[MacPorts] #63869: legacysupport: current support for 'macports-libcxx' broken

[MacPorts]

#63869: legacysupport: current support for 'macports-libcxx' broken
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  Reporter:  mascguy        |      Owner:  cjones051073
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.7.1
Resolution:                 |   Keywords:  macports-libcxx
      Port:  legacysupport  |
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Comment (by catap):

 @mascguy because I'm updating retdec port, let me fix it also.

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Ticket URL: <https://trac.macports.org/ticket/63869#comment:3>
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