[MacPorts] #61310: notmuch @0.31 +emacs: variable rsti_dir is empty

[MacPorts]

#61310: notmuch @0.31 +emacs: variable rsti_dir is empty
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  Reporter:  lafpark  |      Owner:  rseichter
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.3
Resolution:           |   Keywords:
      Port:  notmuch  |
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Comment (by rseichter):

 lafpark indeed has not yet answered what realpath binary he is using and
 where it is located. Without the full build logs, one cannot tell if it is
 a standalone binary that is included in PATH, or perhaps a builtin
 function (FISH includes one, for example).

 As for the pull request, the C++ stdlib and Python version fixes are
 helpful, of course. I am not quite sure why you called the newly
 introduced variable "python_branch", though? It Python lingua, 3.8 is a
 version, not a branch.

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Ticket URL: <https://trac.macports.org/ticket/61310#comment:20>
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