[MacPorts] #69455: poppler @24.03.0: build failure on macOS 10.14 and earlier due to use of std::filesystem

[MacPorts]

#69455: poppler @24.03.0: build failure on macOS 10.14 and earlier due to use of
std::filesystem
-------------------------+-------------------------------------------------
  Reporter:  lukaso      |      Owner:  dbevans
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:              |   Keywords:  tiger leopard snowleopard lion
                         |  mountainlion mavericks yosemite elcapitan
      Port:  poppler     |  sierra highsierra mojave
-------------------------+-------------------------------------------------

Comment (by tomio-arisaka):

 Replying to [comment:17 kencu]:
 > I think the idea with the namespace is to replace all the
 {{{std::filesystem::}}} parts in the code with {{{fs::}}}

 Yes, I think so.

 My example needs to be cleaned up :)
 But I am not going to make a pull-request.

 By the way, {{{ghc::filesystem::current_path()}}} is not provided.
 So I have to substitute {{{ghc::filesystem::current_path(std::error_code&
 ec)}}} for {{{std::filesystem::current_path()}}}.

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Ticket URL: <https://trac.macports.org/ticket/69455#comment:20>
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