[MacPorts] #56669: ldns 1.7.0 ./configure fails to find the SDK on MacOS X <= 10.6

[MacPorts]

#56669: ldns 1.7.0 ./configure fails to find the SDK on MacOS X <= 10.6
-------------------------+--------------------------------------
  Reporter:  grumpybozo  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.5.2
Resolution:              |   Keywords:  haspatch upstream update
      Port:  ldns        |
-------------------------+--------------------------------------
Changes (by grumpybozo):

 * keywords:  haspatch upstream => haspatch upstream update


Comment:

 This has been fixed in upstream v1.7.1, using my patch.

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Ticket URL: <https://trac.macports.org/ticket/56669#comment:3>
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