[Hackage] #438: Cabal should warn or fail if user specifies a bad configuration flag

[Hackage]

#438: Cabal should warn or fail if user specifies a bad configuration flag
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  Reporter:  guest            |        Owner:        
      Type:  defect           |       Status:  new   
  Priority:  low              |    Milestone:        
 Component:  Cabal library    |      Version:  HEAD  
  Severity:  normal           |     Keywords:        
Difficulty:  easy (<4 hours)  |   Ghcversion:  6.10.1
  Platform:                   |  
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Comment(by elga):

 * [http://www.releve-identite-operateur.fr/rio-simyo.html simyo]

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/438#comment:4>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects