Global USE flags

Flag Description Packages
cuda Build with NVIDIA CUDA GPU offloading for resident expert tensors 3
gui Build GTK4/Adwaita GUI for enrollment and configuration 3
openmp 2
python Install the coli Python CLI for model management, chat, serving, and weight conversion 2
rocm Build with AMD ROCm/HIP GPU offloading for resident expert tensors 2
test 2

Local USE flags

app-admin

cockpit

Flag Description
doc Build man pages with asciidoctor
selinux Build and install SELinux policy module

dev-util

pi-coding-agent

Flag Description
webui

games-util

joystickwake

Flag Description
dbus

mail-client

geary

Flag Description
ytnef Support Microsoft-proprietary TNEF attachments

media-gfx

comfyui

Flag Description
audio
migraphx

gmic

Flag Description
X
bash-completion
cli Build command-line interface
ffmpeg Enable video support via <pkg>media-video/ffmpeg</pkg>
fftw Enable FFTW support via <pkg>sci-libs/fftw</pkg>
gimp Build GIMP plugin
graphicsmagick Enable GraphicsMagick support
jpeg
opencv Enable OpenCV support via <pkg>media-libs/opencv</pkg>
openexr Enable OpenEXR support
png
static-libs
tiff

net-print

brother-mfcl3760cdw-bin

Flag Description
scanner

sci-ml

bitnet

Flag Description
cpu_flags_arm_neon
cpu_flags_x86_avx2

colibri

Flag Description
bench Install dependencies for quality benchmarks (MMLU, HellaSwag, ARC)

gaia

Flag Description
api Install FastAPI-based REST API server dependencies
mcp Install Model Context Protocol server dependencies
rag Install retrieval-augmented generation dependencies
ui Install web UI dependencies including PyTorch

lemonade

Flag Description
systemd Link against libsystemd for journal log support and install the lemond.service unit file
webapp Build the bundled web application frontend

sys-auth

gaze

Flag Description
gnome Install GNOME Shell extension for GDM face authentication

sys-kernel

raspberrypi-kernel

Flag Description
debug
initramfs
strip