[MacPorts] #60787: TeXmacs @1.99.2_3 build fails under macOS 10.15.5

[MacPorts]

#60787: TeXmacs @1.99.2_3 build fails under macOS 10.15.5
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  Reporter:  murrayE                             |      Owner:  (none)
      Type:  defect                              |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:  2.6.2
Resolution:                                      |   Keywords:  build
      Port:  TeXmacs-devel @1.99.9-dev-20190603  |  failure
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Changes (by murrayE):

 * Attachment "main.log" added.

 main.log

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Ticket URL: <https://trac.macports.org/ticket/60787>
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