[MacPorts] #20450: libmad: default CFLAGS conflict with -arch x86_64

[MacPorts]

#20450: libmad: default CFLAGS conflict with -arch x86_64
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 Reporter:  DarkAn9el@…          |       Owner:  macports-tickets@…                   
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  1.8.0                                
 Keywords:                       |        Port:  libmad                               
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Comment(by toby@…):

 should just remove -march altogether

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Ticket URL: <http://trac.macports.org/ticket/20450#comment:1>
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