Global USE flags

Flag	Description	Packages
doc	Build HTML and man page documentation	3

Category USE flags

app-misc

Flag	Description	Packages
test		2

games-arcade

Flag	Description	Packages
force-wayland	Tell the game to use Wayland instead of X	2
osu-sdl3-disable	Tell the game to use SDL2, regardless of upstream choice	2
osu-sdl3-enable	Tell the game to use SDL3, regardless of upstream choice	2
telemetry	Report usage information and any encountered errors to osu!lazer developers	2

Local USE flags

app-misc

ntfy

Flag	Description
server	Build server-side code (not including web interface)
web	Build the web interface to interact with the ntfy server

net-misc

pimsync

Flag	Description
jmap	Very experimental support for JMAP (for storage)
lto

sys-apps

makedumpfile

Flag	Description
debug
lzo
snappy
zstd

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