[MacPorts] #36687: Error: org.macports.build for port graphviz returned: command execution failed

[MacPorts]

#36687: Error: org.macports.build for port graphviz returned: command execution
failed
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  Reporter:  jacopo.lanzoni.10@…  |      Owner:  ryandesign@…
      Type:  defect               |     Status:  new
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.1.2
Resolution:                       |   Keywords:
      Port:  graphviz             |
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Comment (by jacopo.lanzoni.10@…):

 I clean graphviz and it fails again. The new main.log file is attached.
 Thanks again!

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Ticket URL: <https://trac.macports.org/ticket/36687#comment:4>
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