[MacPorts] #70409: c-ares @1.32.2 does not build on PPC Tiger, Mac OS X 10.4.11, because of error: expected declaration specifiers before '__OSX_AVAILABLE_STARTING'?

[MacPorts]

#70409: c-ares @1.32.2 does not build on PPC Tiger, Mac OS X 10.4.11, because of
error: expected declaration specifiers before '__OSX_AVAILABLE_STARTING'?
------------------------+-----------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.9.3
Resolution:             |   Keywords:  tiger ppc
      Port:  c-ares     |
------------------------+-----------------------

Comment (by tobypeterson):

 Can you try adding this before the uses of `__OSX_AVAILABLE_STARTING` in
 dnsinfo.h?

 {{{
 #ifndef __OSX_AVAILABLE_STARTING
 #define __OSX_AVAILABLE_STARTING(_osx, _ios)
 #endif
 }}}

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Ticket URL: <https://trac.macports.org/ticket/70409#comment:2>
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