[MacPorts] #61860: octave: enable arm64 build

[MacPorts]

#61860: octave: enable arm64 build
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 Reporter:  kencu   |      Owner:  MarcusCalhoun-Lopez
     Type:  defect  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:  arm64   |       Port:  octave
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 arm64 versions of octave exist on several unix variants

 the portfile currently only considers Intel and powerpc archs. arm64 arch
 considerations will have to be added, and then a suitable target
 generated.

 and then we can see what else might need to be done to make it build.

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Ticket URL: <https://trac.macports.org/ticket/61860>
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