[MacPorts] #59190: graphviz @2.40.1_2 +pangocairo+x11: Failed to build graphviz: command execution failed

[MacPorts]

#59190: graphviz @2.40.1_2 +pangocairo+x11: Failed to build graphviz: command
execution failed
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  Reporter:  allgoth   |      Owner:  ryandesign
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.1
Resolution:            |   Keywords:
      Port:  graphviz  |
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Comment (by dubiousjim):

 I can't build this graphviz with a new install of OS X 10.15.6, Xcode
 11.6. Have `sudo port deactivate active; sudo port install -Nv graphviz
 build.jobs=1`. My /opt/local/etc/macports/variants.conf has `+no_x11 -x11
 +quartz -universal`.

 Will attach log of failed install.

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Ticket URL: <https://trac.macports.org/ticket/59190#comment:1>
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