[MacPorts] #31635: xattr fails to build with latest version of xcode due to depricated -buildstyle switch

[MacPorts]

#31635: xattr fails to build with latest version of xcode due to depricated
-buildstyle switch
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 Reporter:  pkutzner+macports@…          |       Owner:  macports-tickets@…                   
     Type:  defect                       |      Status:  new                                  
 Priority:  Normal                       |   Milestone:                                       
Component:  ports                        |     Version:  2.0.3                                
 Keywords:                               |        Port:  xattr                                
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Comment(by ryandesign@…):

 Surely the xattr port isn't needed anymore? This was a quick and dirty
 program created shortly after Tiger was introduced, because Tiger did not
 include any such program. But surely Leopard, Snow Leopard and Lion have
 such a program built in? I see a /usr/bin/xattr already installed on my
 Snow Leopard machine. Give that a try.

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Ticket URL: <https://trac.macports.org/ticket/31635#comment:3>
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