I can´t re-emerge or emerge media-libs/mesa-7.0.3, it is blocked by the x11-proto/xf86driproto-2.0.3 package. emerge media-libs/mesa Calculating dependencies... done! [ebuild N ] x11-proto/xf86vidmodeproto-2.2.2 [ebuild N ] x11-proto/xf86driproto-2.0.3 [ebuild N ] media-libs/mesa-7.0.3 USE="-debug -doc -motif (-nptl) -pic -xcb" VIDEO_CARDS="-i810 -mach64 -mga -none -r128 -radeon -s3virge -savage -sis (-sunffb) -tdfx -trident -via" [blocks B ] <=x11-proto/xf86driproto-2.0.3 (is blocking media-libs/mesa-7.0.3) * Error: The above package list contains packages which cannot be * installed at the same time on the same system. For more information about Blocked Packages, please refer to the following section of the Gentoo Linux x86 Handbook (architecture is irrelevant): http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked
please actually go read the url.
Yeh, you need to unmask a higher version, which is x11-proto/xf86driproto-2.0.4