[GHC] #9832: Get rid of PERL dependency of `ghc-split`

[GHC]

#9832: Get rid of PERL dependency of `ghc-split`
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              Reporter:  hvr         |            Owner:  rwbarton
                  Type:  task        |           Status:  new
              Priority:  high        |        Milestone:  7.12.1
             Component:  Driver      |          Version:
            Resolution:              |         Keywords:  perl
      Operating System:  Windows     |     Architecture:  Unknown/Multiple
       Type of failure:              |       Difficulty:  Difficult (2-5
  None/Unknown                       |  days)
             Test Case:              |       Blocked By:
              Blocking:              |  Related Tickets:
Differential Revisions:              |
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Comment (by ezyang):

 By the way, if you do (2), be *very* careful about memory usage. GHC
 outputs C-- in a streaming fashion, so if you accidentally accumulate
 everything in memory as you are splitting objects you will spike memory
 usage. In principle it should be possible to make sure it streams
 properly, but putting the splitter in a separate process certainly makes
 this job easier.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9832#comment:4>
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