[MacPorts] #59467: ghc @8.6.5_1: Built ghc not working on Catalina

[MacPorts]

#59467: ghc @8.6.5_1: Built ghc not working on Catalina
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  Reporter:  abusse  |      Owner:  essandess
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.6.2
Resolution:          |   Keywords:  catalina
      Port:  ghc     |
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Comment (by kencu):

 I know how haskell generates their prebuilt binary, as I generated 10 of
 them to bring 10.6.8 up to current. Ben has a build script that does it,
 using an older ghc no more than two releases earlier to do it. i have the
 whole setup on my snowleopard system.

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Ticket URL: <https://trac.macports.org/ticket/59467#comment:20>
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