[GHC] #9635: "Module imports form a cycle" on OS X

[GHC]

#9635: "Module imports form a cycle" on OS X
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       Reporter:  dalaing            |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:
      Component:  Compiler           |                 Version:  7.9
       Keywords:                     |        Operating System:  MacOS X
   Architecture:  Unknown/Multiple   |         Type of failure:  Building
     Difficulty:  Easy (less than 1  |  GHC failed
  hour)                              |               Test Case:
     Blocked By:                     |                Blocking:
Related Tickets:                     |  Differential Revisions:
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 I ran into this while building GHC HEAD on OS X:

 {{{
 Module imports form a cycle:
 module ‘Control.Applicative’ (libraries/base/Control/Applicative.hs)
 imports ‘Control.Arrow’ (libraries/base/Control/Arrow.hs)
 which imports ‘Control.Monad.Fix’ (libraries/base/Control/Monad/Fix.hs)
 which imports ‘System.IO’ (libraries/base/System/IO.hs)
 which imports ‘GHC.IO.FD’ (libraries/base/GHC/IO/FD.hs)
 which imports ‘GHC.Conc.IO’ (libraries/base/GHC/Conc/IO.hs)
 which imports ‘GHC.Event.Thread’ (libraries/base/GHC/Event/Thread.hs)
 which imports ‘GHC.Event.Manager’ (libraries/base/GHC/Event/Manager.hs)
 which imports ‘GHC.Event.KQueue’ (libraries/base/dist-
 install/build/GHC/Event/KQueue.hs)
 which imports ‘Control.Monad’ (libraries/base/Control/Monad.hs)
 which imports ‘Data.Traversable’ (libraries/base/Data/Traversable.hs)
 which imports ‘Control.Applicative’
 (libraries/base/Control/Applicative.hs)
 make[1]: *** [libraries/base/dist-install/build/.depend-v-dyn.haskell]
 Error 1
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9635>
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