[MacPorts] #58978: Unable to Upgrade xar or python27 - Fails to configure

[MacPorts]

#58978: Unable to Upgrade xar or python27 - Fails to configure
---------------------------+--------------------
  Reporter:  RobK88        |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.5.4
Resolution:                |   Keywords:  Lion
      Port:  xar python27  |
---------------------------+--------------------

Comment (by RobK88):

 Here is the config log after trying to build xar using clang-3.7

-- 
Ticket URL: <https://trac.macports.org/ticket/58978#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS