[MacPorts] #33085: boost: support building for a different SDK

[MacPorts]

#33085: boost: support building for a different SDK
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  Reporter:  ryandesign@…             |       Owner:  adfernandes@…           
      Type:  defect                   |      Status:  closed                  
  Priority:  Normal                   |   Milestone:                          
 Component:  ports                    |     Version:  2.0.3                   
Resolution:  wontfix                  |    Keywords:  haspatch                
      Port:  boost                    |  
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Comment(by bayoubengal@…):

 I let the entire build run and save the build log. Then, I searched for
 the work "unrecognized". There were no instances found. I cannot reproduce
 your claim that adding isysroot breaks the build.

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Ticket URL: <https://trac.macports.org/ticket/33085#comment:5>
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