[MacPorts] #67264: gmic-gimp/gmic-qt @3.2.3: builds failing on older macOS releases: call to 'abs' is ambiguous

[MacPorts]

#67264: gmic-gimp/gmic-qt @3.2.3: builds failing on older macOS releases: call to
'abs' is ambiguous
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  Reporter:  mascguy            |      Owner:  Schamschula
      Type:  defect             |     Status:  assigned
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.8.1
Resolution:                     |   Keywords:
      Port:  gmic-gimp gmic-qt  |
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Comment (by jmroot):

 Ambiguous doesn't mean undefined, it means there are multiple versions of
 the function defined that take different types, and it's not sure which
 one you meant. Casting to the appropriate type may help.

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Ticket URL: <https://trac.macports.org/ticket/67264#comment:2>
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