> > How to rebuild everything from source? Got to the definition of that ghc
> version, then add a dummy env var such as > > FORCE_REBUILD=1; > > and retry. That FORCE_REBUILD should cause nix rebuilding everything > from source. Report if this solved the issue. If it does we should > document it on the wiki till somebody has time to find a real fix for > it. > > Do I understand correctly, change haskell-default.nix and reinstall it with [~/nixpkgs]$ nix-env -f . -iA haskellPackages ? I am failing to do this with another, not related problem: ... installing `haskell-zlib-ghc7.4.1-0.5.2.0' installing `haskell-zlib-ghc7.4.1-0.5.3.1' error: user-thrown exception: cudatoolkit does not support platform i686-linux (use `--show-trace' to show detailed location information) So I cannot finish haskellPackages install.
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