[MacPorts] #44168: mkvtoolnix 7.0 crash on start

[MacPorts]

#44168: mkvtoolnix 7.0 crash on start
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  Reporter:  bunk3m@…    |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  mkvtoolnix  |
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Comment (by mojca@…):

 What flag/name would be given to the port where the global MacPorts
 setting is `libstdc++`, but the port is compiled with `libc++`?

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Ticket URL: <https://trac.macports.org/ticket/44168#comment:8>
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