231 lines
10 KiB
Nix
231 lines
10 KiB
Nix
# TODO(@Ericson2314): Remove `pkgs` param, which is only used for
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# `buildStackProject`, `justStaticExecutables` and `checkUnusedPackages`
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{ pkgs, lib }:
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rec {
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makePackageSet = import ./make-package-set.nix;
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overrideCabal = drv: f: (drv.override (args: args // {
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mkDerivation = drv: (args.mkDerivation drv).override f;
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})) // {
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overrideScope = scope: overrideCabal (drv.overrideScope scope) f;
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};
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doCoverage = drv: overrideCabal drv (drv: { doCoverage = true; });
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dontCoverage = drv: overrideCabal drv (drv: { doCoverage = false; });
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doHaddock = drv: overrideCabal drv (drv: { doHaddock = true; });
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dontHaddock = drv: overrideCabal drv (drv: { doHaddock = false; });
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doJailbreak = drv: overrideCabal drv (drv: { jailbreak = true; });
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dontJailbreak = drv: overrideCabal drv (drv: { jailbreak = false; });
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doCheck = drv: overrideCabal drv (drv: { doCheck = true; });
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dontCheck = drv: overrideCabal drv (drv: { doCheck = false; });
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doBenchmark = drv: overrideCabal drv (drv: { doBenchmark = true; });
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dontBenchmark = drv: overrideCabal drv (drv: { doBenchmark = false; });
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doDistribute = drv: overrideCabal drv (drv: { hydraPlatforms = drv.platforms or ["i686-linux" "x86_64-linux" "x86_64-darwin"]; });
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dontDistribute = drv: overrideCabal drv (drv: { hydraPlatforms = []; });
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appendConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = (drv.configureFlags or []) ++ [x]; });
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removeConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = lib.remove x (drv.configureFlags or []); });
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addBuildTool = drv: x: addBuildTools drv [x];
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addBuildTools = drv: xs: overrideCabal drv (drv: { buildTools = (drv.buildTools or []) ++ xs; });
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addExtraLibrary = drv: x: addExtraLibraries drv [x];
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addExtraLibraries = drv: xs: overrideCabal drv (drv: { extraLibraries = (drv.extraLibraries or []) ++ xs; });
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addBuildDepend = drv: x: addBuildDepends drv [x];
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addBuildDepends = drv: xs: overrideCabal drv (drv: { buildDepends = (drv.buildDepends or []) ++ xs; });
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addPkgconfigDepend = drv: x: addPkgconfigDepends drv [x];
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addPkgconfigDepends = drv: xs: overrideCabal drv (drv: { pkgconfigDepends = (drv.pkgconfigDepends or []) ++ xs; });
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addSetupDepend = drv: x: addSetupDepends drv [x];
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addSetupDepends = drv: xs: overrideCabal drv (drv: { setupHaskellDepends = (drv.setupHaskellDepends or []) ++ xs; });
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enableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f-${x}") "-f${x}";
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disableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f${x}") "-f-${x}";
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markBroken = drv: overrideCabal drv (drv: { broken = true; });
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markBrokenVersion = version: drv: assert drv.version == version; markBroken drv;
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enableLibraryProfiling = drv: overrideCabal drv (drv: { enableLibraryProfiling = true; });
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disableLibraryProfiling = drv: overrideCabal drv (drv: { enableLibraryProfiling = false; });
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enableSharedExecutables = drv: overrideCabal drv (drv: { enableSharedExecutables = true; });
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disableSharedExecutables = drv: overrideCabal drv (drv: { enableSharedExecutables = false; });
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enableSharedLibraries = drv: overrideCabal drv (drv: { enableSharedLibraries = true; });
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disableSharedLibraries = drv: overrideCabal drv (drv: { enableSharedLibraries = false; });
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enableDeadCodeElimination = drv: overrideCabal drv (drv: { enableDeadCodeElimination = true; });
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disableDeadCodeElimination = drv: overrideCabal drv (drv: { enableDeadCodeElimination = false; });
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enableStaticLibraries = drv: overrideCabal drv (drv: { enableStaticLibraries = true; });
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disableStaticLibraries = drv: overrideCabal drv (drv: { enableStaticLibraries = false; });
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appendPatch = drv: x: appendPatches drv [x];
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appendPatches = drv: xs: overrideCabal drv (drv: { patches = (drv.patches or []) ++ xs; });
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doHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = true; });
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dontHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = false; });
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disableHardening = drv: flags: overrideCabal drv (drv: { hardeningDisable = flags; });
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# Controls if Nix should strip the binary files (removes debug symbols)
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doStrip = drv: overrideCabal drv (drv: { dontStrip = false; });
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dontStrip = drv: overrideCabal drv (drv: { dontStrip = true; });
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# Useful for debugging segfaults with gdb.
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# -g: enables debugging symbols
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# --disable-*-stripping: tell GHC not to strip resulting binaries
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# dontStrip: see above
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enableDWARFDebugging = drv:
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appendConfigureFlag (dontStrip drv) "--ghc-options=-g --disable-executable-stripping --disable-library-stripping";
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sdistTarball = pkg: lib.overrideDerivation pkg (drv: {
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name = "${drv.pname}-source-${drv.version}";
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# Since we disable the haddock phase, we also need to override the
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# outputs since the separate doc output will not be produced.
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outputs = ["out"];
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buildPhase = "./Setup sdist";
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haddockPhase = ":";
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checkPhase = ":";
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installPhase = "install -D dist/${drv.pname}-*.tar.gz $out/${drv.pname}-${drv.version}.tar.gz";
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fixupPhase = ":";
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});
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linkWithGold = drv : appendConfigureFlag drv
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"--ghc-option=-optl-fuse-ld=gold --ld-option=-fuse-ld=gold --with-ld=ld.gold";
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# link executables statically against haskell libs to reduce closure size
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justStaticExecutables = drv: overrideCabal drv (drv: {
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enableSharedExecutables = false;
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isLibrary = false;
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doHaddock = false;
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postFixup = "rm -rf $out/lib $out/nix-support $out/share/doc";
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} // lib.optionalAttrs (pkgs.hostPlatform.isDarwin) {
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configureFlags = (drv.configureFlags or []) ++ ["--ghc-option=-optl=-dead_strip"];
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});
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buildFromSdist = pkg: lib.overrideDerivation pkg (drv: {
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unpackPhase = let src = sdistTarball pkg; tarname = "${pkg.pname}-${pkg.version}"; in ''
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echo "Source tarball is at ${src}/${tarname}.tar.gz"
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tar xf ${src}/${tarname}.tar.gz
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cd ${pkg.pname}-*
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'';
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});
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buildStrictly = pkg: buildFromSdist (failOnAllWarnings pkg);
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failOnAllWarnings = drv: appendConfigureFlag drv "--ghc-option=-Wall --ghc-option=-Werror";
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checkUnusedPackages =
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{ ignoreEmptyImports ? false
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, ignoreMainModule ? false
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, ignorePackages ? []
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} : drv :
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overrideCabal (appendConfigureFlag drv "--ghc-option=-ddump-minimal-imports") (_drv: {
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postBuild = with lib;
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let args = concatStringsSep " " (
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optional ignoreEmptyImports "--ignore-empty-imports" ++
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optional ignoreMainModule "--ignore-main-module" ++
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map (pkg: "--ignore-package ${pkg}") ignorePackages
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);
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in "${pkgs.haskellPackages.packunused}/bin/packunused" +
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optionalString (args != "") " ${args}";
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});
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buildStackProject = pkgs.callPackage ./generic-stack-builder.nix { };
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triggerRebuild = drv: i: overrideCabal drv (drv: { postUnpack = ": trigger rebuild ${toString i}"; });
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overrideSrc = drv: { src, version ? drv.version }:
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overrideCabal drv (_: { inherit src version; editedCabalFile = null; });
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# Extract the haskell build inputs of a haskell package.
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# This is useful to build environments for developing on that
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# package.
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getHaskellBuildInputs = p:
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(p.override { mkDerivation = extractBuildInputs p.compiler;
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}).haskellBuildInputs;
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ghcInfo = ghc:
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rec { isCross = (ghc.cross or null) != null;
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isGhcjs = ghc.isGhcjs or false;
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nativeGhc = if isCross || isGhcjs
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then ghc.bootPkgs.ghc
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else ghc;
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};
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### mkDerivation helpers
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# These allow external users of a haskell package to extract
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# information about how it is built in the same way that the
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# generic haskell builder does, by reusing the same functions.
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# Each function here has the same interface as mkDerivation and thus
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# can be called for a given package simply by overriding the
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# mkDerivation argument it used. See getHaskellBuildInputs above for
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# an example of this.
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# Some information about which phases should be run.
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controlPhases = ghc: let inherit (ghcInfo ghc) isCross; in
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{ doCheck ? !isCross && (lib.versionOlder "7.4" ghc.version)
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, doBenchmark ? false
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, ...
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}: { inherit doCheck doBenchmark; };
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# Divide the build inputs of the package into useful sets.
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extractBuildInputs = ghc:
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{ setupHaskellDepends ? [], extraLibraries ? []
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, librarySystemDepends ? [], executableSystemDepends ? []
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, pkgconfigDepends ? [], libraryPkgconfigDepends ? []
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, executablePkgconfigDepends ? [], testPkgconfigDepends ? []
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, benchmarkPkgconfigDepends ? [], testDepends ? []
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, testHaskellDepends ? [], testSystemDepends ? []
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, testToolDepends ? [], benchmarkDepends ? []
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, benchmarkHaskellDepends ? [], benchmarkSystemDepends ? []
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, benchmarkToolDepends ? [], buildDepends ? []
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, libraryHaskellDepends ? [], executableHaskellDepends ? []
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, ...
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}@args:
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let inherit (ghcInfo ghc) isGhcjs nativeGhc;
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inherit (controlPhases ghc args) doCheck doBenchmark;
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isHaskellPkg = x: x ? isHaskellLibrary;
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allPkgconfigDepends =
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pkgconfigDepends ++ libraryPkgconfigDepends ++
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executablePkgconfigDepends ++
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lib.optionals doCheck testPkgconfigDepends ++
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lib.optionals doBenchmark benchmarkPkgconfigDepends;
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otherBuildInputs =
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setupHaskellDepends ++ extraLibraries ++
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librarySystemDepends ++ executableSystemDepends ++
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allPkgconfigDepends ++
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lib.optionals doCheck ( testDepends ++ testHaskellDepends ++
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testSystemDepends ++ testToolDepends
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) ++
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# ghcjs's hsc2hs calls out to the native hsc2hs
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lib.optional isGhcjs nativeGhc ++
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lib.optionals doBenchmark ( benchmarkDepends ++
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benchmarkHaskellDepends ++
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benchmarkSystemDepends ++
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benchmarkToolDepends
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);
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propagatedBuildInputs =
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buildDepends ++ libraryHaskellDepends ++
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executableHaskellDepends;
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allBuildInputs = propagatedBuildInputs ++ otherBuildInputs;
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isHaskellPartition =
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lib.partition isHaskellPkg allBuildInputs;
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in
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{ haskellBuildInputs = isHaskellPartition.right;
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systemBuildInputs = isHaskellPartition.wrong;
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inherit propagatedBuildInputs otherBuildInputs
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allPkgconfigDepends;
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};
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}
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