# emerge -pu system

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

Calculating dependencies... done!

!!! The following installed packages are masked:
- www-plugins/adobe-flash-10.0.45.2 (masked by: package.mask, AdobeFlash-10 license(s))
/usr/portage/profiles/package.mask:
# Jim Ramsay <lack@gentoo.org> (14 Apr 2011)
# Mask old unfetchable (Bug #360529) and security-vulnerable (Bug
# #354207,#359019) versions of Adobe flash player.
# Will be removed in a week or so.

A copy of the 'AdobeFlash-10' license is located at 'None'.

- sci-geosciences/googleearth-5.1.3533.1731-r1 (masked by: googleearth license(s))
A copy of the 'googleearth' license is located at '/usr/portage/licenses/googleearth'.

For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.