[MacPorts] #15816: gtk2 does not build on PowerPC because of glib2

[MacPorts]

#15816: gtk2 does not build on PowerPC because of glib2
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  Reporter:  js-macports at webkeks.org  |       Owner:  ryandesign at macports.org
      Type:  defect                   |      Status:  assigned               
  Priority:  Normal                   |   Milestone:  Port Bugs              
 Component:  ports                    |     Version:  1.6.0                  
Resolution:                           |    Keywords:  gtk                    
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Comment (by ryandesign at macports.org):

 @jjdanimoth: thank you very much for the patch. I was going to do
 something very similar. I'd just use !__BIG_ENDIAN!__ instead of
 !__ppc!__.  I'm testing the patch now and assuming it resolves the issue I
 will commit it shortly.

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Ticket URL: <http://trac.macports.org/ticket/15816#comment:26>
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