Re: [gentoo-user] Heads up perl-5.24 and virtual/<perl_module>

[Mick]

On Sunday 29 May 2016 09:40:10 Alan McKinnon wrote:
> Heads up to any ~arch users who might run into this.
>
> I've just spent too many annoying hours dealing with perl-5.24 and it's
> modules. As usual with recent perl upgrades, many modules have moved
> around and now there's a whole whack of new virtuals. One or more are
> causing problems like this:
>
> !!! Multiple package instances within a single package slot have been pulled
> !!! into the dependency graph, resulting in a slot conflict:
>
> dev-lang/perl:0
>
>   (dev-lang/perl-5.22.2:0/5.22::gentoo, installed) pulled in by
>     =dev-lang/perl-5.22* required by
> (virtual/perl-NEXT-0.650.0-r4:0/0::perl-experimental, installed)
>     ^              ^^^^^
>     dev-lang/perl:0/5.22=[-build(-)] required by
> (perl-gcpan/GnuPG-0.19:0/0::splog-musicbrainz-mirror, installed)
>                  ^^^^^^^^
>     (and 435 more with the same problems)
>
>   (dev-lang/perl-5.24.0:0/5.24::gentoo, ebuild scheduled for merge)
> pulled in by
>     =dev-lang/perl-5.24* required by
> (virtual/perl-Exporter-5.720.0-r1:0/0::gentoo, installed)
>     ^              ^^^^^
>     (and 59 more with the same problem)
>
> and portage bails out.
> BUT IT'S NOT A HARD BLOCKER.
>
> I've given up trying to figure this out. Masking perl-5.24 and running
> emerge with "--backtrack=99" gets portage back into a state where it's
> willing to continue.
>
> Perhaps someone else with more patience can figure this one out.

Are you saying that the usual incantation of perl-cleaner, dep-clean and 
@preserved rebuild will not arrive at a working system?

There's been another thread a week ago which mentioned a sys-devel/make-4.2 
bug and the recommendation was to emerge perl with MAKEOPTS=-j1.  Did you try 
this?

-- 
Regards,
Mick