какие усе флаги использовать для опенбокса

equery u openbox
[ Legend : U - final flag setting for installation]
[        : I - package is installed with flag     ]
[ Colors : set, unset                             ]
 * Found these USE flags for x11-wm/openbox-3.5.0_p20130215:
 U I
 + + branding             : Enable Gentoo specific branding
 - - 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
 - - imlib                : Adds support for imlib, an image loading and rendering library
 + + nls                  : Adds Native Language Support (using gettext - GNU locale utilities)
 - - python               : Install the python xdg files for xdg autostart
 + + session              : Enables support for session managers
 + + startup-notification : Enable application startup event feedback mechanism
 - - static-libs          : Build static libraries

USE="brains" emerge -va openbox