[MacPorts] #47426: Add OpenCoarrays dependency for gcc5

[MacPorts]

#47426: Add OpenCoarrays dependency for gcc5
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  Reporter:  damian@…  |      Owner:  macports-tickets@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.3
Resolution:            |   Keywords:
      Port:  gcc5      |
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Comment (by larryv@…):

 Replying to [comment:8 damian@…]:
 > I think this finally corrects my previous misinterpretation that
 > Macports could edit my login profile (~/.profile), which contains
 > lines such as the one below.  I now realize these lines must have been
 > placed there when Macports itself was installed.  Based on what you're
 > saying, Macports cannot edit login profiles.  Correct?

 The MacPorts installer can modify a user’s `.profile`, but MacPorts itself
 does not.

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Ticket URL: <https://trac.macports.org/ticket/47426#comment:10>
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