[GHC] #5150: GHC should support -x objective-cpp, as well

[GHC]

#5150: GHC should support -x objective-cpp, as well
---------------------------------+------------------------------------------
    Reporter:  scpmw             |       Owner:              
        Type:  feature request   |      Status:  new         
    Priority:  normal            |   Component:  Driver      
     Version:  7.0.3             |    Keywords:              
    Testcase:  objcpp-hi         |   Blockedby:              
          Os:  MacOS X           |    Blocking:              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
---------------------------------+------------------------------------------
 This is a follow-up to #5025: Adding objective-c is just part of the
 story, as objective-c++ files (with suffix ".mm" or ".M") are also pretty
 common. [http://hackage.haskell.org/trac/ghc/ticket/5025#comment:7
 Thoughtpolice] even mentioned this in the comments.

 As with #5025, this would make compiling for Mac a lot easier without any
 real complications for GHC, as it only has to pass the file through to GCC
 with the appropriate flag.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5150>
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