Global USE flags

Flag	Description	Packages
cuda	Build NVIDIA CUDA kernels	4
fcitx	Set IME environment variables for fcitx in the wps-office launcher scripts.	2
ibus	Set IME environment variables for ibus in the wps-office launcher scripts.	2
kde	Install KDE Plasma folder color variants	3
rocm	Build AMD ROCm/HIP kernels	2
systemd	Use systemd's D-Bus library instead of the bundled libdbus	2
test		2
wayland	Enable experimental Wayland support in JetBrains Runtime.	3

Category USE flags

sci-misc

Flag	Description	Packages
openmp		2

x11-themes

Flag	Description	Packages
minimal	Install only the default folder colors and scheme	2

Local USE flags

app-admin

cockpit

Flag	Description
debug	Enable debug information.
doc
firewalld	Enable firewalld management support.
networkmanager
pcp	Enable system performance and analysis support.
selinux
tuned	Enable performance profile management support.
udisks

app-misc

bcompare

Flag	Description
caja	Install the Caja extension.
nautilus	Install the Nautilus extension.
nemo	Install the Nemo extension.
thunar	Install the Thunar extension.

chatgpt-desktop

Flag	Description
apparmor	Install the AppArmor profile.
qt6	Use the Qt 6 integration shim.

app-text

goldendict-ng

Flag	Description
epwing	Enable EPWING dictionary support
ffmpeg	Enable FFmpeg-based media playback support
zim	Enable ZIM archive support

kde-misc

kwin-effects-glass

Flag	Description
X

media-gfx

comfyui

Flag	Description
optional	Install upstream non-essential Python features.

net-im

wechat

Flag	Description
bwrap	Use <pkg>sys-apps/bubblewrap</pkg> to reduce filesystem exposure and limit privacy leakage.

net-misc

xrdp

Flag	Description
fuse	Enable FUSE support for clipboard file and drive redirection.
imlib	Enable image support via imlib2.
ipv6	Enable IPv6 support.
jpeg	Enable JPEG support.
mp3	Enable MP3 support via lame.
opus	Enable Opus audio codec support.
pam	Enable PAM authentication support.
x264	Enable H.264 support via x264.

sci-misc

kvmem-llama-cpp

Flag	Description
cpu_flags_x86_avx
cpu_flags_x86_avx2
cpu_flags_x86_bmi2
cpu_flags_x86_f16c
cpu_flags_x86_fma3
cpu_flags_x86_sse4_2

prism-llama-cpp

Flag	Description
curl	Enable model downloads from Hugging Face
openssl	Enable HTTPS support
vulkan

x11-themes

colloid-icon-theme

Flag	Description
alternative	Install alternative software center and file manager icons when supported by the upstream installer
bold	Install bolder panel icons

tela-icon-theme

Flag	Description
hardlink	Hardlink identical icon files to reduce disk usage

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