[MacPorts] #62678: netcdf 4.8.0: update fails after libstdc++ headers not found

[MacPorts]

#62678: netcdf 4.8.0: update fails after libstdc++ headers not found
---------------------------+----------------------
  Reporter:  thiagoveloso  |      Owner:  tenomoto
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  netcdf        |
---------------------------+----------------------

Comment (by thiagoveloso):

 Replying to [comment:3 jmroot]:
 > Replying to [comment:2 kencu]:
 > > I'm not sure how you would get {{{-stdlib=libstdc++}}} into your
 CXXFLAGS otherwise:
 >
 > The compilers portgroup does seem to be saying `libstdc++` when it means
 `macports-libstdc++`.

 This is so weird, I don't know where that came from. The changes in the
 Portfile for this package update were pretty small:
 https://github.com/macports/macports-
 ports/commit/859375d3416092492f27620dc8efae670c49caaa

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Ticket URL: <https://trac.macports.org/ticket/62678#comment:5>
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