[MacPorts] #33649: cgal update 3.9 -> 4.0

[MacPorts]

#33649: cgal update 3.9 -> 4.0
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 Reporter:  mmoll@…             |       Owner:  vince@…           
     Type:  update              |      Status:  new               
 Priority:  Normal              |   Milestone:                    
Component:  ports               |     Version:                    
 Keywords:  haspatch            |        Port:  cgal              
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Comment(by mmoll@…):

 Replying to [comment:23 sean.michael.farley@…]:
 > Wait a minute. Why make more work for ourselves with this 'demo'
 variant? Why not create a new port called cgal-examples? This new port
 would depend on cgal and would avoid all these wonky rpath issues since
 cgal's examples and demos are actually written expecting cgal to be
 already installed. Thoughts?

 This still would require patching the CMakeLists.txt files to actually
 install the demos.

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Ticket URL: <https://trac.macports.org/ticket/33649#comment:25>
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