[MacPorts] #19739: ghc: uses happy during configure

[MacPorts]

#19739: ghc: uses happy during configure
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 Reporter:  ryandesign@…             |       Owner:  gwright@…           
     Type:  defect                   |      Status:  assigned            
 Priority:  Normal                   |   Milestone:                      
Component:  ports                    |     Version:  1.7.1               
 Keywords:                           |        Port:  ghc                 
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Changes (by gwright@…):

  * status:  new => assigned


Comment:

 Not a dependency issue, but likely (another) problem with the cabal
 version that ghc uses internally to build its libraries.  It seems to test
 for the functioning of happy even if it is not required.  Which triggers
 the happy bug noted in #19737.

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Ticket URL: <http://trac.macports.org/ticket/19739#comment:3>
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