[MacPorts] #61945: fldigi port fails to rebuild

[MacPorts]

#61945: fldigi port fails to rebuild
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  Reporter:  mouse07410  |      Owner:  ra1nb0w
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  fldigi      |
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Comment (by ra1nb0w):

 You can try to install {{{sudo port install clang-11}}} and check again
 with {{{clang++-mp-11 -std=c++11 -Wall -fsyntax-only
 src/dialogs/guide.cxx}}}.

 At first sight seems a bug on Apple clang also because
 {{{src/dialogs/guide.cxx}}} was last modified in 2020-06-25 therefore
 before 4.1.14.
 Are you using fldigi before? or is it a new installation?

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Ticket URL: <https://trac.macports.org/ticket/61945#comment:9>
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