resolving dependencies...
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-platform"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-glut"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-http"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-hunit"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-opengl"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-quickcheck"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-cgi"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-deepseq"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-fgl"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-haskell-src"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-html"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-mtl"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-network"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-parallel"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-parsec"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-regex-base"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-regex-posix"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-regex-compat"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-stm"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-syb"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-text"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-transformers"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-xhtml"
warning: cannot resolve "ghc=7.0.3-2", a dependency of "haskell-zlib"
:: The following package cannot be upgraded due to unresolvable dependencies:
      haskell-platform

looking for inter-conflicts...
 there is nothing to do