[MacPorts] #70289: abaddon @0.2.1_2 ppc: fails to build on Leopard

[MacPorts]

#70289: abaddon @0.2.1_2 ppc: fails to build on Leopard
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  Reporter:  ScarlettPPC  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.9.3
Resolution:               |   Keywords:
      Port:  abaddon      |
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Comment (by kencu):

 It will need a newer gcc than gcc7.

 {{{
 error: 'std::filesystem' has not been declared
 }}}

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Ticket URL: <https://trac.macports.org/ticket/70289#comment:2>
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