[Bug 657153] New: Circular Dependency between perl-Readonly and perl-Readonly-XS

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Summary: Circular Dependency between perl-Readonly and perl-Readonly-XS

https://bugzilla.redhat.com/show_bug.cgi?id=657153

           Summary: Circular Dependency between perl-Readonly and
                    perl-Readonly-XS
           Product: Fedora EPEL
           Version: el5
          Platform: All
        OS/Version: Unspecified
            Status: NEW
          Severity: medium
          Priority: low
         Component: perl-Readonly
        AssignedTo: cweyl(a)alumni.drew.edu
        ReportedBy: amcnaughton(a)squiz.net
         QAContact: extras-qa(a)fedoraproject.org
                CC: cweyl(a)alumni.drew.edu,
                    fedora-perl-devel-list(a)redhat.com
    Classification: Fedora


Description of problem:

  Circular Dependency between perl-Readonly and perl-Readonly-XS
   - each depends directly on the other

Version-Release number of selected component (if applicable):

 
http://download.fedora.redhat.com/pub/epel/5/SRPMS/perl-Readonly-1.03-6.e...

 
http://download.fedora.redhat.com/pub/epel/5/SRPMS/perl-Readonly-XS-1.04-...

How reproducible:

  Is obvious from dependency statements in spec file.  try to build from those
with neither module pre-installed.

Steps to Reproduce:
1. start with a clean machine with neither module installed.
2. unpack src rpms
3. try to build either rpm from spec file.

Actual results:

  Fail.

Expected results:

  Profit.

Additional info:

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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https://bugzilla.redhat.com/show_bug.cgi?id=657153

Paul Howarth <paul(a)city-fan.org&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |paul(a)city-fan.org

--- Comment #1 from Paul Howarth <paul(a)city-fan.org&gt; 2010-11-25 04:18:52 EST ---
Whilst it's true that the packages have runtime dependencies on each other
(resulting in all users getting the performance benefits of the XS code),
neither of them have build-time dependencies on each other so it should be
possible to build each of them without requiring the other at build time.

What error message are you getting when trying to build them?

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=657153

--- Comment #2 from Andrew McNaughton <amcnaughton(a)squiz.net&gt; 2010-11-25 05:05:16
EST ---

(In reply to comment #1)
>  Whilst it's true that the packages have runtime dependencies on
> each other
>  (resulting in all users getting the performance benefits of the XS code),
>  neither of them have build-time dependencies on each other so it should be
>  possible to build each of them without requiring the other at build time.
>  
>  What error message are you getting when trying to build them? 
Errors like so:

[[e-mail]]:/home/build/rpms/RPMS/centos/5# rpm -i
/home/build/rpms/RPMS/centos/5/x86_64/perl-Readonly-XS-1.04-7.1-squiz.x86_64.rpm 
error: Failed dependencies:
 perl(Readonly) >= 1.02 is needed by perl-Readonly-XS-1.04-7.1.x86_64

[[e-mail]]:/home/build/rpms/RPMS/centos/5# rpm -i
/home/build/rpms/RPMS/centos/5/x86_64/perl-Readonly-1.03-6-squiz.noarch.rpm 
error: Failed dependencies:
 perl(Readonly::XS) is needed by perl-Readonly-1.03-6.noarch


hmm. actually maybe that was just after building from spec file so, can build,
but can't install.

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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https://bugzilla.redhat.com/show_bug.cgi?id=657153

--- Comment #3 from Paul Howarth <paul(a)city-fan.org&gt; 2010-11-25 05:33:56 EST ---
You need to install them in the same rpm transaction, which is what would
happen if you were using yum.

# rpm -i \
  perl-Readonly-XS-1.04-7.1-squiz.x86_64.rpm \
  perl-Readonly-1.03-6-squiz.noarch.rpm

Why aren't you installing these from EPEL using yum by the way?

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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https://bugzilla.redhat.com/show_bug.cgi?id=657153

--- Comment #4 from Andrew McNaughton <amcnaughton(a)squiz.net&gt; 2010-11-26 14:53:10
EST ---
I'm adding another module to a company's in-house repository which depends on
perl-Readonly.  It's basically duplication of work in epel, but only quite a
limited set of the epel material is added, plus a few things from elsewhere.

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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https://bugzilla.redhat.com/show_bug.cgi?id=657153

--- Comment #5 from Paul Howarth <paul(a)city-fan.org&gt; 2010-11-26 15:40:58 EST ---
OK. I trust you got the modules installed OK via the repository when they get
installed together (or manually)?

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=657153

--- Comment #6 from Andrew McNaughton <amcnaughton(a)squiz.net&gt; 2010-11-26 19:26:03
EST ---
I sorted it our for my own purposes by removing one of the dependencies in the
spec file.  using rpm to install both at once is better though, and I'll go
back and do that.

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[Bug 657153] Circular Dependency between perl-Readonly and perl-Readonly-XS

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=657153

Marcela Mašláňová <mmaslano(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|                            |NOTABUG
        Last Closed|                            |2010-11-29 02:51:39

--- Comment #7 from Marcela Mašláňová <mmaslano(a)redhat.com&gt; 2010-11-29 02:51:39 EST
---
RPM doesn't offer optional dependencies, therefore Perl modules with cyclic
dependencies exist quite often. The dependency on Readonly::XS was added to
support all features, which can Readonly offer. It's not the best solution, but
that's how we handle modules in RPM.

The correct installation of dependent modules is, as was said before, rpm -i
perl-Readonly perl-Readonly-XS.

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