[MacPorts] #58091: weird boost/mysql issue preventing snort upgrade after selfupdate

[MacPorts]

#58091: weird boost/mysql issue preventing snort upgrade after selfupdate
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  Reporter:  TheLastLovemark  |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.5.4
Resolution:                   |   Keywords:
      Port:  mysql57 boost    |
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Comment (by michaelld):

 Another possible issue: The MySql57 CMake script is designed to use the
 internal protocol buffers source if the user doesn't specify otherwise.
 There's nothing in the Portfile specifying otherwise, but because 'port'
 uses lots of MacPorts headers, I'd bet that for the specific plugin C++
 files there is a header search path ordering issue, where the MacPorts
 headers are searched before the internal MySql57 headers. The MySql57
 protocol buffers is at version 2.6.1, which probably doesn't require C++11
 for building & Hence would work correctly if not for so many issues herein
 LOL!

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Ticket URL: <https://trac.macports.org/ticket/58091#comment:13>
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