Re: [gentoo-user] confusing depclean output

[Allan Gottlieb <gottlieb@nyu.edu>]

At Wed, 03 Dec 2008 18:32:24 -0500 "Michael P. Soulier" <msoulier@digitaltorque.ca> wrote:

> msoulier@anton:~$ emerge --pretend --depclean
>
> *** WARNING ***  Depclean may break link level dependencies.  Thus, it is
> *** WARNING ***  recommended to use a tool such as `revdep-rebuild` (from
> *** WARNING ***  app-portage/gentoolkit) in order to detect such breakage.
> *** WARNING ***  
> *** WARNING ***  Also study the list of packages to be cleaned for any obvious
> *** WARNING ***  mistakes. Packages that are part of the world set will always
> *** WARNING ***  be kept.  They can be manually added to this set with
> *** WARNING ***  `emerge --noreplace <atom>`.  Packages that are listed in
> *** WARNING ***  package.provided (see portage(5)) will be removed by
> *** WARNING ***  depclean, even if they are part of the world set.
> *** WARNING ***  
> *** WARNING ***  As a safety measure, depclean will not remove any packages
> *** WARNING ***  unless *all* required dependencies have been resolved.  As a
> *** WARNING ***  consequence, it is often necessary to run
> *** WARNING ***  `emerge --update --newuse --deep world` prior to depclean.
>
> Calculating dependencies... done!
>
> Dependencies could not be completely resolved due to
> the following required packages not being installed:
>
>>=virtual/perl-Compress-Zlib-1.14 required by dev-perl/Archive-Zip-1.23
> virtual/perl-ExtUtils-CBuilder required by perl-core/File-Spec-3.27.01
>
> Have you forgotten to run `emerge --update --newuse --deep world` prior to
> depclean?  It may be necessary to manually uninstall packages that no longer
> exist in the portage tree since it may not be possible to satisfy their
> dependencies.  Also, be aware of the --with-bdeps option that is documented
> in `man emerge`.
>
> In running emerge --update --newuse --deep world, it yields nothing.

Did you try emerge --update --newuse --deep --with-bdeps=y world
as hinted at by the above msg?

allan