Local USE flags

app-misc

premid

Flag Description
build-online Disable network-sandbox.

dev-util

ghidra-bin

Flag Description
opengl Enable OpenGL for proper GUI icon rendering on some systems
optimal-maxmemory Use recommended 1/4th physical memory limit for the Java heap size

lddtree-sh

Flag Description
test

media-gfx

gmic

Flag Description
X
bash-completion
cli Enable G'Mic CLI
ffmpeg
fftw
gimp
gimp3 Enable GIMP 3 support (Only for X11)
graphicsmagick
gui
jpeg
opencv Enable OpenCV support
openexr
openmp
png
static-libs
tiff

sys-apps

gendesk

Flag Description
man

sys-boot

limine

Flag Description
bios Build the x86 BIOS port
bios-cd Build the x86 BIOS CD image
bios-pxe Build the x86 BIOS PXE image
cd-efi Build the UEFI CD image
clang Use LLVM/Clang for building
custom-cflags
gnu Use GCC for building
uefi32 Build the IA-32 UEFI port
uefi64 Build the x86-64 UEFI port
uefiaa64 Build the aarch64 UEFI port