[MacPorts] #40296: ghc @7.6.3_2: Add gcc48 and gcc49 variants, default to gcc48.

[MacPorts]

#40296: ghc @7.6.3_2: Add gcc48 and gcc49 variants, default to gcc48.
--------------------------+----------------------
  Reporter:  crossd@…     |      Owner:  cal@…
      Type:  enhancement  |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:  fixed        |   Keywords:  haspatch
      Port:  ghc          |
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Changes (by cal@…):

 * status:  assigned => closed
 * resolution:   => fixed


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Ticket URL: <https://trac.macports.org/ticket/40296#comment:8>
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