[MacPorts] #48473: py-h5py @2.5.0_1: add parallel support

[MacPorts]

#48473: py-h5py @2.5.0_1: add parallel support
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  Reporter:  petr@…       |      Owner:  eborisch@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.3
Resolution:               |   Keywords:
      Port:  py-h5py      |
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Comment (by petr@…):

 I came up with a different solution using the configure phase and propose
 it in the provided diff. Anyway, the result should be equivalent. This
 already, solve a relevant issue for me, so if you are fine, I would like
 to commit this.

 BTW: Just to clarify on the comments, I understand that installing h5py
 without variant will result in an installation without MPI support, if you
 are on clear ground. However, #45911 is about a failure to build h5py
 against a already installed parallel h5py. I tried to edit the comment
 above to become clearer. However, have no idea how this could be easily
 solved.

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Ticket URL: <https://trac.macports.org/ticket/48473#comment:5>
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