[MacPorts] #59394: librsvg fails to build under Macports 2.6.1 on Mac OS Catalina

[MacPorts]

#59394: librsvg fails to build under Macports 2.6.1 on Mac OS Catalina
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  Reporter:  infopox  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  librsvg
      Port:           |
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Changes (by infopox):

 * Attachment "main.log" added.

 build log file

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Ticket URL: <https://trac.macports.org/ticket/59394>
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