[MacPorts] #70676: gmic-lib: Unable to upgrade on Mtn Lion - fatal error: use of undeclared identifier 'AT_FDCWD'

[MacPorts]

#70676: gmic-lib: Unable to upgrade on Mtn Lion - fatal error: use of undeclared
identifier 'AT_FDCWD'
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  Reporter:  RobK88                   |      Owner:  Ken <21211439+kencu@…>
      Type:  defect                   |     Status:  reopened
  Priority:  Normal                   |  Milestone:
 Component:  ports                    |    Version:  2.10.1
Resolution:                           |   Keywords:  mtnlion
      Port:  gmic-lib legacy-support  |
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Comment (by Schamschula):

 What do mean by proper use of {{{legacy-support}}}?

 The PortGroup is declared for all macOS versions, but somehow doesn't work
 correctly for 10.7 thru 10.9. There is nothing I can do from my end.

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Ticket URL: <https://trac.macports.org/ticket/70676#comment:17>
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