[MacPorts] #60344: FreeRDP 2.0.0 fails to build on <= 10.13

[MacPorts]

#60344: FreeRDP 2.0.0  fails to build on <= 10.13
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  Reporter:  ra1nb0w  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  FreeRDP  |
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Comment (by ryandesign):

 Replying to [ticket:60344 ra1nb0w]:
 > == 10.9
 > {{{
 >
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_net_FreeRDP/FreeRDP/work/FreeRDP-2.0.0/channels/rdpsnd/client/mac/rdpsnd_mac.m:37:10:
 fatal error: 'AVFoundation/AVAudioBuffer.h' file not found
 > #include <AVFoundation/AVAudioBuffer.h>
 > }}}

 Indeed,
 [https://developer.apple.com/documentation/avfoundation/avaudiobuffer
 AVAudioBuffer] was introduced in 10.10. If whatever FreeRDP feature this
 is part of is optional, let's disable it on 10.9 or earlier. If it's
 mandatory, then FreeRDP now requires 10.10 or later.

-- 
Ticket URL: <https://trac.macports.org/ticket/60344#comment:5>
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