[MacPorts] #62910: netcdf-cxx4 @4.3.0: ../version:1:1: error: expected external declaration (was: netcdf-cxx4 does not build on 11.3.1)

[MacPorts]

#62910: netcdf-cxx4 @4.3.0: ../version:1:1: error: expected external declaration
--------------------------+----------------------
  Reporter:  pcmock       |      Owner:  tenomoto
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.4
Resolution:               |   Keywords:  bigsur
      Port:  netcdf-cxx4  |
--------------------------+----------------------
Changes (by ryandesign):

 * keywords:  netcdf => bigsur


Old description:

> netcdf-cxx4 4.3
> Error: Processing of port netcdf-cxx4 failed
> Mac OS 11.3.1
> xcode 12.5

New description:

 netcdf-cxx4 4.3
 {{{
 Error: Processing of port netcdf-cxx4 failed
 }}}
 Mac OS 11.3.1\\
 xcode 12.5

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Comment:

 Same problem as reported in #62912 for netcdf-cxx. C++20 / version header
 / case-insensitive filesysem issue. Upstream to resolve.

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Ticket URL: <https://trac.macports.org/ticket/62910#comment:1>
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