -ge 3 7; then
        versionh_path="include/generated/uapi/linux/version.h";
    else
        versionh_path="include/linux/version.h";
    fi;
    if [[ ! -f "${KV_OUT_DIR}/${versionh_path}" ]]; then
        eerror "These sources have not yet been prepared.";
        eerror "We cannot build against an unprepared tree.";
        eerror "To resolve this, please type the following:";
        eerror;
        eerror "# cd ${KV_DIR}";
        eerror "# make oldconfig";
        eerror "# make modules_prepare";
        eerror;
        eerror "Then please try merging this module again.";
        die "Kernel sources need compiling first";
    fi
}
check_modules_supported () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    require_configured_kernel;
    if ! linux_chkconfig_builtin "MODULES"; then
        eerror "These sources do not support loading external modules.";
        eerror "to be able to use this module please enable \"Loadable modules support\"";
        eerror "in your kernel, recompile and then try merging this module again.";
        die "No support for external modules in ${KV_FULL} config";
    fi
}
check_zlibinflate () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    require_configured_kernel;
    local INFLATE;
    local DEFLATE;
    einfo "Determining the usability of ZLIB_INFLATE support in your kernel";
    ebegin "checking ZLIB_INFLATE";
    linux_chkconfig_builtin CONFIG_ZLIB_INFLATE;
    eend $? || die;
    ebegin "checking ZLIB_DEFLATE";
    linux_chkconfig_builtin CONFIG_ZLIB_DEFLATE;
    eend $? || die;
    local LINENO_START;
    local LINENO_END;
    local SYMBOLS;
    local x;
    LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)";
    LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)";
    (( LINENO_AMOUNT = ${LINENO_END} - ${LINENO_START} ));
    (( LINENO_END = ${LINENO_END} - 1 ));
    SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')";
    for x in ${SYMBOLS};
    do
        if [[ "${!x}" = "y" ]]; then
            einfo "${x} ensures zlib is linked into your kernel - excellent";
            return 0;
        fi;
    done;
    eerror;
    eerror "This kernel module requires ZLIB library support.";
    eerror "You have enabled zlib support in your kernel, but haven't enabled";
    eerror "enabled any option that will ensure that zlib is linked into your";
    eerror "kernel.";
    eerror;
    eerror "Please ensure that you enable at least one of these options:";
    eerror;
    for x in ${SYMBOLS};
    do
        eerror "  * $x";
    done;
    eerror;
    eerror "Please remember to recompile and install your kernel, and reboot";
    eerror "into your new kernel before attempting to load this kernel module.";
    die "Kernel doesn't include zlib support"
}
clang-fullversion () 
{ 
    _clang_fullversion '$1.$2.$3' "$@"
}
clang-major-version () 
{ 
    _clang_fullversion '$1' "$@"
}
clang-micro-version () 
{ 
    _clang_fullversion '$3' "$@"
}
clang-minor-version () 
{ 
    _clang_fullversion '$2' "$@"
}
clang-version () 
{ 
    _clang_fullversion '$1.$2' "$@"
}
econf_build () 
{ 
    local CBUILD=${CBUILD:-${CHOST}};
    function econf_env () 
    { 
        CHOST=${CBUILD} econf "$@"
    };
    tc-env_build econf_env "$@"
}
epytest () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_check_EPYTHON;
    _python_check_occluded_packages;
    local color=yes;
    [[ -n ${NO_COLOR} ]] && color=no;
    local args=(-vv -ra -l -Wdefault -Werror::pytest.PytestUnhandledCoroutineWarning "--color=${color}" -o console_output_style=count -o tmp_path_retention_count=0 -o tmp_path_retention_policy=failed);
    if [[ ! -n ${PYTEST_DISABLE_PLUGIN_AUTOLOAD} ]]; then
        args+=(-p no:cov -p no:flake8 -p no:flakes -p no:pylint -p no:markdown -p no:sugar -p no:xvfb -p no:pytest-describe -p no:plus -p no:tavern -p no:salt-factories);
    fi;
    if [[ -n ${EPYTEST_TIMEOUT} ]]; then
        if [[ ${PYTEST_PLUGINS} != *pytest_timeout* ]]; then
            args+=(-p timeout);
        fi;
        args+=("--timeout=${EPYTEST_TIMEOUT}");
    fi;
    if [[ -n ${EPYTEST_XDIST} ]]; then
        local jobs=${EPYTEST_JOBS:-$(makeopts_jobs)};
        if [[ ${jobs} -gt 1 ]]; then
            if [[ ${PYTEST_PLUGINS} != *xdist.plugin* ]]; then
                args+=(-p xdist);
            fi;
            args+=(-n "${jobs}" --dist=worksteal);
        fi;
    fi;
    local x;
    for x in "${EPYTEST_DESELECT[@]}";
    do
        args+=(--deselect "${x}");
    done;
    for x in "${EPYTEST_IGNORE[@]}";
    do
        args+=(--ignore "${x}");
    done;
    set -- "${EPYTHON}" -m pytest "${args[@]}" "${@}" ${EPYTEST_FLAGS};
    echo "${@}" 1>&2;
    "${@}";
    local ret=${?};
    rm -rf .hypothesis .pytest_cache || die;
    if [[ -n ${BUILD_DIR} && -d ${BUILD_DIR} ]]; then
        find "${BUILD_DIR}" -name '*-pytest-*.pyc' -delete || die;
    fi;
    [[ ${ret} -ne 0 ]] && die -n "pytest failed with ${EPYTHON}";
    return ${ret}
}
eunittest () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_check_EPYTHON;
    _python_check_occluded_packages;
    set -- "${EPYTHON}" -m unittest discover -v "${@}";
    echo "${@}" 1>&2;
    "${@}" || die -n "Tests failed with ${EPYTHON}";
    return ${?}
}
filter-flags () 
{ 
    _filter-hardened "$@";
    local v;
    for v in $(all-flag-vars);
    do
        _filter-var ${v} "$@";
    done;
    return 0
}
filter-ldflags () 
{ 
    _filter-var LDFLAGS "$@";
    return 0
}
filter-lfs-flags () 
{ 
    [[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments";
    filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_TIME_BITS=64
}
filter-lto () 
{ 
    [[ $# -ne 0 ]] && die "filter-lto takes no arguments";
    filter-flags '-flto*' -fwhole-program-vtables '-fsanitize=cfi*'
}
filter-mfpmath () 
{ 
    local orig_mfpmath new_math prune_math;
    orig_mfpmath=$(get-flag -mfpmath);
    new_math=$(get-flag mfpmath);
    new_math=${new_math/both/387,sse};
    new_math=" ${new_math//[,+]/ } ";
    prune_math="";
    for prune_math in "$@";
    do
        new_math=${new_math/ ${prune_math} / };
    done;
    new_math=$(echo ${new_math});
    new_math=${new_math// /,};
    if [[ -z ${new_math} ]]; then
        filter-flags ${orig_mfpmath};
    else
        replace-flags ${orig_mfpmath} -mfpmath=${new_math};
    fi;
    return 0
}
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.$2' "$@"
}
get-flag () 
{ 
    [[ $# -ne 1 ]] && die "usage: <flag>";
    local f var findflag="$1";
    for var in $(all-flag-vars);
    do
        for f in ${!var};
        do
            if [ "${f/${findflag}}" != "${f}" ]; then
                printf "%s\n" "${f/-${findflag}=}";
                return 0;
            fi;
        done;
    done;
    return 1
}
get_makefile_extract_function () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    local a='' b='' mkfunc='getfilevar';
    a="$(getfilevar VERSION ${KERNEL_MAKEFILE})";
    b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})";
    [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec';
    echo "${mkfunc}"
}
get_makeopts_jobs () 
{ 
    makeopts_jobs "$(_get_all_makeopts)" "${1:-1}"
}
get_makeopts_loadavg () 
{ 
    makeopts_loadavg "$(_get_all_makeopts)" "${1:-999}"
}
get_nproc () 
{ 
    local nproc;
    if type -P nproc &> /dev/null; then
        nproc=$(nproc);
    fi;
    if [[ -z ${nproc} ]] && type -P sysctl &> /dev/null; then
        nproc=$(sysctl -n hw.ncpu 2> /dev/null);
    fi;
    if [[ -z ${nproc} ]] && type -P python &> /dev/null; then
        nproc=$(python -c 'import multiprocessing; print(multiprocessing.cpu_count());' 2> /dev/null);
    fi;
    if [[ -n ${nproc} ]]; then
        echo "${nproc}";
    else
        echo "${1:-1}";
    fi
}
get_running_version () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    local kv=$(uname -r);
    if [[ -f ${ROOT}/lib/modules/${kv}/source/Makefile ]]; then
        KERNEL_DIR=$(readlink -f "${ROOT}/lib/modules/${kv}/source");
        if [[ -f ${ROOT}/lib/modules/${kv}/build/Makefile ]]; then
            KBUILD_OUTPUT=$(readlink -f "${ROOT}/lib/modules/${kv}/build");
        fi;
        get_version && return 0;
    fi;
    KV_FULL=${kv};
    local kv_full=${KV_FULL//[-+_]*};
    KV_MAJOR=$(ver_cut 1 ${kv_full});
    KV_MINOR=$(ver_cut 2 ${kv_full});
    KV_PATCH=$(ver_cut 3 ${kv_full});
    KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}${KV_PATCH:+.${KV_PATCH}}}";
    : "${KV_PATCH:=0}";
    return 0
}
get_version () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    local tmplocal;
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    [[ -n "${KV_FULL}" ]] && return 0;
    unset KV_DIR;
    [[ -z "${get_version_warning_done}" ]] && qeinfo "Determining the location of the kernel source code";
    [[ -d "${KERNEL_DIR}" ]] && KV_DIR="${KERNEL_DIR}";
    if [[ -z "${KV_DIR}" ]]; then
        if [[ -z "${get_version_warning_done}" ]]; then
            get_version_warning_done=1;
            qewarn "Unable to find kernel sources at ${KERNEL_DIR}";
            if [[ "${KERNEL_DIR}" == "/usr/src/linux" ]]; then
                qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, ";
                qeinfo "(or the kernel you wish to build against).";
                qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location";
            else
                qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against.";
            fi;
        fi;
        return 1;
    fi;
    if [[ -z "${KBUILD_OUTPUT}" && -L "${KERNEL_DIR}/source" ]]; then
        KBUILD_OUTPUT=${KERNEL_DIR};
        KERNEL_DIR=$(readlink -f "${KERNEL_DIR}/source");
        KV_DIR=${KERNEL_DIR};
    fi;
    if [[ -z "${get_version_warning_done}" ]]; then
        qeinfo "Found kernel source directory:";
        qeinfo "    ${KV_DIR}";
    fi;
    kernel_get_makefile;
    if [[ ! -s ${KERNEL_MAKEFILE} ]]; then
        if [[ -z "${get_version_warning_done}" ]]; then
            get_version_warning_done=1;
            qeerror "Could not find a Makefile in the kernel source directory.";
            qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources";
        fi;
        return 1;
    fi;
    local OUTPUT_DIR=${KBUILD_OUTPUT};
    if [[ -z ${OUTPUT_DIR} ]]; then
        local mkfunc=$(get_makefile_extract_function "${KERNEL_MAKEFILE}");
        OUTPUT_DIR=$(${mkfunc} KBUILD_OUTPUT "${KERNEL_MAKEFILE}");
    fi;
    KV_MAJOR=$(getfilevar VERSION "${KERNEL_MAKEFILE}");
    KV_MINOR=$(getfilevar PATCHLEVEL "${KERNEL_MAKEFILE}");
    KV_PATCH=$(getfilevar SUBLEVEL "${KERNEL_MAKEFILE}");
    KV_EXTRA=$(getfilevar EXTRAVERSION "${KERNEL_MAKEFILE}");
    if [[ -z "${KV_MAJOR}" || -z "${KV_MINOR}" || -z "${KV_PATCH}" ]]; then
        if [[ -z "${get_version_warning_done}" ]]; then
            get_version_warning_done=1;
            qeerror "Could not detect kernel version.";
            qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources.";
        fi;
        return 1;
    fi;
    [[ -d "${OUTPUT_DIR}" ]] && KV_OUT_DIR="${OUTPUT_DIR}";
    if [[ -n "${KV_OUT_DIR}" ]]; then
        qeinfo "Found kernel object directory:";
        qeinfo "    ${KV_OUT_DIR}";
    fi;
    KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}";
    if [[ -s "${KV_OUT_DIR}"/include/config/kernel.release ]]; then
        KV_LOCAL=$(< "${KV_OUT_DIR}"/include/config/kernel.release);
    else
        if [[ -s "${KV_OUT_DIR}"/.kernelrelease ]]; then
            KV_LOCAL=$(< "${KV_OUT_DIR}"/.kernelrelease);
        else
            KV_LOCAL=;
        fi;
    fi;
    tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}};
    if [[ "${KV_LOCAL}" = "${tmplocal}" ]]; then
        KV_LOCAL=;
    else
        KV_LOCAL=${tmplocal};
    fi;
    if [[ -z ${OUTPUT_DIR} ]]; then
        for OUTPUT_DIR in "${SYSROOT}" "${ROOT}" "";
        do
            OUTPUT_DIR+="/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}/build";
            if [[ -e ${OUTPUT_DIR} ]]; then
                break;
            fi;
        done;
    fi;
    KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}";
    qeinfo "Found sources for kernel version:";
    qeinfo "    ${KV_FULL}";
    return 0
}
getfilevar () 
{ 
    local ERROR basefname basedname myARCH="${ARCH}";
    ERROR=0;
    [[ -z "${1}" ]] && ERROR=1;
    [[ ! -f "${2}" ]] && ERROR=1;
    if [[ "${ERROR}" = 1 ]]; then
        echo -e "\n";
        eerror "getfilevar requires 2 variables, with the second a valid file.";
        eerror "   getfilevar <VARIABLE> <CONFIGFILE>";
    else
        basefname="$(basename ${2})";
        basedname="$(dirname ${2})";
        unset ARCH;
        echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | nonfatal emake -C "${basedname}" --no-print-directory M="${T}" dot-config=0 need-config= need-compiler= -s -f - 2> /dev/null;
        ARCH=${myARCH};
    fi
}
getfilevar_noexec () 
{ 
    local ERROR basefname basedname mycat myARCH="${ARCH}";
    ERROR=0;
    mycat='cat';
    [[ -z "${1}" ]] && ERROR=1;
    [[ ! -f "${2}" ]] && ERROR=1;
    [[ "${2%.gz}" != "${2}" ]] && mycat='zcat';
    if [[ "${ERROR}" = 1 ]]; then
        echo -e "\n";
        eerror "getfilevar_noexec requires 2 variables, with the second a valid file.";
        eerror "   getfilevar_noexec <VARIABLE> <CONFIGFILE>";
    else
        ${mycat} "${2}" | sed -n -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
			s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
			s,[[:space:]]*\$,,g ;
			p
		}";
    fi
}
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
}
kernel_get_makefile () 
{ 
    [[ -s ${KV_DIR}/GNUMakefile ]] && KERNEL_MAKEFILE="${KV_DIR}/GNUMakefile" && return;
    [[ -s ${KV_DIR}/makefile ]] && KERNEL_MAKEFILE="${KV_DIR}/makefile" && return;
    [[ -s ${KV_DIR}/Makefile ]] && KERNEL_MAKEFILE="${KV_DIR}/Makefile" && return
}
kernel_is () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    linux-info_get_any_version;
    local operator;
    case ${1#-} in 
        lt)
            operator="-lt";
            shift
        ;;
        gt)
            operator="-gt";
            shift
        ;;
        le)
            operator="-le";
            shift
        ;;
        ge)
            operator="-ge";
            shift
        ;;
        eq)
            operator="-eq";
            shift
        ;;
        *)
            operator="-eq"
        ;;
    esac;
    [[ $# -gt 3 ]] && die "Error in ${ECLASS}_${FUNCNAME}(): too many parameters";
    ver_test "${KV_MAJOR:-0}.${KV_MINOR:-0}.${KV_PATCH:-0}" "${operator}" "${1:-${KV_MAJOR:-0}}.${2:-${KV_MINOR:-0}}.${3:-${KV_PATCH:-0}}"
}
linux-info_get_any_version () 
{ 
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    if [[ ${MERGE_TYPE} == binary && -z ${SKIP_KERNEL_BINPKG_ENV_RESET} ]]; then
        unset KV_FULL _LINUX_CONFIG_EXISTS_DONE KV_OUT_DIR;
        SKIP_KERNEL_BINPKG_ENV_RESET=1;
    fi;
    if ! get_version; then
        ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version";
    fi;
    if [[ -z ${KV_FULL} ]] && ! get_running_version; then
        die "Unable to determine any Linux Kernel version, please report a bug";
    fi
}
linux-info_pkg_setup () 
{ 
    use kernel_linux || return;
    linux-info_get_any_version;
    [[ -n "${CONFIG_CHECK}" && -z ${CHECKCONFIG_DONOTHING} ]] && check_extra_config
}
linux_chkconfig_builtin () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    linux_config_qa_check linux_chkconfig_builtin;
    [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == y ]]
}
linux_chkconfig_module () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    linux_config_qa_check linux_chkconfig_module;
    [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == m ]]
}
linux_chkconfig_present () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    linux_config_qa_check linux_chkconfig_present;
    [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == [my] ]]
}
linux_chkconfig_string () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    linux_config_qa_check linux_chkconfig_string;
    getfilevar_noexec "CONFIG_$1" "$(linux_config_path)"
}
linux_config_bin_exists () 
{ 
    export _LINUX_CONFIG_EXISTS_DONE=1;
    use kernel_linux && [[ -s /proc/config.gz ]]
}
linux_config_exists () 
{ 
    linux_config_src_exists || linux_config_bin_exists
}
linux_config_path () 
{ 
    if linux_config_src_exists; then
        echo "${KV_OUT_DIR}/.config";
    else
        if linux_config_bin_exists; then
            echo "/proc/config.gz";
        else
            return 1;
        fi;
    fi
}
linux_config_qa_check () 
{ 
    local f="$1";
    if [[ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]]; then
        ewarn "QA: You called $f before any linux_config_exists!";
        ewarn "QA: The return value of $f will NOT guaranteed later!";
    fi;
    if ! use kernel_linux; then
        die "$f called on non-Linux system, please fix the ebuild";
    fi
}
linux_config_src_exists () 
{ 
    export _LINUX_CONFIG_EXISTS_DONE=1;
    use kernel_linux && [[ -n ${KV_OUT_DIR} && -s ${KV_OUT_DIR}/.config ]]
}
makeopts_jobs () 
{ 
    [[ $# -eq 0 ]] && set -- "$(_get_all_makeopts)";
    local jobs=$(echo " $* " | sed -r -n -e 's:.*[[:space:]](-[a-z]*j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' -e "s:.*[[:space:]](-[a-z]*j|--jobs)[[:space:]].*:${2:-$(( $(get_nproc) + 1 ))}:p");
    echo ${jobs:-1}
}
makeopts_loadavg () 
{ 
    [[ $# -eq 0 ]] && set -- "$(_get_all_makeopts)";
    local lavg=$(echo " $* " | sed -r -n -e 's:.*[[:space:]](-[a-z]*l|--(load-average|max-load)[=[:space:]])[[:space:]]*([0-9]+(\.[0-9]+)?)[[:space:]].*:\3:p' -e "s:.*[[:space:]](-[a-z]*l|--(load-average|max-load))[[:space:]].*:${2:-999}:p");
    echo ${lavg:-${2:-999}}
}
no-as-needed () 
{ 
    [[ $# -ne 0 ]] && die "no-as-needed takes no arguments";
    case $($(tc-getLD) -v 2>&1 < /dev/null) in 
        *GNU*)
            echo "-Wl,--no-as-needed"
        ;;
    esac
}
pkg_nofetch () 
{ 
    default
}
pkg_postinst () 
{ 
    elog "The Tvheadend web interface can be reached at:";
    elog "http://localhost:9981/";
    elog;
    elog "Make sure that you change the default username";
    elog "and password via the Configuration / Access control";
    elog "tab in the web interface.";
    . "${EROOT}"/etc/conf.d/tvheadend &> /dev/null;
    if [[ ${TVHEADEND_CONFIG} = ${EPREFIX}/etc/tvheadend ]]; then
        echo;
        ewarn "The HOME directory for the tvheadend user has changed from";
        ewarn "${EPREFIX}/etc/tvheadend to ${EPREFIX}/var/lib/tvheadend. The daemon will continue";
        ewarn "to use the old location until you update TVHEADEND_CONFIG in";
        ewarn "${EPREFIX}/etc/conf.d/tvheadend. Please manually move your existing files";
        ewarn "before you do so.";
    fi
}
pkg_setup () 
{ 
    python-single-r1_pkg_setup;
    use inotify && CONFIG_CHECK="~INOTIFY_USER" linux-info_pkg_setup
}
python-single-r1_pkg_setup () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${MERGE_TYPE} != binary ]] && python_setup
}
python_doexe () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
    local f;
    for f in "$@";
    do
        python_newexe "${f}" "${f##*/}";
    done
}
python_doheader () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
    local includedir=$(python_get_includedir);
    local d=${includedir#${ESYSROOT}};
    ( insopts -m 0644;
    insinto "${d}";
    doins -r "${@}" || return ${?} )
}
python_domodule () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
    local d;
    if [[ ${_PYTHON_MODULEROOT} == /* ]]; then
        d=${_PYTHON_MODULEROOT};
    else
        local sitedir=$(python_get_sitedir);
        d=${sitedir#${EPREFIX}}/${_PYTHON_MODULEROOT//.//};
    fi;
    if [[ ${EBUILD_PHASE} == install ]]; then
        ( insopts -m 0644;
        insinto "${d}";
        doins -r "${@}" || return ${?} );
        python_optimize "${ED}${d}";
    else
        if [[ -n ${BUILD_DIR} ]]; then
            local dest=${BUILD_DIR}/install${EPREFIX}/${d};
            mkdir -p "${dest}" || die;
            cp -pR "${@}" "${dest}/" || die;
            ( cd "${dest}" || die;
            chmod -R a+rX "${@##*/}" || die );
        else
            die "${FUNCNAME} can only be used in src_install or with BUILD_DIR set";
        fi;
    fi
}
python_doscript () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
    local _PYTHON_REWRITE_SHEBANG=1;
    python_doexe "${@}"
}
python_export_utf8_locale () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    type locale &> /dev/null || return 0;
    if [[ $(locale charmap) != UTF-8 ]]; then
        local lang locales="C.UTF-8 en_US.UTF-8 en_GB.UTF-8 $(locale -a)";
        for lang in ${locales};
        do
            if [[ $(LC_ALL=${lang} locale charmap 2> /dev/null) == UTF-8 ]]; then
                if _python_check_locale_sanity "${lang}"; then
                    export LC_CTYPE=${lang};
                    if [[ -n ${LC_ALL} ]]; then
                        export LC_NUMERIC=${LC_ALL};
                        export LC_TIME=${LC_ALL};
                        export LC_COLLATE=${LC_ALL};
                        export LC_MONETARY=${LC_ALL};
                        export LC_MESSAGES=${LC_ALL};
                        export LC_PAPER=${LC_ALL};
                        export LC_NAME=${LC_ALL};
                        export LC_ADDRESS=${LC_ALL};
                        export LC_TELEPHONE=${LC_ALL};
                        export LC_MEASUREMENT=${LC_ALL};
                        export LC_IDENTIFICATION=${LC_ALL};
                        export LC_ALL=;
                    fi;
                    return 0;
                fi;
            fi;
        done;
        ewarn "Could not find a UTF-8 locale. This may trigger build failures in";
        ewarn "some python packages. Please ensure that a UTF-8 locale is listed in";
        ewarn "/etc/locale.gen and run locale-gen.";
        return 1;
    fi;
    return 0
}
python_fix_shebang () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${EPYTHON} ]] || die "${FUNCNAME}: EPYTHON unset (pkg_setup not called?)";
    local force quiet;
    while [[ -n ${@} ]]; do
        case "${1}" in 
            -f | --force)
                force=1;
                shift
            ;;
            -q | --quiet)
                quiet=1;
                shift
            ;;
            --)
                shift;
                break
            ;;
            *)
                break
            ;;
        esac;
    done;
    [[ -n ${1} ]] || die "${FUNCNAME}: no paths given";
    local path f;
    for path in "$@";
    do
        local any_fixed is_recursive;
        [[ -d ${path} ]] && is_recursive=1;
        while IFS= read -r -d '' f; do
            local shebang i;
            local error= match=;
            IFS= read -r shebang < "${f}";
            if [[ ${shebang} == '#!'* ]]; then
                local split_shebang=();
                read -r -a split_shebang <<< ${shebang#"#!"} || die;
                local in_path=${split_shebang[0]};
                local from='^#! *[^ ]*';
                if [[ ${in_path} == */env ]]; then
                    in_path=${split_shebang[1]};
                    from+=' *[^ ]*';
                fi;
                case ${in_path##*/} in 
                    "${EPYTHON}")
                        match=1
                    ;;
                    python | python3)
                        match=1
                    ;;
                    python2 | python[23].[0-9] | python3.[1-9][0-9] | pypy | pypy3 | pypy3.[1-9][0-9] | jython[23].[0-9])
                        match=1;
                        error=1
                    ;;
                esac;
            fi;
            [[ -n ${force} ]] && error=;
            if [[ ! -n ${match} ]]; then
                [[ -n ${is_recursive} ]] && continue;
                error=1;
            fi;
            if [[ ! -n ${quiet} ]]; then
                einfo "Fixing shebang in ${f#${D}}.";
            fi;
            if [[ ! -n ${error} ]]; then
                debug-print "${FUNCNAME}: in file ${f#${D}}";
                debug-print "${FUNCNAME}: rewriting shebang: ${shebang}";
                sed -i -e "1s@${from}@#!${EPREFIX}/usr/bin/${EPYTHON}@" "${f}" || die;
                any_fixed=1;
            else
                eerror "The file has incompatible shebang:";
                eerror "  file: ${f#${D}}";
                eerror "  current shebang: ${shebang}";
                eerror "  requested impl: ${EPYTHON}";
                die "${FUNCNAME}: conversion of incompatible shebang requested";
            fi;
        done < <(find -H "${path}" -type f -print0 || die);
        if [[ ! -n ${any_fixed} ]]; then
            eerror "QA error: ${FUNCNAME}, ${path#${D}} did not match any fixable files.";
            eerror "There are no Python files in specified directory.";
            die "${FUNCNAME} did not match any fixable files";
        fi;
    done
}
python_gen_cond_dep () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl matches=();
    local dep=${1};
    shift;
    _python_verify_patterns "${@}";
    for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}";
    do
        if _python_impl_matches "${impl}" "${@}"; then
            local single_usedep="python_single_target_${impl}(-)";
            local multi_usedep="python_targets_${impl}(-)";
            local subdep=${dep//\$\{PYTHON_SINGLE_USEDEP\}/${single_usedep}};
            matches+=("python_single_target_${impl}? (
				${subdep//\$\{PYTHON_USEDEP\}/${multi_usedep}} )");
        fi;
    done;
    echo "${matches[@]}"
}
python_gen_impl_dep () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl;
    local matches=();
    local PYTHON_REQ_USE=${1};
    shift;
    _python_verify_patterns "${@}";
    for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}";
    do
        if _python_impl_matches "${impl}" "${@}"; then
            local PYTHON_PKG_DEP;
            _python_export "${impl}" PYTHON_PKG_DEP;
            matches+=("python_single_target_${impl}? ( ${PYTHON_PKG_DEP} )");
        fi;
    done;
    echo "${matches[@]}"
}
python_gen_useflags () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local impl matches=();
    _python_verify_patterns "${@}";
    for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}";
    do
        if _python_impl_matches "${impl}" "${@}"; then
            matches+=("python_single_target_${impl}");
        fi;
    done;
    echo "${matches[@]}"
}
python_get_CFLAGS () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_CFLAGS;
    echo "${PYTHON_CFLAGS}"
}
python_get_LIBS () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_LIBS;
    echo "${PYTHON_LIBS}"
}
python_get_PYTHON_CONFIG () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_CONFIG;
    echo "${PYTHON_CONFIG}"
}
python_get_includedir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_INCLUDEDIR;
    echo "${PYTHON_INCLUDEDIR}"
}
python_get_library_path () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_LIBPATH;
    echo "${PYTHON_LIBPATH}"
}
python_get_scriptdir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_SCRIPTDIR;
    echo "${PYTHON_SCRIPTDIR}"
}
python_get_sitedir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_SITEDIR;
    echo "${PYTHON_SITEDIR}"
}
python_get_stdlib () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_export "${@}" PYTHON_STDLIB;
    echo "${PYTHON_STDLIB}"
}
python_has_version () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local root_arg=(-b);
    case ${1} in 
        -b | -d | -r)
            root_arg=("${1}");
            shift
        ;;
    esac;
    local pkg;
    for pkg in "$@";
    do
        ebegin "    ${pkg}";
        has_version "${root_arg[@]}" "${pkg}";
        eend ${?} || return;
    done;
    return 0
}
python_moduleinto () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _PYTHON_MODULEROOT=${1}
}
python_newexe () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
    [[ ${#} -eq 2 ]] || die "Usage: ${FUNCNAME} <path> <new-name>";
    local wrapd=${_PYTHON_SCRIPTROOT:-/usr/bin};
    local f=${1};
    local newfn=${2};
    local scriptdir=$(python_get_scriptdir);
    local d=${scriptdir#${EPREFIX}};
    ( dodir "${wrapd}";
    exeopts -m 0755;
    exeinto "${d}";
    newexe "${f}" "${newfn}" || return ${?} );
    local dosym=dosym;
    [[ ${EAPI} == 7 ]] && dosym=dosym8;
    "${dosym}" -r /usr/lib/python-exec/python-exec2 "${wrapd}/${newfn}";
    if [[ -n ${_PYTHON_REWRITE_SHEBANG} ]]; then
        python_fix_shebang -q "${ED}${d}/${newfn}";
    fi
}
python_newscript () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} != install ]] && die "${FUNCNAME} can only be used in src_install";
    local _PYTHON_REWRITE_SHEBANG=1;
    python_newexe "${@}"
}
python_optimize () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).';
    local PYTHON=${PYTHON};
    [[ -n ${PYTHON} ]] || _python_export PYTHON;
    [[ -x ${PYTHON} ]] || die "PYTHON (${PYTHON}) is not executable";
    if [[ ${#} -eq 0 ]]; then
        local f;
        while IFS= read -r -d '' f; do
            if [[ ${f} == /* && -d ${D}${f} ]]; then
                set -- "${D}${f}" "${@}";
            fi;
        done < <("${PYTHON}" - <<-EOF || 
import sys
print("".join(x + "\0" for x in sys.path))
EOF
 die);
        debug-print "${FUNCNAME}: using sys.path: ${*/%/;}";
    fi;
    local jobs=$(makeopts_jobs);
    local d;
    for d in "$@";
    do
        local instpath=${d#${D}};
        instpath=/${instpath##/};
        einfo "Optimize Python modules for ${instpath}";
        case "${EPYTHON}" in 
            python3.8)
                "${PYTHON}" -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}";
                "${PYTHON}" -O -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}";
                "${PYTHON}" -OO -m compileall -j "${jobs}" -q -f -d "${instpath}" "${d}"
            ;;
            python* | pypy3*)
                "${PYTHON}" -m compileall -j "${jobs}" -o 0 -o 1 -o 2 --hardlink-dupes -q -f -d "${instpath}" "${d}"
            ;;
            pypy | jython2.7)
                "${PYTHON}" -m compileall -q -f -d "${instpath}" "${d}"
            ;;
            *)
                die "${FUNCNAME}: unexpected EPYTHON=${EPYTHON}"
            ;;
        esac;
    done
}
python_scriptinto () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _PYTHON_SCRIPTROOT=${1}
}
python_setup () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _python_sanity_checks;
    unset EPYTHON;
    if [[ -n ${PYTHON_COMPAT_OVERRIDE} ]]; then
        local impls=(${PYTHON_COMPAT_OVERRIDE});
        [[ ${#impls[@]} -eq 1 ]] || die "PYTHON_COMPAT_OVERRIDE must name exactly one implementation for python-single-r1";
        ewarn "WARNING: PYTHON_COMPAT_OVERRIDE in effect. The following Python";
        ewarn "implementation will be used:";
        ewarn;
        ewarn "	${PYTHON_COMPAT_OVERRIDE}";
        ewarn;
        ewarn "Dependencies won't be satisfied, and PYTHON_SINGLE_TARGET flags will be ignored.";
        _python_export "${impls[0]}" EPYTHON PYTHON;
        _python_wrapper_setup;
        einfo "Using ${EPYTHON} to build";
        return;
    fi;
    local impl;
    for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}";
    do
        if use "python_single_target_${impl}"; then
            if [[ -n ${EPYTHON} ]]; then
                eerror "Your PYTHON_SINGLE_TARGET setting lists more than a single Python";
                eerror "implementation. Please set it to just one value. If you need";
                eerror "to override the value for a single package, please use package.env";
                eerror "or an equivalent solution (man 5 portage).";
                echo;
                die "More than one implementation in PYTHON_SINGLE_TARGET.";
            fi;
            _python_export "${impl}" EPYTHON PYTHON;
            _python_wrapper_setup;
            einfo "Using ${EPYTHON} to build";
        fi;
    done;
    if [[ ! -n ${EPYTHON} ]]; then
        eerror "No Python implementation selected for the build. Please set";
        eerror "the PYTHON_SINGLE_TARGET variable in your make.conf to one";
        eerror "of the following values:";
        eerror;
        eerror "${_PYTHON_SUPPORTED_IMPLS[@]}";
        echo;
        die "No supported Python implementation in PYTHON_SINGLE_TARGET.";
    fi
}
qeerror () 
{ 
    qout eerror "${@}"
}
qeinfo () 
{ 
    qout einfo "${@}"
}
qewarn () 
{ 
    qout ewarn "${@}"
}
qout () 
{ 
    local outputmsg type;
    type=${1};
    shift;
    outputmsg="${@}";
    case "${EBUILD_PHASE}" in 
        depend)
            unset outputmsg
        ;;
        clean)
            unset outputmsg
        ;;
        preinst)
            unset outputmsg
        ;;
    esac;
    [[ -n "${outputmsg}" ]] && ${type} "${outputmsg}"
}
raw-ldflags () 
{ 
    local x input="$@";
    [[ -z ${input} ]] && input=${LDFLAGS};
    set --;
    for x in ${input};
    do
        case ${x} in 
            -Wl,*)
                x=${x#-Wl,};
                set -- "$@" ${x//,/ }
            ;;
            *)

            ;;
        esac;
    done;
    echo "$@"
}
replace-cpu-flags () 
{ 
    local newcpu="$#";
    newcpu="${!newcpu}";
    while [ $# -gt 1 ]; do
        replace-flags "-march=${1}" "-march=${newcpu}";
        replace-flags "-mcpu=${1}" "-mcpu=${newcpu}";
        replace-flags "-mtune=${1}" "-mtune=${newcpu}";
        shift;
    done;
    return 0
}
replace-flags () 
{ 
    [[ $# != 2 ]] && die "Usage: replace-flags <old flag> <new flag>";
    local f var new;
    for var in $(all-flag-vars);
    do
        new=();
        for f in ${!var};
        do
            [[ ${f} == ${1} ]] && f=${2};
            new+=("${f}");
        done;
        export ${var}="${new[*]}";
    done;
    return 0
}
replace-sparc64-flags () 
{ 
    [[ $# -ne 0 ]] && die "replace-sparc64-flags takes no arguments";
    local SPARC64_CPUS="ultrasparc3 ultrasparc v9";
    if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
        for x in ${SPARC64_CPUS};
        do
            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}";
        done;
    else
        for x in ${SPARC64_CPUS};
        do
            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
        done;
    fi;
    if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
        for x in ${SPARC64_CPUS};
        do
            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}";
        done;
    else
        for x in ${SPARC64_CPUS};
        do
            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
        done;
    fi;
    export CFLAGS CXXFLAGS
}
require_configured_kernel () 
{ 
    [[ -n ${SKIP_KERNEL_CHECK} ]] && return;
    if ! use kernel_linux; then
        die "${FUNCNAME}() called on non-Linux system, please fix the ebuild";
    fi;
    if ! linux_config_src_exists; then
        qeerror "Could not find a usable .config in the kernel source directory.";
        qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources.";
        qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that";
        qeerror "it points to the necessary object directory so that it might find .config.";
        die "Kernel not configured; no .config found in ${KV_OUT_DIR}";
    fi;
    get_version || die "Unable to determine configured kernel version"
}
set_arch_to_kernel () 
{ 
    export ARCH=$(tc-arch-kernel)
}
set_arch_to_pkgmgr () 
{ 
    export ARCH=$(tc-arch)
}
setup-allowed-flags () 
{ 
    [[ ${EAPI} == 7 ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
    _setup-allowed-flags "$@"
}
src_compile () 
{ 
    emake CC="$(tc-getCC)"
}
src_configure () 
{ 
    filter-lto;
    CC="$(tc-getCC)" PKG_CONFIG="$(tc-getPKG_CONFIG)" econf --disable-bundle --disable-ccache --disable-dvbscan --disable-ffmpeg_static --disable-hdhomerun_static --enable-libfdkaac --enable-libtheora --enable-libvorbis --nowerror $(use_enable dbus dbus_1) $(use_enable debug trace) $(use_enable ddci) $(use_enable dvb linuxdvb) $(use_enable dvbcsa) $(use_enable dvbcsa capmt) $(use_enable dvbcsa cccam) $(use_enable dvbcsa constcw) $(use_enable dvbcsa cwc) $(use_enable ffmpeg libav) $(use_enable hdhomerun hdhomerun_client) $(use_enable imagecache) $(use_enable inotify) $(use_enable iptv) $(use_enable opus libopus) $(use_enable satip satip_server) $(use_enable satip satip_client) $(use_enable systemd libsystemd_daemon) $(use_enable timeshift) $(use_enable uriparser) $(use_enable vpx libvpx) $(use_enable x264 libx264) $(use_enable x265 libx265) $(use_enable zeroconf avahi) $(use_enable zlib)
}
src_install () 
{ 
    default;
    python_fix_shebang "${ED}"/usr/bin/;
    newinitd "${FILESDIR}"/tvheadend.initd tvheadend;
    newconfd "${FILESDIR}"/tvheadend.confd tvheadend;
    use systemd && systemd_dounit "${FILESDIR}"/tvheadend.service
}
src_prepare () 
{ 
    default
}
src_test () 
{ 
    default
}
src_unpack () 
{ 
    default
}
strip-flags () 
{ 
    [[ $# -ne 0 ]] && die "strip-flags takes no arguments";
    local x y var;
    local ALLOWED_FLAGS;
    _setup-allowed-flags;
    set -f;
    for var in $(all-flag-vars);
    do
        local new=();
        for x in ${!var};
        do
            for y in "${ALLOWED_FLAGS[@]}";
            do
                if [[ ${x} == ${y} ]]; then
                    new+=("${x}");
                    break;
                fi;
            done;
        done;
        if _is_flagq ${var} "-O*" && ! _is_flagq new "-O*"; then
            new+=(-O2);
        fi;
        if [[ ${!var} != "${new[*]}" ]]; then
            einfo "strip-flags: ${var}: changed '${!var}' to '${new[*]}'";
        fi;
        export ${var}="${new[*]}";
    done;
    set +f;
    return 0
}
strip-unsupported-flags () 
{ 
    [[ $# -ne 0 ]] && die "strip-unsupported-flags takes no arguments";
    export CFLAGS=$(test-flags-CC ${CFLAGS});
    export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS});
    export FFLAGS=$(test-flags-F77 ${FFLAGS});
    export FCFLAGS=$(test-flags-FC ${FCFLAGS});
    export LDFLAGS=$(test-flags-CCLD ${LDFLAGS})
}
systemd_dounit () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    ( insopts -m 0644;
    insinto "$(_systemd_unprefix systemd_get_systemunitdir)";
    doins "${@}" )
}
systemd_douserunit () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    ( insopts -m 0644;
    insinto "$(_systemd_unprefix systemd_get_userunitdir)";
    doins "${@}" )
}
systemd_enable_ntpunit () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    if [[ ${#} -lt 2 ]]; then
        die "Usage: systemd_enable_ntpunit <NN-name> <service>...";
    fi;
    local ntpunit_name=${1};
    local services=("${@:2}");
    if [[ ${ntpunit_name} != [0-9][0-9]-* ]]; then
        die "ntpunit.d file must be named NN-name where NN are digits.";
    else
        if [[ ${ntpunit_name} == *.list ]]; then
            die "The .list suffix is appended implicitly to ntpunit.d name.";
        fi;
    fi;
    local unitdir=$(systemd_get_systemunitdir);
    local s;
    for s in "${services[@]}";
    do
        if [[ ! -f "${D}${unitdir}/${s}" ]]; then
            die "ntp-units.d provider ${s} not installed (yet?) in \${D}.";
        fi;
        echo "${s}" >> "${T}"/${ntpunit_name}.list || die;
    done;
    ( insopts -m 0644;
    insinto "$(_systemd_unprefix systemd_get_utildir)"/ntp-units.d;
    doins "${T}"/${ntpunit_name}.list );
    local ret=${?};
    rm "${T}"/${ntpunit_name}.list || die;
    return ${ret}
}
systemd_enable_service () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service";
    local target=${1};
    local service=${2};
    local ud=$(_systemd_unprefix systemd_get_systemunitdir);
    local destname=${service##*/};
    dodir "${ud}"/"${target}".wants && dosym ../"${service}" "${ud}"/"${target}".wants/"${destname}"
}
systemd_get_sleepdir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemdsleepdir /usr/lib/systemd/system-sleep
}
systemd_get_systemgeneratordir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemdsystemgeneratordir /usr/lib/systemd/system-generators
}
systemd_get_systempresetdir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemdsystempresetdir /usr/lib/systemd/system-preset
}
systemd_get_systemunitdir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemdsystemunitdir /usr/lib/systemd/system
}
systemd_get_userunitdir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemduserunitdir /usr/lib/systemd/user
}
systemd_get_utildir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _systemd_get_dir systemdutildir /usr/lib/systemd
}
systemd_install_dropin () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local basedir;
    if [[ $# -ge 1 ]] && [[ $1 == "--user" ]]; then
        basedir=$(_systemd_unprefix systemd_get_userunitdir);
        shift 1;
    else
        basedir=$(_systemd_unprefix systemd_get_systemunitdir);
    fi;
    local unit=${1};
    local src=${2};
    [[ -n ${unit} ]] || die "No unit specified";
    [[ -n ${src} ]] || die "No conf file specified";
    [[ ${unit} == *.d ]] && die "Unit ${unit} must not have .d suffix";
    ( insopts -m 0644;
    insinto "${basedir}/${unit}".d;
    newins "${src}" 00gentoo.conf )
}
systemd_install_serviced () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local src=${1};
    local service=${2};
    [[ -n ${src} ]] || die "No file specified";
    if [[ ! -n ${service} ]]; then
        [[ ${src} == *.conf ]] || die "Source file needs .conf suffix";
        service=${src##*/};
        service=${service%.conf};
    fi;
    [[ ${service} == *.d ]] && die "Service must not have .d suffix";
    ( insopts -m 0644;
    insinto /etc/systemd/system/"${service}".d;
    newins "${src}" 00gentoo.conf )
}
systemd_is_booted () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -d /run/systemd/system ]];
    local ret=${?};
    debug-print "${FUNCNAME}: [[ -d /run/systemd/system ]] -> ${ret}";
    return ${ret}
}
systemd_newunit () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    ( insopts -m 0644;
    insinto "$(_systemd_unprefix systemd_get_systemunitdir)";
    newins "${@}" )
}
systemd_newuserunit () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    ( insopts -m 0644;
    insinto "$(_systemd_unprefix systemd_get_userunitdir)";
    newins "${@}" )
}
systemd_reenable () 
{ 
    type systemctl &> /dev/null || return 0;
    local x;
    for x in "$@";
    do
        if systemctl --quiet --root="${ROOT:-/}" is-enabled "${x}"; then
            systemctl --root="${ROOT:-/}" reenable "${x}";
        fi;
    done
}
systemd_update_catalog () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${EBUILD_PHASE} == post* ]] || die "${FUNCNAME} disallowed during ${EBUILD_PHASE_FUNC:-${EBUILD_PHASE}}";
    local journalctl=${EPREFIX}/usr/bin/journalctl;
    if [[ -x ${journalctl} ]]; then
        ebegin "Updating systemd journal catalogs";
        journalctl --update-catalog;
        eend $?;
    else
        debug-print "${FUNCNAME}: journalctl not found.";
    fi
}
tc-arch () 
{ 
    tc-ninja_magic_to_arch portage "$@"
}
tc-arch-kernel () 
{ 
    tc-ninja_magic_to_arch kern "$@"
}
tc-check-min_ver () 
{ 
    function do_check () 
    { 
        debug-print "Compiler version check for ${1}";
        debug-print "Detected: ${2}";
        debug-print "Required: ${3}";
        if ver_test ${2} -lt ${3}; then
            eerror "Your current compiler is too old for this package!";
            die "Active compiler is too old for this package (found ${1} ${2}).";
        fi
    };
    case ${1} in 
        gcc)
            tc-is-gcc || return;
            do_check GCC $(gcc-version) ${2}
        ;;
        clang)
            tc-is-clang || return;
            do_check Clang $(clang-version) ${2}
        ;;
        *)
            eerror "Unknown first parameter for ${FUNCNAME} - must be gcc or clang";
            die "${FUNCNAME}: Parameter ${1} unknown"
        ;;
    esac
}
tc-check-openmp () 
{ 
    if ! _tc-has-openmp; then
        eerror "Your current compiler does not support OpenMP!";
        if tc-is-gcc; then
            eerror "Enable OpenMP support by building sys-devel/gcc with USE=\"openmp\".";
        else
            if tc-is-clang; then
                eerror "OpenMP support in llvm-core/clang is provided by llvm-runtimes/openmp.";
            fi;
        fi;
        die "Active compiler does not have required support for OpenMP";
    fi
}
tc-cpp-is-true () 
{ 
    local CONDITION=${1};
    shift;
    $(tc-getTARGET_CPP) "${@}" -P - <<-EOF > /dev/null 2>&1
#if ${CONDITION}
true
#else
#error false
#endif
EOF

}
tc-detect-is-softfloat () 
{ 
    [[ $(tc-getTARGET_CPP) == "gcc -E" ]] && return 1;
    case ${CTARGET:-${CHOST}} in 
        *-newlib | *-elf | *-eabi | arm64-apple-darwin*)
            return 1
        ;;
        arm*)
            if tc-cpp-is-true "defined(__ARM_PCS_VFP)"; then
                echo "no";
            else
                if tc-cpp-is-true "defined(__SOFTFP__)"; then
                    echo "yes";
                else
                    echo "softfp";
                fi;
            fi;
            return 0
        ;;
        *)
            return 1
        ;;
    esac
}
tc-enables-cxx-assertions () 
{ 
    tc-cpp-is-true "defined(_GLIBCXX_ASSERTIONS) || defined(_LIBCPP_ENABLE_ASSERTIONS) || defined(_LIBCPP_ENABLE_HARDENED_MODE)" ${CPPFLAGS} ${CXXFLAGS}
}
tc-enables-fortify-source () 
{ 
    tc-cpp-is-true "defined(_FORTIFY_SOURCE)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
}
tc-enables-pie () 
{ 
    tc-cpp-is-true "defined(__PIE__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
}
tc-enables-ssp () 
{ 
    tc-cpp-is-true "defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
}
tc-enables-ssp-all () 
{ 
    tc-cpp-is-true "defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
}
tc-enables-ssp-strong () 
{ 
    tc-cpp-is-true "defined(__SSP_STRONG__) || defined(__SSP_ALL__)" ${CPPFLAGS} ${CFLAGS} ${CXXFLAGS}
}
tc-endian () 
{ 
    local host=$1;
    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
    host=${host%%-*};
    case ${host} in 
        aarch64*be)
            echo big
        ;;
        aarch64)
            echo little
        ;;
        alpha*)
            echo little
        ;;
        arc*b*)
            echo big
        ;;
        arc*)
            echo little
        ;;
        arm*b*)
            echo big
        ;;
        arm*)
            echo little
        ;;
        cris*)
            echo little
        ;;
        hppa*)
            echo big
        ;;
        i?86*)
            echo little
        ;;
        ia64*)
            echo little
        ;;
        loongarch*)
            echo little
        ;;
        m68*)
            echo big
        ;;
        mips*l*)
            echo little
        ;;
        mips*)
            echo big
        ;;
        powerpc*le)
            echo little
        ;;
        powerpc*)
            echo big
        ;;
        riscv*)
            echo little
        ;;
        s390*)
            echo big
        ;;
        sh*b*)
            echo big
        ;;
        sh*)
            echo little
        ;;
        sparc*)
            echo big
        ;;
        x86_64*)
            echo little
        ;;
        *)
            echo wtf
        ;;
    esac
}
tc-env_build () 
{ 
    tc-export_build_env;
    CFLAGS=${BUILD_CFLAGS} CXXFLAGS=${BUILD_CXXFLAGS} CPPFLAGS=${BUILD_CPPFLAGS} LDFLAGS=${BUILD_LDFLAGS} AR=$(tc-getBUILD_AR) AS=$(tc-getBUILD_AS) CC=$(tc-getBUILD_CC) CPP=$(tc-getBUILD_CPP) CXX=$(tc-getBUILD_CXX) LD=$(tc-getBUILD_LD) NM=$(tc-getBUILD_NM) PKG_CONFIG=$(tc-getBUILD_PKG_CONFIG) RANLIB=$(tc-getBUILD_RANLIB) READELF=$(tc-getBUILD_READELF) "$@"
}
tc-export () 
{ 
    local var;
    for var in "$@";
    do
        [[ $(type -t "tc-get${var}") != "function" ]] && die "tc-export: invalid export variable '${var}'";
        "tc-get${var}" > /dev/null;
    done
}
tc-export_build_env () 
{ 
    tc-export "$@";
    if tc-is-cross-compiler; then
        : "${BUILD_CFLAGS:=-O1 -pipe}";
        : "${BUILD_CXXFLAGS:=-O1 -pipe}";
        : "${BUILD_CPPFLAGS:= }";
        : "${BUILD_LDFLAGS:= }";
    else
        : "${BUILD_CFLAGS:=${CFLAGS}}";
        : "${BUILD_CXXFLAGS:=${CXXFLAGS}}";
        : "${BUILD_CPPFLAGS:=${CPPFLAGS}}";
        : "${BUILD_LDFLAGS:=${LDFLAGS}}";
    fi;
    export BUILD_{C,CXX,CPP,LD}FLAGS;
    local v;
    for v in BUILD_{C,CXX,CPP,LD}FLAGS;
    do
        export ${v#BUILD_}_FOR_BUILD="${!v}";
    done
}
tc-get-build-ptr-size () 
{ 
    $(tc-getBUILD_CC) -E -P - <<< __SIZEOF_POINTER__ || die "Could not determine CBUILD pointer size"
}
tc-get-c-rtlib () 
{ 
    local res=$($(tc-getCC) ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} -print-libgcc-file-name 2> /dev/null);
    case ${res} in 
        *libclang_rt*)
            echo compiler-rt
        ;;
        *libgcc*)
            echo libgcc
        ;;
        *)
            return 1
        ;;
    esac;
    return 0
}
tc-get-compiler-type () 
{ 
    local code='
#if defined(__PATHSCALE__)
	HAVE_PATHCC
#elif defined(__clang__)
	HAVE_CLANG
#elif defined(__GNUC__)
	HAVE_GCC
#endif
';
    local res=$($(tc-getCC "$@") -E -P - <<< "${code}");
    case ${res} in 
        *HAVE_PATHCC*)
            echo pathcc
        ;;
        *HAVE_CLANG*)
            echo clang
        ;;
        *HAVE_GCC*)
            echo gcc
        ;;
        *)
            echo unknown
        ;;
    esac
}
tc-get-cxx-stdlib () 
{ 
    local code='
#if __cplusplus >= 202002L
	#include <version>
#else
	#include <ciso646>
#endif

#if defined(_LIBCPP_VERSION)
	HAVE_LIBCXX
#elif defined(__GLIBCXX__)
	HAVE_LIBSTDCPP
#endif
';
    local res=$($(tc-getCXX) ${CPPFLAGS} ${CXXFLAGS} -x c++ -E -P - <<< "${code}" 2> /dev/null);
    case ${res} in 
        *HAVE_LIBCXX*)
            echo libc++
        ;;
        *HAVE_LIBSTDCPP*)
            echo libstdc++
        ;;
        *)
            return 1
        ;;
    esac;
    return 0
}
tc-get-ptr-size () 
{ 
    $(tc-getCC) -E -P - <<< __SIZEOF_POINTER__ || die "Could not determine CHOST pointer size"
}
tc-getAR () 
{ 
    tc-getPROG AR ar "$@"
}
tc-getAS () 
{ 
    tc-getPROG AS as "$@"
}
tc-getBUILD_AR () 
{ 
    tc-getBUILD_PROG AR ar "$@"
}
tc-getBUILD_AS () 
{ 
    tc-getBUILD_PROG AS as "$@"
}
tc-getBUILD_CC () 
{ 
    tc-getBUILD_PROG CC gcc "$@"
}
tc-getBUILD_CPP () 
{ 
    tc-getBUILD_PROG CPP "$(tc-getBUILD_CC) -E" "$@"
}
tc-getBUILD_CXX () 
{ 
    tc-getBUILD_PROG CXX g++ "$@"
}
tc-getBUILD_LD () 
{ 
    tc-getBUILD_PROG LD ld "$@"
}
tc-getBUILD_NM () 
{ 
    tc-getBUILD_PROG NM nm "$@"
}
tc-getBUILD_OBJCOPY () 
{ 
    tc-getBUILD_PROG OBJCOPY objcopy "$@"
}
tc-getBUILD_PKG_CONFIG () 
{ 
    tc-getBUILD_PROG PKG_CONFIG pkg-config "$@"
}
tc-getBUILD_PROG () 
{ 
    local vars="BUILD_$1 $1_FOR_BUILD HOST$1";
    tc-is-cross-compiler || vars+=" $1";
    _tc-getPROG CBUILD "${vars}" "${@:2}"
}
tc-getBUILD_RANLIB () 
{ 
    tc-getBUILD_PROG RANLIB ranlib "$@"
}
tc-getBUILD_READELF () 
{ 
    tc-getBUILD_PROG READELF readelf "$@"
}
tc-getBUILD_STRINGS () 
{ 
    tc-getBUILD_PROG STRINGS strings "$@"
}
tc-getBUILD_STRIP () 
{ 
    tc-getBUILD_PROG STRIP strip "$@"
}
tc-getCC () 
{ 
    tc-getPROG CC gcc "$@"
}
tc-getCPP () 
{ 
    tc-getPROG CPP "${CC:-gcc} -E" "$@"
}
tc-getCXX () 
{ 
    tc-getPROG CXX g++ "$@"
}
tc-getDLLWRAP () 
{ 
    tc-getPROG DLLWRAP dllwrap "$@"
}
tc-getF77 () 
{ 
    tc-getPROG F77 gfortran "$@"
}
tc-getFC () 
{ 
    tc-getPROG FC gfortran "$@"
}
tc-getGCJ () 
{ 
    tc-getPROG GCJ gcj "$@"
}
tc-getGO () 
{ 
    tc-getPROG GO gccgo "$@"
}
tc-getLD () 
{ 
    tc-getPROG LD ld "$@"
}
tc-getNM () 
{ 
    tc-getPROG NM nm "$@"
}
tc-getOBJCOPY () 
{ 
    tc-getPROG OBJCOPY objcopy "$@"
}
tc-getOBJDUMP () 
{ 
    tc-getPROG OBJDUMP objdump "$@"
}
tc-getPKG_CONFIG () 
{ 
    tc-getPROG PKG_CONFIG pkg-config "$@"
}
tc-getPROG () 
{ 
    _tc-getPROG CHOST "$@"
}
tc-getRANLIB () 
{ 
    tc-getPROG RANLIB ranlib "$@"
}
tc-getRC () 
{ 
    tc-getPROG RC windres "$@"
}
tc-getREADELF () 
{ 
    tc-getPROG READELF readelf "$@"
}
tc-getSTRINGS () 
{ 
    tc-getPROG STRINGS strings "$@"
}
tc-getSTRIP () 
{ 
    tc-getPROG STRIP strip "$@"
}
tc-getTARGET_CPP () 
{ 
    if [[ -n ${CTARGET} ]]; then
        _tc-getPROG CTARGET TARGET_CPP "gcc -E" "$@";
    else
        tc-getCPP "$@";
    fi
}
tc-has-64bit-time_t () 
{ 
    $(tc-getCC) ${CFLAGS} ${CPPFLAGS} -c -x c - -o /dev/null <<-EOF &> /dev/null
#include <sys/types.h>
int test[sizeof(time_t) >= 8 ? 1 : -1];
EOF

    return $?
}
tc-has-tls () 
{ 
    local base="${T}/test-tc-tls";
    cat <<-EOF > "${base}.c"
int foo(int *i) {
static __thread int j = 0;
return *i ? j : *i;
}
EOF

    local flags;
    case $1 in 
        -s)
            flags="-S"
        ;;
        -c)
            flags="-c"
        ;;
        -l)

        ;;
        -*)
            die "Usage: tc-has-tls [-c|-l] [toolchain prefix]"
        ;;
    esac;
    case "${CHOST}" in 
        *-darwin*)
            : ${flags:=-dynamiclib}
        ;;
        *)
            : ${flags:=-fPIC -shared -Wl,-z,defs}
        ;;
    esac;
    [[ $1 == -* ]] && shift;
    $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null;
    local ret=$?;
    rm -f "${base}"*;
    return ${ret}
}
tc-is-clang () 
{ 
    [[ $(tc-get-compiler-type) == clang ]]
}
tc-is-cross-compiler () 
{ 
    [[ ${CBUILD:-${CHOST}} != ${CHOST} ]]
}
tc-is-gcc () 
{ 
    [[ $(tc-get-compiler-type) == gcc ]]
}
tc-is-lto () 
{ 
    local f="${T}/test-lto.o";
    local ret=1;
    case $(tc-get-compiler-type) in 
        clang)
            $(tc-getCC) ${CFLAGS} -c -o "${f}" -x c - <<< "" || die;
            llvm-bcanalyzer "${f}" &> /dev/null && ret=0
        ;;
        gcc)
            $(tc-getCC) ${CFLAGS} -c -o "${f}" -x c - <<< "" || die;
            [[ $($(tc-getREADELF) -S "${f}") == *.gnu.lto* ]] && ret=0
        ;;
    esac;
    rm -f "${f}" || die;
    return "${ret}"
}
tc-is-softfloat () 
{ 
    tc-detect-is-softfloat || tc-tuple-is-softfloat
}
tc-is-static-only () 
{ 
    local host=${CTARGET:-${CHOST}};
    [[ ${host} == *-mint* ]]
}
tc-ld-disable-gold () 
{ 
    tc-ld-is-gold "$@" && tc-ld-force-bfd "$@"
}
tc-ld-force-bfd () 
{ 
    if tc-ld-is-bfd "$@"; then
        return;
    fi;
    ewarn "Forcing usage of the BFD linker";
    local ld=$(unset LD; tc-getLD "$@");
    local bfd_ld="${ld}.bfd";
    local path_ld=$(type -P "${bfd_ld}" 2> /dev/null);
    [[ -e ${path_ld} ]] && export LD=${bfd_ld};
    if tc-is-gcc || tc-is-clang; then
        export CFLAGS="${CFLAGS} -fuse-ld=bfd";
        export CXXFLAGS="${CXXFLAGS} -fuse-ld=bfd";
        export LDFLAGS="${LDFLAGS} -fuse-ld=bfd";
    fi
}
tc-ld-is-bfd () 
{ 
    local out;
    local -x LC_ALL=C;
    out=$($(tc-getLD "$@") --version 2>&1);
    if [[ ${out} != "GNU ld"* ]]; then
        return 1;
    fi;
    local base="${T}/test-tc-linker";
    cat <<-EOF > "${base}.c"
int main(void) { return 0; }
EOF

    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
    rm -f "${base}"*;
    if [[ ! ${out} =~ .*^"GNU ld".* ]]; then
        return 1;
    fi;
    return 0
}
tc-ld-is-gold () 
{ 
    local out;
    local -x LC_ALL=C;
    out=$($(tc-getLD "$@") --version 2>&1);
    if [[ ${out} == *"GNU gold"* ]]; then
        return 0;
    fi;
    local base="${T}/test-tc-linker";
    cat <<-EOF > "${base}.c"
int main(void) { return 0; }
EOF

    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
    rm -f "${base}"*;
    if [[ ${out} == *"GNU gold"* ]]; then
        return 0;
    fi;
    return 1
}
tc-ld-is-lld () 
{ 
    local out;
    local -x LC_ALL=C;
    out=$($(tc-getLD "$@") --version 2>&1);
    if [[ ${out} == *"LLD"* ]]; then
        return 0;
    fi;
    local base="${T}/test-tc-linker";
    cat <<-EOF > "${base}.c"
int main(void) { return 0; }
EOF

    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
    rm -f "${base}"*;
    if [[ ${out} == *"LLD"* ]]; then
        return 0;
    fi;
    return 1
}
tc-ld-is-mold () 
{ 
    local out;
    local -x LC_ALL=C;
    out=$($(tc-getLD "$@") --version 2>&1);
    if [[ ${out} == *"mold"* ]]; then
        return 0;
    fi;
    local base="${T}/test-tc-linker";
    cat <<-EOF > "${base}.c"
int main(void) { return 0; }
EOF

    out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1);
    rm -f "${base}"*;
    if [[ ${out} == *"mold"* ]]; then
        return 0;
    fi;
    return 1
}
tc-ninja_magic_to_arch () 
{ 
    function _tc_echo_kernel_alias () 
    { 
        [[ ${type} == "kern" ]] && echo $1 || echo $2
    };
    local type=$1;
    local host=$2;
    [[ -z ${host} ]] && host=${CTARGET:-${CHOST}};
    case ${host} in 
        arm64*)
            echo arm64
        ;;
        aarch64*)
            echo arm64
        ;;
        alpha*)
            echo alpha
        ;;
        arc*)
            echo arc
        ;;
        arm*)
            echo arm
        ;;
        avr*)
            _tc_echo_kernel_alias avr32 avr
        ;;
        bfin*)
            _tc_echo_kernel_alias blackfin bfin
        ;;
        c6x*)
            echo c6x
        ;;
        cris*)
            echo cris
        ;;
        frv*)
            echo frv
        ;;
        hexagon*)
            echo hexagon
        ;;
        hppa*)
            _tc_echo_kernel_alias parisc hppa
        ;;
        i?86*)
            echo x86
        ;;
        ia64*)
            echo ia64
        ;;
        loongarch*)
            _tc_echo_kernel_alias loongarch loong
        ;;
        m68*)
            echo m68k
        ;;
        metag*)
            echo metag
        ;;
        microblaze*)
            echo microblaze
        ;;
        mips*)
            echo mips
        ;;
        nios2*)
            echo nios2
        ;;
        nios*)
            echo nios
        ;;
        or1k* | or32*)
            echo openrisc
        ;;
        powerpc*)
            if [[ ${type} == "kern" ]]; then
                echo powerpc;
            else
                if [[ ${host} == powerpc64* ]]; then
                    echo ppc64;
                else
                    echo ppc;
                fi;
            fi
        ;;
        riscv*)
            echo riscv
        ;;
        s390*)
            echo s390
        ;;
        score*)
            echo score
        ;;
        sh64*)
            _tc_echo_kernel_alias sh64 sh
        ;;
        sh*)
            echo sh
        ;;
        sparc64*)
            _tc_echo_kernel_alias sparc64 sparc
        ;;
        sparc*)
            [[ ${PROFILE_ARCH} == "sparc64" ]] && _tc_echo_kernel_alias sparc64 sparc || echo sparc
        ;;
        tile*)
            echo tile
        ;;
        vax*)
            echo vax
        ;;
        x86_64*)
            if [[ ${type} == "kern" ]]; then
                echo x86;
            else
                echo amd64;
            fi
        ;;
        xtensa*)
            echo xtensa
        ;;
        *)
            echo unknown
        ;;
    esac
}
tc-stack-grows-down () 
{ 
    case ${ARCH} in 
        hppa | metag)
            return 1
        ;;
    esac;
    return 0
}
tc-tuple-is-softfloat () 
{ 
    local CTARGET=${CTARGET:-${CHOST}};
    case ${CTARGET//_/-} in 
        bfin* | h8300*)
            echo "only"
        ;;
        *-softfloat-*)
            echo "yes"
        ;;
        *-softfp-*)
            echo "softfp"
        ;;
        arm*-hardfloat-* | arm*eabihf)
            echo "no"
        ;;
        *-newlib | *-elf | *-eabi)
            echo "no"
        ;;
        arm64-apple-darwin*)
            echo "no"
        ;;
        arm*)
            echo "yes"
        ;;
        *)
            echo "no"
        ;;
    esac
}
test-compile () 
{ 
    local lang=$1;
    local code=$2;
    shift 2;
    [[ -z "${lang}" ]] && return 1;
    [[ -z "${code}" ]] && return 1;
    local compiler filename_in filename_out args=() libs=();
    case "${lang}" in 
        c)
            compiler="$(tc-getCC)";
            filename_in="${T}/test.c";
            filename_out="${T}/test.o";
            args+=(${CFLAGS[@]} -xc -c)
        ;;
        c++)
            compiler="$(tc-getCXX)";
            filename_in="${T}/test.cc";
            filename_out="${T}/test.o";
            args+=(${CXXFLAGS[@]} -xc++ -c)
        ;;
        f77)
            compiler="$(tc-getF77)";
            filename_in="${T}/test.f";
            filename_out="${T}/test.o";
            args+=(${FFFLAGS[@]} -xf77 -c)
        ;;
        f95)
            compiler="$(tc-getFC)";
            filename_in="${T}/test.f90";
            filename_out="${T}/test.o";
            args+=(${FCFLAGS[@]} -xf95 -c)
        ;;
        c+ld)
            compiler="$(tc-getCC)";
            filename_in="${T}/test.c";
            filename_out="${T}/test.exe";
            args+=(${CFLAGS[@]} ${LDFLAGS[@]} -xc);
            libs+=(${LIBS[@]})
        ;;
        c+++ld)
            compiler="$(tc-getCXX)";
            filename_in="${T}/test.cc";
            filename_out="${T}/test.exe";
            args+=(${CXXFLAGS[@]} ${LDFLAGS[@]} -xc++);
            libs+=(${LIBS[@]})
        ;;
        f77+ld)
            compiler="$(tc-getF77)";
            filename_in="${T}/test.f";
            filename_out="${T}/test.exe";
            args+=(${FFLAGS[@]} ${LDFLAGS[@]} -xf77);
            libs+=(${LIBS[@]})
        ;;
        f95+ld)
            compiler="$(tc-getFC)";
            filename_in="${T}/test.f90";
            filename_out="${T}/test.exe";
            args+=(${FCFLAGS[@]} ${LDFLAGS[@]} -xf95);
            libs+=(${LIBS[@]})
        ;;
        *)
            die "Unknown compiled language ${lang}"
        ;;
    esac;
    printf "%s\n" "${code}" > "${filename_in}" || die "Failed to create '${test_in}'";
    "${compiler}" ${args[@]} "${filename_in}" -o "${filename_out}" ${libs[@]} &> /dev/null
}
test-flag-CC () 
{ 
    _test-flag-PROG CC c "$@"
}
test-flag-CCLD () 
{ 
    _test-flag-PROG CC c+ld "$@"
}
test-flag-CXX () 
{ 
    _test-flag-PROG CXX c++ "$@"
}
test-flag-F77 () 
{ 
    _test-flag-PROG F77 f77 "$@"
}
test-flag-FC () 
{ 
    _test-flag-PROG FC f95 "$@"
}
test-flag-PROG () 
{ 
    [[ ${EAPI} == 7 ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
    _test-flag-PROG "$@"
}
test-flags () 
{ 
    test-flags-CC "$@"
}
test-flags-CC () 
{ 
    _test-flags-PROG CC "$@"
}
test-flags-CCLD () 
{ 
    _test-flags-PROG CCLD "$@"
}
test-flags-CXX () 
{ 
    _test-flags-PROG CXX "$@"
}
test-flags-F77 () 
{ 
    _test-flags-PROG F77 "$@"
}
test-flags-FC () 
{ 
    _test-flags-PROG FC "$@"
}
test-flags-PROG () 
{ 
    [[ ${EAPI} == 7 ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
    _test-flags-PROG "$@"
}
test_version_info () 
{ 
    if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then
        return 0;
    else
        return 1;
    fi
}