[MacPorts] #69200: poppler fails to build - missing charconv on some systems

[MacPorts]

#69200: poppler fails to build - missing charconv on some systems
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  Reporter:  rmottola  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  legacysupport,leopard
      Port:  poppler   |
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Comment (by kencu):

 Jeremy dropped many clang versions over the years (and ld64 versions).

 If there is no buildbot, building 7 or 8 gcc versions on powerpc is a week
 long project.

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Ticket URL: <https://trac.macports.org/ticket/69200#comment:14>
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