[MacPorts] #54308: cargo: configure: error: needed, but unable to find any of: CFG_CARGO cargo

[MacPorts]

#54308: cargo: configure: error: needed, but unable to find any of: CFG_CARGO cargo
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  Reporter:  ostefano  |      Owner:  seanfarley
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.4.1
Resolution:            |   Keywords:
      Port:  cargo     |
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Comment (by raimue):

 Looks like cargo has a dependency on itself: https://github.com/rust-
 lang/cargo/issues/3437

 In order to bootstrap we would need to additionally download a prior
 release as a binary, similar to how it is done for rust itself.

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Ticket URL: <https://trac.macports.org/ticket/54308#comment:3>
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