[GHC] #6063: GHC's build-time ld-flag checks are problematic

[GHC]

#6063: GHC's build-time ld-flag checks are problematic
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    Reporter:  parcs             |       Owner:  thoughtpolice          
        Type:  bug               |      Status:  patch                  
    Priority:  high              |   Milestone:  7.8.1                  
   Component:  Compiler          |     Version:  7.4.1                  
    Keywords:                    |          Os:  Linux                  
Architecture:  Unknown/Multiple  |     Failure:  GHC doesn't work at all
  Difficulty:  Unknown           |    Testcase:                         
   Blockedby:                    |    Blocking:                         
     Related:  #4862             |  
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Comment(by thoughtpolice):

 Updated per review comments (thanks to int-e on freenode as well.)

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6063#comment:15>
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