[GHC] #8145: can't build ghc on OS X 10.8 with XCODE 5 installed

[GHC]

#8145: can't build ghc on OS X 10.8 with XCODE 5 installed
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       Reporter:  carter            |             Owner:
           Type:  bug               |            Status:  new
       Priority:  normal            |         Milestone:
      Component:  Compiler          |           Version:  7.6.3
       Keywords:                    |  Operating System:  Unknown/Multiple
   Architecture:  Unknown/Multiple  |   Type of failure:  None/Unknown
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
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 see #8143 http://ghc.haskell.org/trac/ghc/ticket/8143

 Oddly, I had this problem even when I was using gcc-4.8 to do the cpp when
 I had the Xcode 5 tools installed.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8145>
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