Global USE flags

Flag	Description	Packages
cuda	Add support for CUDA processing	4
debug		5
doc		5
examples		4
gui	Build and install legion_gui and legion_cli	4
kerberos	Enable Kerberos authentication support	3
ldap		2
mysql	mysql support	5
pam		2
postgres		2
python	Enable support for python and install python tools	6
readline		2
redis	install local server	2
samba		2
selinux		2
sqlite		3
ssl		3
systemd		4
test		28
tools	Install extra bazel tools to build from sources	3

Category USE flags

dev-python

Flag	Description	Packages
fast	Ultra-fast asyncio	2
proxy	proxy support	2

www-apps

Flag	Description	Packages
mariadb	mariadb support	2

Local USE flags

app-arch

p7zip

Flag	Description
abi_x86_x32
natspec	Use <pkg>dev-libs/libnatspec</pkg> to correctly decode non-ascii file names archived in Windows.
pch
rar	Enable support for non-free rar decoder

app-editors

antigravity-bin

Flag	Description
egl	Use EGL for OpenGL rendering
wayland	Enable Wayland support with Ozone platform

app-misc

far2l

Flag	Description
X
archive	Enable arhive support
chardet	Enable encoding detector library
colorer	Enable colorer
nfs	Enable nfs support
sftp	Enable sftp support
webdav	Enable webdav support
wxwidgets

goldencheetah

Flag	Description
oauth	Enable OAuth for Strava etc

lenovolegionlinux

Flag	Description
downgrade-nvidia	Downgrade nvidia for 525 to enable TDP control (systemd-service)
elogind	Enable legiond-onresume openrc support

dev-java

jgraphx

Flag	Description
source

dev-libs

fastText

Flag	Description
lid176	Language identification model, faster and slightly more accurate
lid176ftz	Language identification model, compressed

openssl-compat

Flag	Description
asm
bindist
cpu_flags_x86_sse2
gmp
rfc3779
sctp
sslv2
sslv3
static-libs
tls-heartbeat
vanilla
zlib

dev-python

aiogram

Flag	Description
docs	install docs
i18n	i18n support

aiomysql

Flag	Description
sqlalchemy	Sqlalchemy support

deep-translator

Flag	Description
docx	Add support for parsing docx files
openai	Add openai support
pypdf	Add support for parsing pdf files

numba

Flag	Description
tbb

openai

Flag	Description
datalib	Make data libraries like `numpy` and `pandas` optional dependencies (130MB+)

peewee-async

Flag	Description
psycopg	PostgreSQL psycopg3 backend support

pint

Flag	Description
babel
numpy
uncertainties

py-pdf-parser

Flag	Description
developer	Bring in deps needed for development

python-roborock

Flag	Description
cli	optional dependencies for cli tools

python-socketio

Flag	Description
asyncio-client	Allow client to work async
client	Support client

pywebview

Flag	Description
gtk
pyqt5	Use <pkg>dev-python/pyqt5</pkg> as Qt for Python implementation

dev-util

claude-desktop

Flag	Description
appindicator
cowork

games-util

amxmodx

Flag	Description
cstrike	Enable cstrike game support
dod	Enable dod game support
esf	Enable esf game support
ns	Enable ns game support
tfc	Enable tfc game support
ts	Enable ts game support

gnome-extra

yad

Flag	Description
deprecated	Construire avec les options dépréciées
icon-browser	Construire l'explorateur d'icônes
sourceview	Activer le support de <pkg>x11-libs/gtksourceview</pkg>
spell
standalone	Construire le binaire autonome (sans gsettings)
tray	Construire avec l'icône de statut
webkit

media-sound

pykaraoke

Flag	Description
mutagen

net-dialup

freeradius

Flag	Description
firebird
iodbc
memcached	Include <pkg>dev-libs/libmemcached</pkg> in caching drivers
mongodb	Include support for MongoDB database
odbc
oracle
wpe	Include support for WPE hacking

net-fs

cifs-utils

Flag	Description
acl
ads	Enable Active Directory support and create cifs.idmap binary - idmap support
caps	Enable <pkg>sys-libs/libcap-ng</pkg> support
creds	cifs credentials support

net-im

jitsi

Flag	Description
autorecording	Add option to automatically record calls

net-misc

qnearbyshare

Flag	Description
openssl	Use OpenSSL for cryptography instead of Crypto++

net-print

mfc9140cdnlpr

Flag	Description
pax_kernel

net-vpn

cloudflare-warp

Flag	Description
dex	Enable Digital Experience Monitoring
systray	Support systray

net-wireless

wpa_supplicant

Flag	Description
ap
broadcom-sta
dbus
eap-sim
eapol-test
fils
macsec
mbo
mesh
p2p
privsep
smartcard
tkip
uncommon-eap-types
wep
wps

sci-libs

tensorflow

Flag	Description
cpu_flags_x86_
mpi
xla	XLA (Accelerated Linear Algebra) Optimizing Compiler for TensorFlow

sys-fs

encfs

Flag	Description
nls

www-apps

seafile-pro-server

Flag	Description
fuse	Enable seaf-fuse support
psd	Enable Adobe Photoshop PSD files indexing
saml	Add SAML 2.0 authentication support

www-servers

nginx-unit

Flag	Description
${IUSE}
${PYTHON_REQUIRED_USE}
perl
php8-3	Support for PHP 8.3
php8-4	Support for PHP 8.4
ruby

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