[GHC] #2257: validate hangs in configure

[GHC]

#2257: validate hangs in configure
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 Reporter:  nr            |          Owner:         
     Type:  bug           |         Status:  new    
 Priority:  highest       |      Milestone:  6.8.3  
Component:  Build System  |        Version:  6.8.2  
 Severity:  major         |     Resolution:         
 Keywords:                |     Difficulty:  Unknown
 Testcase:                |   Architecture:  x86    
       Os:  Linux         |  
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Comment (by nr):

 I've found a workaround; I insert a call to exit(4) just before the second
 call to timer_settime in aclocal.m4.  The compiler builds and validates,
 but this is obviously a poor workaround.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2257#comment:6>
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