[MacPorts] #71933: alex @3.5.1.0+haskell_cabal_use_prebuilt build failure

[MacPorts]

#71933: alex @3.5.1.0+haskell_cabal_use_prebuilt build failure
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  Reporter:  Pierre-Alban87  |      Owner:  (none)
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.10.5
Resolution:                  |   Keywords:
      Port:  alex            |
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Comment (by Pierre-Alban87):

 Hi, sorry but I m a beginner. Just a question where is the main.log i have
 to had ?

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Ticket URL: <https://trac.macports.org/ticket/71933#comment:2>
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