On Wed, Jun 18, 2008 at 07:14:37PM +0200, Alan McKinnon wrote:

> 2 ways to find out:
> 
> 1. equery depends gtk2hs
>    This method is not really reliable but works often enough 
>    to be useful

I had tried this, but it blows up and dumps out a nice backtrace which
might be fun for somebody, but not me :-)

> 2. emerge -avunDt world
>    This gives a nice tree view of what is going on. Note that more than
>    one package might want gtk2hs, so you might have to run this more
>    than once.

Neil mentioned -t also, which does help, but xulrunner, for instance,
shows up with no associated packages so I have no way of telling what
other packages drag in what versions.

> Finally, there is no need for you to run 'emerge -pev world' to find out 
> stuff. That fools portage into thinking nothing is obscured, everything 
> shows up as a new package and the differences upgrades, remerges and 
> new package is lost.

I am not sure what you mean.  I need to run emerge -e world after a
major gcc upgrade, according to the upgrade guide.  Is there a better
way of doing this?

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