[MacPorts] #53094: vigra: doxygen should be a build dependency

[MacPorts]

#53094: vigra: doxygen should be a build dependency
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 Reporter:  MarcusCalhoun-Lopez  |      Owner:  BSeppke
     Type:  defect               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:
 Keywords:                       |       Port:  vigra
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 Attached is a patch to make oxygen a build dependency instead of a library
 dependency.

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Ticket URL: <https://trac.macports.org/ticket/53094>
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