Global USE flags

Flag	Description	Packages
(		2
)		2
X		22
accessibility		2
alsa		3
apparmor		2
aqua		3
audit		2
bash-completion		2
big-endian		3
bluetooth		5
branding		2
broadway		2
bzip2		2
cairo		2
cdda		2
clang	Use Clang compiler instead of GCC	4
cloudproviders		3
colord		5
cpu_flags_x86_avx2		2
cpu_flags_x86_sse2		4
crypt	Support encrypted images	3
cups		9
custom-cflags		2
dbus		9
debug		27
designer		3
doc		34
eds		3
egl		2
elogind		7
examples		16
flatpak		2
geolocation		6
gif		3
git		2
gles2-only		8
gnome		8
gnome-online-accounts		4
gssapi		2
gstreamer		9
gtk		8
gtk-doc		42
gui		3
hardened		2
heif		2
help		2
http	Include support for importing dhall modules from HTTP URLs	3
ibus		3
icu		5
input_devices_wacom		4
introspection		50
ios		2
jack		2
java		2
jpeg		4
jpegxl	Add JPEG XL / jxl image support	4
jumbo-build	Enable unified build - combines source files to speed up build process, but requires more memory	3
kde		5
kerberos		4
keyring		3
l10n_		3
lcms		2
ldap		3
libproxy	Enable libproxy support	3
lto		4
modemmanager		2
multimedia		2
nautilus		2
ncurses		2
nls		2
opengl	Enable gtkglsink OpenGL sink based on desktop OpenGL API	6
openmp		3
pdf		2
playlist	Enable support for playlists through <pkg>dev-libs/totem-pl-parser</pkg>	2
plugins		2
png		4
policykit		3
postgres		2
printsupport		2
profile		2
pulseaudio	Add sound server support via media-libs/libpulse (may be PulseAudio or Pipewire, or apulse if installed)	4
python		7
qml		8
qt6		3
raw		2
readline		2
samba		2
screencast		3
scxml		2
seccomp		4
selinux		9
sound		2
spell		7
ssl		8
static-libs		9
svg		5
sysprof		11
system-icu	Use system <pkg>dev-libs/icu</pkg> instead of the bundled version	3
systemd		26
test		79
test-full		2
threads		5
tiff		5
tools		5
udev		8
vala		25
valgrind		3
video_cards_nvidia		2
vim-syntax		2
vnc		2
vulkan		7
wayland		17
weather		2
webp		4
widgets		4
xml		2
xps		2
zeroconf		3

Category USE flags

app-text

Flag	Description	Packages
djvu		2

dev-haskell

Flag	Description	Packages
devel	Development commands	3
example	Build the example application.	2
integer-gmp	When building with a version of GHC older than 9.0, depend on the @integer-gmp@ library. You can disable this if you do not wish to link against GMP, but at the expense of having a slower @TextShow Natural@ instance.	2

dev-libs

Flag	Description	Packages
lua		2
man		2
utils		2
zstd		2

dev-qt

Flag	Description	Packages
jit		3

gnome-base

Flag	Description	Packages
networkmanager		3

media-libs

Flag	Description	Packages
cpu_flags_arm_neon		3
cpu_flags_x86_sse		2

media-plugins

Flag	Description	Packages
orc		2

x11-libs

Flag	Description	Packages
xinerama		2

Local USE flags

app-accessibility

at-spi2-core

Flag	Description
dbus-broker

app-containers

snapd

Flag	Description
forced-devmode

app-editors

fresh

Flag	Description
dev-bins
embed-plugins

app-emulation

proton-ge-custom-meta

Flag	Description
steam

app-misc

localsearch

Flag	Description
cue
exif
gsf
iptc
iso
upower
xmp

tinysparql

Flag	Description
localsearch
stemmer

tmux

Flag	Description
jemalloc
sixel
utempter

app-office

abiword

Flag	Description
calendar
collab
goffice
grammar
latex
map
math
redland
thesaurus
wmf
wordperfect

gnumeric

Flag	Description
libgda
perl

libreoffice

Flag	Description
$(printf
${LO_EXTS})
'
'libreoffice_extensions_%s
base
coinmp
googledrive
gtk3
gtk4
mariadb
odk
pdfimport

libreoffice-l10n

Flag	Description
offlinehelp

app-text

aspell

Flag	Description
unicode

evince

Flag	Description
dvi
postscript

papers

Flag	Description
comics
gnome-keyring

dev-build

cmake

Flag	Description
dap

dev-haskell

aeson

Flag	Description
ordered-keymap	Use ordered @Data.Map.Strict@ for KeyMap implementation.

bitvec

Flag	Description
simd	Use a C SIMD implementation for the ultimate performance of `zipBits`, `invertBits` and `countBits`. Disable this flag if there are problems with the C FFI.

cborg

Flag	Description
optimize-gmp

config-ini

Flag	Description
enable-doctests

crypton

Flag	Description
check-alignment	extra check on alignment in C layers, which cause lowlevel assert errors. for debugging only.
old-toolchain-inliner	use -fgnu89-inline to workaround an old compiler / linker / glibc issue.
support-aesni	allow compilation with AESNI on system and architecture that supports it
support-deepseq	add deepseq instances for cryptographic types
support-pclmuldq	Allow compilation with pclmuldq on architecture that supports it
support-rdrand	allow compilation with RDRAND on system and architecture that supports it
support-sse	Use SSE optimized version of (BLAKE2, ARGON2)
target-attributes	use GCC / clang function attributes instead of global target options.

crypton-socks

Flag	Description
network-3-0-0-0	Use network-3.0.0.0 or later. If used the example application has a dependency on network-bsd.

di-monad

Flag	Description
conduit
monad-control
pipes
pipes-safe
primitive
resourcet
streaming
transformers-base
unliftio-core

ghc-lib-parser-ex

Flag	Description
auto
no-ghc-lib

ghc-tcplugins-extra

Flag	Description
deverror

haskeline

Flag	Description
terminfo

hsyaml-aeson

Flag	Description
exe

http2

Flag	Description
h2spec	Development commands

hw-kafka-client

Flag	Description
it

jose

Flag	Description
demos

libyaml

Flag	Description
no-unicode
system-libyaml

mlkem

Flag	Description
crypton

optics-core

Flag	Description
explicit-generic-labels	Require explicit GenericLabelOptics instances in order to use generics-based labels

polysemy-plugin

Flag	Description
corelint

taffybar

Flag	Description
deprecated-pager-hints	Enables the deprecated System.Taffybar.Support.PagerHints module, which has been moved to xmonad-contrib.
wireplumber	Enables WirePlumber/PipeWire audio support.

unboxing-vector

Flag	Description
mono-traversable

wai-extra

Flag	Description
build-example	Build example executable.

zlib

Flag	Description
bundled-c-zlib
non-blocking-ffi

dev-lang

dhall

Flag	Description
http-client-tls	Use http-client-tls for resolving HTTP imports by default (requires with-http to be enabled)

ghc

Flag	Description
binary	Install the binary version directly, rather than using it to build the source version.
elfutils	Enable DWARF-based backtraces using <pkg>dev-libs/elfutils</pkg>.
ghcbootstrap	Internal: Bootstrap GHC from an existing GHC installation.
ghcmakebinary	Internal: Build binary friendly for redistribution.
gmp	Use <pkg>dev-libs/gmp</pkg> for integer operations (works faster, but an external depend).
llvm	Pull in dependencies for the <pkg>llvm-core/llvm</pkg> codegen backend.
numa	Enable NUMA thread balancing policy using <pkg>sys-process/numactl</pkg>.
unregisterised	Create an unregisterised build in which only the C codegen backend will be available.

idris2

Flag	Description
chez
minimal
racket

rust

Flag	Description
"(
${ALL_LLVM_TARGETS[*]}
)"
AArch64
AMDGPU
ARC
ARM
AVR
BPF
CSKY
DirectX
Hexagon
Lanai
LoongArch
M68k
MSP430
Mips
NVPTX
PowerPC
RISCV
SPIRV
Sparc
SystemZ
VE
WebAssembly
X86
XCore
Xtensa
bpf
clippy	Install clippy, Rust code linter
dist	Install dist tarballs (used for bootstrapping)
llvm-libunwind
llvm_targets_BPF
llvm_targets_WebAssembly
miri	Install miri, an interpreter for Rust's mid-level intermediate representation (requires USE=nightly, sometimes is broken)
mrustc-bootstrap	Use <pkg>dev-lang/mrustc</pkg> to build the bootstrap Rust sysroot from this package's source
nightly	Enable nightly (UNSTABLE) features (NOTE: it does not install nightly version, just enables features marked as nightly at time of release)
parallel-compiler	Build a multi-threaded rustc (experimental, not tested by upstream)
rust-analyzer	Install rust-analyzer, A Rust compiler front-end for IDEs (language server)
rust-src	Install rust-src, needed by developer tools and for build-std (cross)
rustfmt	Install rustfmt, Rust code formatter
system-llvm	Use the system LLVM installation
wasm	Build support for the wasm32-unknown-unknown target

dev-libs

appstream

Flag	Description
apt
compose

appstream-glib

Flag	Description
fonts

boost

Flag	Description
context
lzma
mpi
numpy
stacktrace
zlib

feedbackd

Flag	Description
daemon

glib

Flag	Description
elf
mime
systemtap
xattr

gobject-introspection

Flag	Description
doctool	Install g-ir-doc-tool for generating documentation from introspected data

json-c

Flag	Description
cpu_flags_x86_rdrand

libhighscore

Flag	Description
vapi

liborcus

Flag	Description
spreadsheet-model

libpeas

Flag	Description
glade
javascript

ocl-icd

Flag	Description
khronos-headers

dev-python

pympler

Flag	Description
charts

pyqt6

Flag	Description
network
nfc
pdfium
positioning
quick
quick3d
remoteobjects
sensors
serialport
spatialaudio
speech
sql
testlib
webchannel
websockets

python-socketio

Flag	Description
asyncio-client
client

dev-qt

designer

Flag	Description
declarative

ghoul

Flag	Description
android
autotest
autotools
baremetal
bazaar
beautifier
bineditor
bookmarks
boot2qt
classview
clearcase
cmake
cmakeprojectmanager
coco
compilationdatabase
conan
cppcheck
ctfvisualizer
cvs
docker
drp
emacs
gitlab
glsl
imageviewer
incredibuild
lsp
macros
marketplace
mercurial
meson
modeling
nim
perforce
perfprofiler
qbs
qmake
qnx
remotelinux
serialterminal
silversearcher
subversion
todo
vcsbase
vim
webassembly
webengine
welcome

qtcore

Flag	Description
old-kernel

qtdeclarative

Flag	Description
localstorage

qtgui

Flag	Description
eglfs
evdev
libinput
linuxfb
tslib
tuio

qtmultimedia

Flag	Description
openal

qtnetwork

Flag	Description
sctp

qtscript

Flag	Description
scripttools

qtsql

Flag	Description
freetds
mysql
oci8
odbc
sqlite

qtwayland

Flag	Description
compositor

qtwebengine

Flag	Description
bindist

qtwebkit

Flag	Description
hyphen
nsplugin
orientation

dev-util

beekeeper-studio-bin

Flag	Description
abi_x86_64
appindicator

gnome-builder

Flag	Description
d-spy
webkit

games-simulation

alchemy

Flag	Description
fmod
fork

firestorm-bin

Flag	Description
voice

games-util

mangohud

Flag	Description
${PYTHON_REQUIRED_USE}
mangoapp
mangohudctl
mangoplot
video_cards_amdgpu
xnvctrl

gnome-base

gdm

Flag	Description
bluetooth-sound
fprint
plymouth

gnome-desktop

Flag	Description
qr

gnome-keyring

Flag	Description
caps
pam
ssh-agent

gnome-settings-daemon

Flag	Description
smartcard

gnome-shell

Flag	Description
pipewire

gvfs

Flag	Description
bluray
fuse
gphoto2
mtp
nfs
onedrive
udisks

nautilus

Flag	Description
previewer

gnome-extra

evolution-data-server

Flag	Description
berkdb
oauth-gtk3
oauth-gtk4

gui-libs

gtk

Flag	Description
cpu_flags_x86_f16c

mail-client

evolution

Flag	Description
archive
bogofilter
highlight
libnotify
spamassassin
ytnef

media-gfx

gthumb

Flag	Description
cdr
slideshow

media-libs

imgui

Flag	Description
allegro5
glfw
sdl2
sdl2-renderer
sdl3
sdl3-renderer
webgpu

libaom

Flag	Description
cpu_flags_arm_crc32
cpu_flags_ppc_vsx
cpu_flags_x86_avx
cpu_flags_x86_mmx
cpu_flags_x86_sse3
cpu_flags_x86_sse4_1
cpu_flags_x86_sse4_2
cpu_flags_x86_ssse3

opus

Flag	Description
custom-modes
deep-plc
dred
osce

media-plugins

gst-plugins-gtk

Flag	Description
gles2	Enable gtkglsink OpenGL sink based on GLESv2 API

gst-plugins-meta

Flag	Description
a52
aac
dts
dv
dvb
dvd
ffmpeg
flac
lame
libass
libvisual
modplug
mp3
mpeg
ogg
opus
oss
taglib
theora
v4l
vaapi
vcd
vorbis
vpx
wavpack
x264

net-libs

gnome-online-accounts

Flag	Description
ms365

libproxy

Flag	Description
duktape

libqmi

Flag	Description
mbim
qrtr

libsoup

Flag	Description
brotli

nodejs

Flag	Description
inspector	Enable V8 inspector
npm	Enable NPM package manager
pax-kernel	Enable building under a PaX enabled kernel
pnpm	Install the <pkg>sys-apps/pnpm</pkg> package manager
snapshot	Enable snapshot creation for faster startup
system-ssl	Use system OpenSSL instead of the bundled one

webkit-gtk

Flag	Description
avif
gamepad
webdriver

net-misc

gnome-remote-desktop

Flag	Description
rdp

net-vpn

amneziawg-tools

Flag	Description
awg-quick

net-wireless

gnome-bluetooth

Flag	Description
sendto

sci-ml

transformers

Flag	Description
torch

sys-apps

dbus-broker

Flag	Description
launcher

gnome-disk-utility

Flag	Description
fat

sys-devel

mold

Flag	Description
mimalloc

www-client

firefox

Flag	Description
eme-free	Disable EME (DRM plugin) capability at build time
gmp-autoupdate	Allow Gecko Media Plugins (binary blobs) to be automatically downloaded and kept up-to-date in user profiles
gnome-shell	Integrate with gnome-base/gnome-shell search
hwaccel	Force-enable hardware-accelerated rendering (Mozilla bug 594876)
openh264	Use <pkg>media-libs/openh264</pkg> for H264 support instead of downloading binary blob from Mozilla at runtime
pgo	Add support for profile-guided optimization for faster binaries - this option will double the compile time
sndio	Enable support for the <pkg>media-sound/sndio</pkg> backend
system-av1	Use the system-wide <pkg>media-libs/dav1d</pkg> and <pkg>media-libs/libaom</pkg> library instead of bundled
system-harfbuzz	Use the system-wide <pkg>media-libs/harfbuzz</pkg> instead of bundled and <pkg>media-gfx/graphite2</pkg> in most cases
system-jpeg	Use the system-wide <pkg>media-libs/libjpeg-turbo</pkg> instead of bundled
system-libevent	Use the system-wide <pkg>dev-libs/libevent</pkg> instead of bundled
system-libvpx	Use the system-wide <pkg>media-libs/libvpx</pkg> instead of bundled
system-pipewire	Use system <pkg>media-video/pipewire</pkg> for WebRTC and screencast instead of bundled one
system-png	Use the system-wide <pkg>media-libs/libpng</pkg> instead of bundled (requires APNG patches)
system-webp	Use the system-wide <pkg>media-libs/libwebp</pkg> instead of bundled
telemetry
wasm-sandbox	Sandbox certain third-party libraries through WebAssembly using RLBox
wifi	Enable necko-wifi for NetworkManager integration, and access point MAC address scanning for better precision with opt-in geolocation services

x11-libs

fltk

Flag	Description
games
xft

gdk-pixbuf

Flag	Description
glycin
multilib
thumbnailer

x11-wm

mutter

Flag	Description
devkit
xwayland

---