darkr dwhelper # emerge -pv libpng
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild R ~] media-libs/libpng-1.5.5 USE="apng -static-libs" 0 kB
[blocks B ] <x11-libs/gdk-pixbuf-2.24.0-r1 ("<x11-libs/gdk-pixbuf-2.24.0-r1" is blocking media-libs/libpng-1.5.5)
Total: 1 package (1 reinstall), Size of downloads: 0 kB
Conflict: 1 block (1 unsatisfied)
* Error: The above package list contains packages which cannot be
* installed at the same time on the same system.
(media-libs/libpng-1.5.5::gentoo, ebuild scheduled for merge) pulled in by
libpng
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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