[GHC] #2437: More accurate package dependencies

[GHC]

#2437: More accurate package dependencies
-------------------------------------+-------------------------------------
        Reporter:  simonmar          |                   Owner:  niteria
            Type:  task              |                  Status:  patch
        Priority:  lowest            |               Milestone:  7.12.1
       Component:  Package system    |                 Version:  6.8.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #3560, #8174      |                Blocking:
                                     |  Differential Revisions:  Phab:D973
-------------------------------------+-------------------------------------
Changes (by thoughtpolice):

 * differential:  D973 => Phab:D973


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2437#comment:25>
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