[MacPorts] #36111: ghc-7.4.2 fails to build on osx-12.1.0

[MacPorts]

#36111: ghc-7.4.2 fails to build on osx-12.1.0
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  Reporter:  easieste@…  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.1.2
Resolution:              |   Keywords:
      Port:  ghc         |
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Comment (by cal@…):

 I've seen similar issues which magically vanished when re-attempting the
 build. Can you just re-try and see if the issue persists? Also consider
 disabling parallel builds by appending build.jobs=1 to the command line
 you use to install ghc.

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Ticket URL: <https://trac.macports.org/ticket/36111#comment:1>
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