[GHC] #7639: Fix installation issues with cross compiling + honour Stage1Only properly

[GHC]

#7639: Fix installation issues with cross compiling + honour Stage1Only properly
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  Reporter:  StephenBlackheath      |          Owner:                  
      Type:  bug                    |         Status:  closed          
  Priority:  normal                 |      Milestone:  7.8.1           
 Component:  Build System           |        Version:  7.7             
Resolution:  fixed                  |       Keywords:                  
        Os:  Unknown/Multiple       |   Architecture:  Unknown/Multiple
   Failure:  Installing GHC failed  |     Difficulty:  Unknown         
  Testcase:                         |      Blockedby:                  
  Blocking:  7610                   |        Related:                  
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Changes (by simonmar):

  * status:  patch => closed
  * resolution:  => fixed
  * component:  Compiler => Build System
  * milestone:  => 7.8.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7639#comment:7>
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