[MacPorts] #23772: InsightToolKit: fix linking against python 2.6 framework

[MacPorts]

#23772: InsightToolKit: fix linking against python 2.6 framework
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 Reporter:  jeremyhu@…             |       Owner:  dweber@…            
     Type:  defect                 |      Status:  new                 
 Priority:  Normal                 |   Milestone:                      
Component:  ports                  |     Version:  1.8.2               
 Keywords:  python build failure   |        Port:  cmake InsightToolkit
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Comment(by css@…):

 Rather than using `configure.ldflags`, you should probably just pass the
 special CMake environment variable directly to the cmake configuration:

 {{{
 #!tcl
 configure.env-append    CMAKE_FRAMEWORK_PATH=${frameworks_dir}
 }}}

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Ticket URL: <https://trac.macports.org/ticket/23772#comment:3>
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