Global USE flags

Flag	Description	Packages
python		2
test		13

Local USE flags

app-misc

gebuilder

Flag	Description
autoupdate	Configures the system to auto-update existing images.
btrfs	Enable support for btrfs filesystem formatting (saves space for many images).
docker	Docker image generation functionality.
openstack	Openstack image generation functionality.

repositorg

Flag	Description
systemd

dev-vcs

dandi-cli

Flag	Description
etelemetry	version checking to respect server schema version

gui-apps

waybar-tooltips

Flag	Description
khal	Calendar tooltip via khal
weather	Weather tooltip via wttr.in and ansiweather fallback

net-im

toxic

Flag	Description
X
audio-notify	Enables native sound notifications
debug
experimental	Use experimental features in net-libs/tox
games	Enables some small mini-games
llvm	Enables support for LLVM Address Sanitizer
notification	Enables desktop notifications with libnotify, with sound support.
png
qrcode	Enables QR code support
sound	Enables audio calling
video	Enables video calling

net-misc

pipe-viewer

Flag	Description
gtk	Install the GTK3 GUI

sci-biology

afni

Flag	Description
whirlgif

bidsschematools

Flag	Description
render	Support for schema table rendering

neuroconv

Flag	Description
ecephys	Extracellular electrophysiology interfaces
icephys	Intracellular electrophysiology interfaces
ophys	Optical physiology interfaces

sci-libs

libxc

Flag	Description
fortran
static-libs

simpleitk

Flag	Description
tcl

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