Global USE flags

Flag Description Packages
systemd Enable systemd support 3
tests Build embedded tests 6

Category USE flags

dev-qt

Flag Description Packages
3d Build Qt3D module 5
connectivity Build Qt Connectivity module 5
declarative Build Qt Declarative module 5
gamepad Build Qt Gamepad module 5
graphicaleffects Build Qt Graphical Effects module 5
location Build with location support 5
multimedia Build Qt Multimedia module 5
qpa_platform_directfb Build platform support for directfb 5
qpa_platform_eglfs Build platform support for eglfs 5
qpa_platform_gbm Build platform support for gbm 5
qpa_platform_kms Build platform support for kms 5
qpa_platform_linuxfb Build platform support for linuxfb 5
qpa_platform_mirclient Build platform support for mir 5
qpa_platform_xcb Build platform support for xcb (X11) 5
quick Build with Qt Quick 1 support 5
quick2 Build with Qt Quick 2 support 5
script Build Qt Script module 5
sensors Build Qt Sensor module 5
serialbus Build Qt Serial Bus module 5
serialport Build Qt Serial Port module 5
tools Build with standard developer tools 5
webchannel Build Qt WebChannel module 5
webengine Build Qt WebEngine module 5
webview Build Qt WebView module 5

Local USE flags

app-misc

ollama

Flag Description
cpu_flags_x86_avx
cpu_flags_x86_avx2
cpu_flags_x86_avx512_bf16
cpu_flags_x86_avx512_vnni
cpu_flags_x86_avx512f
cpu_flags_x86_avx512vbmi
cuda Enable NVIDIA CUDA support
video_cards_amdgpu

wiimotedev

Flag Description
daemon
io
manager

dev-util

kdevelop

Flag Description
gdbui Enable GUI for attaching GDB to a running process
hex Enable hex editor plugin via <pkg>app-editors/okteta</pkg>
plasma
qmake Enable support for QMake build system
reviewboard Enable reviewboard support
subversion

media-gfx

laser-engraver

Flag Description
benchmark
test

led-frame

Flag Description
(rpi)
(rpi3)
X
benchmarks
dispmanx
mobile
rpi3
rpi4

media-sound

kinect-audio-setup

Flag Description
firmware
udev