I haven't looked at the non-GHC haskell packages in ubuntu (I install a bdist GHC, which includes cabal-install, and use that or cabal-dev to install deps) but note that GHC went from7.4.x to 7.6.x between ubuntu 12.10 and 13.03 and so it wouldn't be surprising if this alone caused build failures of some modules. -- Benjamin Jones benjaminfjones@gmail.com On Tue, Apr 30, 2013 at 1:05 AM, Johannes Engels < johannes.engels@hft-stuttgart.de> wrote:
Hello, using the OS-specific Haskell packages of the Ubuntu distribution, I have some cabal packages installed in addition, e.g. hmatrix etc. After an upgrade to Ubuntu 13.04 most of these cabal packages are broken because some dependencies do not exist anymore or have been upgraded also, respectively. With ghc-pkg check I get messages like
There are problems in package hmatrix-0.14.0.1: dependency "array-0.4.0.0-**0b32f6f98c0297dbb0e5cfc0087bd1**f0" doesn't exist dependency "base-4.5.0.0-**c8e7184681d410015e93df85fc49e9**dd" doesn't exist ....
Actually now array-0.4.0.1 is installed etc. What is the recommended way to repair this? Should I do a --reinstall of the cabal packages (which should mostly also work with the upgraded dependencies)? Any hint would be welcome! Best regards Johannes Engels
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