[GHC] #7699: iOS patch no 2: remove obsolete CROSS_COMPILE variable

[GHC]

#7699: iOS patch no 2: remove obsolete CROSS_COMPILE variable
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Reporter:  StephenBlackheath  |          Owner:                  
    Type:  bug                |         Status:  new             
Priority:  normal             |      Component:  Compiler        
 Version:  7.7                |       Keywords:                  
      Os:  Unknown/Multiple   |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown       |      Blockedby:                  
Blocking:                     |        Related:                  
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 This is the second iOS cross compile patch, though it isn't iOS-specific.

 The CROSS_COMPILE variable was used to turn on behaviour in certain
 modules, but is now obsolete. So let's remove it.

 With this patch applied, CROSS_COMPILE appears nowhere in the build tree.
 I also tested it by building an ARM-linux cross compiler.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7699>
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