[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                                                                                             
 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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 The following Portfile patches allow compilation with apple's gcc 4.2.
 Tested on 10.4.

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