[MacPorts] #57167: poppler-qt5: CMake-related build failure on 10.8

[MacPorts]

#57167: poppler-qt5: CMake-related build failure on 10.8
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  Reporter:  mojca        |      Owner:  dbevans
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  poppler-qt5  |
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Comment (by ryandesign):

 It's easy enough to reproduce this on a newer system such as High Sierra
 with:
 {{{
 sudo port configure poppler-qt5 configure.compiler=macports-clang-6.0
 }}}

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Ticket URL: <https://trac.macports.org/ticket/57167#comment:1>
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