Re: [gentoo-user] Re: Reinstall + switch to KDE

[Alan McKinnon]

On Thu, 20 Sep 2012 07:44:13 +0200
Daniel Wagener <stelf@×××.net> wrote:

> On Mon, 10 Sep 2012 14:44:33 -0500
> Canek Peláez Valdés <caneko@×××××.com> wrote:
>
> > On Mon, Sep 10, 2012 at 2:36 PM, Alan McKinnon
> > <alan.mckinnon@×××××.com> wrote:
> > > On Mon, 10 Sep 2012 12:53:41 -0400
> > > Andrey Moshbear <andrey.vul@×××××.com> wrote:
> > >
> > >> On Mon, Sep 10, 2012 at 12:43 PM, Nikos Chantziaras
> > >> <realnc@×××××.com> wrote:
> > >> > On 10/09/12 19:12, Samuraiii wrote:
> > >> >>
> > >> >> Hello,
> > >> >> because I broke me PC and I need to reinstall it I'm going
> > >> >> ask what should I preserve to make install faster:
> > >> >
> > >> > So what *is* broken?  The hardware?  If you have a new PC, you
> > >> > simply need to transfer your Gentoo install to a new hard disk
> > >> > using rsync.
> > >>
> > >> He borked his /usr/include due to an improperly-written
> > >> uninstall rule in a Makefile.
> > >>
> > >
> > > if "emerge -e world" runs, it will fix that little oopsie
> >
> > No, it won't; if enough files from /usr/include are gone/borked,
> > most packages will fail compilation. glibc alone has ~450 files
> > under /usr/include; and basically everything depends on glibc.
>
> hmm, my approach in that case would be to get /usr from a recent
> stage3 tarball and then running emerge -e world
>
> but maybe there is a reason why nobody came up with that already :-/
>

But that would be too easy, no wonder no-one mentioned it :-)

It probably is the right thing to do though. You don;t actually know
every package that's affected, and no easy way to find out and no way
to find false negatives.

So the correct approach is to realize that a complete rebuild finishes
in a reasonable time, and then do it.


-- 
Alan McKinnon
alan.mckinnon@×××××.com