[MacPorts] #53398: ghostscript 9.19 build fails

[MacPorts]

#53398: ghostscript 9.19 build fails
---------------------------------+-------------------
  Reporter:  bruce-r-sutherland  |      Owner:
      Type:  defect              |     Status:  new
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:  2.3.5
Resolution:                      |   Keywords:
      Port:  ghostscript         |
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Comment (by yaseppochi):

 Hi Bruce,
 Did you ever resolve this?
 I can't confirm 100% because I did this seredipitously, but I believe I
 had old copies of /usr/include/Availability*.h in /opt/local/include.
 Removing them seems to have allowed a bunch of builds to proceed.  I
 haven't gotten to ghostscript yet, though.

 What I did exactly:
 {{{
 Read https://trac.macports.org/ticket/48471. As suggested there
 Copy /usr/include/Availability.h to /opt/local/include.
 Try to edit them but this didn't work because the configuration of bad
 #ifdefs in
     48471 wasn't present.
 Deleted them because it's unclean to have them around.
 "Oh! Maybe I had wrong ones there!", retry the upgrades and voilà! compile
 happened.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53398#comment:6>
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