nixpkgs/pkgs/development/haskell-modules/lib.nix
Nicholas Clarke a1d78fa5bc Don't build separate bin output for alex.
It has files in /usr/share which reference the bin output.
2017-09-04 12:35:57 +01:00

150 lines
6.9 KiB
Nix

# TODO(@Ericson2314): Remove `pkgs` param, which is only used for
# `buildStackProject`, `justStaticExecutables` and `checkUnusedPackages`
{ pkgs, lib }:
rec {
makePackageSet = import ./make-package-set.nix;
overrideCabal = drv: f: (drv.override (args: args // {
mkDerivation = drv: (args.mkDerivation drv).override f;
})) // {
overrideScope = scope: overrideCabal (drv.overrideScope scope) f;
};
doCoverage = drv: overrideCabal drv (drv: { doCoverage = true; });
dontCoverage = drv: overrideCabal drv (drv: { doCoverage = false; });
doHaddock = drv: overrideCabal drv (drv: { doHaddock = true; });
dontHaddock = drv: overrideCabal drv (drv: { doHaddock = false; });
doJailbreak = drv: overrideCabal drv (drv: { jailbreak = true; });
dontJailbreak = drv: overrideCabal drv (drv: { jailbreak = false; });
doCheck = drv: overrideCabal drv (drv: { doCheck = true; });
dontCheck = drv: overrideCabal drv (drv: { doCheck = false; });
doDistribute = drv: overrideCabal drv (drv: { hydraPlatforms = drv.platforms or ["i686-linux" "x86_64-linux" "x86_64-darwin"]; });
dontDistribute = drv: overrideCabal drv (drv: { hydraPlatforms = []; });
appendConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = (drv.configureFlags or []) ++ [x]; });
removeConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = lib.remove x (drv.configureFlags or []); });
addBuildTool = drv: x: addBuildTools drv [x];
addBuildTools = drv: xs: overrideCabal drv (drv: { buildTools = (drv.buildTools or []) ++ xs; });
addExtraLibrary = drv: x: addExtraLibraries drv [x];
addExtraLibraries = drv: xs: overrideCabal drv (drv: { extraLibraries = (drv.extraLibraries or []) ++ xs; });
addBuildDepend = drv: x: addBuildDepends drv [x];
addBuildDepends = drv: xs: overrideCabal drv (drv: { buildDepends = (drv.buildDepends or []) ++ xs; });
addPkgconfigDepend = drv: x: addPkgconfigDepends drv [x];
addPkgconfigDepends = drv: xs: overrideCabal drv (drv: { pkgconfigDepends = (drv.pkgconfigDepends or []) ++ xs; });
addSetupDepend = drv: x: addSetupDepends drv [x];
addSetupDepends = drv: xs: overrideCabal drv (drv: { setupHaskellDepends = (drv.setupHaskellDepends or []) ++ xs; });
enableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f-${x}") "-f${x}";
disableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f${x}") "-f-${x}";
markBroken = drv: overrideCabal drv (drv: { broken = true; });
markBrokenVersion = version: drv: assert drv.version == version; markBroken drv;
enableLibraryProfiling = drv: overrideCabal drv (drv: { enableLibraryProfiling = true; });
disableLibraryProfiling = drv: overrideCabal drv (drv: { enableLibraryProfiling = false; });
enableSharedExecutables = drv: overrideCabal drv (drv: { enableSharedExecutables = true; });
disableSharedExecutables = drv: overrideCabal drv (drv: { enableSharedExecutables = false; });
enableSharedLibraries = drv: overrideCabal drv (drv: { enableSharedLibraries = true; });
disableSharedLibraries = drv: overrideCabal drv (drv: { enableSharedLibraries = false; });
enableDeadCodeElimination = drv: overrideCabal drv (drv: { enableDeadCodeElimination = true; });
disableDeadCodeElimination = drv: overrideCabal drv (drv: { enableDeadCodeElimination = false; });
enableStaticLibraries = drv: overrideCabal drv (drv: { enableStaticLibraries = true; });
disableStaticLibraries = drv: overrideCabal drv (drv: { enableStaticLibraries = false; });
appendPatch = drv: x: appendPatches drv [x];
appendPatches = drv: xs: overrideCabal drv (drv: { patches = (drv.patches or []) ++ xs; });
doHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = true; });
dontHyperlinkSource = drv: overrideCabal drv (drv: { hyperlinkSource = false; });
disableHardening = drv: flags: overrideCabal drv (drv: { hardeningDisable = flags; });
# Controls if Nix should strip the binary files (removes debug symbols)
doStrip = drv: overrideCabal drv (drv: { dontStrip = false; });
dontStrip = drv: overrideCabal drv (drv: { dontStrip = true; });
# Useful for debugging segfaults with gdb.
# -g: enables debugging symbols
# --disable-*-stripping: tell GHC not to strip resulting binaries
# dontStrip: see above
enableDWARFDebugging = drv:
appendConfigureFlag (dontStrip drv) "--ghc-options=-g --disable-executable-stripping --disable-library-stripping";
sdistTarball = pkg: lib.overrideDerivation pkg (drv: {
name = "${drv.pname}-source-${drv.version}";
# Since we disable the haddock phase, we also need to override the
# outputs since the separate doc output will not be produced.
outputs = ["out"];
buildPhase = "./Setup sdist";
haddockPhase = ":";
checkPhase = ":";
installPhase = "install -D dist/${drv.pname}-*.tar.gz $out/${drv.pname}-${drv.version}.tar.gz";
fixupPhase = ":";
});
linkWithGold = drv : appendConfigureFlag drv
"--ghc-option=-optl-fuse-ld=gold --ld-option=-fuse-ld=gold --with-ld=ld.gold";
# link executables statically against haskell libs to reduce closure size
justStaticExecutables = drv: overrideCabal drv (drv: {
enableSharedExecutables = false;
isLibrary = false;
doHaddock = false;
postFixup = "rm -rf $out/lib $out/nix-support $out/share/doc";
} // lib.optionalAttrs (pkgs.hostPlatform.isDarwin) {
configureFlags = (drv.configureFlags or []) ++ ["--ghc-option=-optl=-dead_strip"];
});
buildFromSdist = pkg: lib.overrideDerivation pkg (drv: {
unpackPhase = let src = sdistTarball pkg; tarname = "${pkg.pname}-${pkg.version}"; in ''
echo "Source tarball is at ${src}/${tarname}.tar.gz"
tar xf ${src}/${tarname}.tar.gz
cd ${pkg.pname}-*
'';
});
buildStrictly = pkg: buildFromSdist (appendConfigureFlag pkg "--ghc-option=-Wall --ghc-option=-Werror");
checkUnusedPackages =
{ ignoreEmptyImports ? false
, ignoreMainModule ? false
, ignorePackages ? []
} : drv :
overrideCabal (appendConfigureFlag drv "--ghc-option=-ddump-minimal-imports") (_drv: {
postBuild = with lib;
let args = concatStringsSep " " (
optional ignoreEmptyImports "--ignore-empty-imports" ++
optional ignoreMainModule "--ignore-main-module" ++
map (pkg: "--ignore-package ${pkg}") ignorePackages
);
in "${pkgs.haskellPackages.packunused}/bin/packunused" +
optionalString (args != "") " ${args}";
});
buildStackProject = pkgs.callPackage ./generic-stack-builder.nix { };
triggerRebuild = drv: i: overrideCabal drv (drv: { postUnpack = ": trigger rebuild ${toString i}"; });
overrideSrc = drv: { src, version ? drv.version }:
overrideCabal drv (_: { inherit src version; editedCabalFile = null; });
hasNoBinOutput = drv: overrideCabal drv (drv: { enableSeparateBinOutput = false; });
installOutputs = drv: outputs: overrideCabal drv
(drv: { outputsToInstall = outputs; });
}