[MacPorts] #67597: Unable to upgrade rust to 1.70.0_0

[MacPorts]

#67597: Unable to upgrade rust to 1.70.0_0
---------------------+---------------------------------
  Reporter:  RobK88  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect  |     Status:  accepted
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.8.1
Resolution:          |   Keywords:
      Port:  rust    |
---------------------+---------------------------------

Comment (by RobK88):

 Marcus wrote:


 {{{
 The buildbot is using ​Xcode 9.4.1, CLT 9.4.1.0.1.1528165917, so Rust's
 `compiler.cxx_standard 2017` causes MacPorts to use `clang-16`, which, as
 you note, works fine.
 }}}

 Interesting.  It is strange that I have to manually specify the `clang-16`
 compiler when installing or upgrading `rust`.  It should have been
 selected automatically without the need to specify the compiler.

-- 
Ticket URL: <https://trac.macports.org/ticket/67597#comment:12>
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