Global USE flags

Flag	Description	Packages
X	Build the XCB platform plugin and enable X11 integration	10
accessibility		2
alsa		6
aqua		2
avahi		2
bundled-jdk	Use bundled jdk	2
cups		2
curl		2
debug		7
doc		10
examples		5
gamepad		2
gnutls		2
gstreamer		2
gtk		4
gui		3
introspection		2
jack		3
jpeg		2
jumbo-build		2
lzo		2
mbedtls		2
mysql		3
network		3
nls		2
opengl		4
oss		2
pam		4
plugins		2
png		3
postgres		4
pulseaudio		5
python		6
qml	Enable QML support in lupdate	12
sdl		3
seccomp		2
selinux		3
spell		2
ssl		6
static-libs		6
systemd		7
test		14
tools		2
udev		4
vnc		2
wayland	Provide <pkg>dev-qt/qtwayland</pkg> to ensure Qt applications can be run as Wayland clients	4

Category USE flags

dev-qt

Flag	Description	Packages
dbus		2
evdev	Enable support for input devices via evdev	2
gles2-only		8
jit		2
vulkan		4
widgets		6

net-wireless

Flag	Description	Packages
airspy		2
bladerf		2
hackrf		2
portaudio		3
rtlsdr		2
uhd		2

Local USE flags

app-benchmarks

glmark2

Flag	Description
drm
gles2

app-editors

neovim

Flag	Description
lua_single_target_luajit
nvimpager

app-emulation

qemu-stealth

Flag	Description
$(printf
aio
bpf
bzip2
capstone
fdt
fuse
glusterfs
infiniband
io-uring
iscsi
jemalloc
keyutils
multipath
ncurses
nfs
numa
pin-upstream-blobs
pipewire
rbd
sasl
sdl-image
slirp
smartcard
snappy
spice
ssh
static-user
systemtap
usb
usbredir
vde
vhost-net
virgl
virtfs
vte
xattr
xen
zstd

app-text

mupdf

Flag	Description
archive
javascript

dev-cpp

cpprest

Flag	Description
brotli
websockets

dev-db

sqldeveloper

Flag	Description
mssql
sybase

dev-libs

libevent

Flag	Description
clock-gettime
malloc-replacement
verbose-debug

nng

Flag	Description
compat
deprecated

dev-python

pymupdf

Flag	Description
tesseract

dev-qt

designer

Flag	Description
declarative	Build the qdeclarativeview plugin

qtcore

Flag	Description
icu
old-kernel	Disable syscalls not available on Linux kernels older than 4.11

qtdeclarative

Flag	Description
cpu_flags_x86_sse2
localstorage

qtgui

Flag	Description
egl
eglfs	Build the EGL Full Screen/Single Surface platform plugin
ibus	Build the IBus input method plugin
libinput	Enable support for input devices via <pkg>dev-libs/libinput</pkg>
linuxfb	Enable Linux framebuffer support for embedded devices
tslib	Enable support for touchscreen devices via <pkg>x11-libs/tslib</pkg>
tuio	Build plugin to receive touch events over the TUIO protocol

qtimageformats

Flag	Description
mng

qtmultimedia

Flag	Description
openal

qtnetwork

Flag	Description
gssapi	Enable support for GSSAPI (<pkg>virtual/krb5</pkg>)
libproxy	Use <pkg>net-libs/libproxy</pkg> for automatic HTTP/SOCKS proxy configuration
sctp

qtpositioning

Flag	Description
geoclue

qtscript

Flag	Description
scripttools

qtspeech

Flag	Description
flite

qtsql

Flag	Description
freetds
oci8
odbc
sqlite

qtvirtualkeyboard

Flag	Description
handwriting

qtwayland

Flag	Description
compositor

qtwebengine

Flag	Description
bindist
designer
geolocation
kerberos
screencast
system-icu

dev-util

reveng

Flag	Description
man

games-simulation

openrct2

Flag	Description
dedicated
flac
scripting
truetype
vorbis

gui-wm

hyprland

Flag	Description
legacy-renderer
video_cards_nvidia

media-plugins

calf

Flag	Description
cpu_flags_x86_sse
experimental	Enable experimental features/plugins
lash
lv2	Add support for Ladspa V2

net-dialup

ppp

Flag	Description
activefilter
atm

net-libs

libssh2

Flag	Description
gcrypt
zlib

webkit-gtk

Flag	Description
avif
jpegxl
keyring
lcms
pdf

net-vpn

openvpn

Flag	Description
dco
down-root
inotify
iproute2
lz4
openssl
pkcs11

net-wireless

gnuradio

Flag	Description
analog
audio
channels
digital
dtv
fec
filter
grc
modtool
performance-counters
qt5
trellis
utils
vocoder
wavelet
zeromq

gqrx

Flag	Description
gr-audio	Use audio support from <pkg>net-wireless/gnuradio</pkg>

gr-osmosdr

Flag	Description
iqbalance
sdrplay
soapy
xtrx

sdrpp

Flag	Description
airspyhf
audiosink
discord
limesdr
plutosdr
soapysdr
spyserver

sci-geosciences

qgis

Flag	Description
3d
georeferencer
grass
hdf5
mapserver
netcdf
opencl
oracle
pdal
polar
serial

x11-drivers

nvidia-drivers-460.91.03

Flag	Description
driver

x11-libs

gtk+

Flag	Description
broadway	Enable the GDK Broadway backend
colord	Use <pkg>x11-misc/colord</pkg> for color management in printing
gtk-doc
sysprof	Enable profiling data capture support using <pkg>dev-util/sysprof-capture</pkg>
vim-syntax
xinerama

x11-misc

multibar

Flag	Description
i3wm
ipc
mpd

xfe

Flag	Description
startup-notification

xsecurelock

Flag	Description
mplayer
mpv
xscreensaver

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