[MacPorts] #25718: arm-elf-gcc needs --disable-__cxa_atexit configure option

[MacPorts]

#25718: arm-elf-gcc needs --disable-__cxa_atexit configure option
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 Reporter:  billy@…             |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.9.1                                
 Keywords:                      |        Port:                                       
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 gcc 4 defaults to enable __cxa_atexit. This only needed by glibc and
 shouldn't be used for newlib. It will cause "undefined reference to
 `__cxa_atexit'" errors. I have attached a patch for the portfile.

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Ticket URL: <http://trac.macports.org/ticket/25718>
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