Hi Nikita, > How does 'nix-env -i' determine which version of a package it should install?
if there are two packages that have the same name, then nix-env will prefer the one that has the higher version number. If several packages have the same name and version number, then the one with the higher priority will be preferred. If several packages have the same name, version number, and priority, then nix-env chooses the one saw first, i.e. it installs one of the available choices at random. > nix-env -f /home/nixpkgs-github/default.nix \ > -p ~/ghc-6.10.4 -iA pkgs.haskellPackages_ghc6104.binary Line 139 in pkgs/top-level/haskell-defaults.nix overrides the 'binary' attribute for that compiler, because it is too old to build more recent versions of the binary library. > Can I safely assume that the following versions are the latest that > should work with GHC 6.10.4? [...] I don't know. I haven't used GHC 6.10.4 in a long time. It's quite possible that most packages in Nixpkgs cannot be built with that compiler. We verify that the version of Haskell Platform this compiler belongs to works fine, but that's pretty much it. Take care, Peter _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev
