[GHC] #618: Dependency caching in ghc --make

[GHC]

#618: Dependency caching in ghc --make
----------------------+-----------------------------------------------------
 Reporter:  simonmar  |          Owner:                  
     Type:  task      |         Status:  new             
 Priority:  normal    |      Milestone:  6.6.1           
Component:  Compiler  |        Version:  None            
 Severity:  normal    |     Resolution:  None            
 Keywords:            |     Difficulty:  Moderate (1 day)
 Testcase:  N/A       |   Architecture:  Unknown         
       Os:  Unknown   |  
----------------------+-----------------------------------------------------
Changes (by igloo):

  * milestone:  => 6.6.1
  * testcase:  => N/A

Old description:

> {{{
> ghc --make should cache dependencies between runs, somehow.
> }}}

New description:

 ghc --make should cache dependencies between runs, somehow.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/618>
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