[gentoo-user] Re: gcc upgrade from 3.x to 4.x, when should I run revdep-rebuild?

[Marc Blumentritt <marc.blumentritt@arcor.de>]

michael@michaelshiloh.com schrieb:
> I'm upgrading my gcc from 3.x to 4.x. I've done the gcc switching, and
> now I'm
> updating my system.
> 
> The recommended steps are:
> 
>   # emerge -eav system
>   # emerge -eav world
> 
> While emerging my system I received a message suggesting I run
> revdep-rebuild:
> 
>   warning - be sure to run revdep-rebuild now
> 
> My question is, should I run revdep-rebuild right after emerging the
> system,
> or should I wait until after I emerge world? My concern was that in
> between,
> my system is in an unstable intermediate state, and it might be damaged
> by a
> revdep-rebuild in between.

Well, you rebuild world, which includes all packages you would rebuild
with revdep-rebuild. I would run revdep-rebuild after the rebuild of
world, just to be sure. I also recommend to look through the info
outputs of every emerge, if you missed something, e.g. I had messages
like "rebuild against the new library, than it is save to delete the old
one." If you miss this, then you have cruft libs on your system.

Cheers
Marc


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