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haskell.nix/changelog.md
Edward Amsden a1432c1f49 Change LLVM versions for ghc-8.6 to LLVM 6 (#385) 
The LLVM versions specified for the ghc-8.6 series compilers in overlays/bootstrap.nix was LLVM 5, but these compilers state on the download page that they require LLVM 6. This resulted in a warning about a wrong LLVM version for every module compiled with the LLVM backend (e,g, when cross-compiling.) This PR updates the LLVM versions for these compilers to LLVM 6.

Note: ghc-8.8.1 (and presumably future ghcs in the 8.8 series) requires LLVM 7. However it appears haskell.nix does not yet support ghc-8.8.1.
2020-01-07 19:12:32 +13:00

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This file contains a summary of changes to Haskell.nix and nix-tools that will impact users.

December 27, 2019

  • Fix overlays/bootstrap.nix to provide LLVM 6, not LLVM 5, to ghc-8.6.X compilers.

November 18, 2019

  • Changed the cleanSourceHaskell to accept an attrset of src and (optional) name parameters. This allows you to keep the source derivation name constant, so that your builds are always cached. Usage of cleanSourceHaskell will need to be updated.

October 12, 2019

  • shellFor no longer sets CABAL_CONFIG by default. This avoids surprising users, but means that Cabal may select a plan which is different to your Haskell.nix package set. If you would like the old behaviour, use shellFor { exactDeps = true; }.

August 9, 2019

June 21, 2019

  • Add ghcWithPackages and ghcWithHoogle to hsPkgs (documentation.
  • Benchmark components can now build successfully.
  • Reduced the closure bloat of nix-tools, and added closure size limit to CI.
  • Added more reference documentation and set up auto-generated documentation for Module Options.
  • Miscellaneous bug fixes.

June 7, 2019

  • Several additions to the documentation.
    • More information about getting nix-tools, Haskell.nix, pinning.
    • Updates the stack-to-nix and cabal-to-nix guides.
    • Adds a section on development environments.
    • Adds a little information about cross compilation.
    • Adds a (partially complete) reference section (command line manuals, library reference).
    • Symlinks the changelog into the documentation pages.

May 29, 2019

  • Added shellFor function to package set.

May 28, 2019

  • Added snaphots and haskellPackages attributes to the Haskell.nix top-level.

May 22, 2019

  • Add the cleanSourceHaskell utility function to the Haskell.nix top-level.

May 21, 2019

  • Add the callCabalProjectToNix function, which uses "import from derivation" (IFD) so that nix-tools doesn't need to be run manually.
  • The hackage.nix update process has changed, so that Cabal index state hashes are also included in the generated repo.

May 20, 2019

  • Remove Travis CI in favour of Buildkite.

May 17, 2019

  • Add the callStackToNix function, which uses "import from derivation" (IFD) so that stack-to-nix doesn't need to be run manually.

Mar 15, 2019

  • overlays was renamed to extras in #79 to prevent confusion between the notion of Nix overlays.

    Therefore plan-pkgs and stack-pkgs as generated by plan-to-nix and stack-to-nix will expose extras instead of overlay. Similarly mkStackPkgSet, mkPkgSet and mkCabalProjectPkgSet take a pkg-def-extras instead of pkg-def-overlay argument. If you are using iohk-nix, the iohk-overlay was parameter was renamed to iohk-extras.