[MacPorts] #31504: xorg-cf-files has a bad Concat3 macro (somehow gcc doesn't trip on it)

[MacPorts]

#31504: xorg-cf-files has a bad Concat3 macro (somehow gcc doesn't trip on it)
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  Reporter:  takanori@…             |       Owner:  jeremyhu@…           
      Type:  defect                 |      Status:  closed               
  Priority:  Normal                 |   Milestone:                       
 Component:  ports                  |     Version:  2.0.3                
Resolution:  fixed                  |    Keywords:                       
      Port:  xorg-cf-files          |  
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Comment(by jmr@…):

 Looks like imake really needs -traditional-cpp for those macros so the
 whitespace comes out right. Since clang doesn't support that option, I've
 fixed it to use cpp instead of $CC -E in r93865.

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Ticket URL: <https://trac.macports.org/ticket/31504#comment:13>
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