{ stdenv , callPackage , fetchgit , ghcjsSrcJson ? null , ghcjsSrc ? fetchgit (builtins.fromJSON (builtins.readFile ghcjsSrcJson)) , bootPkgs , alex , happy , stage0 , haskellLib , cabal-install , nodejs , makeWrapper , xorg , gmp , lib , ghcjsDepOverrides ? (_:_:{}) }: let passthru = { configuredSrc = callPackage ./configured-ghcjs-src.nix { inherit ghcjsSrc alex happy; inherit (bootPkgs) ghc; }; genStage0 = callPackage ./mk-stage0.nix { inherit (passthru) configuredSrc; }; bootPkgs = bootPkgs.extend (lib.foldr lib.composeExtensions (_:_:{}) [ (self: _: import stage0 { inherit (passthru) configuredSrc; inherit (self) callPackage; }) (callPackage ./common-overrides.nix { inherit haskellLib alex happy; }) ghcjsDepOverrides ]); targetPrefix = ""; inherit (bootGhcjs) version; isGhcjs = true; # Relics of the old GHCJS build system stage1Packages = []; mkStage2 = _: {}; }; bootGhcjs = haskellLib.justStaticExecutables passthru.bootPkgs.ghcjs; libexec = if builtins.compareVersions bootGhcjs.version "8.3" <= 0 then "${bootGhcjs}/bin" else "${bootGhcjs}/libexec/${stdenv.system}-${passthru.bootPkgs.ghc.name}/${bootGhcjs.name}"; in stdenv.mkDerivation { name = "ghcjs"; src = passthru.configuredSrc; nativeBuildInputs = [ bootGhcjs passthru.bootPkgs.ghc cabal-install nodejs makeWrapper xorg.lndir gmp ]; phases = ["unpackPhase" "buildPhase"]; buildPhase = '' export HOME=$TMP cd lib/boot mkdir -p $out/bin mkdir -p $out/libexec lndir ${libexec} $out/bin wrapProgram $out/bin/ghcjs --add-flags "-B$out/libexec -dcore-lint" wrapProgram $out/bin/haddock-ghcjs --add-flags "-B$out/libexec" wrapProgram $out/bin/ghcjs-pkg --add-flags "--global-package-db=$out/libexec/package.conf.d" env PATH=$out/bin:$PATH $out/bin/ghcjs-boot -j $NIX_BUILD_CORES --with-ghcjs-bin $out/bin ''; enableParallelBuilding = true; inherit passthru; meta.platforms = passthru.bootPkgs.ghc.meta.platforms; }