environment

environment (text/plain), 102.36 KB, created by Toralf Förster on 2025-05-11 08:38:20 UTC

declare -x ABI="amd64"
declare -x ABI_MIPS=""
declare -x ABI_S390=""
declare -x ABI_X86="64"
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="app-alternatives/ninja >=dev-build/cmake-3.20.5"
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_13 python_single_target_python3_13 multilib zstd cet"
declare -- BUILD_DIR="/var/tmp/portage/media-libs/glpng-1.46-r1/work/glpng-1.46_build"
declare -x CALLIGRA_FEATURES=""
declare -x CAMERAS=""
declare -x CARGO_TERM_COLOR="never"
declare -x CASROOT="/usr"
declare -x CBUILD="x86_64-pc-linux-gnu"
declare -x CFLAGS="-O3 -pipe -march=native -fno-diagnostics-color -Werror=lto-type-mismatch -Werror=strict-aliasing -Werror=odr -flto"
declare -x CFLAGS_amd64="-m64"
declare -x CFLAGS_default
declare -x CFLAGS_x32="-mx32"
declare -x CFLAGS_x86="-m32 -mfpmath=sse"
declare -x CHOST="x86_64-pc-linux-gnu"
declare -x CHOST_amd64="x86_64-pc-linux-gnu"
declare -x CHOST_default="x86_64-pc-linux-gnu"
declare -x CHOST_x32="x86_64-pc-linux-gnux32"
declare -x CHOST_x86="i686-pc-linux-gnu"
declare -- CMAKE_BINARY="cmake"
declare -- CMAKE_BUILD_TYPE="Gentoo"
declare -x CMAKE_COLOR_DIAGNOSTICS="OFF"
declare -x CMAKE_COLOR_MAKEFILE="OFF"
declare -- CMAKE_ECLASS="cmake"
declare -- CMAKE_MAKEFILE_GENERATOR="ninja"
declare -a CMAKE_REMOVE_MODULES_LIST=([0]="FindBLAS" [1]="FindLAPACK")
declare -- CMAKE_USE_DIR="/var/tmp/portage/media-libs/glpng-1.46-r1/work/glpng"
declare -- CMAKE_VERBOSE="ON"
declare -- CMAKE_WARN_UNUSED_CLI="yes"
declare -x COLLECTD_PLUGINS=""
declare -x CPU_FLAGS_ARM=""
declare -x CPU_FLAGS_PPC=""
declare -x CPU_FLAGS_X86=""
declare -x CSF_GraphicShr="/usr/lib64/opencascade/libTKOpenGl.so"
declare -x CSF_IGESDefaults="/usr/share/opencascade/resources/XSTEPResource"
declare -x CSF_MDTVTexturesDirectory="/usr/share/opencascade/resources/Textures"
declare -x CSF_MIGRATION_TYPES="/usr/share/opencascade/resources/StdResource/MigrationSheet.txt"
declare -x CSF_PluginDefaults="/usr/share/opencascade/resources/StdResource"
declare -x CSF_SHMessage="/usr/share/opencascade/resources/SHMessage"
declare -x CSF_STEPDefaults="/usr/share/opencascade/resources/XSTEPResource"
declare -x CSF_ShadersDirectory="/usr/share/opencascade/resources/Shaders"
declare -x CSF_StandardDefaults="/usr/share/opencascade/resources/StdResource"
declare -x CSF_StandardLiteDefaults="/usr/share/opencascade/resources/StdResource"
declare -x CSF_UnitsDefinition="/usr/share/opencascade/resources/UnitsAPI/Units.dat"
declare -x CSF_XCAFDefaults="/usr/share/opencascade/resources/StdResource"
declare -x CSF_XSMessage="/usr/share/opencascade/resources/XSMessage"
declare -x CSF_XmlOcafResource="/usr/share/opencascade/resources/XmlOcafResource"
declare -x CTARGET_default="x86_64-pc-linux-gnu"
declare -x CURL_QUIC=""
declare -x CURL_SSL=""
declare -x CXXFLAGS="-O3 -pipe -march=native -fno-diagnostics-color -Werror=lto-type-mismatch -Werror=strict-aliasing -Werror=odr -flto"
declare -x DCC_EMAILLOG_WHOM_TO_BLAME=""
declare -x DEFAULT_ABI="amd64"
declare -x DEFINED_PHASES=" compile configure install prepare test"
declare DEPEND=$'\n\tmedia-libs/libpng:0=[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tsys-libs/zlib:=[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tvirtual/glu[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tvirtual/opengl[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n '
declare DESCRIPTION="OpenGL PNG image library"
declare -- DESKTOP_DATABASE_DIR="/usr/share/applications"
declare -x DIROPTIONS="-m0755"
declare -x EAPI="7"
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="1746918536.044101"
declare -- EPOCHSECONDS="1746918536"
declare -x EXEOPTIONS="-m0755"
declare -x FCFLAGS="-O3 -pipe -march=native -fno-diagnostics-color -Werror=lto-type-mismatch -Werror=strict-aliasing -Werror=odr -flto"
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="-O3 -pipe -march=native -fno-diagnostics-color -Werror=lto-type-mismatch -Werror=strict-aliasing -Werror=odr -flto"
declare -x FFTOOLS=""
declare -x GCC_COLORS=""
declare -x GCC_SPECS=""
declare -x GIT_PAGER="cat"
declare -x GPG_VERIFY_GROUP_DROP="nogroup"
declare -x GPG_VERIFY_USER_DROP="nobody"
declare -x GPSD_PROTOCOLS=""
declare -x GRUB_PLATFORMS=""
declare -x GSETTINGS_BACKEND="dconf"
declare -x GUILE_SINGLE_TARGET=""
declare -x GUILE_TARGETS=""
declare HOMEPAGE="https://repo.or.cz/w/glpng.git"
declare IDEPEND=""
declare -x INHERITED=" toolchain-funcs flag-o-matic multiprocessing ninja-utils xdg-utils cmake out-of-source-utils multibuild multilib multilib-build multilib-minimal cmake-multilib"
declare -x INPUT_DEVICES=""
declare -x INSOPTIONS="-m0644"
declare IUSE="static-libs abi_x86_32 abi_x86_64 abi_x86_x32 abi_mips_n32 abi_mips_n64 abi_mips_o32 abi_s390_32 abi_s390_64"
declare -x IUSE_EFFECTIVE="abi_mips_n32 abi_mips_n64 abi_mips_o32 abi_s390_32 abi_s390_64 abi_x86_32 abi_x86_64 abi_x86_x32 alpha amd64 amd64-linux arm arm64 arm64-macos elibc_Darwin elibc_SunOS elibc_bionic elibc_glibc elibc_mingw elibc_musl hppa kernel_Darwin kernel_SunOS kernel_linux loong m68k mips ppc ppc-macos ppc64 ppc64-linux prefix prefix-guest prefix-stack riscv s390 sparc static-libs x64-macos x64-solaris x86 x86-linux"
declare -x IUSE_IMPLICIT="abi_x86_64 prefix prefix-guest prefix-stack"
declare -x JAVAC="/etc/java-config-2/current-system-vm/bin/javac"
declare -x JAVA_HOME="/etc/java-config-2/current-system-vm"
declare -x JDK_HOME="/etc/java-config-2/current-system-vm"
declare -x KERNEL="linux"
declare -x KERNEL_ABI="amd64"
declare -x KEYWORDS="amd64 ppc x86"
declare -x L10N=""
declare -x LANG="C.UTF8"
declare -x LCD_DEVICES=""
declare -x LC_COLLATE="C"
declare -x LC_MESSAGES="C"
declare -x LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,--defsym=__gentoo_check_ldflags__=0 -Werror=lto-type-mismatch -Werror=strict-aliasing -Werror=odr -flto"
declare -x LDFLAGS_amd64="-m elf_x86_64"
declare -x LDFLAGS_default
declare -x LDFLAGS_x32="-m elf32_x86_64"
declare -x LDFLAGS_x86="-m elf_i386"
declare -x LEX="flex"
declare -x LIBDIR_amd64="lib64"
declare -x LIBDIR_default="lib"
declare -x LIBDIR_x32="libx32"
declare -x LIBDIR_x86="lib"
declare -x LIBOPTIONS="-m0644"
declare -x LIBREOFFICE_EXTENSIONS=""
declare -x LICENSE="ZLIB"
declare -x LLVM_SLOT=""
declare -x LLVM_TARGETS=""
declare -x LUA_SINGLE_TARGET=""
declare -x LUA_TARGETS=""
declare -x MAILTO="[e-mail]"
declare -x MAKEOPTS="-O -j4"
declare -x MANPAGER="manpager"
declare -- MIMEINFO_DATABASE_DIR="/usr/share/mime"
declare -x MULTILIB_ABIS="amd64 x86"
declare -x MULTILIB_STRICT_DENY="64-bit.*shared object"
declare -x MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib"
declare -x MULTILIB_STRICT_EXEMPT="(perl5|gcc|binutils|eclipse-3|debug|portage|udev|systemd|clang|python-exec|llvm)"
declare -- MULTILIB_USEDEP="abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?"
declare -x NGINX_MODULES_HTTP=""
declare -x NGINX_MODULES_MAIL=""
declare -x NGINX_MODULES_STREAM=""
declare -- NINJA="ninja"
declare -- NINJA_DEPEND="app-alternatives/ninja"
declare -- NINJA_VERBOSE="ON"
declare -x OCAML_COLOR="never"
declare -x OFFICE_IMPLEMENTATION=""
declare -x OMP_DYNAMIC="FALSE"
declare -x OMP_NESTED="FALSE"
declare -x OMP_NUM_THREADS="4"
declare -x OPENMPI_FABRICS=""
declare -x OPENMPI_OFED_FEATURES=""
declare -x OPENMPI_RM=""
declare -x ORACLE_HOME="/usr/lib64/oracle/client"
declare -x PATH="/usr/lib/portage/python3.13/ebuild-helpers/xattr:/usr/lib/portage/python3.13/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/bin:/usr/lib/llvm/20/bin:/usr/lib/llvm/19/bin:/usr/lib64/subversion/bin:/etc/eselect/wine/bin:/usr/lib64/opencascade/bin:/var/lib/bin:/opt/zookeeper-bin/bin"
declare PDEPEND=""
declare -x PERL_FEATURES=""
declare -x PHP_TARGETS=""
declare -x PKGSYSTEM_ENABLE_FSYNC="0"
declare -x PORTAGE_BZIP2_COMMAND="bzip2"
declare -x PORTAGE_COMPRESSION_COMMAND="zstd -T4"
declare -a PORTAGE_DOCOMPRESS=([0]="/usr/share/doc" [1]="/usr/share/info" [2]="/usr/share/man")
declare -x PORTAGE_DOCOMPRESS_SIZE_LIMIT="128"
declare -a PORTAGE_DOCOMPRESS_SKIP=([0]="/usr/share/doc/glpng-1.46-r1/html")
declare -a PORTAGE_DOSTRIP=([0]="/")
declare -a PORTAGE_DOSTRIP_SKIP=()
declare -x PORTAGE_REPO_REVISIONS="{\"gentoo\": \"12cbdb748979694a7c102efa6c3a16a0a9da9e4a\"}"
declare -x PORT_LOGDIR="/var/log/portage"
declare -x POSTGRES_TARGETS=""
declare -x PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL"
declare -- PROPERTIES=""
declare -x PYTEST_ADDOPTS="--color=no"
declare -x PYTHIA8DATA="/usr/share/Pythia8/xmldoc"
declare -x PYTHONDOCS_3_13="/usr/share/doc/python-docs-3.13.3/html/library"
declare -x PYTHONDONTWRITEBYTECODE="1"
declare -x PYTHON_SINGLE_TARGET=""
declare -x PYTHON_TARGETS=""
declare -x PY_FORCE_COLOR="0"
declare -x QEMU_SOFTMMU_TARGETS=""
declare -x QEMU_USER_TARGETS=""
declare RDEPEND=$'\n\tmedia-libs/libpng:0=[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tsys-libs/zlib:=[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tvirtual/glu[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n\tvirtual/opengl[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_s390_32(-)?,abi_s390_64(-)?]\n '
declare REPOSITORY
declare REQUIRED_USE=""
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 RUST_TEST_TASKS="4"
declare -x RUST_TEST_THREADS="4"
declare -x S="/var/tmp/portage/media-libs/glpng-1.46-r1/work/glpng"
declare -x SANDBOX_DEBUG="0"
declare -x SANDBOX_DENY=""
declare -x SANDBOX_METHOD="any"
declare -x SANDBOX_PREDICT="/var/tmp/portage/media-libs/glpng-1.46-r1/homedir:/dev/crypto:/var/cache/man:/dev/random:/proc/self/coredump_filter:/dev/random:/proc/self/coredump_filter:/dev/random:/proc/self/coredump_filter:/var/cache/fontconfig:/dev/nvidiactl:/dev/nvidia-uvm:/dev/ati/card:/dev/dri/card:/dev/dri/card0:/dev/dri/renderD128"
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-libs/glpng-1.46-r1/homedir/.bash_history"
declare -x SANE_BACKENDS=""
declare -x SHELL="/bin/bash"
declare -x SLOT="0"
declare -i SRANDOM="2093005300"
declare SRC_URI="https://repo.or.cz/w/glpng.git/snapshot/v1.46.tar.gz -> glpng-1.46.tar.gz"
declare -x SSH_ASKPASS="/usr/bin/ssh-askpass-fullscreen"
declare -x SYMLINK_LIB="no"
declare -x TERMINFO="/etc/terminfo"
declare -x TNS_ADMIN="/etc/oracle/"
declare -x TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
declare -x UNCACHED_ERR_FD=""
declare -x USE="abi_x86_64 amd64 elibc_glibc kernel_linux"
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 VGL_READBACK="pbo"
declare -x VIDEO_CARDS=""
declare -x VOICEMAIL_STORAGE=""
declare -x WCDHOME="/root/.wcd"
declare -x XDG_CONFIG_DIRS="/etc/xdg:/usr/share"
declare -x XDG_DATA_DIRS="/usr/local/share:/usr/share:/etc/eselect/wine/share"
declare -x XTABLES_ADDONS=""
declare -x XZ_OPT="-9 -T4"
declare -- _CMAKE_ECLASS="1"
declare -- _CMAKE_MULTILIB_ECLASS="1"
declare -- _CMAKE_SRC_PREPARE_HAS_RUN="1"
declare -- _FLAG_O_MATIC_ECLASS="1"
declare -- _MULTIBUILD_ECLASS="1"
declare -- _MULTILIB_BUILD_ECLASS="1"
declare -- _MULTILIB_ECLASS="1"
declare -a _MULTILIB_FLAGS=([0]="abi_x86_32:x86,x86_fbsd,x86_freebsd,x86_linux,x86_macos,x86_solaris" [1]="abi_x86_64:amd64,amd64_fbsd,x64_freebsd,amd64_linux,x64_macos,x64_solaris" [2]="abi_x86_x32:x32" [3]="abi_mips_n32:n32" [4]="abi_mips_n64:n64" [5]="abi_mips_o32:o32" [6]="abi_s390_32:s390" [7]="abi_s390_64:s390x")
declare -- _MULTILIB_MINIMAL_ECLASS="1"
declare -- _MULTIPROCESSING_ECLASS="1"
declare -- _NINJA_UTILS_ECLASS="1"
declare -- _OUT_OF_SOURCE_UTILS_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 -x gl_cv_compiler_check_decl_option="-Werror=implicit-function-declaration"
declare -x gl_cv_func_getcwd_path_max="yes"
declare -- load="40"
declare -x name="23.0_desktop-20250507-005502"
declare -- vcpu="32"
SwitchGCC () 
{ 
    local highest=$(gcc-config --list-profiles --nocolor | cut -f 3 -d ' ' -s | grep -E 'x86_64-(pc|gentoo)-linux-(gnu|musl)-[0-9]+$' | tail -n 1);
    if [[ -z $highest ]]; then
        Mail "cannot get GCC version";
        return;
    fi;
    if [[ $(gcc-config --get-current-profile --nocolor) != "$highest" ]]; then
        local v;
        v=$(gcc -dumpversion);
        gcc-config --nocolor $highest;
        source_profile;
        add2backlog "%emerge -1 --selective=n --deep=0 -u dev-build/libtool";
        if grep -q '^LIBTOOL="rdlibtool"' /etc/portage/make.conf; then
            add2backlog "dev-build/slibtool";
        fi;
        add2backlog "%emerge --unmerge sys-devel/gcc:$(cut -f 1 -d '.' <<< $v)";
    fi
}
declare -fx SwitchGCC
__tinderbox_checkEOL () 
{ 
    if [[ -f /var/tmp/tb/EOL || -f /var/tmp/tb/STOP ]]; then
        exit 42;
    fi
}
_clang_fullversion () 
{ 
    local ver="$1";
    shift;
    set -- $($(tc-getCC "$@") -E -P - <<< "__clang_major__ __clang_minor__ __clang_patchlevel__");
    eval echo "${ver}"
}
_cmake_banned_func () 
{ 
    die "${FUNCNAME[1]} is banned. use -D$1<related_CMake_variable>=\"\$(usex $2)\" instead"
}
_cmake_check_build_dir () 
{ 
    if [[ ${EAPI} == 7 ]]; then
        : "${CMAKE_USE_DIR:=${S}}";
    else
        : "${CMAKE_USE_DIR:=${PWD}}";
    fi;
    if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
        BUILD_DIR="${CMAKE_USE_DIR}";
    else
        : "${BUILD_DIR:=${CMAKE_USE_DIR}_build}";
        if [[ ${S} == "${WORKDIR}" && ${BUILD_DIR} == "${WORKDIR}_build" ]]; then
            eqawarn "QA Notice: S=WORKDIR is deprecated for cmake.eclass.";
            eqawarn "Please relocate the sources in src_unpack.";
            BUILD_DIR="${WORKDIR}"/${P}_build;
        fi;
    fi;
    einfo "Source directory (CMAKE_USE_DIR): \"${CMAKE_USE_DIR}\"";
    einfo "Build directory  (BUILD_DIR):     \"${BUILD_DIR}\"";
    mkdir -p "${BUILD_DIR}" || die
}
_cmake_modify-cmakelists () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    grep -qs "<<< Gentoo configuration >>>" "${CMAKE_USE_DIR}"/CMakeLists.txt && return 0;
    find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec sed -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE\([[:space:]].*)\|)\)/I{s/^/#_cmake_modify_IGNORE /g}' -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_COLOR_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' -e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_VERBOSE_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' -i {} + || die "${LINENO}: failed to disable hardcoded settings";
    local x;
    for x in $(find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec grep -l "^#_cmake_modify_IGNORE" {} +);
    do
        einfo "Hardcoded definition(s) removed in $(echo "${x}" | cut -c $((${#CMAKE_USE_DIR}+2))-):";
        einfo "$(grep -se '^#_cmake_modify_IGNORE' ${x} | cut -c 22-99)";
    done;
    cat >> "${CMAKE_USE_DIR}"/CMakeLists.txt <<-_EOF_ || 

message(STATUS "<<< Gentoo configuration >>>
Build type      \${CMAKE_BUILD_TYPE}
Install path    \${CMAKE_INSTALL_PREFIX}
Compiler flags:
C               \${CMAKE_C_FLAGS}
C++             \${CMAKE_CXX_FLAGS}
Linker flags:
Executable      \${CMAKE_EXE_LINKER_FLAGS}
Module          \${CMAKE_MODULE_LINKER_FLAGS}
Shared          \${CMAKE_SHARED_LINKER_FLAGS}\n")
_EOF_
 die
}
_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
}
_multilib_multibuild_wrapper () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local ABI=${MULTIBUILD_VARIANT#*.};
    local -r MULTILIB_ABI_FLAG=${MULTIBUILD_VARIANT%.*};
    multilib_toolchain_setup "${ABI}";
    readonly ABI;
    "${@}"
}
_setup-allowed-flags () 
{ 
    ALLOWED_FLAGS=(-pipe -O '-O[123szg]' '-mcpu=*' '-march=*' '-mtune=*' '-mfpmath=*' -flto '-flto=*' -fno-lto -ffat-lto-objects '-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=*')
}
_tc-getPROG () 
{ 
    local tuple=$1;
    local v var vars=$2;
    local prog=($3);
    var=${vars%% *};
    for v in ${vars};
    do
        if [[ -n ${!v} ]]; then
            export ${var}="${!v}";
            echo "${!v}";
            return 0;
        fi;
    done;
    local search=;
    [[ -n $4 ]] && search=$(type -p $4-${prog[0]});
    [[ -z ${search} && -n ${!tuple} ]] && search=$(type -p ${!tuple}-${prog[0]});
    [[ -n ${search} ]] && prog[0]=${search##*/};
    export ${var}="${prog[*]}";
    echo "${!var}"
}
_tc-has-openmp () 
{ 
    local base="${T}/test-tc-openmp";
    cat <<-EOF > "${base}.c"
#include <omp.h>
int main(void) {
int nthreads, tid, ret = 0;
#pragma omp parallel private(nthreads, tid)
{
tid = omp_get_thread_num();
nthreads = omp_get_num_threads();
ret += tid + nthreads;
}
return ret;
}
EOF

    $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null;
    local ret=$?;
    rm -f "${base}"*;
    return ${ret}
}
_test-flag-PROG () 
{ 
    local comp=$1;
    local lang=$2;
    shift 2;
    if [[ -z ${comp} ]]; then
        return 1;
    fi;
    if [[ -z $1 ]]; then
        return 1;
    fi;
    comp=($(tc-get${comp}));
    if ! type -p ${comp[0]} > /dev/null; then
        return 1;
    fi;
    local in_src in_ext cmdline_extra=();
    case "${lang}" in 
        c)
            in_ext='c';
            in_src='int main(void) { return 0; }';
            cmdline_extra+=(-xc -c)
        ;;
        c++)
            in_ext='cc';
            in_src='int main(void) { return 0; }';
            cmdline_extra+=(-xc++ -c)
        ;;
        f77)
            in_ext='f';
            in_src='      end';
            cmdline_extra+=(-xf77 -c)
        ;;
        f95)
            in_ext='f90';
            in_src='end';
            cmdline_extra+=(-xf95 -c)
        ;;
        c+ld)
            in_ext='c';
            in_src='int main(void) { return 0; }';
            if is-ldflagq -fuse-ld=*; then
                fuse_ld_value=$(get-flag -fuse-ld=*);
                cmdline_extra+=(${fuse_ld_value});
            fi;
            cmdline_extra+=(-xc)
        ;;
    esac;
    local test_in=${T}/test-flag.${in_ext};
    local test_out=${T}/test-flag.exe;
    printf "%s\n" "${in_src}" > "${test_in}" || die "Failed to create '${test_in}'";
    local cmdline=("${comp[@]}" -Werror "$@" "${cmdline_extra[@]}" "${test_in}" -o "${test_out}");
    "${cmdline[@]}" &> /dev/null
}
_test-flags-PROG () 
{ 
    local comp=$1;
    local flags=();
    local x;
    shift;
    [[ -z ${comp} ]] && return 1;
    while (( $# )); do
        case "$1" in 
            --param | -B)
                if test-flag-${comp} "$1" "$2"; then
                    flags+=("$1" "$2");
                fi;
                shift 2
            ;;
            *)
                if test-flag-${comp} "$1"; then
                    flags+=("$1");
                fi;
                shift 1
            ;;
        esac;
    done;
    echo "${flags[*]}";
    [[ ${#flags[@]} -gt 0 ]]
}
add2backlog () 
{ 
    local bl=/var/tmp/tb/backlog.1st;
    if [[ $1 == '@preserved-rebuild' ]]; then
        sed -i -e "/$1/d" $bl;
        if [[ -s $bl ]]; then
            sed -i -e "1 i$1" $bl;
        else
            echo "$1" >> $bl;
        fi;
    else
        if [[ $1 =~ "emerge -e @world" ]]; then
            echo "%emerge --resume" >> $bl;
        else
            sed -i -e "/^$(sed -e 's,/,\\/,g' <<< $1)$/d" $bl;
            echo "$1" >> $bl;
        fi;
    fi;
    if [[ $1 != "%SwitchGCC" ]] && grep -q '%SwitchGCC' $bl; then
        sed -i -e '/%SwitchGCC/d' $bl;
        echo "%SwitchGCC" >> $bl;
    fi
}
declare -fx add2backlog
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
}
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.$2' "$@"
}
cmake-multilib_src_compile () 
{ 
    local _cmake_args=("${@}");
    multilib-minimal_src_compile
}
cmake-multilib_src_configure () 
{ 
    local _cmake_args=("${@}");
    multilib-minimal_src_configure
}
cmake-multilib_src_install () 
{ 
    local _cmake_args=("${@}");
    multilib-minimal_src_install
}
cmake-multilib_src_test () 
{ 
    local _cmake_args=("${@}");
    multilib-minimal_src_test
}
cmake-utils_src_make () 
{ 
    die "cmake-utils_src_make is banned. Use cmake_build instead"
}
cmake-utils_use () 
{ 
    _cmake_banned_func "" "$@"
}
cmake-utils_use_build () 
{ 
    _cmake_banned_func BUILD_ "$@"
}
cmake-utils_use_disable () 
{ 
    _cmake_banned_func DISABLE_ "$@"
}
cmake-utils_use_enable () 
{ 
    _cmake_banned_func ENABLE_ "$@"
}
cmake-utils_use_has () 
{ 
    _cmake_banned_func HAVE_ "$@"
}
cmake-utils_use_no () 
{ 
    _cmake_banned_func NO_ "$@"
}
cmake-utils_use_use () 
{ 
    _cmake_banned_func USE_ "$@"
}
cmake-utils_use_want () 
{ 
    _cmake_banned_func WANT_ "$@"
}
cmake-utils_use_with () 
{ 
    _cmake_banned_func WITH_ "$@"
}
cmake-utils_useno () 
{ 
    _cmake_banned_func "" "$@"
}
cmake_build () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _cmake_check_build_dir;
    pushd "${BUILD_DIR}" > /dev/null || die;
    case ${CMAKE_MAKEFILE_GENERATOR} in 
        emake)
            [[ -e Makefile ]] || die "Makefile not found. Error during configure stage.";
            case ${CMAKE_VERBOSE} in 
                OFF)
                    emake "$@"
                ;;
                *)
                    emake VERBOSE=1 "$@"
                ;;
            esac
        ;;
        ninja)
            [[ -e build.ninja ]] || die "build.ninja not found. Error during configure stage.";
            case ${CMAKE_VERBOSE} in 
                OFF)
                    NINJA_VERBOSE=OFF eninja "$@"
                ;;
                *)
                    eninja "$@"
                ;;
            esac
        ;;
    esac;
    popd > /dev/null || die
}
cmake_comment_add_subdirectory () 
{ 
    if [[ -z ${1} ]]; then
        die "${FUNCNAME[0]} must be passed at least one directory name to comment";
    fi;
    [[ -e "CMakeLists.txt" ]] || return;
    local d;
    for d in $@;
    do
        d=${d//\//\\/};
        sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${d}[[:space:]]*)/I s/^/#DONOTCOMPILE /" -i CMakeLists.txt || die "failed to comment add_subdirectory(${d})";
    done
}
cmake_run_in () 
{ 
    if [[ -z ${2} ]]; then
        die "${FUNCNAME[0]} must be passed at least two arguments";
    fi;
    [[ -e ${1} ]] || die "${FUNCNAME[0]}: Nonexistent path: ${1}";
    pushd ${1} > /dev/null || die;
    "${@:2}";
    popd > /dev/null || die
}
cmake_src_compile () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    cmake_build "$@"
}
cmake_src_configure () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${_CMAKE_SRC_PREPARE_HAS_RUN} ]] || die "FATAL: cmake_src_prepare has not been run";
    _cmake_check_build_dir;
    xdg_environment_reset;
    local build_rules=${BUILD_DIR}/gentoo_rules.cmake;
    cat > "${build_rules}" <<-_EOF_ || 
set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "ASM compile command" FORCE)
set(CMAKE_ASM-ATT_COMPILE_OBJECT "<CMAKE_ASM-ATT_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c -x assembler <SOURCE>" CACHE STRING "ASM-ATT compile command" FORCE)
set(CMAKE_ASM-ATT_LINK_FLAGS "-nostdlib" CACHE STRING "ASM-ATT link flags" FORCE)
set(CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C compile command" FORCE)
set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C++ compile command" FORCE)
set(CMAKE_Fortran_COMPILE_OBJECT "<CMAKE_Fortran_COMPILER> <DEFINES> <INCLUDES> ${FCFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "Fortran compile command" FORCE)
_EOF_
 die
    local myCC=$(tc-getCC) myCXX=$(tc-getCXX) myFC=$(tc-getFC);
    local toolchain_file=${BUILD_DIR}/gentoo_toolchain.cmake;
    cat > ${toolchain_file} <<-_EOF_ || 
set(CMAKE_ASM_COMPILER "${myCC/ /;}")
set(CMAKE_ASM-ATT_COMPILER "${myCC/ /;}")
set(CMAKE_C_COMPILER "${myCC/ /;}")
set(CMAKE_CXX_COMPILER "${myCXX/ /;}")
set(CMAKE_Fortran_COMPILER "${myFC/ /;}")
set(CMAKE_AR $(type -P $(tc-getAR)) CACHE FILEPATH "Archive manager" FORCE)
set(CMAKE_RANLIB $(type -P $(tc-getRANLIB)) CACHE FILEPATH "Archive index generator" FORCE)
set(CMAKE_SYSTEM_PROCESSOR "${CHOST%%-*}")
_EOF_
 die
    local -x ASMFLAGS=${CFLAGS};
    local -x PKG_CONFIG=$(tc-getPKG_CONFIG);
    if tc-is-cross-compiler; then
        local sysname;
        case "${KERNEL:-linux}" in 
            Cygwin)
                sysname="CYGWIN_NT-5.1"
            ;;
            HPUX)
                sysname="HP-UX"
            ;;
            linux)
                sysname="Linux"
            ;;
            Winnt)
                sysname="Windows";
                cat >> "${toolchain_file}" <<-_EOF_ || 
set(CMAKE_RC_COMPILER $(tc-getRC))
_EOF_
 die
            ;;
            *)
                sysname="${KERNEL}"
            ;;
        esac
        cat >> "${toolchain_file}" <<-_EOF_ || 
set(CMAKE_SYSTEM_NAME "${sysname}")
_EOF_
 die;
    fi
    if [[ ${SYSROOT:-/} != / ]]; then
        cat >> "${toolchain_file}" <<-_EOF_ || 
set(CMAKE_SYSROOT "${ESYSROOT}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
_EOF_
 die;
    fi
    if use prefix-guest; then
        cat >> "${build_rules}" <<-_EOF_ || 
# in Prefix we need rpath and must ensure cmake gets our default linker path
# right ... except for Darwin hosts
if(NOT APPLE)
set(CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
set(CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH "${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)" CACHE STRING "" FORCE)
else()
set(CMAKE_PREFIX_PATH "${EPREFIX}/usr" CACHE STRING "" FORCE)
set(CMAKE_MACOSX_RPATH ON CACHE BOOL "" FORCE)
set(CMAKE_SKIP_BUILD_RPATH OFF CACHE BOOL "" FORCE)
set(CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE BOOL "" FORCE)
endif()
_EOF_
 die;
    fi
    local common_config=${BUILD_DIR}/gentoo_common_config.cmake;
    local libdir=$(get_libdir);
    cat > "${common_config}" <<-_EOF_ || 
set(CMAKE_GENTOO_BUILD ON CACHE BOOL "Indicate Gentoo package build")
set(LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE)
set(CMAKE_INSTALL_LIBDIR ${libdir} CACHE PATH "Output directory for libraries")
set(CMAKE_INSTALL_INFODIR "${EPREFIX}/usr/share/info" CACHE PATH "")
set(CMAKE_INSTALL_MANDIR "${EPREFIX}/usr/share/man" CACHE PATH "")
set(CMAKE_USER_MAKE_RULES_OVERRIDE "${build_rules}" CACHE FILEPATH "Gentoo override rules")
set(CMAKE_INSTALL_DOCDIR "${EPREFIX}/usr/share/doc/${PF}" CACHE PATH "")
set(BUILD_SHARED_LIBS ON CACHE BOOL "")
set(Python3_FIND_UNVERSIONED_NAMES FIRST CACHE STRING "")
set(CMAKE_DISABLE_PRECOMPILE_HEADERS ON CACHE BOOL "")
set(CMAKE_TLS_VERIFY ON CACHE BOOL "")
set(CMAKE_COMPILE_WARNING_AS_ERROR OFF CACHE BOOL "")
_EOF_
 die
    if [[ -n ${_ECM_ECLASS} ]]; then
        cat >> ${common_config} <<-_EOF_ || 
set(ECM_DISABLE_QMLPLUGINDUMP ON CACHE BOOL "")
set(ECM_DISABLE_APPSTREAMTEST ON CACHE BOOL "")
set(ECM_DISABLE_GIT ON CACHE BOOL "")
_EOF_
 die;
    fi
    if [[ "${ARCH}" == riscv ]]; then
        echo 'set(CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX '"${libdir#lib}"' CACHE STRING "library search suffix" FORCE)' >> "${common_config}" || die;
    fi;
    if [[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]]; then
        echo 'set(CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}" || die;
    fi;
    if [[ ${EAPI} != 7 ]]; then
        echo 'set(CMAKE_INSTALL_ALWAYS 1)' >> "${common_config}" || die;
    fi;
    if [[ ${CMAKE_BUILD_TYPE} != Gentoo ]]; then
        cat >> ${common_config} <<-_EOF_ || 
set(CMAKE_ASM_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_ASM-ATT_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_Fortran_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_MODULE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
set(CMAKE_STATIC_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
_EOF_
 die;
    fi
    [[ -z ${mycmakeargs} ]] && declare -a mycmakeargs=();
    local mycmakeargstype=$(declare -p mycmakeargs 2>&-);
    if [[ "${mycmakeargstype}" != "declare -a mycmakeargs="* ]]; then
        die "mycmakeargs must be declared as array";
    fi;
    local mycmakeargs_local=("${mycmakeargs[@]}");
    local warn_unused_cli="";
    if [[ ${CMAKE_WARN_UNUSED_CLI} == no ]]; then
        warn_unused_cli="--no-warn-unused-cli";
    fi;
    local generator_name;
    case ${CMAKE_MAKEFILE_GENERATOR} in 
        ninja)
            generator_name="Ninja"
        ;;
        emake)
            generator_name="Unix Makefiles"
        ;;
    esac;
    local cmakeargs=(${warn_unused_cli} -C "${common_config}" -G "${generator_name}" -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr" "${mycmakeargs_local[@]}" -DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}" -DCMAKE_TOOLCHAIN_FILE="${toolchain_file}");
    eval "local -a MYCMAKEARGS=( ${MYCMAKEARGS} )";
    cmakeargs+=("${MYCMAKEARGS[@]}");
    if [[ -n "${CMAKE_EXTRA_CACHE_FILE}" ]]; then
        cmakeargs+=(-C "${CMAKE_EXTRA_CACHE_FILE}");
    fi;
    pushd "${BUILD_DIR}" > /dev/null || die;
    debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is ${mycmakeargs_local[*]}";
    echo "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}";
    "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}" || die "cmake failed";
    popd > /dev/null || die
}
cmake_src_install () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    DESTDIR="${D}" cmake_build install "$@";
    if [[ ${EAPI} == 7 ]]; then
        pushd "${S}" > /dev/null || die;
        einstalldocs;
        popd > /dev/null || die;
    else
        pushd "${CMAKE_USE_DIR}" > /dev/null || die;
        einstalldocs;
        popd > /dev/null || die;
    fi
}
cmake_src_prepare () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    if [[ ${EAPI} == 7 ]]; then
        pushd "${S}" > /dev/null || die;
    fi;
    _cmake_check_build_dir;
    default_src_prepare;
    if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]]; then
        eerror "Unable to locate CMakeLists.txt under:";
        eerror "\"${CMAKE_USE_DIR}/CMakeLists.txt\"";
        eerror "Consider not inheriting the cmake eclass.";
        die "FATAL: Unable to find CMakeLists.txt";
    fi;
    local modules_list;
    if [[ ${EAPI} == 7 && $(declare -p CMAKE_REMOVE_MODULES_LIST) != "declare -a"* ]]; then
        modules_list=(${CMAKE_REMOVE_MODULES_LIST});
    else
        modules_list=("${CMAKE_REMOVE_MODULES_LIST[@]}");
    fi;
    local name;
    for name in "${modules_list[@]}";
    do
        if [[ ${EAPI} == 7 ]]; then
            find "${S}" -name "${name}.cmake" -exec rm -v {} + || die;
        else
            find -name "${name}.cmake" -exec rm -v {} + || die;
        fi;
    done;
    _cmake_modify-cmakelists;
    if [[ ${EAPI} == 7 ]]; then
        popd > /dev/null || die;
    fi;
    if [[ -n ${CMAKE_QA_SRC_DIR_READONLY} && ! -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
        if [[ ${EAPI} == 7 ]]; then
            chmod -R a-w "${S}";
        else
            chmod -R a-w "${CMAKE_USE_DIR}";
        fi;
    fi;
    _CMAKE_SRC_PREPARE_HAS_RUN=1
}
cmake_src_test () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    _cmake_check_build_dir;
    pushd "${BUILD_DIR}" > /dev/null || die;
    [[ -e CTestTestfile.cmake ]] || { 
        echo "No tests found. Skipping.";
        return 0
    };
    [[ -n ${TEST_VERBOSE} ]] && myctestargs+=(--extra-verbose --output-on-failure);
    [[ -n ${CMAKE_SKIP_TESTS} ]] && myctestargs+=(-E '('$(IFS='|'; echo "${CMAKE_SKIP_TESTS[*]}")')');
    set -- ctest -j "${CTEST_JOBS:-$(get_makeopts_jobs 999)}" --test-load "${CTEST_LOADAVG:-$(get_makeopts_loadavg)}" "${myctestargs[@]}" "$@";
    echo "$@" 1>&2;
    if "$@"; then
        einfo "Tests succeeded.";
        popd > /dev/null || die;
        return 0;
    else
        if [[ -n "${CMAKE_YES_I_WANT_TO_SEE_THE_TEST_LOG}" ]]; then
            eerror "Tests failed. Test log ${BUILD_DIR}/Testing/Temporary/LastTest.log follows:";
            eerror "--START TEST LOG--------------------------------------------------------------";
            cat "${BUILD_DIR}/Testing/Temporary/LastTest.log";
            eerror "--END TEST LOG----------------------------------------------------------------";
            die "Tests failed.";
        else
            die "Tests failed. When you file a bug, please attach the following file: \n\t${BUILD_DIR}/Testing/Temporary/LastTest.log";
        fi;
        popd > /dev/null || die;
        return 1;
    fi
}
cmake_use_find_package () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    if [[ "$#" != 2 || -z $1 ]]; then
        die "Usage: cmake_use_find_package <USE flag> <package name>";
    fi;
    echo "-DCMAKE_DISABLE_FIND_PACKAGE_$2=$(use $1 && echo OFF || echo ON)"
}
comment_add_subdirectory () 
{ 
    die "comment_add_subdirectory is banned. Use cmake_comment_add_subdirectory instead"
}
econf_build () 
{ 
    local CBUILD=${CBUILD:-${CHOST}};
    function econf_env () 
    { 
        CHOST=${CBUILD} econf "$@"
    };
    tc-env_build econf_env "$@"
}
eninja () 
{ 
    case "${NINJA}" in 
        ninja | samu)

        ;;
        *)
            ewarn "Unknown value '${NINJA}' for \${NINJA}"
        ;;
    esac;
    local v;
    case "${NINJA_VERBOSE}" in 
        OFF)

        ;;
        *)
            v="-v"
        ;;
    esac;
    set -- "${NINJA}" ${v} $(get_NINJAOPTS) "$@";
    echo "$@" 1>&2;
    "$@" || die -n "${*} failed"
}
filter-flags () 
{ 
    _filter-hardened "$@";
    local v;
    for v in $(all-flag-vars);
    do
        _filter-var ${v} "$@";
    done;
    return 0
}
filter-ldflags () 
{ 
    _filter-var LDFLAGS "$@";
    return 0
}
filter-lfs-flags () 
{ 
    [[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments";
    filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_TIME_BITS=64
}
filter-lto () 
{ 
    [[ $# -ne 0 ]] && die "filter-lto takes no arguments";
    filter-flags '-flto*' -fwhole-program-vtables '-fsanitize=cfi*'
}
filter-mfpmath () 
{ 
    local orig_mfpmath new_math prune_math;
    orig_mfpmath=$(get-flag -mfpmath);
    new_math=$(get-flag mfpmath);
    new_math=${new_math/both/387,sse};
    new_math=" ${new_math//[,+]/ } ";
    prune_math="";
    for prune_math in "$@";
    do
        new_math=${new_math/ ${prune_math} / };
    done;
    new_math=$(echo ${new_math});
    new_math=${new_math// /,};
    if [[ -z ${new_math} ]]; then
        filter-flags ${orig_mfpmath};
    else
        replace-flags ${orig_mfpmath} -mfpmath=${new_math};
    fi;
    return 0
}
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_NINJAOPTS () 
{ 
    if [[ -z ${NINJAOPTS+set} ]]; then
        NINJAOPTS="-j$(get_makeopts_jobs 999) -l$(get_makeopts_loadavg 0)";
    fi;
    echo "${NINJAOPTS}"
}
get_abi_CFLAGS () 
{ 
    get_abi_var CFLAGS "$@"
}
get_abi_CHOST () 
{ 
    get_abi_var CHOST "$@"
}
get_abi_CTARGET () 
{ 
    get_abi_var CTARGET "$@"
}
get_abi_FAKE_TARGETS () 
{ 
    get_abi_var FAKE_TARGETS "$@"
}
get_abi_LDFLAGS () 
{ 
    get_abi_var LDFLAGS "$@"
}
get_abi_LIBDIR () 
{ 
    get_abi_var LIBDIR "$@"
}
get_abi_var () 
{ 
    local flag=$1;
    local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}};
    local var="${flag}_${abi}";
    echo ${!var}
}
get_all_abis () 
{ 
    local x order="" mvar dvar;
    mvar="MULTILIB_ABIS";
    dvar="DEFAULT_ABI";
    if [[ -n $1 ]]; then
        mvar="$1_${mvar}";
        dvar="$1_${dvar}";
    fi;
    if [[ -z ${!mvar} ]]; then
        echo "default";
        return 0;
    fi;
    for x in ${!mvar};
    do
        if [[ ${x} != ${!dvar} ]]; then
            order="${order:+${order} }${x}";
        fi;
    done;
    order="${order:+${order} }${!dvar}";
    echo ${order};
    return 0
}
get_all_libdirs () 
{ 
    local libdirs abi;
    for abi in ${MULTILIB_ABIS};
    do
        libdirs+=" $(get_abi_LIBDIR ${abi})";
    done;
    [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib";
    echo "${libdirs}"
}
get_exeext () 
{ 
    case ${CHOST} in 
        mingw* | *-mingw*)
            echo ".exe"
        ;;
    esac
}
get_install_abis () 
{ 
    local x order="";
    if [[ -z ${MULTILIB_ABIS} ]]; then
        echo "default";
        return 0;
    fi;
    if [[ ${EMULTILIB_PKG} == "true" ]]; then
        for x in ${MULTILIB_ABIS};
        do
            if [[ ${x} != "${DEFAULT_ABI}" ]]; then
                has ${x} ${ABI_DENY} || order="${order} ${x}";
            fi;
        done;
        has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}";
        if [[ -n ${ABI_ALLOW} ]]; then
            local ordera="";
            for x in ${order};
            do
                if has ${x} ${ABI_ALLOW}; then
                    ordera="${ordera} ${x}";
                fi;
            done;
            order=${ordera};
        fi;
    else
        order=${DEFAULT_ABI};
    fi;
    if [[ -z ${order} ]]; then
        die "The ABI list is empty.  Are you using a proper multilib profile?  Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package.";
    fi;
    echo ${order};
    return 0
}
get_libname () 
{ 
    local libname;
    local ver=$1;
    case ${CHOST} in 
        mingw* | *-mingw*)
            libname="dll"
        ;;
        *-darwin*)
            libname="dylib"
        ;;
        *)
            libname="so"
        ;;
    esac;
    if [[ -z $* ]]; then
        echo ".${libname}";
    else
        for ver in "$@";
        do
            case ${CHOST} in 
                *-darwin*)
                    echo ".${ver}.${libname}"
                ;;
                *)
                    echo ".${libname}.${ver}"
                ;;
            esac;
        done;
    fi
}
get_makeopts_jobs () 
{ 
    makeopts_jobs "$(_get_all_makeopts)" "${1:-1}"
}
get_makeopts_loadavg () 
{ 
    makeopts_loadavg "$(_get_all_makeopts)" "${1:-999}"
}
get_modname () 
{ 
    local modname;
    local ver=$1;
    case ${CHOST} in 
        *-darwin*)
            modname="bundle"
        ;;
        *)
            modname="so"
        ;;
    esac;
    echo ".${modname}"
}
get_nproc () 
{ 
    local nproc;
    if type -P nproc &> /dev/null; then
        nproc=$(nproc);
    fi;
    if [[ -z ${nproc} ]] && type -P sysctl &> /dev/null; then
        nproc=$(sysctl -n hw.ncpu 2> /dev/null);
    fi;
    if [[ -z ${nproc} ]] && type -P python &> /dev/null; then
        nproc=$(python -c 'import multiprocessing; print(multiprocessing.cpu_count());' 2> /dev/null);
    fi;
    if [[ -n ${nproc} ]]; then
        echo "${nproc}";
    else
        echo "${1:-1}";
    fi
}
has_multilib_profile () 
{ 
    [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
}
is-flag () 
{ 
    is-flagq "$@" && echo true
}
is-flagq () 
{ 
    [[ -n $2 ]] && die "Usage: is-flag <flag>";
    local var;
    for var in $(all-flag-vars);
    do
        _is_flagq ${var} "$1" && return 0;
    done;
    return 1
}
is-ldflag () 
{ 
    is-ldflagq "$@" && echo true
}
is-ldflagq () 
{ 
    [[ -n $2 ]] && die "Usage: is-ldflag <flag>";
    _is_flagq LDFLAGS $1
}
is_final_abi () 
{ 
    has_multilib_profile || return 0;
    set -- $(get_install_abis);
    local LAST_ABI=$#;
    [[ ${!LAST_ABI} == ${ABI} ]]
}
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}}
}
multibuild_copy_sources () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local _MULTIBUILD_INITIAL_BUILD_DIR=${BUILD_DIR:-${S}};
    einfo "Will copy sources from ${_MULTIBUILD_INITIAL_BUILD_DIR}";
    function _multibuild_create_source_copy () 
    { 
        einfo "${MULTIBUILD_VARIANT}: copying to ${BUILD_DIR}";
        cp -p -R "${_MULTIBUILD_INITIAL_BUILD_DIR}" "${BUILD_DIR}" || die
    };
    multibuild_foreach_variant _multibuild_create_source_copy
}
multibuild_for_best_variant () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${MULTIBUILD_VARIANTS} ]] || die "MULTIBUILD_VARIANTS need to be set";
    local MULTIBUILD_VARIANTS=("${MULTIBUILD_VARIANTS[-1]}");
    multibuild_foreach_variant "${@}"
}
multibuild_foreach_variant () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ -n ${MULTIBUILD_VARIANTS} ]] || die "MULTIBUILD_VARIANTS need to be set";
    local bdir=${BUILD_DIR:-${S}};
    [[ ${bdir%%/} == ${WORKDIR%%/} ]] && bdir=${WORKDIR}/build;
    local prev_id=${MULTIBUILD_ID:+${MULTIBUILD_ID}-};
    local ret=0 lret=0 v;
    debug-print "${FUNCNAME}: initial build_dir = ${bdir}";
    for v in "${MULTIBUILD_VARIANTS[@]}";
    do
        local MULTIBUILD_VARIANT=${v};
        local MULTIBUILD_ID=${prev_id}${v};
        local BUILD_DIR=${bdir%%/}-${v};
        function _multibuild_run () 
        { 
            local i=1;
            while [[ ${!i} == _* ]]; do
                (( i += 1 ));
            done;
            [[ ${i} -le ${#} ]] && einfo "${v}: running ${@:${i}}";
            "${@}"
        };
        _multibuild_run "${@}" > >(exec tee -a "${T}/build-${MULTIBUILD_ID}.log") 2>&1;
        lret=${?};
        [[ ${ret} -eq 0 && ${lret} -ne 0 ]] && ret=${lret};
    done;
    return ${ret}
}
multibuild_merge_root () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local src=${1};
    local dest=${2};
    cp -a "${src}"/. "${dest}"/ || die "${MULTIBUILD_VARIANT:-(unknown)}: merging image failed";
    rm -rf "${src}" || die
}
multilib-minimal_src_compile () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    function multilib-minimal_abi_src_compile () 
    { 
        debug-print-function ${FUNCNAME} "$@";
        pushd "${BUILD_DIR}" > /dev/null || die;
        if declare -f multilib_src_compile > /dev/null; then
            multilib_src_compile;
        else
            default_src_compile;
        fi;
        popd > /dev/null || die
    };
    multilib_foreach_abi multilib-minimal_abi_src_compile
}
multilib-minimal_src_configure () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    function multilib-minimal_abi_src_configure () 
    { 
        debug-print-function ${FUNCNAME} "$@";
        mkdir -p "${BUILD_DIR}" || die;
        pushd "${BUILD_DIR}" > /dev/null || die;
        if declare -f multilib_src_configure > /dev/null; then
            multilib_src_configure;
        else
            default_src_configure;
        fi;
        popd > /dev/null || die
    };
    multilib_foreach_abi multilib-minimal_abi_src_configure
}
multilib-minimal_src_install () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    function multilib-minimal_abi_src_install () 
    { 
        debug-print-function ${FUNCNAME} "$@";
        pushd "${BUILD_DIR}" > /dev/null || die;
        if declare -f multilib_src_install > /dev/null; then
            multilib_src_install;
        else
            if [[ -f Makefile || -f GNUmakefile || -f makefile ]]; then
                emake DESTDIR="${D}" install;
            fi;
        fi;
        multilib_prepare_wrappers;
        multilib_check_headers;
        popd > /dev/null || die
    };
    multilib_foreach_abi multilib-minimal_abi_src_install;
    multilib_install_wrappers;
    if declare -f multilib_src_install_all > /dev/null; then
        multilib_src_install_all;
    else
        einstalldocs;
    fi
}
multilib-minimal_src_test () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    function multilib-minimal_abi_src_test () 
    { 
        debug-print-function ${FUNCNAME} "$@";
        pushd "${BUILD_DIR}" > /dev/null || die;
        if declare -f multilib_src_test > /dev/null; then
            multilib_src_test;
        else
            default_src_test;
        fi;
        popd > /dev/null || die
    };
    multilib_foreach_abi multilib-minimal_abi_src_test
}
multilib_check_headers () 
{ 
    function _multilib_header_cksum () 
    { 
        set -o pipefail;
        if [[ -d ${ED}/usr/include ]]; then
            find "${ED}"/usr/include -type f -exec cksum {} + | sort -k2;
        fi
    };
    local cksum cksum_prev;
    local cksum_file=${T}/.multilib_header_cksum;
    cksum=$(_multilib_header_cksum) || die;
    unset -f _multilib_header_cksum;
    if [[ -f ${cksum_file} ]]; then
        cksum_prev=$(< "${cksum_file}") || die;
        if [[ ${cksum} != ${cksum_prev} ]]; then
            echo "${cksum}" > "${cksum_file}.new" || die;
            eerror "Header files have changed between ABIs.";
            if type -p diff &> /dev/null; then
                eerror "$(diff -du "${cksum_file}" "${cksum_file}.new")";
            else
                eerror "Old checksums in: ${cksum_file}";
                eerror "New checksums in: ${cksum_file}.new";
            fi;
            die "Header checksum mismatch, aborting.";
        fi;
    else
        echo "${cksum}" > "${cksum_file}" || die;
    fi
}
multilib_copy_sources () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local MULTIBUILD_VARIANTS=($(multilib_get_enabled_abi_pairs));
    multibuild_copy_sources
}
multilib_env () 
{ 
    local CTARGET=${1:-${CTARGET}};
    local cpu=${CTARGET%%*-};
    if [[ ${CTARGET} = *-musl* ]]; then
        : "${MULTILIB_ABIS=default}";
        : "${DEFAULT_ABI=default}";
        export MULTILIB_ABIS DEFAULT_ABI;
        return;
    fi;
    case ${cpu} in 
        aarch64*)
            export CFLAGS_arm=${CFLAGS_arm-};
            case ${cpu} in 
                aarch64*be)
                    export CHOST_arm="armv8b-${CTARGET#*-}"
                ;;
                *)
                    export CHOST_arm="armv8l-${CTARGET#*-}"
                ;;
            esac;
            CHOST_arm=${CHOST_arm/%-gnu/-gnueabi};
            export CTARGET_arm=${CHOST_arm};
            export LIBDIR_arm="lib";
            export CFLAGS_arm64=${CFLAGS_arm64-};
            export CHOST_arm64=${CTARGET};
            export CTARGET_arm64=${CHOST_arm64};
            export LIBDIR_arm64="lib64";
            : "${MULTILIB_ABIS=arm64}";
            : "${DEFAULT_ABI=arm64}"
        ;;
        x86_64*)
            export CFLAGS_x86=${CFLAGS_x86--m32};
            export CHOST_x86=${CTARGET/x86_64/i686};
            CHOST_x86=${CHOST_x86/%-gnux32/-gnu};
            export CTARGET_x86=${CHOST_x86};
            if [[ ${SYMLINK_LIB} == "yes" ]]; then
                export LIBDIR_x86="lib32";
            else
                export LIBDIR_x86="lib";
            fi;
            export CFLAGS_amd64=${CFLAGS_amd64--m64};
            export CHOST_amd64=${CTARGET/%-gnux32/-gnu};
            export CTARGET_amd64=${CHOST_amd64};
            export LIBDIR_amd64="lib64";
            export CFLAGS_x32=${CFLAGS_x32--mx32};
            export CHOST_x32=${CTARGET/%-gnu/-gnux32};
            export CTARGET_x32=${CHOST_x32};
            export LIBDIR_x32="libx32";
            case ${CTARGET} in 
                *-gnux32)
                    : "${MULTILIB_ABIS=x32 amd64 x86}";
                    : "${DEFAULT_ABI=x32}"
                ;;
                *)
                    : "${MULTILIB_ABIS=amd64 x86}";
                    : "${DEFAULT_ABI=amd64}"
                ;;
            esac
        ;;
        loongarch64*)
            export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d};
            export CHOST_lp64d=${CTARGET};
            export CTARGET_lp64d=${CTARGET};
            export LIBDIR_lp64d=${LIBDIR_lp64d-lib64};
            : "${MULTILIB_ABIS=lp64d}";
            : "${DEFAULT_ABI=lp64d}"
        ;;
        mips64* | mipsisa64*)
            export CFLAGS_o32=${CFLAGS_o32--mabi=32};
            export CHOST_o32=${CTARGET/mips64/mips};
            export CHOST_o32=${CHOST_o32/mipsisa64/mipsisa32};
            export CTARGET_o32=${CHOST_o32};
            export LIBDIR_o32="lib";
            export CFLAGS_n32=${CFLAGS_n32--mabi=n32};
            export CHOST_n32=${CTARGET};
            export CTARGET_n32=${CHOST_n32};
            export LIBDIR_n32="lib32";
            export CFLAGS_n64=${CFLAGS_n64--mabi=64};
            export CHOST_n64=${CTARGET};
            export CTARGET_n64=${CHOST_n64};
            export LIBDIR_n64="lib64";
            : "${MULTILIB_ABIS=n64 n32 o32}";
            : "${DEFAULT_ABI=n32}"
        ;;
        powerpc64*)
            export CFLAGS_ppc=${CFLAGS_ppc--m32};
            export CHOST_ppc=${CTARGET/powerpc64/powerpc};
            export CTARGET_ppc=${CHOST_ppc};
            export LIBDIR_ppc="lib";
            export CFLAGS_ppc64=${CFLAGS_ppc64--m64};
            export CHOST_ppc64=${CTARGET};
            export CTARGET_ppc64=${CHOST_ppc64};
            export LIBDIR_ppc64="lib64";
            : "${MULTILIB_ABIS=ppc64 ppc}";
            : "${DEFAULT_ABI=ppc64}"
        ;;
        riscv64*)
            : "${MULTILIB_ABIS=lp64d lp64 ilp32d ilp32}";
            : "${DEFAULT_ABI=lp64d}";
            local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}";
            local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable};
            export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib64};
            export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d -march=rv64gc};
            export CHOST_lp64d=${CTARGET};
            export CTARGET_lp64d=${CTARGET};
            export LIBDIR_lp64d=${LIBDIR_lp64d-lib64/lp64d};
            export CFLAGS_lp64=${CFLAGS_lp64--mabi=lp64 -march=rv64imac};
            export CHOST_lp64=${CTARGET};
            export CTARGET_lp64=${CTARGET};
            export LIBDIR_lp64=${LIBDIR_lp64-lib64/lp64};
            export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc};
            export CHOST_ilp32d=${CTARGET/riscv64/riscv32};
            export CTARGET_ilp32d=${CTARGET/riscv64/riscv32};
            export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d};
            export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac};
            export CHOST_ilp32=${CTARGET/riscv64/riscv32};
            export CTARGET_ilp32=${CTARGET/riscv64/riscv32};
            export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
        ;;
        riscv32*)
            : "${MULTILIB_ABIS=ilp32d ilp32}";
            : "${DEFAULT_ABI=ilp32d}";
            local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}";
            local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable};
            export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib};
            export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc};
            export CHOST_ilp32d=${CTARGET};
            export CTARGET_ilp32d=${CTARGET};
            export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d};
            export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac};
            export CHOST_ilp32=${CTARGET};
            export CTARGET_ilp32=${CTARGET};
            export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
        ;;
        s390x*)
            export CFLAGS_s390=${CFLAGS_s390--m31};
            export CHOST_s390=${CTARGET/s390x/s390};
            export CTARGET_s390=${CHOST_s390};
            export LIBDIR_s390="lib";
            export CFLAGS_s390x=${CFLAGS_s390x--m64};
            export CHOST_s390x=${CTARGET};
            export CTARGET_s390x=${CHOST_s390x};
            export LIBDIR_s390x="lib64";
            : "${MULTILIB_ABIS=s390x s390}";
            : "${DEFAULT_ABI=s390x}"
        ;;
        sparc64*)
            export CFLAGS_sparc32=${CFLAGS_sparc32--m32};
            export CHOST_sparc32=${CTARGET/sparc64/sparc};
            export CTARGET_sparc32=${CHOST_sparc32};
            export LIBDIR_sparc32="lib";
            export CFLAGS_sparc64=${CFLAGS_sparc64--m64};
            export CHOST_sparc64=${CTARGET};
            export CTARGET_sparc64=${CHOST_sparc64};
            export LIBDIR_sparc64="lib64";
            : "${MULTILIB_ABIS=sparc64 sparc32}";
            : "${DEFAULT_ABI=sparc64}"
        ;;
        *)
            : "${MULTILIB_ABIS=default}";
            : "${DEFAULT_ABI=default}"
        ;;
    esac;
    export MULTILIB_ABIS DEFAULT_ABI
}
multilib_foreach_abi () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local MULTIBUILD_VARIANTS=($(multilib_get_enabled_abi_pairs));
    multibuild_foreach_variant _multilib_multibuild_wrapper "${@}"
}
multilib_get_enabled_abi_pairs () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local abis=($(get_all_abis));
    local abi i found;
    for abi in "${abis[@]}";
    do
        for i in "${_MULTILIB_FLAGS[@]}";
        do
            local m_abis=${i#*:} m_abi;
            local m_flag=${i%:*};
            for m_abi in ${m_abis//,/ };
            do
                if [[ ${m_abi} == ${abi} ]] && { 
                    [[ ! -n "${MULTILIB_COMPAT[@]}" ]] || has "${m_flag}" "${MULTILIB_COMPAT[@]}"
                } && use "${m_flag}"; then
                    echo "${m_flag}.${abi}";
                    found=1;
                    break 2;
                fi;
            done;
        done;
    done;
    if [[ ! -n ${found} ]]; then
        local abi=${ABI:-${DEFAULT_ABI}};
        debug-print "${FUNCNAME}: no ABIs enabled, fallback to ${abi}";
        debug-print "${FUNCNAME}: ABI=${ABI}, DEFAULT_ABI=${DEFAULT_ABI}";
        echo ".${abi}";
    fi
}
multilib_get_enabled_abis () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local pairs=($(multilib_get_enabled_abi_pairs));
    echo "${pairs[@]#*.}"
}
multilib_install_wrappers () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${#} -le 1 ]] || die "${FUNCNAME}: too many arguments";
    [[ ${COMPLETE_MULTILIB} == yes ]] && return;
    local root=${1:-${ED}};
    if [[ -d ${ED}/tmp/multilib-include ]]; then
        multibuild_merge_root "${ED}"/tmp/multilib-include "${root}"/usr/include;
        rmdir "${ED}"/tmp &> /dev/null;
    fi
}
multilib_is_native_abi () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${#} -eq 0 ]] || die "${FUNCNAME}: too many arguments";
    [[ ${COMPLETE_MULTILIB} == yes || ${ABI} == ${DEFAULT_ABI} ]]
}
multilib_native_enable () 
{ 
    if multilib_is_native_abi; then
        echo "--enable-${1}${2+=${2}}";
    else
        echo "--disable-${1}";
    fi
}
multilib_native_use () 
{ 
    multilib_is_native_abi && use "$@"
}
multilib_native_use_enable () 
{ 
    if multilib_is_native_abi; then
        use_enable "${@}";
    else
        echo "--disable-${2:-${1}}";
    fi
}
multilib_native_use_with () 
{ 
    if multilib_is_native_abi; then
        use_with "${@}";
    else
        echo "--without-${2:-${1}}";
    fi
}
multilib_native_usev () 
{ 
    multilib_is_native_abi && usev "$@"
}
multilib_native_usex () 
{ 
    if multilib_is_native_abi; then
        usex "${@}";
    else
        echo "${3-no}${5}";
    fi
}
multilib_native_with () 
{ 
    if multilib_is_native_abi; then
        echo "--with-${1}${2+=${2}}";
    else
        echo "--without-${1}";
    fi
}
multilib_parallel_foreach_abi () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local MULTIBUILD_VARIANTS=($(multilib_get_enabled_abi_pairs));
    multibuild_foreach_variant _multilib_multibuild_wrapper "${@}"
}
multilib_prepare_wrappers () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    [[ ${#} -le 1 ]] || die "${FUNCNAME}: too many arguments";
    local root=${1:-${ED}};
    local f;
    if [[ ${COMPLETE_MULTILIB} == yes ]]; then
        for f in "${MULTILIB_CHOST_TOOLS[@]}";
        do
            f=${f#/};
            local dir=${f%/*};
            local fn=${f##*/};
            ln -s "${fn}" "${root}/${dir}/${CHOST}-${fn}" || die;
        done;
        return;
    fi;
    for f in "${MULTILIB_CHOST_TOOLS[@]}";
    do
        f=${f#/};
        local dir=${f%/*};
        local fn=${f##*/};
        if [[ -L ${root}/${f} ]]; then
            local target;
            target=$(readlink "${root}/${f}") || die;
            local target_dir target_fn=${target##*/};
            [[ ${target} == */* ]] && target_dir=${target%/*};
            ln -f -s "${target_dir+${target_dir}/}${CHOST}-${target_fn}" "${root}/${f}" || die;
        fi;
        mv "${root}/${f}" "${root}/${dir}/${CHOST}-${fn}" || die;
        if multilib_is_native_abi; then
            ln -s "${CHOST}-${fn}" "${root}/${f}" || die;
        fi;
    done;
    if [[ -n ${MULTILIB_WRAPPED_HEADERS[@]} ]]; then
        if [[ -n ${MULTILIB_ABI_FLAG} ]]; then
            for f in "${MULTILIB_WRAPPED_HEADERS[@]}";
            do
                f=${f#/};
                if [[ ${f} != usr/include/* ]]; then
                    die "Wrapping headers outside of /usr/include is not supported at the moment.";
                fi;
                f=${f#usr/include};
                local dir=${f%/*};
                if [[ -f ${root}/usr/include${f} ]]; then
                    local wrapper=${ED}/tmp/multilib-include${f};
                    if [[ ! -f ${ED}/tmp/multilib-include${f} ]]; then
                        dodir "/tmp/multilib-include${dir}";
                        cat > "${wrapper}" <<_EOF_ || 
/* This file is auto-generated by multilib-build.eclass
 * as a multilib-friendly wrapper. For the original content,
 * please see the files that are #included below.
 */

#if defined(__x86_64__) /* amd64 */
#	if defined(__ILP32__) /* x32 ABI */
#		error "abi_x86_x32 not supported by the package."
#	else /* 64-bit ABI */
#		error "abi_x86_64 not supported by the package."
#	endif
#elif defined(__i386__) /* plain x86 */
#	error "abi_x86_32 not supported by the package."
#elif defined(__mips__)
#	if(_MIPS_SIM == _ABIN32) /* n32 */
#		error "abi_mips_n32 not supported by the package."
#	elif(_MIPS_SIM == _ABI64) /* n64 */
#		error "abi_mips_n64 not supported by the package."
#	elif(_MIPS_SIM == _ABIO32) /* o32 */
#		error "abi_mips_o32 not supported by the package."
#	endif
#elif defined(__sparc__)
#	if defined(__arch64__)
#		error "abi_sparc_64 not supported by the package."
#	else
#		error "abi_sparc_32 not supported by the package."
#	endif
#elif defined(__s390__)
#	if defined(__s390x__)
#		error "abi_s390_64 not supported by the package."
#	else
#		error "abi_s390_32 not supported by the package."
#	endif
#elif defined(__powerpc__) || defined(__ppc__)
#	if defined(__powerpc64__) || defined(__ppc64__)
#		error "abi_ppc_64 not supported by the package."
#	else
#		error "abi_ppc_32 not supported by the package."
#	endif
#elif defined(SWIG) /* https://sourceforge.net/p/swig/bugs/799/ */
#	error "Native ABI not supported by the package."
#else
#	error "No ABI matched, please report a bug to bugs.gentoo.org"
#endif
_EOF_
 die;
                    fi
                    if ! grep -q "${MULTILIB_ABI_FLAG} " "${wrapper}"; then
                        die "Flag ${MULTILIB_ABI_FLAG} not listed in wrapper template. Please report a bug to https://bugs.gentoo.org.";
                    fi;
                    dodir "/tmp/multilib-include/${CHOST}${dir}";
                    mv "${root}/usr/include${f}" "${ED}/tmp/multilib-include/${CHOST}${dir}/" || die;
                    sed -e "/${MULTILIB_ABI_FLAG} /s&error.*&include <${CHOST}${f}>&" -i "${wrapper}" || die;
                    if multilib_is_native_abi; then
                        sed -e "/Native ABI/s&error.*&include <${CHOST}${f}>&" -i "${wrapper}" || die;
                    fi;
                fi;
            done;
        fi;
    fi
}
multilib_src_compile () 
{ 
    cmake_src_compile "${_cmake_args[@]}"
}
multilib_src_configure () 
{ 
    cmake_src_configure "${_cmake_args[@]}"
}
multilib_src_install () 
{ 
    cmake_src_install "${_cmake_args[@]}"
}
multilib_src_test () 
{ 
    cmake_src_test "${_cmake_args[@]}"
}
multilib_toolchain_setup () 
{ 
    local v vv;
    export ABI=$1;
    local save_restore_variables=(CBUILD CHOST AR CC CXX F77 FC LD NM OBJCOPY OBJDUMP PKG_CONFIG RANLIB READELF STRINGS STRIP PKG_CONFIG_LIBDIR PKG_CONFIG_PATH PKG_CONFIG_SYSTEM_INCLUDE_PATH PKG_CONFIG_SYSTEM_LIBRARY_PATH);
    if [[ ${_DEFAULT_ABI_SAVED} == "true" ]]; then
        for v in "${save_restore_variables[@]}";
        do
            vv="_abi_saved_${v}";
            [[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v};
            unset ${vv};
        done;
        unset _DEFAULT_ABI_SAVED;
    fi;
    if [[ ${ABI} != ${DEFAULT_ABI} ]]; then
        for v in "${save_restore_variables[@]}";
        do
            vv="_abi_saved_${v}";
            [[ ${!v+set} == "set" ]] && export ${vv}="${!v}" || unset ${vv};
        done;
        export _DEFAULT_ABI_SAVED="true";
        if [[ ${CBUILD} == "${CHOST}" ]]; then
            export CBUILD=$(get_abi_CHOST $1);
        fi;
        export CHOST=$(get_abi_CHOST ${DEFAULT_ABI});
        export AR="$(tc-getAR)";
        export CC="$(tc-getCC) $(get_abi_CFLAGS)";
        export CXX="$(tc-getCXX) $(get_abi_CFLAGS)";
        export F77="$(tc-getF77) $(get_abi_CFLAGS)";
        export FC="$(tc-getFC) $(get_abi_CFLAGS)";
        export LD="$(tc-getLD) $(get_abi_LDFLAGS)";
        export NM="$(tc-getNM)";
        export OBJCOPY="$(tc-getOBJCOPY)";
        export OBJDUMP="$(tc-getOBJDUMP)";
        export PKG_CONFIG="$(tc-getPKG_CONFIG)";
        export RANLIB="$(tc-getRANLIB)";
        export READELF="$(tc-getREADELF)";
        export STRINGS="$(tc-getSTRINGS)";
        export STRIP="$(tc-getSTRIP)";
        export CHOST=$(get_abi_CHOST $1);
        export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig;
        export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig;
        export PKG_CONFIG_SYSTEM_INCLUDE_PATH=${EPREFIX}/usr/include;
        export PKG_CONFIG_SYSTEM_LIBRARY_PATH=${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir);
    fi
}
no-as-needed () 
{ 
    [[ $# -ne 0 ]] && die "no-as-needed takes no arguments";
    case $($(tc-getLD) -v 2>&1 < /dev/null) in 
        *GNU*)
            echo "-Wl,--no-as-needed"
        ;;
    esac
}
number_abis () 
{ 
    set -- `get_install_abis`;
    echo $#
}
pkg_nofetch () 
{ 
    default
}
post_src_install () 
{ 
    ( if grep -q 'internal compiler error' "${WORKDIR}"/*/config.log &> /dev/null; then
        echo "${CATEGORY}/${PF}: Found ICE in config.log?!";
    fi;
    if [[ -f "${S}"/meson.build ]] && ! grep -q "dev-build/meson" <<< "${BDEPEND}"; then
        echo "${CATEGORY}/${PF}: meson.build found but ebuild doesn't use meson?";
    fi;
    if grep -r -q "dejagnu" "${S}" &> /dev/null && ! grep -q "dejagnu" <<< "${BDEPEND}"; then
        echo "${CATEGORY}/${PF}: Missing dejagnu tests?";
    fi;
    if grep -r -q "test" "${S}/meson_options.txt" &> /dev/null && ! grep -q "test" <<< "${IUSE}"; then
        echo "${CATEGORY}/${PF}: Missing test option wiring for meson?";
    fi;
    if grep -E -r -q -- "(disable|enable|with(out)?)-(unit)?test(s?)" configure.ac &> /dev/null && ! grep -q "test" <<< "${IUSE}"; then
        echo "${CATEGORY}/${PF}: Missing test option wiring for autoconf?";
    fi;
    if grep -E -r -q -- "(disable|enable)-valgrind" configure.ac &> /dev/null && ! grep -q "valgrind" <<< "${IUSE}"; then
        echo "${CATEGORY}/${PF}: Missing valgrind option wiring for autoconf?";
    fi;
    if grep -r -q "valgrind" "${S}/meson_options.txt" &> /dev/null && ! grep -q "valgrind" <<< "${IUSE}"; then
        echo "${CATEGORY}/${PF}: Missing valgrind option wiring for meson?";
    fi;
    if grep -E -r -q -- "(disable|enable)-fuzz" configure.ac &> /dev/null && ! grep -q "fuzz" <<< "${EBUILD}"; then
        echo "${CATEGORY}/${PF}: Missing fuzz option wiring for autoconf?";
    fi;
    if grep -r -q "fuzz" "${S}/meson_options.txt" &> /dev/null && ! grep -q "fuzz" <<< "${EBUILD}"; then
        echo "${CATEGORY}/${PF}: Missing fuzz option wiring for meson?";
    fi ) &>> /var/tmp/sam.txt
}
raw-ldflags () 
{ 
    local x input="$@";
    [[ -z ${input} ]] && input=${LDFLAGS};
    set --;
    for x in ${input};
    do
        case ${x} in 
            -Wl,*)
                x=${x#-Wl,};
                set -- "$@" ${x//,/ }
            ;;
            *)

            ;;
        esac;
    done;
    echo "$@"
}
replace-cpu-flags () 
{ 
    local newcpu="$#";
    newcpu="${!newcpu}";
    while [ $# -gt 1 ]; do
        replace-flags "-march=${1}" "-march=${newcpu}";
        replace-flags "-mcpu=${1}" "-mcpu=${newcpu}";
        replace-flags "-mtune=${1}" "-mtune=${newcpu}";
        shift;
    done;
    return 0
}
replace-flags () 
{ 
    [[ $# != 2 ]] && die "Usage: replace-flags <old flag> <new flag>";
    local f var new;
    for var in $(all-flag-vars);
    do
        new=();
        for f in ${!var};
        do
            [[ ${f} == ${1} ]] && f=${2};
            new+=("${f}");
        done;
        export ${var}="${new[*]}";
    done;
    return 0
}
replace-sparc64-flags () 
{ 
    [[ $# -ne 0 ]] && die "replace-sparc64-flags takes no arguments";
    local SPARC64_CPUS="ultrasparc3 ultrasparc v9";
    if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
        for x in ${SPARC64_CPUS};
        do
            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}";
        done;
    else
        for x in ${SPARC64_CPUS};
        do
            CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
        done;
    fi;
    if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
        for x in ${SPARC64_CPUS};
        do
            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}";
        done;
    else
        for x in ${SPARC64_CPUS};
        do
            CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}";
        done;
    fi;
    export CFLAGS CXXFLAGS
}
run_in_build_dir () 
{ 
    debug-print-function ${FUNCNAME} "$@";
    local ret;
    [[ ${#} -eq 0 ]] && die "${FUNCNAME}: no command specified.";
    [[ -z ${BUILD_DIR} ]] && die "${FUNCNAME}: BUILD_DIR not set.";
    mkdir -p "${BUILD_DIR}" || die;
    pushd "${BUILD_DIR}" > /dev/null || die;
    "${@}";
    ret=${?};
    popd > /dev/null || die;
    return ${ret}
}
setup-allowed-flags () 
{ 
    [[ ${EAPI} == 7 ]] || die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}.";
    _setup-allowed-flags "$@"
}
source_profile () 
{ 
    set +u;
    source /etc/profile;
    set -u
}
declare -fx source_profile
src_compile () 
{ 
    cmake-multilib_src_compile "$@"
}
src_configure () 
{ 
    local mycmakeargs=(-DBUILD_STATIC_LIBS=$(usex static-libs));
    cmake-multilib_src_configure
}
src_install () 
{ 
    cmake-multilib_src_install "$@"
}
src_prepare () 
{ 
    cmake_src_prepare "$@"
}
src_test () 
{ 
    cmake-multilib_src_test "$@"
}
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 ${LDFLAGS})
}
syncRepo () 
{ 
    cd /var/db/repos/gentoo;
    local synclog=/var/tmp/tb/sync.log;
    local curr_time=$EPOCHSECONDS;
    if ! emaint sync --auto &> $synclog; then
        if grep -q -e 'git fetch error' -e ': Failed to connect to ' -e ': SSL connection timeout' -e ': Connection timed out' -e 'The requested URL returned error:' $synclog; then
            return 0;
        else
            if ! emaint merges --fix &>> $synclog; then
                ReachedEOL "repo sync failure, unable to fix" $synclog;
            fi;
        fi;
    fi;
    if grep -q -F '* An update to portage is available.' $synclog; then
        add2backlog "sys-apps/portage";
    fi;
    if ! grep -B 1 '=== Sync completed for gentoo' $synclog | grep -q 'Already up to date.'; then
        git diff --diff-filter="ACM" --name-only "@{ $((EPOCHSECONDS - last_sync + 2 * 3600)) second ago }..@{ 2 hour ago }" 2> /dev/null | grep -F -e '/files/' -e '.ebuild' -e 'Manifest' | cut -f 1-2 -d '/' -s | grep -v -f /mnt/tb/data/IGNORE_PACKAGES | sort -u > /tmp/syncRepo.upd;
        if [[ -s /tmp/syncRepo.upd ]]; then
            sort -u /tmp/syncRepo.upd /var/tmp/tb/backlog.upd | shuf > /tmp/backlog.upd;
            cp /tmp/backlog.upd /var/tmp/tb/backlog.upd;
        fi;
    fi;
    last_sync=$curr_time;
    cd - > /dev/null
}
declare -fx syncRepo
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
}
xdg_desktop_database_update () 
{ 
    if [[ ${EBUILD_PHASE} != post* ]]; then
        die "xdg_desktop_database_update must be used in pkg_post* phases.";
    fi;
    if ! type update-desktop-database &> /dev/null; then
        debug-print "update-desktop-database is not found";
        return;
    fi;
    ebegin "Updating .desktop files database";
    update-desktop-database -q "${EROOT}${DESKTOP_DATABASE_DIR}";
    eend $?
}
xdg_environment_reset () 
{ 
    export XDG_DATA_HOME="${HOME}/.local/share";
    export XDG_CONFIG_HOME="${HOME}/.config";
    export XDG_CACHE_HOME="${HOME}/.cache";
    export XDG_STATE_HOME="${HOME}/.local/state";
    export XDG_RUNTIME_DIR="${T}/run";
    mkdir -p "${XDG_DATA_HOME}" "${XDG_CONFIG_HOME}" "${XDG_CACHE_HOME}" "${XDG_STATE_HOME}" "${XDG_RUNTIME_DIR}" || die;
    chmod 0700 "${XDG_RUNTIME_DIR}" || die;
    unset DBUS_SESSION_BUS_ADDRESS
}
xdg_icon_cache_update () 
{ 
    if [[ ${EBUILD_PHASE} != post* ]]; then
        die "xdg_icon_cache_update must be used in pkg_post* phases.";
    fi;
    if ! type gtk-update-icon-cache &> /dev/null; then
        debug-print "gtk-update-icon-cache is not found";
        return;
    fi;
    ebegin "Updating icons cache";
    local dir retval=0;
    local fails=();
    for dir in "${EROOT}"/usr/share/icons/*;
    do
        if [[ -f ${dir}/index.theme ]]; then
            if ! gtk-update-icon-cache -qf "${dir}"; then
                debug-print "Updating cache failed on ${dir}";
                fails+=("${dir}");
                retval=2;
            fi;
        else
            if [[ $(ls "${dir}") = icon-theme.cache ]]; then
                rm "${dir}/icon-theme.cache";
            fi;
        fi;
        if [[ -z $(ls "${dir}") ]]; then
            rmdir "${dir}";
        fi;
    done;
    eend ${retval};
    for dir in "${fails[@]}";
    do
        eerror "Failed to update cache with icon ${dir}";
    done
}
xdg_mimeinfo_database_update () 
{ 
    if [[ ${EBUILD_PHASE} != post* ]]; then
        die "xdg_mimeinfo_database_update must be used in pkg_post* phases.";
    fi;
    if ! type update-mime-database &> /dev/null; then
        debug-print "update-mime-database is not found";
        return;
    fi;
    local -x PKGSYSTEM_ENABLE_FSYNC=0;
    ebegin "Updating shared mime info database";
    update-mime-database "${EROOT}${MIMEINFO_DATABASE_DIR}";
    eend $?
}