[GHC] #3470: OSX installer should give an informative error message when XCode is missing

[GHC]

#3470: OSX installer should give an informative error message when XCode is
missing
-------------------------------+--------------------------------------------
    Reporter:  GregoryCollins  |        Owner:             
        Type:  bug             |       Status:  new        
    Priority:  normal          |    Milestone:  6.12 branch
   Component:  Build System    |      Version:  6.10.4     
    Severity:  normal          |   Resolution:             
    Keywords:                  |   Difficulty:  Unknown    
    Testcase:                  |           Os:  MacOS X    
Architecture:  x86             |  
-------------------------------+--------------------------------------------
Changes (by igloo):

  * difficulty:  => Unknown
  * milestone:  => 6.12 branch

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3470#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler