[MacPorts] #33423: Updated swi-prolog portfile for version 6.0.1

[MacPorts]

#33423: Updated swi-prolog portfile for version 6.0.1
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  Reporter:  pmoura@…            |       Owner:  cal@…              
      Type:  update              |      Status:  closed             
  Priority:  Normal              |   Milestone:                     
 Component:  ports               |     Version:  2.0.4              
Resolution:  fixed               |    Keywords:  haspatch maintainer
      Port:  swi-prolog          |  
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Changes (by cal@…):

  * status:  assigned => closed
  * resolution:  => fixed


Comment:

 I've commited this for now in r90316.

 I think I have a few points where the portfile can be improved (e.g.
 building with clang might work), but I'll just put it on my todo list and
 open a ticket as soon as I have a tested patch.

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Ticket URL: <https://trac.macports.org/ticket/33423#comment:4>
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