[MacPorts] #46140: h5utils 1.12.1_7 fails install due to missing MPI libraries

[MacPorts]

#46140: h5utils 1.12.1_7 fails install due to missing MPI libraries
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  Reporter:  jason.b.roberts@…  |      Owner:  higginja@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.3.3
Resolution:                     |   Keywords:
      Port:  h5utils            |
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Comment (by jason.b.roberts@…):

 Replying to [comment:2 sean@…]:
 > This is what the mpi portgroup was written for but I have yet to have
 the time to dig into refactoring it.

 Im just now learning more about macports, and really have not done
 anything more than the basic steps of installing ports with "port install"
 (+variants). So I apologize if these questions seem simple.

 What exactly is a "portgroup" ?

 Is there any way to simply set something in my shell environment to tell
 the port during install to include the path to the "missing" headers ?
 How is the shell environment configured during the port installation? Does
 it ever inherit the calling shell environment flags or does every port
 setup its own base configuration? As an example, if I had
 CC=/opt/local/bin/gcc-mp-48  , would that be the compiler used during the
 port build or does the port setup its own compilers and flags ?

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Ticket URL: <https://trac.macports.org/ticket/46140#comment:3>
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