[MacPorts] #18800: Building py25-xml fails due to -Wno-long-double

[MacPorts]

#18800: Building py25-xml fails due to -Wno-long-double
------------------------------------------+---------------------------------
 Reporter:  hans.ekkehard.plesser@…       |       Owner:  macports-tickets@…                   
     Type:  defect                        |      Status:  new                                  
 Priority:  Normal                        |   Milestone:  Port Bugs                            
Component:  ports                         |     Version:  1.7.0                                
 Keywords:  python distutils gcc          |        Port:  py25-xml                             
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 Building py25-xml failed with
 {{{
 cc1: error: unrecognized command line option "-Wno-long-double"
 error: command 'gcc' failed with exit status 1
 }}}

 Configuration:
  * MacPorts 1.7.0
  * OSX 10.5.6
  * XCode 3.1.2
  * /opt/local/bin/gcc is gcc 4.3.2

 The reason for the failure is that the long-deprecated `-Wno-long-double`
 option has been removed from gcc (see also #17788).

 The `-Wno-long-double` option is inherited from the Python
 `distutils.sysconfig` configuration variables and needs to be deleted in
 `setup.py`. A patch doing this is attached.

-- 
Ticket URL: <http://trac.macports.org/ticket/18800>
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