[MacPorts] #21194: Fix for i386-mingw32-gcc Build Failure on Snow Leopard

[MacPorts]

#21194: Fix for i386-mingw32-gcc Build Failure on Snow Leopard
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 Reporter:  royliu@…            |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.8.0                                
 Keywords:  i386-mingw32-gcc    |        Port:  i386-mingw32-gcc                     
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 The build for the MinGW gcc cross compiler fails on the subcomponent
 libiberty. On i386, passing that as the ${build_arch} caused no problems,
 since the cross compiler was 32-bit. Problems arise, however, when Snow
 Leopard passes in "x86_64" as the ${build_arch}. Incidentally, please find
 attached a patch that nulls out configure.build_arch if ${build_arch} is
 found out to be "x86_64".

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Ticket URL: <http://trac.macports.org/ticket/21194>
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