$ emerge --info '=dev-qt/qtbase-6.5.1-r1::gentoo'
Portage 3.0.49 (python 3.11.4-final-0, default/linux/amd64/17.1/desktop/gnome/systemd/merged-usr, gcc-12, glibc-2.37-r3, 6.1.28-gentoo x86_64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-6.1.28-gentoo-x86_64-12th_Gen_Intel-R-_Core-TM-_i7-12700K-with-glibc2.37
KiB Mem:    65615560 total,  34932380 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Sun, 16 Jul 2023 03:30:01 +0000
Head commit of repository gentoo: 22887a97002229d23b735827e744afb70150fc4f
Timestamp of repository dlang: Sun, 02 Jul 2023 13:32:03 +0000
Head commit of repository dlang: 66e9de4098b4dc0b3b6e923f044bc3f301b4669d

Timestamp of repository lto-overlay: Sun, 02 Jul 2023 15:32:34 +0000
Head commit of repository lto-overlay: 771a246ca7547a50662c51797d0821914ee32e52

Timestamp of repository mv: Sat, 15 Jul 2023 20:01:48 +0000
Head commit of repository mv: 2673643e9aa7ddafe02a0499ac1fc6aa777d67e7

sh bash 5.1_p16-r6
ld GNU ld (Gentoo 2.39 p6) 2.39.0
ccache version 4.8.2 [disabled]
app-misc/pax-utils:        1.3.5::gentoo
app-shells/bash:           5.1_p16-r6::gentoo
dev-java/java-config:      2.3.1-r1::gentoo
dev-lang/perl:             5.36.1-r3::gentoo
dev-lang/python:           3.11.4::gentoo
dev-lang/rust:             1.70.0::gentoo
dev-util/ccache:           4.8.2::gentoo
dev-util/cmake:            3.26.4-r1::gentoo
dev-util/meson:            1.1.1::gentoo
sys-apps/baselayout:       2.13-r1::gentoo
sys-apps/sandbox:          2.32::gentoo
sys-apps/systemd:          253.3-r1::gentoo
sys-devel/autoconf:        2.13-r7::gentoo, 2.71-r6::gentoo
sys-devel/automake:        1.16.5::gentoo
sys-devel/binutils:        2.39-r5::gentoo, 2.40-r5::gentoo
sys-devel/binutils-config: 5.5::gentoo
sys-devel/clang:           16.0.6::gentoo
sys-devel/gcc:             12.3.1_p20230526::gentoo
sys-devel/gcc-config:      2.11::gentoo
sys-devel/libtool:         2.4.7-r1::gentoo
sys-devel/llvm:            15.0.7::gentoo, 16.0.6::gentoo
sys-devel/make:            4.4.1-r1::gentoo
sys-kernel/linux-headers:  6.1::gentoo (virtual/os-headers)
sys-libs/glibc:            2.37-r3::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    volatile: False
    sync-rsync-extra-opts: 
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-metamanifest: yes

dlang
    location: /var/db/repos/dlang
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/dlang.git
    masters: gentoo
    volatile: False

lto-overlay
    location: /var/db/repos/lto-overlay
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/lto-overlay.git
    masters: gentoo mv
    volatile: False

mv
    location: /var/db/repos/mv
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/mv.git
    masters: gentoo
    volatile: False

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="@FREE @BINARY-REDISTRIBUTABLE freedist google-chrome NVIDIA-CUDA NVIDIA-cuDNN Microsoft-vscode MSttfEULA free-noncomm"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O3 -fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fipa-pta -fno-semantic-interposition -flto=16 -fuse-linker-plugin -pipe -falign-functions=32"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d"
CXXFLAGS="-march=native -O3 -fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fipa-pta -fno-semantic-interposition -flto=16 -fuse-linker-plugin -pipe -falign-functions=32"
DISTDIR="/var/cache/distfiles"
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"
FCFLAGS="-O3 -march=native -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O3 -march=native -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LEX="flex"
MAKEOPTS="-j16"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
RUSTFLAGS="-C target-cpu=native"
SHELL="/bin/bash"
USE="X a52 aac acl acpi alsa amd64 bluetooth branding bzip2 cairo cdda cjk cli colord crypt cuda cups dbus dri dts dvd dvdr eds emoji encode eselect-ldso evo exif ffmpeg flac fortran gdbm gif gnome gnome-keyring gnome-online-accounts gpm gstreamer gtk gui iconv icu introspection ipv6 jpeg keyring lcms libnotify libtirpc mad mng mp3 mp4 mpeg ms multilib nautilus ncurses networkmanager nls nptl ogg opengl openmp opus pam pango pcre pdf png policykit ppds pulseaudio qt5 readline sdl seccomp sound spell ssl startup-notification svg sysprof systemd test-rust tiff tracker truetype udev udisks unicode upower usb vdpau vorbis vulkan wayland wxwidgets x264 xattr xcb xft xml xv xvid zlib zstd" ABI_X86="64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 avx512f avx512dq avx512cd avx512bw avx512vl avx512vbmi f16c fma3 mmx mmxext pclmul popcnt rdrand sha sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="libinput" KERNEL="linux" L10N="en zh-CN" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-1" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_11" PYTHON_TARGETS="python3_11" RUBY_TARGETS="ruby31" VIDEO_CARDS="nvidia intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, SIZE, STRINGS, STRIP, YACC, YFLAGS