[GHC] #3042: rts defines "real_main" which can clash with user C code

[GHC]

#3042: rts defines "real_main" which can clash with user C code
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    Reporter:  duncan            |        Owner:                  
        Type:  bug               |       Status:  new             
    Priority:  normal            |    Milestone:                  
   Component:  Runtime System    |      Version:  6.10.1          
    Severity:  normal            |   Resolution:                  
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by simonmar):

  * difficulty:  => Unknown

Comment:

 `real_main` is declared to be `static` - I don't understand how it could
 clash?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3042#comment:2>
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