[MacPorts] #67825: Possible to add CI and/or buildbots with GCC (on Intel)?

[MacPorts]

#67825: Possible to add CI and/or buildbots with GCC (on Intel)?
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 Reporter:  barracuda156   |      Owner:  admin@…
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  buildbot/mpbb  |    Version:  2.8.1
 Keywords:                 |       Port:
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 Since, unfortunately, there seem to exist a quite common fallacy that
 macOS == clang (and often implying Xcode clang which came with the OS), we
 will keep getting ports broken for GCC. It will be great to test that
 somehow – I do not mean PowerPC here, of course, any convenient Intel set-
 up will be perfectly fine.

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Ticket URL: <https://trac.macports.org/ticket/67825>
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