[MacPorts] #69088: Rust should not try to fetch non-existing pre-built binaries for unsupported archs

[MacPorts]

#69088: Rust should not try to fetch non-existing pre-built binaries for
unsupported archs
---------------------------+---------------------------------
  Reporter:  barracuda156  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:  powerpc
      Port:  rust          |
---------------------------+---------------------------------

Comment (by ryandesign):

 Replying to [ticket:69088 barracuda156]:
 > At the moment there is no support for any macOS PowerPC systems with
 Rust, whether upstream or Macports. While it might be feasible to fix it,
 just no one tried with enough motivation, it is certainly meaningless to
 fetch pre-built binaries, which cannot exist.

 I don't think this port should need to do anything specifically to prevent
 fetching of archives. Instead, the port should indicate the architectures
 (using `supported_archs`) and [comment:ticket:15712:46 OS versions] (using
 `platforms`) on which it works and let MacPorts base handle the rest.

 > it looks like a fetch error, while in reality it is not.

 That's tracked in #68869.

-- 
Ticket URL: <https://trac.macports.org/ticket/69088#comment:2>
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