[MacPorts] #67904: opencolorio fails to configure with gcc due to wrong cxxflags: cc1plus: error: '-Wno-error=self-assign-field': no option '-Wself-assign-field'

[MacPorts]

#67904: opencolorio fails to configure with gcc due to wrong cxxflags: cc1plus:
error: '-Wno-error=self-assign-field': no option '-Wself-assign-field'
---------------------------+---------------------------------
  Reporter:  barracuda156  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:
      Port:  opencolorio   |
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Comment (by barracuda156):

 Oh, it is we are breaking it by adding a wrong flag…

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Ticket URL: <https://trac.macports.org/ticket/67904#comment:1>
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