[GHC] #3588: ghc -M should emit dependencies on CPP headers

[GHC]

#3588: ghc -M should emit dependencies on CPP headers
-------------------------------+--------------------------------------------
  Reporter:  simonmar          |          Owner:                  
      Type:  bug               |         Status:  new             
  Priority:  normal            |      Milestone:  6.14 branch     
 Component:  Compiler          |        Version:  6.10.4          
  Severity:  normal            |       Keywords:                  
Difficulty:  Unknown           |       Testcase:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
-------------------------------+--------------------------------------------
 When using CPP, ghc -M should emit dependencies on header files that are
 `#included` into Haskell source code.  It could do this by running `gcc
 -M`, perhaps.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3588>
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