[Hackage] #538: --constraint= is not respected for base

Hackage cvs-ghc at haskell.org
Fri Jul 23 16:08:55 EDT 2010


#538: --constraint= is not respected for base
---------------------------------+------------------------------------------
  Reporter:  Saizan              |        Owner:         
      Type:  defect              |       Status:  new    
  Priority:  normal              |    Milestone:         
 Component:  cabal-install tool  |      Version:  1.6.0.2
  Severity:  normal              |     Keywords:         
Difficulty:  unknown             |   Ghcversion:         
  Platform:                      |  
---------------------------------+------------------------------------------
Changes (by duncan):

  * component:  Cabal library => cabal-install tool


Comment:

 The problem is in the cabal-install constraint solver. We handle packages
 like base specially (base 3 depends on base 4). We do it by whenever we
 select one we also select the other. However clearly at the end when we
 pick one we're ignoring some constraint.

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/538#comment:1>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects



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