[console]# emerge -pv portage
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild N ] dev-libs/libffi-3.0.9-r2 USE="-debug -static-libs -test" 715 kB
[ebuild N ] app-misc/mime-types-8 12 kB
[ebuild N ] virtual/libffi-0 0 kB
[ebuild NS ] dev-lang/python-2.7.1-r1 [2.5.4-r3] USE="gdbm ipv6 ncurses readline ssl threads (wide-unicode) xml -berkdb -build -doc -examples -sqlite -tk -wininst" 11,461 kB
[ebuild U ] sys-apps/portage-2.1.10.3 [2.1.6.13] USE="(ipc%*) less%* -build -doc -epydoc -python2% -python3% (-selinux)" LINGUAS="-pl" 814 kB
[blocks B ] dev-lang/python:2.7 ("dev-lang/python:2.7" is blocking sys-apps/portage-2.1.6.13)
[blocks B ] <sys-apps/portage-2.1.9 ("<sys-apps/portage-2.1.9" is blocking dev-lang/python-2.7.1-r1)
Total: 5 packages (1 upgrade, 3 new, 1 in new slot), Size of downloads: 13,001 kB
Conflict: 2 blocks (2 unsatisfied)
* Error: The above package list contains packages which cannot be
* installed at the same time on the same system.
('ebuild', '/', 'dev-lang/python-2.7.1-r1', 'merge') pulled in by
dev-lang/python:2.7 required by ('ebuild', '/', 'sys-apps/portage-2.1.10.3', 'merge')
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
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