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

Calculating dependencies... done!
[ebuild  N     ] app-emulation/emul-linux-x86-baselibs-20140508-r15::gentoo  USE="development pam -kerberos -ldap" ABI_X86="-32" 0 KiB
[ebuild  N     ] media-libs/libtxc_dxtn-1.0.1-r1::gentoo  ABI_X86="32 (64) (-x32)" 210 KiB
[ebuild  N     ] app-emulation/emul-linux-x86-opengl-20140508-r1::gentoo  USE="development" ABI_X86="-32" 0 KiB
[ebuild  N     ] app-emulation/emul-linux-x86-xlibs-20140508::gentoo  USE="(development) opengl" ABI_X86="-32" 0 KiB
[ebuild     U  ] app-emulation/wine-1.7.38::gentoo [1.7.33::gentoo] USE="X alsa fontconfig gecko jpeg lcms mono mp3 ncurses openal opencl opengl png run-exes s3tc%* ssl staging%* threads truetype udisks vaapi%* xml -capi -cups -custom-cflags -dos -gphoto2 -gsm -gstreamer -ldap -netapi -nls -odbc -osmesa -oss -pcap -perl -pipelight -prelink -pulseaudio -realtime -samba -scanner (-selinux) {-test} -v4l -xcomposite -xinerama" ABI_X86="32 64 (-x32)" LINGUAS="-ar -bg -ca -cs -da -de -el -en -en_US -eo -es -fa -fi -fr -he -hi -hr -hu -it -ja -ko -lt -ml -nb_NO -nl -or -pa -pl -pt_BR -pt_PT -rm -ro -ru -sk -sl -sr_RS@cyrillic -sr_RS@latin -sv -te -th -tr -uk -wa -zh_CN -zh_TW" 1,42,390 KiB
[blocks B      ] x11-libs/libXdmcp[abi_x86_32(-)] ("x11-libs/libXdmcp[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libXext[abi_x86_32(-)] ("x11-libs/libXext[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] app-emulation/emul-linux-x86-xlibs[-abi_x86_32(-)] ("app-emulation/emul-linux-x86-xlibs[-abi_x86_32(-)]" is blocking x11-libs/libvdpau-0.9, x11-libs/libXdmcp-1.1.1-r1, x11-proto/dri2proto-2.8-r1, x11-proto/xf86driproto-2.1.1-r1, x11-proto/xproto-7.0.27, x11-libs/libX11-1.6.2, x11-libs/libxcb-1.11-r1, x11-proto/xf86bigfontproto-1.2.0-r1, x11-libs/libXau-1.0.8, x11-proto/xextproto-7.3.0, x11-libs/libXext-1.3.3, x11-proto/inputproto-2.3.1, x11-libs/libxshmfence-1.2, x11-proto/damageproto-1.2.1-r1, x11-libs/libdrm-2.4.59, x11-proto/glproto-1.4.17-r1, x11-libs/libXfixes-5.0.1, x11-proto/xcb-proto-1.11, x11-proto/xf86vidmodeproto-2.3.1-r1, x11-libs/libXdamage-1.1.4-r1, x11-proto/kbproto-1.0.6-r1, dev-libs/libpthread-stubs-0.3-r1, x11-libs/libXxf86vm-1.1.4, x11-proto/fixesproto-5.0-r1)
[blocks B      ] app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] ("app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)]" is blocking dev-libs/expat-2.1.0-r4)
[blocks B      ] x11-libs/libXau[abi_x86_32(-)] ("x11-libs/libXau[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libXdamage[abi_x86_32(-)] ("x11-libs/libXdamage[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libXfixes[abi_x86_32(-)] ("x11-libs/libXfixes[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libvdpau[abi_x86_32(-)] ("x11-libs/libvdpau[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] app-emulation/emul-linux-x86-opengl[-abi_x86_32(-)] ("app-emulation/emul-linux-x86-opengl[-abi_x86_32(-)]" is blocking x11-libs/libdrm-2.4.59, media-libs/mesa-10.5.0_rc3)
[blocks B      ] x11-libs/libxcb[abi_x86_32(-)] ("x11-libs/libxcb[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libX11[abi_x86_32(-)] ("x11-libs/libX11[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] x11-libs/libXxf86vm[abi_x86_32(-)] ("x11-libs/libXxf86vm[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-xlibs-20140508)
[blocks B      ] media-libs/mesa[abi_x86_32(-)] ("media-libs/mesa[abi_x86_32(-)]" is blocking app-emulation/emul-linux-x86-opengl-20140508-r1)