$ equery uses wine
[ Legend : U - final flag setting for installation]
[        : I - package is installed with flag     ]
[ Colors : set, unset                             ]
 * Found these USE flags for app-emulation/wine-1.7.11:
 U I
 + + X                      : Add support for X11
 + + abi_x86_32             : 32-bit (x86) libraries
 + + abi_x86_64             : 64-bit (amd64) libraries
 + + alsa                   : Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
 - - capi                   : Enable ISDN support via CAPI
 - - cups                   : Add support for CUPS (Common Unix Printing System)
 - - custom-cflags          : Bypass strip-flags; use at your own peril
 - - dos                    : Pull in games-emulation/dosbox to run DOS applications
 + + fontconfig             : Support for configuring and customizing font access via media-libs/fontconfig
 + + gecko                  : Add support for the Gecko engine when using iexplore
 - - gphoto2                : Add digital camera support
 - - gsm                    : Add support for the gsm lossy speech compression codec
 - - gstreamer              : Add support for media-libs/gstreamer (Streaming media)
 + + jpeg                   : Add JPEG image support
 - - lcms                   : Add lcms support (color management engine)
 - - ldap                   : Add LDAP support (Lightweight Directory Access Protocol)
 - - linguas_ar             : Arabic locale
 - - linguas_bg             : Bulgarian locale
 - - linguas_ca             : Catalan locale
 - - linguas_cs             : Czech locale
 - - linguas_da             : Danish locale
 - - linguas_de             : German locale
 - - linguas_el             : Greek locale
 + + linguas_en             : English locale
 - - linguas_en_US          : English locale
 - - linguas_eo             : Esperanto locale
 - - linguas_es             : Spanish locale
 - - linguas_fa             : Persian locale
 - - linguas_fi             : Finnish locale
 - - linguas_fr             : French locale
 - - linguas_he             : Hebrew locale
 - - linguas_hi             : Hindi locale
 - - linguas_hr             : Croatian locale
 - - linguas_hu             : Hungarian locale
 - - linguas_it             : Italian locale
 - - linguas_ja             : Japanese locale
 - - linguas_ko             : Korean locale
 - - linguas_lt             : Lithuanian locale
 - - linguas_ml             : Malayalam locale
 - - linguas_nb_NO          : Norwegian (Bokmal) locale for Norway
 - - linguas_nl             : Dutch locale
 - - linguas_or             : Oriya locale
 - - linguas_pa             : Punjabi locale for India
 - - linguas_pl             : Polish locale
 - - linguas_pt_BR          : Portuguese locale for Brasil
 - - linguas_pt_PT          : Portuguese locale for Portugal
 - - linguas_rm             : Romansh locale
 - - linguas_ro             : Romanian locale
 + + linguas_ru             : Russian locale
 - - linguas_sk             : Slovak locale
 - - linguas_sl             : Slovenian locale
 - - linguas_sr_RS@cyrillic : Serbian (cyrillic) locale for Serbia
 - - linguas_sr_RS@latin    : Serbian (latin) locale for Serbia
 - - linguas_sv             : Swedish locale
 - - linguas_te             : Telugu locale
 - - linguas_th             : Thai locale
 - - linguas_tr             : Turkish locale
 - - linguas_uk             : Ukrainian locale
 - - linguas_wa             : Walloon locale
 - - linguas_zh_CN          : Chinese locale for Peoples Republic of China
 - - linguas_zh_TW          : Chinese locale for Taiwan
 + + mono                   : Add support for .NET using Wine's Mono add-on
 + + mp3                    : Add support for reading mp3 files
 + + ncurses                : Add ncurses support (console display library)
 - - netapi                 : Use libnetapi from net-fs/samba to support Windows networks in netapi32.dll
 + + nls                    : Add Native Language Support (using gettext - GNU locale utilities)
 - - odbc                   : Add ODBC Support (Open DataBase Connectivity)
 - - openal                 : Add support for the Open Audio Library
 - - opencl                 : Enable OpenCL support
 + + opengl                 : Add support for OpenGL (3D graphics)
 - - osmesa                 : Add support for OpenGL in bitmaps using libOSMesa
 - - oss                    : Add support for OSS (Open Sound System)
 + + perl                   : Install helpers written in perl (winedump/winemaker)
 + + png                    : Add support for libpng (PNG images)
 + + prelink                : Run prelink on DLLs during build -- do not disable if you do not know what this means as it can
                              break things at runtime
 + + pulseaudio             : Add support for PulseAudio sound server
 + + realtime               : Pull in sys-auth/rtkit for low-latency pulseaudio support
 + + run-exes               : Use Wine to open and run .EXE and .MSI files
 - - samba                  : Add support for NTLM auth. see http://wiki.winehq.org/NtlmAuthSetupGuide and
                              http://wiki.winehq.org/NtlmSigningAndSealing
 - - scanner                : Add support for scanner hardware (e.g. build the sane frontend in kdegraphics)
 + + ssl                    : Add support for Secure Socket Layer connections
 - - 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
 + + threads                : Add threads support for various packages. Usually pthreads
 + + truetype               : Add support for FreeType and/or FreeType2 fonts
 + + udisks                 : Support dynamic storage devices using sys-fs/udisks
 + + v4l                    : Enable support for video4linux (using linux-headers or userspace libv4l libraries)
 - - xcomposite             : Enable support for the Xorg composite extension
 - - xinerama               : Add support for the xinerama X11 extension, which is mandatory if you work in multiple monitors
                              setup
 + + xml                    : Add support for XML files