[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         |   Resolution:        
  Keywords:                 |   Difficulty:  normal
Ghcversion:  6.10.1         |     Platform:        
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Comment (by duncan):

 Yes.

 More generally we should do this for cabal-install, though that means
 working out exactly which packages the -f flags apply to. Do all the -f
 flags apply to all packages (at least to those which have the flags)? or
 just the ones on the command line?

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/438#comment:1>
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Hackage: Cabal and related projects