localhost linux # equery uses wxGTK
[ Searching for packages matching wxGTK... ]
[ Colour Code : set unset ]
[ Legend : Left column  (U) - USE flags from make.conf              ]
[        : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for x11-libs/wxGTK-2.6.3.3 ]
 U I
 - - X        : Adds support for X11
 - - 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)
 + + gnome    : Adds GNOME support
 - - joystick : Add support for joysticks in all packages
 - - odbc     : Adds ODBC Support (Open DataBase Connectivity)
 + + opengl   : Adds support for OpenGL (3D graphics)
 - - sdl      : Adds support for Simple Direct Layer (media library)
 + + unicode  : Adds support for Unicode
 localhost linux #