[MacPorts] #67688: libiodbc @3.52.16: builds fail for various macOS releases, due to '+gui' now being default

[MacPorts]

#67688: libiodbc @3.52.16: builds fail for various macOS releases, due to '+gui'
now being default
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  Reporter:  mascguy   |      Owner:  mohd-akram
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.8.1
Resolution:            |   Keywords:
      Port:  libiodbc  |
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Comment (by mascguy):

 Replying to [comment:3 mohd-akram]:
 > This is just due to a check in the Makefile that seems to be added
 recently. I would've rather actually tried to build it and see what
 happens:

 Okay, sure. But given that `+gui` hasn't been the default for all of this
 time, why suddenly make it default now? (Particularly if you don't have
 the capability to test it across-the-board?)

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Ticket URL: <https://trac.macports.org/ticket/67688#comment:4>
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