[GHC] #910: --make should have a -j flag for parallel building

[GHC]

#910: --make should have a -j flag for parallel building
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        Reporter:  igloo             |            Owner:
            Type:  feature request   |           Status:  patch
        Priority:  normal            |        Milestone:  _|_
       Component:  Compiler          |          Version:  6.4.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:  N/A               |       Blocked By:  8184
        Blocking:                    |  Related Tickets:
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Comment (by refold):

 Replying to [comment:41 rrnewton]:
 > Have you tested `cabal -j` on this branch?  They *should* compose fine,
 and I'd love to see what kind of speedup one can get installing the
 Haskell Platform packages.

 Right now this may result in more processes being created than desired.
 We're working on solving this issue (though the patches won't be ready for
 1.18).

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/910#comment:42>
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