[MacPorts] #50659: OpenSceneGraph upgrade to 3.4.0 fails

[MacPorts]

#50659: OpenSceneGraph upgrade to 3.4.0 fails
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  Reporter:  dersh@…         |      Owner:  macports-tickets@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.3.4
Resolution:                  |   Keywords:
      Port:  OpenSceneGraph  |
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Old description:

> The upgrade of OpenSceneGraph from 3.2.1_2 to 3.4.0_0 fails.
> This upgrade is from ticket: [https://trac.macports.org/changeset/145751]
> I have attached a build log file.

New description:

 The upgrade of OpenSceneGraph from 3.2.1_2 to 3.4.0_0 fails.\\
 This upgrade is from ticket: r145751\\
 I have attached a build log file.

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Comment (by ryandesign@…):

 You've attached a log file from an unclean build attempt. Please `sudo
 port clean OpenSceneGraph`, then try again. If it fails again, please
 attach the new main.log file.

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Ticket URL: <https://trac.macports.org/ticket/50659#comment:1>
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