[MacPorts] #49373: fftw-3 @3.3.4_1: add variant with patches for pfft, fix test phase for mpi

[MacPorts]

#49373: fftw-3 @3.3.4_1: add variant with patches for pfft, fix test phase for mpi
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  Reporter:  dstrubbe@…   |      Owner:  sean@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.4
Resolution:               |   Keywords:  haspatch
      Port:  fftw-3       |
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Comment (by sean@…):

 I'm about to go to a Mercurial sprint in London and might not have time to
 look at this until next week.

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Ticket URL: <https://trac.macports.org/ticket/49373#comment:1>
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