[MacPorts] #32041: Having libunwind-headers installed prevents apple-gcc42 from building

[MacPorts]

#32041: Having libunwind-headers installed prevents apple-gcc42 from building
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 Reporter:  dave@…             |       Owner:  macports-tickets@…                   
     Type:  defect             |      Status:  new                                  
 Priority:  Normal             |   Milestone:  MacPorts 2.0.4                       
Component:  ports              |     Version:  2.0.3                                
 Keywords:                     |        Port:                                       
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 This is on Lion.

 This thread led me to try uninstalling libunwind-headers (I was getting
 the same compilation errors in my build log as shown there), after which
 apple-gcc42 built and installed flawlessly:
 http://gcc.gnu.org/ml/gcc-help/2008-04/msg00099.html

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Ticket URL: <https://trac.macports.org/ticket/32041>
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