Global USE flags

Flag	Description	Packages
apache2	Use www-servers/apache2 as web server (and user:group)	2
cuda	Enable NVIDIA CUDA support	2
curl	Enable using net-misc/curl for streaming from cameras	3
debug	Raises log-level to DEBUG, enables runtime checks and address sanitizer	5
examples	Compiles and installs the provided example binaries and sources	2
gnutls		3
imlib		2
ipv6		3
ldap		3
ssl		2
static-libs		5
test	Builds the provided unit tests	6
tools	Builds caf-run and caf-vec tools	2

Category USE flags

dev-libs

Flag	Description	Packages
doc	Compiles and installs the documentation as PDF and HTML	2
openssl	Use dev-libs/openssl to provide support communication over TLS	2

net-proxy

Flag	Description	Packages
berkdb		2

Local USE flags

app-crypt

hashcat

Flag	Description
brain	Enable the hashcat brain
video_cards_nvidia

app-misc

brightnessctl

Flag	Description
elogind
systemd
udev

cmatrix

Flag	Description
X

dev-libs

libfido2

Flag	Description
fuzz	Include fuzzer library
hidapi	Enable HID API support
nfc	Enable experimental NFC support
smartcard

dev-util

nvidia-cuda-toolkit

Flag	Description
clang	Depend on <pkg>llvm-core/clang</pkg> as host compiler
debugger	Install the CUDA debugger
nsight	Install profiling and optimizing tools (nsight-compute, nsight-systems)
profiler	Install the NVIDIA CUDA profiler (nvprof) and the related libraries
rdma	Enable infiniband support via <pkg>sys-cluster/rdma-core</pkg>
sanitizer	Install compute-sanitizer tool

mail-filter

opendmarc

Flag	Description
reports	Install the reports binaries: expire, import, reports, params
spf	Use the <pkg>mail-filter/libspf2</pkg> for Sender Policy Framework checking

net-analyzer

echoping

Flag	Description
http	enable support for http protocol.
icp	enable support for ICP (used to monitor proxies).
idn
postgres
priority	enable socket priority support.
smtp	enable support for SMTP protocol.
tos	enable support for TOS (TYpe Of Service).

fping

Flag	Description
suid

smokeping

Flag	Description
dig	Install <pkg>net-dns/bind-tools</pkg> for dig functionality
echoping	Install <pkg>net-analyzer/echoping</pkg> for echoping functionality
radius

zeek

Flag	Description
btest	Enable packages systems tests using BTest
caf	Build against external C++ Actor Framework (for development only)
geoip2	Enable support for Maxmind's GeoIP library
ipsumdump	Enables ipsumdump support for trace-summary
jemalloc
kerberos
nodejs	JavaScript runtime, optional for nodejs zeek scripts
python	Enable Python bindings for broker
sendmail	Enables Zeek and ZeekControl to send mail
tcmalloc	Enable Google's performance analysis tools
zeekctl	Enable ZeekControl, a tool for operating Zeek installations

net-misc

dhcp-fwd

Flag	Description
diet	compiles with diet libc
logging	compiles with logging support

net-proxy

c-icap

Flag	Description
logrotate	Install logrotate.d file

sci-ml

ollama

Flag	Description
"(
(
)
)"
avx
avx2
avx512_vnni
avx512f
avx512vbmi
avx_vnni
blas
bmi2
f16c
fma3
mkl	Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines
rocm	Enable ROCm gpu computing support
sse4_2
vulkan

sys-fs

bcachefs-tools

Flag	Description
verify-sig

www-misc

zoneminder

Flag	Description
gcrypt	...
mmap
mqtt	Enable MQTT event publishing via app-misc/mosquitto
nginx	Use www-servers/nginx as web server (and user:group)
vlc	Enable using media-libs/vlc for streaming from cameras

x11-misc

alock

Flag	Description
pam
xbacklight	Build with <pkg>x11-apps/xbacklight</pkg>.

x11-wm

fluxbox

Flag	Description
bidi
nls
slit	Enables the Fluxbox slit (or dock)
systray	Enables the system tray in the Fluxbox toolbar
toolbar	Enables the Fluxbox toolbar
truetype
vim-syntax
xinerama

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