[GHC] #8683: add "cpp program" and "cpp program options" to settings file

[GHC]

#8683: add "cpp program" and "cpp program options" to settings file
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        Reporter:  carter            |            Owner:  carter
            Type:  feature request   |           Status:  patch
        Priority:  highest           |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.8.1-rc2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #8439
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Changes (by carter):

 * owner:   => carter


Comment:

 i just rebased my cpp-settings branch ontop of today ghc-7.8  tip,
 validate seems to be succeeding. Will paste test results shortly
 nb: im expect the objc tests to fail because my gcc is gcc-4.8

 https://github.com/cartazio/ghc/compare/ghc:ghc-7.8...rb_cpp_settings

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8683#comment:48>
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