# Copyright 2007-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# Keep them sorted

X - Adds support for X11
build - !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1]
cairo - Enable support for the cairo graphics library
cjk - Adds support for Multi-byte character languages (Chinese, Japanese, Korean)
curl - Adds support for client-side URL transfer library
dbus - Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc)
debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml .
doc - Adds extra documentation (API, Javadoc, etc)
emacs - Adds support for GNU Emacs
geoip - Add geoip support
gnome - Adds GNOME support
hardened - activate default security enhancements for toolchain (gcc, glibc, binutils)
iconv - Enable support for the iconv character set conversion library
kerberos - Adds kerberos support
libnotify - Enable notification support
lua - Enable Lua scripting support
mp3 - Add support for reading mp3 files
mpeg - Adds libmpeg3 support to various packages.
pam - Adds support PAM (Pluggable Authentication Modules) - DANGEROUS to arbitrarily flip
pcre - Adds support for Perl Compatible Regular Expressions
pdf - Adds general support for PDF (Portable Document Format), this replaces the pdflib and cpdflib flags
pulseaudio - Adds support for PulseAudio sound server
savedconfig - Use this to restore your config from /etc/portage/savedconfig ${CATEGORY}/${PN}. Make sure you USE flags allow for approprate dependencies
scanner - Adds support for scanner hardware (e.g. build the sane frontend in kdegraphics)
selinux - !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
ssl - Adds support for Secure Socket Layer connections
static - !!do not set this during bootstrap!! Causes binaries to be statically linked instead of dynamically
symlink - Force kernel ebuilds to automatically update the /usr/src/linux symlink.
test - Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore.
usb - Adds USB support to applications that have optional USB support (e.g. cups)