+1 on all counts from me.
On Mon, May 05, 2014 at 11:23:40PM +0200, Peter Simons wrote: > Hi guys, > > I would like to get some feedback on how you feel about moving to GHC 7.8.2 > as the default compiler of choice? > > What are the most significant road blocks right now in your opinion? > > Personally, I'll use the occasion to remove most of the Haskell Platform > related magic that's currently performed in haskell-defaults.nix, i.e. I > would like to abandon the notion that certain compilers prefer older > versions of HP packages because these versions were "mandated" at the time > the compiler was released. Instead, I'd use the latest version possible of > every package for every compiler. > > Here are some ideas in no particular order: > > 1) We provide haskellPlatform_X_Y_Z attributes in all-packages.nix that > install a particular version of HP -- including the corresponding GHC > --, but the library choices in those packages have no effect on any of > the haskellPackages_ghcXYZ.foobar packages. > > 2) The haskellPackages_ghcXYZ.haskellPlatform attribute becomes a > collection of packages that corresponds roughly to the set of packages > that the official HP offers, and you can expect those packages to build > and interact nicely with each other, but the versions won't necessarily > conform to any HP standard. For example, that 'haskellPlatform' > attribute will always contain the *latest version* of Cabal and > cabal-install, regardless of what the HP standard says. That attribute > can be thought of as "recommended popular packages in stable versions", > but it doesn't try to conform to any particular version of the HP. The > packages from (1) do that. Maybe we shouldn't even call it > 'haskellPlatform'? > > 3) I would like to drop a whole lot of obsolete GHC versions. As a rule of > thumb, I think we should keep the latest version of every major release, > i.e. 6.10.4, 6.12.3, 7.0.4, 7.2.2, 7.4.2, 7.6.2, and 7.8.2 -- but none > of the intermediate versions. It's intellectually satisfying to have > support for GHC 6.12.2 still around, but honestly ... who needs it? > > Share your thoughts, please! > > Best regards, > Peter > > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > http://lists.science.uu.nl/mailman/listinfo/nix-dev _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev