[MacPorts] #31504: canna @3.7p3_3: fails to install if xmkmf is built by clang

[MacPorts]

#31504: canna @3.7p3_3: fails to install if xmkmf is built by clang
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  Reporter:  takanori@…             |       Owner:  mcalhoun@…           
      Type:  defect                 |      Status:  closed               
  Priority:  Normal                 |   Milestone:                       
 Component:  ports                  |     Version:  2.0.3                
Resolution:  fixed                  |    Keywords:                       
      Port:  imake                  |  
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Comment(by jeremyhu@…):

 imake itself is fine, so reverting this in r89535

 The real fix lies outside imake (probably in xorg-cf-files), and if you
 want to work around it, do so in the ports that are using imake and
 failing because if this fixe them, then they're broken already in that
 they're not honoring ${configure.cc} properly.

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Ticket URL: <https://trac.macports.org/ticket/31504#comment:7>
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