[MacPorts] #26488: ghc depends on perl 5.8 and perl 5.8 conflicts with perl 5.12

[MacPorts]

#26488: ghc depends on perl 5.8 and perl 5.8 conflicts with perl 5.12
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 Reporter:  takano32@…          |       Owner:  gwright@…           
     Type:  defect              |      Status:  assigned            
 Priority:  Normal              |   Milestone:                      
Component:  ports               |     Version:  1.9.1               
 Keywords:                      |        Port:  ghc ghc-devel       
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Comment(by ryandesign@…):

 Following the recent perl updates in r76485, the mangle_names variants
 have been deleted and their behavior made the default and only available
 option, thus perl5.8, perl5.10 and perl5.12 no longer conflict with one
 another. However, there is discussion of wanting to delete these separate-
 version perl ports and have just a single perl5 port at the latest
 version.

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Ticket URL: <https://trac.macports.org/ticket/26488#comment:7>
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