[MacPorts] #62870: gerbil: builds failing for Big Sur ARM; undeclared identifiers for intrinsics

[MacPorts]

#62870: gerbil: builds failing for Big Sur ARM; undeclared identifiers  for
intrinsics
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  Reporter:  mascguy  |      Owner:  neverpanic
      Type:  defect   |     Status:  reopened
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  gerbil   |
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Comment (by jmroot):

 BTW, only `VoleModuleMacros.cmake` uses the `enable_sse2` macro. Removing
 it there would likely make more sense than changing the macro's
 definition.

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Ticket URL: <https://trac.macports.org/ticket/62870#comment:7>
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