[MacPorts] #72270: glibmm-2.4 2.62.0_0+x11 Fails with undefined template std::char_traits<unsigned char>

[MacPorts]

#72270: glibmm-2.4  2.62.0_0+x11 Fails with undefined template
std::char_traits<unsigned char>
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 Reporter:  TruePath            |      Owner:  (none)
     Type:  defect              |     Status:  new
 Priority:  Normal              |  Milestone:
Component:  ports               |    Version:
 Keywords:  undefined template  |       Port:  glibmm-2.4
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 I think this has something to do with changes to clang headers or
 something as I've seen similar issues with poppler but not for this port.
 I've attached the log file

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Ticket URL: <https://trac.macports.org/ticket/72270>
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