[MacPorts] #53975: GnuTLS @3.5.11 fails to build to PPC Tiger, Mac OS X 10.4.11, because of unavailable Availability.h C header file

[MacPorts]

#53975: GnuTLS @3.5.11 fails to build to PPC Tiger, Mac OS X 10.4.11, because of
unavailable Availability.h C header file
------------------------+-------------------
  Reporter:  ballapete  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.1
Resolution:             |   Keywords:  Tiger
      Port:  gnutls     |
------------------------+-------------------
Changes (by ballapete):

 * Attachment "main.log" added.

 main.log from Tiger

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Ticket URL: <https://trac.macports.org/ticket/53975>
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