[GHC] #9351: add ability to version symbols .c for packages with C code

[GHC]

#9351: add ability to version symbols .c for packages with C code
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              Reporter:  slyfox      |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  normal      |          Version:  7.8.3
             Component:  Compiler    |         Keywords:  backpack
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by slyfox):

 Yeah, it's just an idea of symbol mangling control.

 Maybe macro introduction better be done on cabal's side?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9351#comment:2>
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