[GHC] #5011: installing xcode 4 breaks ghc linking

[GHC]

#5011: installing xcode 4 breaks ghc linking
-------------------------------+--------------------------------------------
    Reporter:  carter          |       Owner:              
        Type:  bug             |      Status:  new         
    Priority:  normal          |   Component:  Compiler    
     Version:  7.0.2           |    Keywords:              
    Testcase:                  |   Blockedby:              
          Os:  MacOS X         |    Blocking:              
Architecture:  x86_64 (amd64)  |     Failure:  None/Unknown
-------------------------------+--------------------------------------------
 As of installing xcode 4 earlier today,

 i'm getting errors of the form
 ld: library not found for -lcrt1.10.5.o
 collect2: ld returned 1 exit status

 for any haskell code that invokes ld in its cabal install process.
 1) is this related to some problem in xcode / what the haskell code
 defaults to linking to?
 2) is this something completely unrelated?

 just guessing, would be that ghc 7.0.2 on snow leopard is doing some
 static linking iwth the 10.5 compatible c runtime lib, which isn't kept in
 xcode 4's dev libs?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5011>
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