[MacPorts] #71020: xar @1.8.0.501_0 - Fails to Build on El Capitan - error: expected function body after function declarator

[MacPorts]

#71020: xar @1.8.0.501_0 - Fails to Build on El Capitan - error: expected function
body after function declarator
---------------------+-----------------------
  Reporter:  RobK88  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.10.2
Resolution:          |   Keywords:  elcapitan
      Port:  xar     |
---------------------+-----------------------

Comment (by ryandesign):

 From the log:

 {{{
 src/xar_internal.h:18:49: error: expected function body after function
 declarator
 xar_t xar_open(const char *file, int32_t flags)
 API_AVAILABLE(macos(10.4));
                                                 ^
 }}}

 We've had this problem with this port before; see #64837.

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Ticket URL: <https://trac.macports.org/ticket/71020#comment:4>
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