[MacPorts] #53843: warning: 'syscall' is deprecated: first deprecated in macOS 10.12 - syscall(2) is unsupported; please switch to a supported interface (was: Macports 2nd Instance Make 50 Count Warnings Syscall Deprecated Need Supported Interface)

[MacPorts]

#53843: warning: 'syscall' is deprecated: first deprecated in macOS 10.12 -
syscall(2) is unsupported; please switch to a supported interface
---------------------+-------------------
  Reporter:  rwebaz  |      Owner:
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  base    |    Version:  2.4.1
Resolution:          |   Keywords:
      Port:          |
---------------------+-------------------

Comment (by ryandesign):

 It is true that the darwintracelib part of MacPorts does use `syscall`,
 and according to the warnings shown in your transcript this does appear to
 be deprecated as of Sierra, so I guess we should look for an alternative
 (while still maintaining compatibility with older systems).

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Ticket URL: <https://trac.macports.org/ticket/53843#comment:3>
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