Re: [gentoo-user] preparing for profile switch -- major problem

[John Covici]

On Sat, 09 Dec 2017 18:20:40 -0500,
Daniel Frey wrote:
>
> On 12/09/17 08:18, John Covici wrote:
> > On Sat, 09 Dec 2017 10:28:25 -0500,
> > Daniel Frey wrote:
> >>
> >> I had a lot of problems with the perl updates as well, and could
> >> not get it to resolve. I wasted over an hour trying to resolve it
> >> (my poor Celeron would take 5-10 minutes trying to calculate
> >> dependencies, and I had to do this 6-7 times.)
> >>
> >> Note, what I did worked for me and may not work for you, so use
> >> this advice at your own risk: I emerged the new perl with
> >> --nodeps, and invoked `perl-cleaner all` to fix the mess
> >> afterwards. It had everything resolved in < 10 minutes. I didn't
> >> suffer any system breakage from using the sledgehammer approach,
> >> but others may not be so lucky... so, as I said, try it at your
> >> own risk.
> >
> > I was thinking of just that myself, I may try that  later today.  I am
> > using zfs, and do snapshots frequently, so it might be possible to get
> > back if things are a disaster, but it might work at that.   Did you
> > emerge perl again without the --nodeps afterwards to make sure?
> >
> >
>
> Well, due to the long compile times I was trying to get the
> dependencies resolved so I could run `emerge -auDNe world
> --exclude sys-devel/gcc --exclude sys-devel/llvm --exclude
> sys-devel/libtool --exclude sys-devel/binutils --exclude
> sys-libs/glibc --keep-going world` so it would recompile
> everything and update as it went along. (I had already built the
> excluded packages under the new profile with gcc6.)
>
> While I didn't remerge perl immediately after, it was included in
> the rebuild process of --emptytree.
>
> And it was successful! I only had perl blocking everything, so
> once I sledgeammered that update, it was able to calculate its
> dependency list, and it rebuilt all 500 installed packages (well,
> less the ones I excluded) successfully - no failed packages or
> anything, while upgrading as needed. It did take almost 30 hours
> though.
>
> When trying to get perl blockers to resolve I even tried
> --backtrack=200 and it still failed. That was try 5 or 6 and at
> that point I was getting annoyed and tried the sledgehammer
> technique.

OK, thanks, I think I will try that.

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@××××××××××.com