Global USE flags

Flag Description Packages
debug 3
test 3
udev 5

Category USE flags

x11-base

Flag Description Packages
elogind Use elogind to get control over framebuffer when running as regular user 2
gbm 2
glx 2
glx-dri 2
minimal 2
seatd 2
selinux 2
suid 2
systemd 2
unwind Enable libunwind usage for backtraces 2
xcsecurity Build Security extension 2
xephyr Build the Xephyr server 2
xfbdev 2
xinerama 2
xnest Build the Xnest server 2
xorg Build the Xorg X server (HIGHLY RECOMMENDED) 2
xvfb Build the Xvfb server 2

x11-drivers

Flag Description Packages
tools Install additional tools such as nvidia-settings 2

Local USE flags

x11-base

xlibre-drivers

Flag Description
input_devices_elographics
input_devices_evdev
input_devices_joystick
input_devices_keyboard
input_devices_libinput
input_devices_mouse
input_devices_synaptics
input_devices_vmmouse
input_devices_void
input_devices_wacom
video_cards_amdgpu
video_cards_ast
video_cards_dummy
video_cards_fbdev
video_cards_freedreno
video_cards_geode
video_cards_i915
video_cards_intel
video_cards_mga
video_cards_nouveau
video_cards_nvidia
video_cards_omap
video_cards_qxl
video_cards_r128
video_cards_radeon
video_cards_radeonsi
video_cards_siliconmotion
video_cards_tegra
video_cards_vc4
video_cards_vesa
video_cards_via
video_cards_virtualbox
video_cards_vmware

x11-drivers

nvidia-drivers

Flag Description
X
abi_x86_32
abi_x86_64
kernel-open Use the open source variant of the drivers (only works for Turing/Ampere or newer GPUs, aka GTX 1650+ -- recommended with >=560.xx drivers if usable and is *required* for 50xx Blackwell or newer GPUs)
persistenced Install the persistence daemon for keeping devices state when unused (e.g. for headless)
powerd Install the NVIDIA dynamic boost support daemon (only useful with specific laptops, ignore if unsure)
static-libs Install the XNVCtrl static library for accessing sensors and other features

xf86-video-geode

Flag Description
ztv Enable building the V4L2 ZTV driver

xf86-video-intel

Flag Description
dri
sna Enable SandyBridge's New Acceleration (useful on all chipsets, not just SandyBridge)
uxa Enable UMA Acceleration Architecture
valgrind
xvmc Enables X-Video Motion Compensation support

xf86-video-qxl

Flag Description
xspice Include Xspice, a standard X server that is also a Spice server