emerge -pv wine

These are the packages that would be merged, in order:

Calculating dependencies \

!!! Problem resolving dependencies for app-emulation/wine
... done!

!!! The ebuild selected to satisfy "wine" has unmet requirements.
- app-emulation/wine-1.5.25::gentoo USE="X alsa cups custom-cflags fontconfig gecko jpeg lcms ldap mono mp3 ncurses nls openal opencl opengl oss perl png prelink pulseaudio ssl threads truetype xcomposite xml -abiwrapper -capi -gphoto2 -gsm (-gstreamer) -odbc -osmesa -samba -scanner (-selinux) -test -udisks -v4l -xinerama" ABI_X86="-32 -64" MULTILIB_ABI="(amd64) (x86)"

  The following REQUIRED_USE flag constraints are unsatisfied:
    any-of ( abi_x86_32 abi_x86_64 ) mono? ( abi_x86_32 )

  The above constraints are a subset of the following complete expression:
    any-of ( abi_x86_32 abi_x86_64 ) test? ( abi_x86_32 ) elibc_glibc? ( threads ) mono? ( abi_x86_32 ) osmesa? ( opengl )