[gentoo-dev] Re: Portage FEATURE suggestion - limited-visibility builds

[Michael Palimaka]

Autodep[1][2] is a current implementation of this idea, with library 
hook and FUSE options.

Would definitely love to see more development in this area. :)
[1]: https://dev.gentoo.org/~neurogeek/guidexml/
[2]: http://git.overlays.gentoo.org/gitweb/?p=proj/autodep.git;a=summary