[MacPorts] #61860: octave: enable arm64 build

[MacPorts]

#61860: octave: enable arm64 build
---------------------+---------------------------------
  Reporter:  kencu   |      Owner:  MarcusCalhoun-Lopez
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  arm64
      Port:  octave  |
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Comment (by ryandesign):

 There is a PR now at: https://github.com/macports/macports-
 ports/pull/13862

 Replying to [comment:2 Schamschula]:
 > {{{gcc-devel}}} installs its libs in {{{/opt/local/lib/libgcc/}}}

 Presumably this is caused by this line in the portfile:

 {{{
 if {${gccdir} eq "gccdevel"} {set gccdir gcc-devel}
 }}}

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Ticket URL: <https://trac.macports.org/ticket/61860#comment:6>
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