localhost ~ # emerge -pv libX11 libxkbfile

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

Calculating dependencies... done!
[ebuild   R   ] x11-libs/libX11-1.0.2  USE="ipv6 -debug" 0 kB
[ebuild   R   ] x11-libs/libxkbfile-1.0.3  USE="-debug" 0 kB

Total size of downloads: 0 kB
localhost ~ #