[MacPorts] #56483: Error updating graphene

[MacPorts]

#56483: Error updating graphene
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  Reporter:  eolaguir  |      Owner:  dbevans
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  graphene  |
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Comment (by ryandesign):

 Why does destroot already exist? I suspect an unclean build attempt. Run
 `sudo port clean graphene`, then try again.

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Ticket URL: <https://trac.macports.org/ticket/56483#comment:3>
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