Global USE flags

Flag	Description	Packages
accessibility	Install accessibility packages	4
bluetooth	Bluetooth settings and transfers indicator	3
cups	Printer jobs indicator	2
debug		7
doc		15
examples		2
extra	CJK all weight	4
files	Enable Files lens in Dash	3
gnome	Install Gnome extra applications	2
gnome-shell	Install the GNOME Shell extensions (Onboard indicator and keyboard-window helper)	2
hud	Enable the backend for Unity's HUD	2
mate	Install MATE integration	2
music	Enable Music lens in Dash	2
nls		5
pch	Build using pre-compiled headers (it can lead to unclear build failures!)	3
photos	Enable Photos lens in Dash	2
systemd		6
telepathy	Enable telepathy framework as data source	2
test		22
video	Enable Video lens in Dash (requires the Music lens)	2

Category USE flags

dev-libs

Flag	Description	Packages
coverage	Include coverage reports (gcov, lcov)	4

unity-base

Flag	Description	Packages
colord	Support color management using <pkg>x11-misc/colord</pkg>	2
gles2	Use OpenGL ES 2.0	3
input_devices_wacom		2
l10n_		2

x11-themes

Flag	Description	Packages
optimize	Enable icons optimization	2

Local USE flags

app-accessibility

onboard

Flag	Description
wayland

dev-java

jayatana

Flag	Description
system-wide	Enable Jayatana system-wide way

gnome-extra

zeitgeist

Flag	Description
datahub	Use build datahub for passive event injection
downloads-monitor	Monitor the XDG_DOWNLOAD_DIRECTORY
fts	Enable the full text search extension
icu
introspection
sql-debug	Enable SQL debugging

media-libs

glewmx

Flag	Description
static-libs

net-libs

geonames

Flag	Description
demo	Build demo application

net-mail

mailnag

Flag	Description
messagingmenu	Install the plugin integrating Mailnag with the Messaging Menu (indicator-messages)

net-misc

vino

Flag	Description
crypt
ipv6
jpeg
keyring
ssl
zeroconf

unity-base

gentoo-unity-env

Flag	Description
dev	Unmask overlay development packages with missing keyword (experimental)

unity

Flag	Description
bfb2013	Classic Dash home button since 2013
bfb2023	Ubuntu Unity Dash home button since 2023
classic-dash	Classic horizontal Dash with bottom scope bar
classic-panel	Classic non-transparent panel with shadow
systray	Enable system tray support in the notification area for all applications
uwidgets	Plugin system for Unity to display widgets on top of background

unity-control-center

Flag	Description
gnome-online-accounts	Enable configuration panel for <pkg>net-libs/gnome-online-accounts</pkg> accounts
kerberos
networkmanager
sharing	Install Sharing panel feature packages
v4l
vnc	Enable VNC server for GNOME (screen sharing)

unity-greeter

Flag	Description
ready-sound	Play system ready sound

unity-meta

Flag	Description
apps	Install web browser, email client and office suite, defaults to <pkg>www-client/firefox</pkg>, <pkg>mail-client/thunderbird</pkg> and <pkg>app-office/libreoffice</pkg>
chat	Install instant messenger, defaults to <pkg>net-im/pidgin</pkg>
classic-unity	Install classic Unity look with Ambiance theme, ubuntu-font-family, non-transparent panel with shadow, and horizontal Dash
core	Install Unity core applications
fonts	Install additional fonts
games	Install games

unity-settings

Flag	Description
classic-fonts	Prefer Ubuntu classic and DejaVu fonts
classic-theme	Set Ambiance theme as the default one
lowgfx	Enable Low Graphics Mode
ubuntu-sounds	Enable Ubuntu's default audio theme

unity-settings-daemon

Flag	Description
i18n	Enable support for enhanced input methods through <pkg>app-i18n/ibus</pkg>
rfkill	build support for rfkill
short-touchpad-timeout	Change the touchpad timeout so that it's effective for fast typists
udev

unity-extra

diodon

Flag	Description
appindicator	Enable build of indicator plugin
scope	Enable build of unity scope

indicator-psensor

Flag	Description
hddtemp

unity-indicators

indicator-appmenu

Flag	Description
tools	Install tools for debugging application menus

indicator-datetime

Flag	Description
eds	Enable support for Evolution-Data-Server

indicator-keyboard

Flag	Description
charmap	Enable Character Map

indicator-power

Flag	Description
powerman	Enable Gnome Power Manager

indicator-session

Flag	Description
help	Enable 'Unity Help' menu item linking to Unity documentation

indicator-sound

Flag	Description
rtkit	Pull in <pkg>sys-auth/rtkit</pkg> to allow realtime scheduling priority for the sound server (PipeWire or PulseAudio)

unity-indicators-meta

Flag	Description
appearance	Ubuntu Unity theme indicator
battery	Battery power indicator
java11	Java 11 application menu support via <pkg>dev-java/jayatana</pkg>
java17	Java 17 application menu support via <pkg>dev-java/jayatana</pkg>
java21	Java 21 application menu support via <pkg>dev-java/jayatana</pkg>
java25	Java 25 application menu support via <pkg>dev-java/jayatana</pkg>
java8	Java 8 application menu support via <pkg>dev-java/jayatana</pkg>
keyboard	Keyboard layout indicator
mail	Mail notification daemon integrated into messaging menu
notifications	Collects recent messages sent with libnotify to a notification daemon
paste	Copy/Paste clipboard indicator
sensors	Hardware sensors indicator such as CPU temp
session	Session management indicator
sound	Audio control and application launching indicator
weather	Weather indicator

unity-lens

unity-lens-meta

Flag	Description
plugins	Additional scopes for the Dash

unity-scope-extras

Flag	Description
audacious	Audacious scope for Unity
calculator	Calculator scope for Unity
chromiumbookmarks	Chromium bookmarks scope for Unity
devhelp	devhelp scope for Unity
firefoxbookmarks	Firefox bookmarks scope for Unity
manpages	Manual pages scope for Unity
texdoc	Texdoc scope for Unity
virtualbox	VirtualBox scope for Unity

x11-misc

notify-osd

Flag	Description
minimal

x11-themes

ubuntu-wallpapers

Flag	Description
artful	Artful Aardvark wallpapers
bionic	Bionic Beaver wallpapers
cosmic	Cosmic Cuttlefish wallpapers
disco	Disco Dingo wallpapers
eoan	Eoan Ermine wallpapers
focal	Focal Fossa wallpapers
groovy	Groovy Gorilla wallpapers
hirsute	Hirsute Hippo wallpapers
impish	Impish Indri wallpapers
jammy	Jammy Jellyfish wallpapers
karmic	Karmic Koala wallpapers
kinetic	Kinetic Kudu wallpapers
lucid	Lucid Lynx wallpapers
lunar	Lunar Lobster wallpapers
mantic	Mantic Minotaur wallpapers
maverick	Maverick Meerkat wallpapers
natty	Natty Narwhal wallpapers
noble	Noble Numbat wallpapers
oneiric	Oneiric Ocelot wallpapers
oracular	Oracular Oriole wallpapers
plucky	Plucky Puffin wallpapers
precise	Precise Pangolin wallpapers
quantal	Quantal Quetzal wallpapers
questing	Questing Quokka wallpapers
raring	Raring Ringtail wallpapers
resolute	Resolute Raccoon wallpapers
saucy	Saucy Salamander wallpapers
stonking	Stonking Stingray wallpapers
trusty	Trusty Tahr wallpapers
utopic	Utopic Unicorn wallpapers
vivid	Vivid Vervet wallpapers
wily	Wily Werewolf wallpapers
xenial	Xenial Xerus wallpapers
yakkety	Yakkety Yak wallpapers
zesty	Zesty Zapus wallpapers

yaru-theme

Flag	Description
cinnamon	Build Yaru with Cinnamon flavour
unity	Build Yaru with Unity assets
xfwm	Build Yaru with xfwm4 assets

---