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Help with installation package tracking errors

I ran into the same error for two unrelated packages now, missingpy and monadiccp.

> cabal install -p -v monadiccp

(after some exit)

 Creating dist/build (and its parents) /usr/local/haskell/bin/ghc --make -package-name monadiccp-0.7.0 -hide-all-packages -fbuilding-cabal-package -i -idist/build -i. -idist/build/autogen -Idist/build/autogen -Idist/build -Ilib -optP-include -optPdist/build/autogen/cabal_macros.h -odir dist/build -hidir dist/build -stubdir dist/build -package-id Monatron-0.3.1-360ddfdcf06bcd34f1ed9c1f1c375202 -package-id base-4.3.1.0-1554f26e1cc1c87f47464e927dddbd20 -package-id containers-0.4.0.0-8781485edb2ac0db733a9f9c72e27945 -package-id haskell98-1.1.0.1-0a04bcdb24934b6be516a3abfc033021 -package-id mtl-2.0.1.0-91f62d81c946aa60137dcc008e554a3a -package-id pretty-1.0.1.2-6970e62db724fea03caad23f58dd8f86 -package-id random-1.0.0.3-9024b40453c28359a37c49ce4e776f6e -O -XHaskell98 Data.Expr.Sugar Control.CP.SearchTree Control.CP.Transformers Control.CP.ComposableTransformers Control.CP.Solver Control.CP.PriorityQueue Control.CP.Queue Control.CP.FD.Interface Control.CP.FD.OvertonFD.OvertonFD Control.CP.FD.OvertonFD.Sugar Control.CP.EnumTerm Control.CP.FD.Solvers Control.CP.FD.Gecode.CodegenSolver Control.CP.FD.Model Control.CP.FD.Example Data.Expr.Data Data.Expr.Util Data.Linear Control.CP.FD.Gecode.Common Control.CP.FD.OvertonFD.Domain Control.CP.FD.SimpleFD Control.CP.FD.Graph Control.CP.FD.Decompose Control.CP.FD.FD Control.CP.Debug Control.Mixin.Mixin Control.CP.SearchSpec.Language Control.CP.SearchSpec.Generator Language.CPP.Syntax.AST Language.CPP.Pretty <command line>: cannot satisfy -package-id random-1.0.0.3-9024b40453c28359a37c49ce4e776f6e: random-1.0.0.3-9024b40453c28359a37c49ce4e776f6e is shadowed by package random-1.0.0.3-15ae8b1458485ee9647f74174e442c33 (use -v for more information) World file is already up to date.

For missingpy ghc will work if -package-id random... changed to the correct version, but I don't know how to install it after that.

Any workarounds would be greatly appreciated. I deleted all ~/.cabal and ~/.ghc , but no luck.

Additional Information

  • ghc info here, [ http://pastebin.com/jk40VPgw ]. This is my SuSE machine, where I built ghc 7.0.4 from the source using ghc 6.12, as well as the latest Haskell platform. (which was done for ghc 7.0.3, but I think that everything is in order).
  • also tried this on another machine [ http://pastebin.com/Digntv4K ]. that one Haskell platform was installed through system packages, I think.
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1 answer

Have you tried cabal-dev ? It is probably best if you start with a clean system, install only the Haskell platform, and then use cabal-dev for the sandbox for each codebase you use.

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