Global USE flags

Flag	Description	Packages
(		3
)		3
blas		3
blas_openblas		5
cuda		5
doc		5
fortran		2
mpi		5
openmp		7
python		2
rocm		4
static-libs		3
systemd		4
test		5

Category USE flags

sci-ml

Flag	Description	Packages
"(		2
)"		2
avx		2
avx2		2
avx512_vnni		2
avx512f		2
avx512vbmi		2
avx_vnni		2
bmi2		2
f16c		2
fma3		2
sse4_2		2

sci-physics

Flag	Description	Packages
elpa		3
fftw		2
libxc		2
scalapack		3

sys-cluster

Flag	Description	Packages
valgrind		2

virtual

Flag	Description	Packages
eselect-ldso		3

Local USE flags

dev-embedded

stm32-openocd

Flag	Description
capstone
cmsis-dap
dummy
ftdi
gpiod
jlink
parport
usb
verbose-io

dev-python

cling-kernels

Flag	Description
cpp11
cpp14
cpp17
cpp1z

gevent

Flag	Description
examples

jupyterhub

Flag	Description
ldapauthenticator
postgres
sudospawner

mail-mta

sendr4d4

Flag	Description
mta

net-misc

zapret2

Flag	Description
nftables

sci-astronomy

fs

Flag	Description
abi_x86_32
strip-sources

sci-libs

elpa

Flag	Description
cpu_flags_x86_avx
cpu_flags_x86_avx2
cpu_flags_x86_avx512
cpu_flags_x86_sse
cpu_flags_x86_sve128
cpu_flags_x86_sve256
cpu_flags_x86_sve512

libxc

Flag	Description
disable-fhc

pslibrary

Flag	Description
Ac
Ag
Al
Ar
As
At
Au
B
Ba
Be
Bi
Br
C
Ca
Cd
Ce
Cl
Co
Cr
Cs
Cu
Dy
Er
Eu
F
Fe
Fr
Ga
Gd
Ge
H
He
Hf
Hg
Ho
I
In
Ir
K
Kr
La
Li
Lu
Mg
Mn
Mo
N
Na
Nb
Nd
Ne
Ni
Np
O
Os
P
Pa
Pb
Pd
Pm
Po
Pr
Pt
Pu
Ra
Rb
Re
Rh
Rn
Ru
S
Sb
Sc
Se
Si
Sm
Sn
Sr
Ta
Tb
Tc
Te
Th
Ti
Tl
Tm
U
V
W
Xe
Y
Yb
Zn
Zr
\

sci-ml

ggml

Flag	Description
mkl

llama-cpp

Flag	Description
curl
server

torchaudio

Flag	Description
ffmpeg
rnnt

sci-physics

abinit

Flag	Description
wannier90

ase

Flag	Description
visualize

gpaw

Flag	Description
setups
vdwxc

quantum-espresso

Flag	Description
hdf5
system-blas
system-fftw
system-lapack

sys-block

libfabric

Flag	Description
efa
rocr
usnic
verbs

sys-cluster

mpich

Flag	Description
cxx
mpi-threads
romio
threads

rdma-core

Flag	Description
lttng
neigh

www-servers

uwsgi

Flag	Description
${LANG_SUPPORT_EXTENDED[@]}
${LANG_SUPPORT_SIMPLE[@]}
${LUA_REQUIRED_USE}
${PYTHON_REQUIRED_USE}
apache2
caps
cgi
debug
embedded
expat
go
jemalloc
json
lua
mono
pcre
perl
php
python-asyncio
python-gevent
routing
ruby
selinux
ssl
uwsgi_plugins_
uwsgi_plugins_corerouter
xml
yajl
yaml
zeromq

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