[MacPorts] #57093: caffe update fails after protobuf3 upgrade

[MacPorts]

#57093: caffe update fails after protobuf3 upgrade
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  Reporter:  jwhowse4  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.3
Resolution:            |   Keywords:
      Port:  caffe     |
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Changes (by jwhowse4):

 * Attachment "caffe_main.log" added.

 build log

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Ticket URL: <https://trac.macports.org/ticket/57093>
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