[GHC] #4900: DEPENDS pragma

[GHC]

#4900: DEPENDS pragma
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    Reporter:  cdsmith           |        Owner:              
        Type:  feature request   |       Status:  patch       
    Priority:  normal            |    Milestone:  7.4.1       
   Component:  Build System      |      Version:              
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Comment(by GregWeber):

 Test case we used is here: https://gist.github.com/1341783

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4900#comment:29>
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