[MacPorts] #64826: xar @1.8.0.482: fatal error: 'os/availability.h' file not found

[MacPorts]

#64826: xar @1.8.0.482: fatal error: 'os/availability.h' file not found
-------------------------+-------------------------------------------------
  Reporter:  ryandesign  |      Owner:  Schamschula
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.2
Resolution:              |   Keywords:  tiger leopard snowleopard lion
      Port:  xar         |  mountainlion mavericks yosemite elcapitan
-------------------------+-------------------------------------------------

Comment (by Schamschula):

 In [changeset:"835623280353221a5cf3723ea8a1ae2d1e9ce92f/macports-ports"
 835623280353221a5cf3723ea8a1ae2d1e9ce92f/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="835623280353221a5cf3723ea8a1ae2d1e9ce92f"
 xar: atempt to fix 'os/availability.h' file not found

 See: https://trac.macports.org/ticket/64826
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64826#comment:2>
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