[MacPorts] #66775: graphviz @7.0.6 build failure

[MacPorts]

#66775: graphviz @7.0.6 build failure
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  Reporter:  behumblealways  |      Owner:  ryandesign
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  graphviz        |
-----------------------------+------------------------

Comment (by ryandesign):

 Please `sudo port selfupdate` and then retry with graphviz @7.1.0. If the
 problem remains, please attach the main.log file.

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Ticket URL: <https://trac.macports.org/ticket/66775#comment:2>
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