[MacPorts] #30768: qt4-mac fails with clang++

[MacPorts]

#30768: qt4-mac fails with clang++
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 Reporter:  bgrupe@…          |       Owner:  macports-tickets@…                   
     Type:  defect            |      Status:  new                                  
 Priority:  Normal            |   Milestone:                                       
Component:  ports             |     Version:  2.0.1                                
 Keywords:                    |        Port:  qt4-mac                              
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 Hi,

 when building qt4-mac with clang++ it fails.
 The default setting for XCode 4.2 was recently changed to use
 clang/clang++ so after XCode 4.2 final is released more people will
 encounter this problem.

 The qt4-mac port uses some gccisms with precompiled header files and
 clang++ thus fails.

 Please explicitly change the use of the compiler to llvm-g++-4.2 for this
 port.

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Ticket URL: <https://trac.macports.org/ticket/30768>
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