[haskell-platform] #218: Makefile can't be run with -j4

[haskell-platform]

#218: Makefile can't be run with -j4
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 Reporter:  MtnViewMark             |        Owner:  duncan
     Type:  defect                  |       Status:  new   
 Priority:  major                   |    Milestone:        
Component:  Generic source tarball  |   Resolution:        
 Keywords:                          |  
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Comment(by liyang):

 cabal info cabal-sort

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Ticket URL: <http://trac.haskell.org/haskell-platform/ticket/218#comment:1>
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