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nixpkgs/pkgs/development/compilers/ghcjs-ng
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John Ericson e6a476c862 ghc, ghcjs: Get rid of extraneous alex, happy, and hscolour args 
The compilers themselves can pull them from `bootPkgs`, where they
should always come from anyways. This enforces that, simplifies that
code, and allows use to avoid more `rec { ... }` too.
2018-09-24 20:00:39 -04:00
..
8.2 Dont haddock ghcjs in either version 2018-05-16 03:11:32 -04:00
8.4 Bump GHCJS 8.4 2018-05-17 05:35:07 -04:00
common-overrides.nix Dont haddock ghcjs in either version 2018-05-16 03:11:32 -04:00
configured-ghcjs-src.nix pkgs/*: remove unreferenced function arguments 2018-07-21 02:48:04 +00:00
default.nix ghc, ghcjs: Get rid of extraneous alex, happy, and hscolour args 2018-09-24 20:00:39 -04:00
ghcjs-base.nix Added ghcjs-base to GHCJS 8.4 / 8.2 2018-07-15 23:47:47 -04:00
mk-stage0.nix
README.md Update readme with --compiler option for GHCJS 2018-07-16 01:14:55 -04:00

README.md

New build system for GHCJS 8.2

ghcjs-8.2 reworked the build system, and now comes with its own small package set of dependencies. This involves autogenerating several sources and cabal files, based on a GHC checkout. callCabal2nix is off limits, since we don't like "import from derivation" in nixpkgs. So there is a derivation that builds the nix expression that should be checked in whenever GHCJS is updated.

Updating

$ nix-prefetch-git https://github.com/ghcjs/ghcjs --rev refs/heads/ghc-8.4 \
  | jq '{ url, rev, fetchSubmodules, sha256 }' \
  > 8.4/git.json
$ cat $(nix-build ../../../.. -A haskell.compiler.ghcjs82.genStage0 --no-out-link) > 8.4/stage0.nix
$ cabal2nix --compiler ghcjs git://github.com/ghcjs/ghcjs-base > ghcjs-base.nix