[MacPorts] #59090: mercurial 5.1 build command execution failed - IndexError: list index out of range

[MacPorts]

#59090: mercurial 5.1 build command execution failed - IndexError: list index out
of range
------------------------+--------------------
  Reporter:  klausness  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.0
Resolution:             |   Keywords:
      Port:  mercurial  |
------------------------+--------------------

Comment (by jmroot):

 Looks like python is trying to be clever with the compiler flags and isn't
 quite clever enough. I'll look into it.

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Ticket URL: <https://trac.macports.org/ticket/59090#comment:1>
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