#  USE="gtk" emerge -pv media-plugins/npapi-vlc

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

Calculating dependencies... done!
[ebuild  N     ] net-misc/npapi-sdk-0.27  63 kB
[ebuild  N    *] media-plugins/npapi-vlc-9999  USE="gtk" 0 kB

Total: 2 packages (2 new), Size of downloads: 63 kB

The following keyword changes are necessary to proceed:
#required by media-plugins/npapi-vlc (argument)
=media-plugins/npapi-vlc-9999 **

NOTE: The --autounmask-keep-masks option will prevent emerge
      from creating package.unmask or ** keyword changes.

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