Re: [gentoo-user] Reinstall Gentoo? [Was: Building pygtk-2.22.0-r1 fails. Help, please!]

[Mick <michaelkintzios@gmail.com>]

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On Sunday 24 April 2011 16:44:05 Mick wrote:
> On Sunday 24 April 2011 14:25:58 Alan Mackenzie wrote:
> > Hi, Mick.
> > 
> > On Sun, Apr 24, 2011 at 09:17:45AM +0100, Mick wrote:
> > > On Saturday 23 April 2011 21:06:25 Alan Mackenzie wrote:
> > > > On Sat, Apr 23, 2011 at 08:46:30PM +0100, Mick wrote:
> > > > > What do you get when you run:
> > > > > 
> > > > > # eselect python list
> > > > 
> > > > Available Python interpreters:
> > > >   [1]   python2.6 *
> > > >   [2]   python2.7
> > > >   [3]   python3.1
> > > 
> > > OK, the next stage would be to change your python to the latest stable:
> > > 
> > > eselect python set 2
> > 
> > DONE.
> > 
> > > and then remerge those packages that were linked against the old
> > > python:
> > > 
> > > python-updater -v -p
> > > 
> > > to get a list of these.
> > 
> > That gives me a list of 24 packages.  Am I meant to actually run
> > python-updater without the -p, here?
> 
> That's correct.  As the man emerge say -p stands for --pretend.  Just to
> give a chance to see what it wants to do and think about it before you run
> it again without it for execution.
> 
> You need to do this next.
> 
> > > When you finish all this you can run:
> > > 
> > > emerge --depclean -v -p
> > > 
> > > It should now ask you to remove the old python, but check carefully the
> > > remaining packages in case something important is in the list and
> > > breaks your system.
> > 
> > I do emerge --depclean -v -p.  It says I should run emerge -uDN @world
> > first.  I'm a bit apprehensive about this, since the world update says it
> > would reemerge 138 packages (I'm not sure whether this is top-level
> > (whatever that means) packages or the real total).  In that list are 3
> > blockages I don't know wha do do with.  My experience suggests this will
> > not work smoothly, and I'll likely be left with a non-working (or even a
> > non-bootable) system.
> 
> At this stage you should only run:
> 
> python-updater -v
> 
> Nothing else.
> 
> Once it completes you can run --depclean which will ask you to remove the
> older 2.6 python package.
> 
> > How come?  Well, I started my installation in February 2010, and with one
> > thing and another, didn't get it finished, so it went into cold storage
> > until a month ago.  I've had so much trouble trying to get updated, that
> > it might be better to start again from scratch with a new stage3 (or even
> > a new installation CD).  This would surely leave my home directory and
> > suchlike untouched.  What do you think?
> 
> Adding the -N flag will remerge any packages that are affected by changes
> to USE flags that you have made since they were first installed.  So the
> list will be longer than without it.

Post any blockers shown if you don't know what you need to do about them.
-- 
Regards,
Mick

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