[MacPorts] #28482: Infinite loop in dependency resolution

[MacPorts]

#28482: Infinite loop in dependency resolution
-------------------------------------+--------------------------------------
 Reporter:  michi.schwarz@…          |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  base                     |     Version:  1.9.2                                
 Keywords:                           |        Port:                                       
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 Installation of git-core +svn fails because of what seems to be a cycle in
 port dependencies revolving around perl and perl modules.

 Running the install command without -d produces the following messages.
 See the attachment for the output produced by adding -d.

 {{{
 $ sudo port install git-core +svn gives
 --->  Computing dependencies for git-coreError: Internal error: port
 lookup failed: too many nested evaluations (infinite loop?)
 Error: Status 1 encountered during processing.
 To report a bug, see <http://guide.macports.org/#project.tickets>
 }}}

 I'm on Mac OS X 10.6.6 with newest Xcode toolchain and MacPorts base and
 this happens in a setup with no ports installed.

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Ticket URL: <https://trac.macports.org/ticket/28482>
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