[MacPorts] #39973: bro: build fails on buildbot

[MacPorts]

#39973: bro: build fails on buildbot
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  Reporter:  ryandesign@…  |      Owner:  tanawts@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.2.0
Resolution:                |   Keywords:
      Port:  bro           |
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Comment (by ryandesign@…):

 I don't know. Try downloading the whole buildbot log and comparing it the
 log from your system. Maybe some output from the configure phase will be
 different and will hint at an opportunistic dependency.

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Ticket URL: <https://trac.macports.org/ticket/39973#comment:2>
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