[GHC] #7761: iOS patch no 16: pass the correct -Dxxx_HOST_ARCH and -Dxxx_HOST_OS to hsc2hs by stage

[GHC]

#7761: iOS patch no 16: pass the correct -Dxxx_HOST_ARCH and -Dxxx_HOST_OS to
hsc2hs by stage
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    Reporter:  StephenBlackheath  |       Owner:                  
        Type:  feature request    |      Status:  patch           
    Priority:  normal             |   Milestone:  7.8.1           
   Component:  Compiler           |     Version:  7.7             
    Keywords:                     |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple   |     Failure:  None/Unknown    
  Difficulty:  Unknown            |    Testcase:                  
   Blockedby:                     |    Blocking:  7724            
     Related:                     |  
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Changes (by igloo):

  * difficulty:  => Unknown
  * milestone:  => 7.8.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7761#comment:2>
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