[GHC] #10584: Installation of SFML failed

[GHC]

#10584: Installation of SFML failed
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        Reporter:  SoleSoul          |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by SoleSoul):

 Cabal doesn't seem to look at this flag (and if it does, 10000 wasn't
 enough). I want to pass this flag to ghc but I don't know where cabal
 keeps the sources of the packages it downloads. Does it delete them on a
 failed build?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10584#comment:2>
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