[MacPorts] #33465: vtk5 +qt4_mac build fails (vtk build with --python upstream bug)

[MacPorts]

#33465: vtk5 +qt4_mac build fails (vtk build with --python upstream bug)
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 Reporter:  v.favrenicolin@…        |       Owner:  adfernandes@…           
     Type:  defect                  |      Status:  new                     
 Priority:  Normal                  |   Milestone:                          
Component:  ports                   |     Version:  2.0.4                   
 Keywords:  vtk5 python             |        Port:  vtk5                    
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Comment(by browntroutstream@…):

 Replying to [comment:8 v.favrenicolin@…]:
 > Yes I guess you have to use portfile variables like
 ```${worksrcpath}```, ```${destroot}```, ```${name}```, ... Not sure about
 their exact definition, so I could not write a general correct Portfile.

 I think it's ${portpath} [1]

 Nice mods to the Portfile, btw.  The other workarounds were not as clear.

 [1] http://guide.macports.org/chunked/reference.variables.html

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Ticket URL: <https://trac.macports.org/ticket/33465#comment:9>
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