[MacPorts] #16745: Allow macports to compile with apple's gcc 4.2

[MacPorts]

#16745: Allow macports to compile with apple's gcc 4.2
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  Reporter:  illogical1 at gmail.com                                                                                |       Owner:  macports-tickets at lists.macosforge.org
      Type:  defect                                                                                              |      Status:  new                                  
  Priority:  Normal                                                                                              |   Milestone:  Port Bugs                            
 Component:  ports                                                                                               |     Version:  1.6.0                                
Resolution:                                                                                                      |    Keywords:  fix compilation gcc 4.2 apple-gcc42  
      Port:  expat giflib ilmbase jasper lcms libgpg-error libvorbis lzmautils openexr subversion tiff flac pth  |  
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Comment(by illogical1 at gmail.com):

 universal_build_boost-jam.diff is for another ticket.

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Ticket URL: <http://trac.macports.org/ticket/16745#comment:1>
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