emerge --pretend wine

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

Calculating dependencies... done!
[ebuild  N    ] media-libs/libgphoto2-2.4.0-r1  USE="hal nls -doc -exif" CAMERAS="-adc65 -agfa_cl20 -aox -barbie -canon -casio_qv -clicksmart310 -digigr8 -digita -dimagev -dimera3500 -directory -enigma13 -fuji -gsmart300 -hp215 -iclick -jamcam -jd11 -kodak_dc120 -kodak_dc210 -kodak_dc240 -kodak_dc3200 -kodak_ez200 -konica -konica_qm150 -largan -lg_gsm -mars -mustek -panasonic_coolshot -panasonic_dc1000 -panasonic_dc1580 -panasonic_l859 -pccam300 -pccam600 -polaroid_pdc320 -polaroid_pdc640 -polaroid_pdc700 -ptp2 -ricoh -ricoh_g3 -samsung -sierra -sipix_blink -sipix_blink2 -sipix_web2 -smal -sonix -sony_dscf1 -sony_dscf55 -soundvision -spca50x -sq905 -stv0674 -stv0680 -sx330z -template -toshiba_pdrm11"
[ebuild  N    ] media-gfx/fontforge-20071110  USE="X nls python svg tiff unicode -gif -jpeg -png -truetype"
[ebuild  N    ] media-gfx/sane-backends-1.0.18-r5  USE="gphoto2 ipv6 usb v4l"
[ebuild  N    ] app-emulation/wine-0.9.49  USE="X alsa cups dbus esd hal jack ncurses opengl scanner -jpeg -lcms -ldap -nas -oss -xml"
[blocks B     ] <sys-fs/udev-114 (is blocking media-libs/libgphoto2-2.4.0-r1, media-gfx/sane-backends-1.0.18-r5)