pkg-perl-maintainers team mailing list archive

[EvanCarroll <me@xxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: libio-compress-zlib-perl

Firstly, this same file is provided in two packages, perl, and
libcompress-raw-zlib-perl

root@rda:/srv/DM/DM-Model# apt-file search Compress/Raw/Zlib.pm
libcompress-raw-zlib-perl: /usr/lib/perl5/Compress/Raw/Zlib.pm
perl: /usr/lib/perl/5.10.0/Compress/Raw/Zlib.pm

Ironically, if you use CPANPLUS to upgrade Compress::Raw::Zlib, it will
dump over the perl file, this is because of an upstream bug I filed
earlier with the way CPANPLUS is packaged in debian. Unlike CPAN,
CPANPLUS is not yet configured properly by Debian. An upgrade to a core
module will override any existing module packaged by perl. As if this
wasn't bad enough, that module that was overriden will sit lower in the
@INC stream.

So CPANPLUS will override a base-perl module with no means of brining it
back, and perl won't be able to find it anyway because the perl module
installed by libcompress-raw-zlib-perl will override it.

libcompress-raw-zlib-perl: /usr/lib/perl5/Compress/Raw/Zlib.pm
(version 2.011)
perl: /usr/lib/perl/5.10.0/Compress/Raw/Zlib.pm
(version 2.020)

** Affects: libio-compress-zlib-perl (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: perl (Debian)
     Importance: Unknown
         Status: Unknown

** Bug watch added: Debian Bug tracker #533707
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533707

** Also affects: perl (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533707
   Importance: Unknown
       Status: Unknown

** Bug watch added: CPAN RT #46895
   http://rt.cpan.org/Ticket/Display.html?id=46895

-- 
Confusing conflicts with CPAN and core perl
https://bugs.launchpad.net/bugs/394481
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