Category USE flags

app-emulation

Flag	Description	Packages
abi_x86_32		2
abi_x86_64		2

app-portage

Flag	Description	Packages
appindicator	Install AppIndicator extension for GNOME systray icon support (SNI protocol)	2
btrfs	Enable Btrfs snapshot management in kernel configuration tab (requires kerneltools)	2
dracut	Enable dracut initramfs configuration editing (required by kerneltools)	2
grub2	GRUB2 bootloader support in kernel configuration (beta)	2
kerneltools	Enable kernel configuration tab with auto-compile hooks, bootloader management, and kernel tools	2
limine	Limine bootloader support in kernel configuration	2
refind	rEFInd bootloader support in kernel configuration (beta)	2
systemd	Install systemd service for gpkg-daemon	2
systemd-boot	systemd-boot bootloader support in kernel configuration (beta)	2

Local USE flags

app-emulation

wine-cachyos

Flag	Description
cpu_flags_x86_avx2	Use AVX2 optimized build (x86_64_v3)

app-portage

gpkg

Flag	Description
sourceview	Enable syntax highlighting in configuration editors (GtkSourceView)
vte	Enable embedded VTE terminal for Portage output

games-fps

quake3e

Flag	Description
client	Build the graphical game client
curl	Enable asynchronous HTTP/FTP map and pk3 downloads via cURL
dedicated	Build the headless dedicated server (quake3e.ded)
opengl	Build the OpenGL (GL1/GL2) renderer
vorbis	Enable Ogg/Vorbis music playback using system libogg/libvorbis
vulkan	Build the Vulkan renderer and make it the default (recommended)

net-misc

r8126

Flag	Description
dash	Enable support for DMTF DASH out-of-band system management
down-speed-100	Reduce speed to 100 Mbps in WOL-only modes
eee	Enable Energy-Efficient Ethernet by default
fiber	Enable Fiber PHY support
hw-acceleration	Enable use of hardware acceleration by default
hw-optim-tx	Enable hardware optimised TX (TX No Close) by default
multi-tx-q	Enable Multiple Tx Queue (RSS for sending)
ptp	Enable Precision Time Protocol support
rss	Enable Receive Side Scaling (RSS)
s5-keep-mac	Keep set MAC address in S5 (switched off) by default
use-firmware	Enable support for automatic firmware loading
wol	Enable Wake-On-LAN by default
wol-s5	Enable start from S5 (switched off) by Wake-On-LAN by default

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