868 lines
36 KiB
Nix
868 lines
36 KiB
Nix
{ lib, stdenv, buildPackages, buildHaskellPackages, ghc
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, jailbreak-cabal, hscolour, cpphs, runCommandCC
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, ghcWithHoogle, ghcWithPackages
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, nodejs
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}:
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let
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isCross = stdenv.buildPlatform != stdenv.hostPlatform;
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# Note that ghc.isGhcjs != stdenv.hostPlatform.isGhcjs.
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# ghc.isGhcjs implies that we are using ghcjs, a project separate from GHC.
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# (mere) stdenv.hostPlatform.isGhcjs means that we are using GHC's JavaScript
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# backend. The latter is a normal cross compilation backend and needs little
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# special accommodation.
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outputsJS = ghc.isGhcjs or false || stdenv.hostPlatform.isGhcjs;
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# Pass the "wrong" C compiler rather than none at all so packages that just
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# use the C preproccessor still work, see
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# https://github.com/haskell/cabal/issues/6466 for details.
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cc =
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if stdenv.hasCC then "$CC"
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else if stdenv.hostPlatform.isGhcjs then "${emscripten}/bin/emcc"
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else "$CC_FOR_BUILD";
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inherit (buildPackages)
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fetchurl removeReferencesTo
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pkg-config coreutils gnugrep glibcLocales
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emscripten;
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in
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{ pname
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, dontStrip ? outputsJS
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, version, revision ? null
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, sha256 ? null
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, src ? fetchurl { url = "mirror://hackage/${pname}-${version}.tar.gz"; inherit sha256; }
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, buildDepends ? [], setupHaskellDepends ? [], libraryHaskellDepends ? [], executableHaskellDepends ? []
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, buildTarget ? ""
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, buildTools ? [], libraryToolDepends ? [], executableToolDepends ? [], testToolDepends ? [], benchmarkToolDepends ? []
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, configureFlags ? []
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, buildFlags ? []
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, haddockFlags ? []
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, description ? null
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, doCheck ? !isCross
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, doBenchmark ? false
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, doHoogle ? true
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, doHaddockQuickjump ? doHoogle
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, doInstallIntermediates ? false
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, editedCabalFile ? null
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, enableLibraryProfiling ? !outputsJS
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, enableExecutableProfiling ? false
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, profilingDetail ? "exported-functions"
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# TODO enable shared libs for cross-compiling
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, enableSharedExecutables ? false
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, enableSharedLibraries ? !stdenv.hostPlatform.isStatic && (ghc.enableShared or false)
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, enableDeadCodeElimination ? (!stdenv.hostPlatform.isDarwin) # TODO: use -dead_strip for darwin
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# Disabling this for ghcjs prevents this crash: https://gitlab.haskell.org/ghc/ghc/-/issues/23235
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, enableStaticLibraries ? !(stdenv.hostPlatform.isWindows || stdenv.hostPlatform.isWasm || stdenv.hostPlatform.isGhcjs)
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, enableHsc2hsViaAsm ? stdenv.hostPlatform.isWindows
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, extraLibraries ? [], librarySystemDepends ? [], executableSystemDepends ? []
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# On macOS, statically linking against system frameworks is not supported;
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# see https://developer.apple.com/library/content/qa/qa1118/_index.html
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# They must be propagated to the environment of any executable linking with the library
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, libraryFrameworkDepends ? [], executableFrameworkDepends ? []
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, homepage ? "https://hackage.haskell.org/package/${pname}"
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, platforms ? with lib.platforms; all # GHC can cross-compile
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, badPlatforms ? lib.platforms.none
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, hydraPlatforms ? null
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, hyperlinkSource ? true
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, isExecutable ? false, isLibrary ? !isExecutable
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, jailbreak ? false
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, license
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, enableParallelBuilding ? true
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, maintainers ? null
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, changelog ? null
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, mainProgram ? null
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, doCoverage ? false
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, doHaddock ? !(ghc.isHaLVM or false) && (ghc.hasHaddock or true)
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, doHaddockInterfaces ? doHaddock && lib.versionAtLeast ghc.version "9.0.1"
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, passthru ? {}
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, pkg-configDepends ? [], libraryPkgconfigDepends ? [], executablePkgconfigDepends ? [], testPkgconfigDepends ? [], benchmarkPkgconfigDepends ? []
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, testDepends ? [], testHaskellDepends ? [], testSystemDepends ? [], testFrameworkDepends ? []
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, benchmarkDepends ? [], benchmarkHaskellDepends ? [], benchmarkSystemDepends ? [], benchmarkFrameworkDepends ? []
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, testTarget ? "", testFlags ? []
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, broken ? false
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, preCompileBuildDriver ? null, postCompileBuildDriver ? null
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, preUnpack ? null, postUnpack ? null
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, patches ? null, patchPhase ? null, prePatch ? "", postPatch ? ""
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, preConfigure ? null, postConfigure ? null
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, preBuild ? null, postBuild ? null
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, preHaddock ? null, postHaddock ? null
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, installPhase ? null, preInstall ? null, postInstall ? null
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, checkPhase ? null, preCheck ? null, postCheck ? null
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, preFixup ? null, postFixup ? null
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, shellHook ? ""
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, coreSetup ? false # Use only core packages to build Setup.hs.
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, useCpphs ? false
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, hardeningDisable ? null
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, enableSeparateBinOutput ? false
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, enableSeparateDataOutput ? false
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, enableSeparateDocOutput ? doHaddock
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, enableSeparateIntermediatesOutput ? false
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, # Don't fail at configure time if there are multiple versions of the
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# same package in the (recursive) dependencies of the package being
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# built. Will delay failures, if any, to compile time.
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allowInconsistentDependencies ? false
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, maxBuildCores ? 16 # more cores usually don't improve performance: https://ghc.haskell.org/trac/ghc/ticket/9221
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, # If set to true, this builds a pre-linked .o file for this Haskell library.
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# This can make it slightly faster to load this library into GHCi, but takes
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# extra disk space and compile time.
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enableLibraryForGhci ? false
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# Set this to a previous build of this same package to reuse the intermediate
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# build products from that prior build as a starting point for accelerating
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# this build
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, previousIntermediates ? null
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# References to these store paths are forbidden in the produced output.
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, disallowedRequisites ? []
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# Whether to allow the produced output to refer to `ghc`.
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#
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# This is used by `haskell.lib.justStaticExecutables` to help prevent static
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# Haskell binaries from having erroneous dependencies on GHC.
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#
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# See https://nixos.org/manual/nixpkgs/unstable/#haskell-packaging-helpers
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# or its source doc/languages-frameworks/haskell.section.md
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, disallowGhcReference ? false
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, # Cabal 3.8 which is shipped by default for GHC >= 9.3 always calls
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# `pkg-config --libs --static` as part of the configure step. This requires
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# Requires.private dependencies of pkg-config dependencies to be present in
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# PKG_CONFIG_PATH which is normally not the case in nixpkgs (except in pkgsStatic).
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# Since there is no patch or upstream patch yet, we replicate the automatic
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# propagation of dependencies in pkgsStatic for allPkgConfigDepends for
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# GHC >= 9.3 by default. This option allows overriding this behavior manually
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# if mismatching Cabal and GHC versions are used.
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# See also <https://github.com/haskell/cabal/issues/8455>.
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__propagatePkgConfigDepends ? lib.versionAtLeast ghc.version "9.3"
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, # Propagation can easily lead to the argv limit being exceeded in linker or C
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# compiler invocations. To work around this we can only propagate derivations
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# that are known to provide pkg-config modules, as indicated by the presence
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# of `meta.pkgConfigModules`. This option defaults to false for now, since
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# this metadata is far from complete in nixpkgs.
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__onlyPropagateKnownPkgConfigModules ? false
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} @ args:
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assert editedCabalFile != null -> revision != null;
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# --enable-static does not work on windows. This is a bug in GHC.
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# --enable-static will pass -staticlib to ghc, which only works for mach-o and elf.
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assert stdenv.hostPlatform.isWindows -> enableStaticLibraries == false;
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assert stdenv.hostPlatform.isWasm -> enableStaticLibraries == false;
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let
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inherit (lib) optional optionals optionalString versionAtLeast
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concatStringsSep enableFeature optionalAttrs;
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isGhcjs = ghc.isGhcjs or false;
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isHaLVM = ghc.isHaLVM or false;
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# GHC used for building Setup.hs
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#
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# Same as our GHC, unless we're cross, in which case it is native GHC with the
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# same version, or ghcjs, in which case its the ghc used to build ghcjs.
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nativeGhc = buildHaskellPackages.ghc;
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# the target dir for haddock documentation
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docdir = docoutput: docoutput + "/share/doc/" + pname + "-" + version;
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binDir = if enableSeparateBinOutput then "$bin/bin" else "$out/bin";
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newCabalFileUrl = "mirror://hackage/${pname}-${version}/revision/${revision}.cabal";
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newCabalFile = fetchurl {
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url = newCabalFileUrl;
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sha256 = editedCabalFile;
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name = "${pname}-${version}-r${revision}.cabal";
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};
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defaultSetupHs = builtins.toFile "Setup.hs" ''
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import Distribution.Simple
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main = defaultMain
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'';
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# This awk expression transforms a package conf file like
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#
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# author: John Doe <john-doe@example.com>
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# description:
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# The purpose of this library is to do
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# foo and bar among other things
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#
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# into a more easily processeable form:
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#
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# author: John Doe <john-doe@example.com>
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# description: The purpose of this library is to do foo and bar among other things
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unprettyConf = builtins.toFile "unpretty-cabal-conf.awk" ''
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/^[^ ]+:/ {
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# When the line starts with a new field, terminate the previous one with a newline
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if (started == 1) print ""
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# to strip leading spaces
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$1=$1
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printf "%s", $0
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started=1
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}
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/^ +/ {
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# to strip leading spaces
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$1=$1
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printf " %s", $0
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}
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# Terminate the final field with a newline
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END { print "" }
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'';
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crossCabalFlags = [
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"--with-ghc=${ghcCommand}"
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"--with-ghc-pkg=${ghc.targetPrefix}ghc-pkg"
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"--with-gcc=${cc}"
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] ++ optionals stdenv.hasCC [
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"--with-ld=${stdenv.cc.bintools.targetPrefix}ld"
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"--with-ar=${stdenv.cc.bintools.targetPrefix}ar"
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# use the one that comes with the cross compiler.
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"--with-hsc2hs=${ghc.targetPrefix}hsc2hs"
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"--with-strip=${stdenv.cc.bintools.targetPrefix}strip"
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] ++ optionals (!isHaLVM) [
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"--hsc2hs-option=--cross-compile"
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(optionalString enableHsc2hsViaAsm "--hsc2hs-option=--via-asm")
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] ++ optional (allPkgconfigDepends != [])
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"--with-pkg-config=${pkg-config.targetPrefix}pkg-config";
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makeGhcOptions = opts: lib.concatStringsSep " " (map (opt: "--ghc-option=${opt}") opts);
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buildFlagsString = optionalString (buildFlags != []) (" " + concatStringsSep " " buildFlags);
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defaultConfigureFlags = [
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"--verbose"
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"--prefix=$out"
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# Note: This must be kept in sync manually with mkGhcLibdir
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("--libdir=\\$prefix/lib/\\$compiler" + lib.optionalString (ghc ? hadrian) "/lib")
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"--libsubdir=\\$abi/\\$libname"
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(optionalString enableSeparateDataOutput "--datadir=$data/share/${ghcNameWithPrefix}")
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(optionalString enableSeparateDocOutput "--docdir=${docdir "$doc"}")
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] ++ optionals stdenv.hasCC [
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"--with-gcc=$CC" # Clang won't work without that extra information.
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] ++ [
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"--package-db=$packageConfDir"
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(optionalString (enableSharedExecutables && stdenv.hostPlatform.isLinux) "--ghc-option=-optl=-Wl,-rpath=$out/${ghcLibdir}/${pname}-${version}")
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(optionalString (enableSharedExecutables && stdenv.hostPlatform.isDarwin) "--ghc-option=-optl=-Wl,-headerpad_max_install_names")
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(optionalString enableParallelBuilding (makeGhcOptions [ "-j$NIX_BUILD_CORES" "+RTS" "-A64M" "-RTS" ]))
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(optionalString useCpphs ("--with-cpphs=${cpphs}/bin/cpphs " + (makeGhcOptions [ "-cpp" "-pgmP${cpphs}/bin/cpphs" "-optP--cpp" ])))
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(enableFeature enableLibraryProfiling "library-profiling")
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(optionalString (enableExecutableProfiling || enableLibraryProfiling) "--profiling-detail=${profilingDetail}")
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(enableFeature enableExecutableProfiling "profiling")
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(enableFeature enableSharedLibraries "shared")
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(enableFeature doCoverage "coverage")
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(enableFeature enableStaticLibraries "static")
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(enableFeature enableSharedExecutables "executable-dynamic")
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(enableFeature doCheck "tests")
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(enableFeature doBenchmark "benchmarks")
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"--enable-library-vanilla" # TODO: Should this be configurable?
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(enableFeature enableLibraryForGhci "library-for-ghci")
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(enableFeature enableDeadCodeElimination "split-sections")
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(enableFeature (!dontStrip) "library-stripping")
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(enableFeature (!dontStrip) "executable-stripping")
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] ++ optionals isGhcjs [
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"--ghcjs"
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] ++ optionals isCross ([
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"--configure-option=--host=${stdenv.hostPlatform.config}"
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] ++ crossCabalFlags
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) ++ optionals enableSeparateBinOutput [
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"--bindir=${binDir}"
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] ++ optionals (doHaddockInterfaces && isLibrary) [
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"--ghc-option=-haddock"
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];
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postPhases = optional doInstallIntermediates "installIntermediatesPhase";
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setupCompileFlags = [
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(optionalString (!coreSetup) "-package-db=$setupPackageConfDir")
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"-threaded" # https://github.com/haskell/cabal/issues/2398
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];
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isHaskellPkg = x: x ? isHaskellLibrary;
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# Work around a Cabal bug requiring pkg-config --static --libs to work even
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# when linking dynamically, affecting Cabal 3.8 and 3.9.
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# https://github.com/haskell/cabal/issues/8455
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#
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# For this, we treat the runtime system/pkg-config dependencies of a Haskell
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# derivation as if they were propagated from their dependencies which allows
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# pkg-config --static to work in most cases.
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allPkgconfigDepends =
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let
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# If __onlyPropagateKnownPkgConfigModules is set, packages without
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# meta.pkgConfigModules will be filtered out, otherwise all packages in
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# buildInputs and propagatePlainBuildInputs are propagated.
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propagateValue = drv:
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lib.isDerivation drv
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&& (__onlyPropagateKnownPkgConfigModules -> drv ? meta.pkgConfigModules);
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# Take list of derivations and return list of the transitive dependency
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# closure, only taking into account buildInputs. Loosely based on
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# closePropagationFast.
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propagatePlainBuildInputs = drvs:
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builtins.map (i: i.val) (
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builtins.genericClosure {
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startSet = builtins.map (drv:
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{ key = drv.outPath; val = drv; }
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) (builtins.filter propagateValue drvs);
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operator = { val, ... }:
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builtins.concatMap (drv:
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if propagateValue drv
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then [ { key = drv.outPath; val = drv; } ]
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else [ ]
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) (val.buildInputs or [ ] ++ val.propagatedBuildInputs or [ ]);
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}
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);
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in
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if __propagatePkgConfigDepends
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then propagatePlainBuildInputs allPkgconfigDepends'
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else allPkgconfigDepends';
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allPkgconfigDepends' =
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pkg-configDepends ++ libraryPkgconfigDepends ++ executablePkgconfigDepends ++
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optionals doCheck testPkgconfigDepends ++ optionals doBenchmark benchmarkPkgconfigDepends;
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depsBuildBuild = [ nativeGhc ]
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# CC_FOR_BUILD may be necessary if we have no C preprocessor for the host
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# platform. See crossCabalFlags above for more details.
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++ lib.optionals (!stdenv.hasCC) [ buildPackages.stdenv.cc ];
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collectedToolDepends =
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buildTools ++ libraryToolDepends ++ executableToolDepends ++
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optionals doCheck testToolDepends ++
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optionals doBenchmark benchmarkToolDepends;
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nativeBuildInputs =
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[ ghc removeReferencesTo ] ++ optional (allPkgconfigDepends != []) (assert pkg-config != null; pkg-config) ++
|
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setupHaskellDepends ++ collectedToolDepends ++ optional stdenv.hostPlatform.isGhcjs nodejs;
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propagatedBuildInputs = buildDepends ++ libraryHaskellDepends ++ executableHaskellDepends ++ libraryFrameworkDepends;
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otherBuildInputsHaskell =
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optionals doCheck (testDepends ++ testHaskellDepends) ++
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optionals doBenchmark (benchmarkDepends ++ benchmarkHaskellDepends);
|
|
otherBuildInputsSystem =
|
|
extraLibraries ++ librarySystemDepends ++ executableSystemDepends ++ executableFrameworkDepends ++
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allPkgconfigDepends ++
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|
optionals doCheck (testSystemDepends ++ testFrameworkDepends) ++
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|
optionals doBenchmark (benchmarkSystemDepends ++ benchmarkFrameworkDepends);
|
|
# TODO next rebuild just define as `otherBuildInputsHaskell ++ otherBuildInputsSystem`
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|
otherBuildInputs =
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extraLibraries ++ librarySystemDepends ++ executableSystemDepends ++ executableFrameworkDepends ++
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allPkgconfigDepends ++
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optionals doCheck (testDepends ++ testHaskellDepends ++ testSystemDepends ++ testFrameworkDepends) ++
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optionals doBenchmark (benchmarkDepends ++ benchmarkHaskellDepends ++ benchmarkSystemDepends ++ benchmarkFrameworkDepends);
|
|
|
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setupCommand = "./Setup";
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|
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|
ghcCommand' = if isGhcjs then "ghcjs" else "ghc";
|
|
ghcCommand = "${ghc.targetPrefix}${ghcCommand'}";
|
|
|
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ghcNameWithPrefix = "${ghc.targetPrefix}${ghc.haskellCompilerName}";
|
|
mkGhcLibdir = ghc: "lib/${ghc.targetPrefix}${ghc.haskellCompilerName}"
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|
+ lib.optionalString (ghc ? hadrian) "/lib";
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ghcLibdir = mkGhcLibdir ghc;
|
|
|
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nativeGhcCommand = "${nativeGhc.targetPrefix}ghc";
|
|
|
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buildPkgDb = thisGhc: packageConfDir: ''
|
|
# If this dependency has a package database, then copy the contents of it,
|
|
# unless it is one of our GHCs. These can appear in our dependencies when
|
|
# we are doing native builds, and they have package databases in them, but
|
|
# we do not want to copy them over.
|
|
#
|
|
# We don't need to, since those packages will be provided by the GHC when
|
|
# we compile with it, and doing so can result in having multiple copies of
|
|
# e.g. Cabal in the database with the same name and version, which is
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# ambiguous.
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|
if [ -d "$p/${mkGhcLibdir thisGhc}/package.conf.d" ] && [ "$p" != "${ghc}" ] && [ "$p" != "${nativeGhc}" ]; then
|
|
cp -f "$p/${mkGhcLibdir thisGhc}/package.conf.d/"*.conf ${packageConfDir}/
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|
continue
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|
fi
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|
'';
|
|
|
|
intermediatesDir = "share/haskell/${ghc.version}/${pname}-${version}/dist";
|
|
|
|
# This is a script suitable for --test-wrapper of Setup.hs' test command
|
|
# (https://cabal.readthedocs.io/en/3.12/setup-commands.html#cmdoption-runhaskell-Setup.hs-test-test-wrapper).
|
|
# We use it to set some environment variables that the test suite may need,
|
|
# e.g. GHC_PACKAGE_PATH to invoke GHC(i) at runtime with build dependencies
|
|
# available. See the comment accompanying checkPhase below on how to customize
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# this behavior. We need to use a wrapper script since Cabal forbids setting
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|
# certain environment variables since they can alter GHC's behavior (e.g.
|
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# GHC_PACKAGE_PATH) and cause failures. While building, Cabal will set
|
|
# GHC_ENVIRONMENT to make the packages picked at configure time available to
|
|
# GHC, but unfortunately not at test time. The test wrapper script will be
|
|
# executed after such environment checks, so we can take some liberties which
|
|
# is unproblematic since we know our synthetic package db matches what Cabal
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# will see at configure time exactly. See also
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# <https://github.com/haskell/cabal/issues/7792>.
|
|
testWrapperScript = buildPackages.writeShellScript
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|
"haskell-generic-builder-test-wrapper.sh"
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''
|
|
set -eu
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|
|
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# We expect this to be either empty or set by checkPhase
|
|
if [[ -n "''${NIX_GHC_PACKAGE_PATH_FOR_TEST}" ]]; then
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export GHC_PACKAGE_PATH="''${NIX_GHC_PACKAGE_PATH_FOR_TEST}"
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|
fi
|
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|
|
exec "$@"
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|
'';
|
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|
|
in lib.fix (drv:
|
|
|
|
stdenv.mkDerivation ({
|
|
inherit pname version;
|
|
|
|
outputs = [ "out" ]
|
|
++ (optional enableSeparateDataOutput "data")
|
|
++ (optional enableSeparateDocOutput "doc")
|
|
++ (optional enableSeparateBinOutput "bin")
|
|
++ (optional enableSeparateIntermediatesOutput "intermediates");
|
|
|
|
setOutputFlags = false;
|
|
|
|
pos = builtins.unsafeGetAttrPos "pname" args;
|
|
|
|
prePhases = ["setupCompilerEnvironmentPhase"];
|
|
preConfigurePhases = ["compileBuildDriverPhase"];
|
|
preInstallPhases = ["haddockPhase"];
|
|
|
|
inherit src;
|
|
|
|
inherit depsBuildBuild nativeBuildInputs;
|
|
buildInputs = otherBuildInputs ++ optionals (!isLibrary) propagatedBuildInputs
|
|
# For patchShebangsAuto in fixupPhase
|
|
++ optionals stdenv.hostPlatform.isGhcjs [ nodejs ];
|
|
propagatedBuildInputs = optionals isLibrary propagatedBuildInputs;
|
|
|
|
LANG = "en_US.UTF-8"; # GHC needs the locale configured during the Haddock phase.
|
|
|
|
prePatch = optionalString (editedCabalFile != null) ''
|
|
echo "Replace Cabal file with edited version from ${newCabalFileUrl}."
|
|
cp ${newCabalFile} ${pname}.cabal
|
|
'' + prePatch;
|
|
|
|
postPatch = optionalString jailbreak ''
|
|
echo "Run jailbreak-cabal to lift version restrictions on build inputs."
|
|
${jailbreak-cabal}/bin/jailbreak-cabal ${pname}.cabal
|
|
'' + postPatch;
|
|
|
|
setupCompilerEnvironmentPhase = ''
|
|
NIX_BUILD_CORES=$(( NIX_BUILD_CORES < ${toString maxBuildCores} ? NIX_BUILD_CORES : ${toString maxBuildCores} ))
|
|
runHook preSetupCompilerEnvironment
|
|
|
|
echo "Build with ${ghc}."
|
|
${optionalString (isLibrary && hyperlinkSource) "export PATH=${hscolour}/bin:$PATH"}
|
|
|
|
builddir="$(mktemp -d)"
|
|
setupPackageConfDir="$builddir/setup-package.conf.d"
|
|
mkdir -p $setupPackageConfDir
|
|
packageConfDir="$builddir/package.conf.d"
|
|
mkdir -p $packageConfDir
|
|
|
|
setupCompileFlags="${concatStringsSep " " setupCompileFlags}"
|
|
configureFlags="${concatStringsSep " " defaultConfigureFlags} $configureFlags"
|
|
''
|
|
# We build the Setup.hs on the *build* machine, and as such should only add
|
|
# dependencies for the build machine.
|
|
#
|
|
# pkgs* arrays defined in stdenv/setup.hs
|
|
+ ''
|
|
for p in "''${pkgsBuildBuild[@]}" "''${pkgsBuildHost[@]}" "''${pkgsBuildTarget[@]}"; do
|
|
${buildPkgDb nativeGhc "$setupPackageConfDir"}
|
|
done
|
|
${nativeGhcCommand}-pkg --package-db="$setupPackageConfDir" recache
|
|
''
|
|
# For normal components
|
|
+ ''
|
|
for p in "''${pkgsHostHost[@]}" "''${pkgsHostTarget[@]}"; do
|
|
${buildPkgDb ghc "$packageConfDir"}
|
|
if [ -d "$p/include" ]; then
|
|
configureFlags+=" --extra-include-dirs=$p/include"
|
|
fi
|
|
if [ -d "$p/lib" ]; then
|
|
configureFlags+=" --extra-lib-dirs=$p/lib"
|
|
fi
|
|
if [[ -d "$p/Library/Frameworks" ]]; then
|
|
configureFlags+=" --extra-framework-dirs=$p/Library/Frameworks"
|
|
fi
|
|
'' + ''
|
|
done
|
|
''
|
|
+ (optionalString stdenv.hostPlatform.isGhcjs ''
|
|
export EM_CACHE="$(realpath "$(mktemp -d emcache.XXXXXXXXXX)")"
|
|
cp -Lr ${emscripten}/share/emscripten/cache/* "$EM_CACHE/"
|
|
chmod u+rwX -R "$EM_CACHE"
|
|
'')
|
|
# only use the links hack if we're actually building dylibs. otherwise, the
|
|
# "dynamic-library-dirs" point to nonexistent paths, and the ln command becomes
|
|
# "ln -s $out/lib/links", which tries to recreate the links dir and fails
|
|
#
|
|
# Note: We need to disable this work-around when using intermediate build
|
|
# products from a prior build because otherwise Nix will change permissions on
|
|
# the `$out/lib/links` directory to read-only when the build is done after the
|
|
# dist directory has already been exported, which triggers an unnecessary
|
|
# rebuild of modules included in the exported dist directory.
|
|
+ (optionalString (stdenv.hostPlatform.isDarwin && (enableSharedLibraries || enableSharedExecutables) && !enableSeparateIntermediatesOutput) ''
|
|
# Work around a limit in the macOS Sierra linker on the number of paths
|
|
# referenced by any one dynamic library:
|
|
#
|
|
# Create a local directory with symlinks of the *.dylib (macOS shared
|
|
# libraries) from all the dependencies.
|
|
local dynamicLinksDir="$out/lib/links"
|
|
mkdir -p $dynamicLinksDir
|
|
|
|
# Unprettify all package conf files before reading/writing them
|
|
for d in "$packageConfDir/"*; do
|
|
# gawk -i inplace seems to strip the last newline
|
|
gawk -f ${unprettyConf} "$d" > tmp
|
|
mv tmp "$d"
|
|
done
|
|
|
|
for d in $(grep '^dynamic-library-dirs:' "$packageConfDir"/* | cut -d' ' -f2- | tr ' ' '\n' | sort -u); do
|
|
for lib in "$d/"*.{dylib,so}; do
|
|
# Allow overwriting because C libs can be pulled in multiple times.
|
|
ln -sf "$lib" "$dynamicLinksDir"
|
|
done
|
|
done
|
|
# Edit the local package DB to reference the links directory.
|
|
for f in "$packageConfDir/"*.conf; do
|
|
sed -i "s,dynamic-library-dirs: .*,dynamic-library-dirs: $dynamicLinksDir," "$f"
|
|
done
|
|
'') + ''
|
|
${ghcCommand}-pkg --package-db="$packageConfDir" recache
|
|
|
|
runHook postSetupCompilerEnvironment
|
|
'';
|
|
|
|
compileBuildDriverPhase = ''
|
|
runHook preCompileBuildDriver
|
|
|
|
for i in Setup.hs Setup.lhs ${defaultSetupHs}; do
|
|
test -f $i && break
|
|
done
|
|
|
|
echo setupCompileFlags: $setupCompileFlags
|
|
${nativeGhcCommand} $setupCompileFlags --make -o Setup -odir $builddir -hidir $builddir $i
|
|
|
|
runHook postCompileBuildDriver
|
|
'';
|
|
|
|
# Cabal takes flags like `--configure-option=--host=...` instead
|
|
configurePlatforms = [];
|
|
inherit configureFlags;
|
|
|
|
# Note: the options here must be always added, regardless of whether the
|
|
# package specifies `hardeningDisable`.
|
|
hardeningDisable = lib.optionals (args ? hardeningDisable) hardeningDisable
|
|
++ lib.optional (ghc.isHaLVM or false) "all"
|
|
# Static libraries (ie. all of pkgsStatic.haskellPackages) fail to build
|
|
# because by default Nix adds `-pie` to the linker flags: this
|
|
# conflicts with the `-r` and `-no-pie` flags added by GHC (see
|
|
# https://gitlab.haskell.org/ghc/ghc/-/issues/19580). hardeningDisable
|
|
# changes the default Nix behavior regarding adding "hardening" flags.
|
|
++ lib.optional enableStaticLibraries "pie";
|
|
|
|
configurePhase = ''
|
|
runHook preConfigure
|
|
|
|
echo configureFlags: $configureFlags
|
|
${setupCommand} configure $configureFlags 2>&1 | ${coreutils}/bin/tee "$NIX_BUILD_TOP/cabal-configure.log"
|
|
${lib.optionalString (!allowInconsistentDependencies) ''
|
|
if ${gnugrep}/bin/egrep -q -z 'Warning:.*depends on multiple versions' "$NIX_BUILD_TOP/cabal-configure.log"; then
|
|
echo >&2 "*** abort because of serious configure-time warning from Cabal"
|
|
exit 1
|
|
fi
|
|
''}
|
|
|
|
runHook postConfigure
|
|
'';
|
|
|
|
buildPhase =
|
|
''
|
|
runHook preBuild
|
|
''
|
|
+ lib.optionalString (previousIntermediates != null)
|
|
''
|
|
mkdir -p dist;
|
|
rm -r dist/build
|
|
cp -r ${previousIntermediates}/${intermediatesDir}/build dist/build
|
|
find dist/build -exec chmod u+w {} +
|
|
find dist/build -exec touch -d '1970-01-01T00:00:00Z' {} +
|
|
''
|
|
+ ''
|
|
${setupCommand} build ${buildTarget}${buildFlagsString}
|
|
runHook postBuild
|
|
'';
|
|
|
|
inherit doCheck;
|
|
|
|
# Run test suite(s) and pass `checkFlags` as well as `checkFlagsArray`.
|
|
# `testFlags` are added to `checkFlagsArray` each prefixed with
|
|
# `--test-option`, so Cabal passes it to the underlying test suite binary.
|
|
#
|
|
# We also take care of setting GHC_PACKAGE_PATH during test suite execution,
|
|
# so it can run GHC(i) with build dependencies available:
|
|
# - If NIX_GHC_PACKAGE_PATH_FOR_TEST is set, it become the value of GHC_PACKAGE_PATH
|
|
# while the test suite is executed.
|
|
# - If it is empty, it'll be unset during test suite execution.
|
|
# - Otherwise GHC_PACKAGE_PATH will have the package db used for configuring
|
|
# plus GHC's core packages.
|
|
checkPhase = ''
|
|
runHook preCheck
|
|
checkFlagsArray+=(
|
|
"--show-details=streaming"
|
|
"--test-wrapper=${testWrapperScript}"
|
|
${lib.escapeShellArgs (builtins.map (opt: "--test-option=${opt}") testFlags)}
|
|
)
|
|
export NIX_GHC_PACKAGE_PATH_FOR_TEST="''${NIX_GHC_PACKAGE_PATH_FOR_TEST:-$packageConfDir:}"
|
|
${setupCommand} test ${testTarget} $checkFlags ''${checkFlagsArray:+"''${checkFlagsArray[@]}"}
|
|
runHook postCheck
|
|
'';
|
|
|
|
haddockPhase = ''
|
|
runHook preHaddock
|
|
${optionalString (doHaddock && isLibrary) ''
|
|
${setupCommand} haddock --html \
|
|
${optionalString doHoogle "--hoogle"} \
|
|
${optionalString doHaddockQuickjump "--quickjump"} \
|
|
${optionalString (isLibrary && hyperlinkSource) "--hyperlink-source"} \
|
|
${lib.concatStringsSep " " haddockFlags}
|
|
''}
|
|
runHook postHaddock
|
|
'';
|
|
|
|
installPhase = ''
|
|
runHook preInstall
|
|
|
|
${if !isLibrary && buildTarget == "" then "${setupCommand} install"
|
|
# ^^ if the project is not a library, and no build target is specified, we can just use "install".
|
|
else if !isLibrary then "${setupCommand} copy ${buildTarget}"
|
|
# ^^ if the project is not a library, and we have a build target, then use "copy" to install
|
|
# just the target specified; "install" will error here, since not all targets have been built.
|
|
else ''
|
|
${setupCommand} copy ${buildTarget}
|
|
local packageConfDir="$out/${ghcLibdir}/package.conf.d"
|
|
local packageConfFile="$packageConfDir/${pname}-${version}.conf"
|
|
mkdir -p "$packageConfDir"
|
|
${setupCommand} register --gen-pkg-config=$packageConfFile
|
|
if [ -d "$packageConfFile" ]; then
|
|
mv "$packageConfFile/"* "$packageConfDir"
|
|
rmdir "$packageConfFile"
|
|
fi
|
|
for packageConfFile in "$packageConfDir/"*; do
|
|
local pkgId=$(gawk -f ${unprettyConf} "$packageConfFile" \
|
|
| grep '^id:' | cut -d' ' -f2)
|
|
mv "$packageConfFile" "$packageConfDir/$pkgId.conf"
|
|
done
|
|
|
|
# delete confdir if there are no libraries
|
|
find $packageConfDir -maxdepth 0 -empty -delete;
|
|
''}
|
|
${optionalString isGhcjs ''
|
|
for exeDir in "${binDir}/"*.jsexe; do
|
|
exe="''${exeDir%.jsexe}"
|
|
printWords '#!${nodejs}/bin/node' > "$exe"
|
|
echo >> "$exe"
|
|
cat "$exeDir/all.js" >> "$exe"
|
|
chmod +x "$exe"
|
|
done
|
|
''}
|
|
${optionalString doCoverage "mkdir -p $out/share && cp -r dist/hpc $out/share"}
|
|
|
|
${optionalString enableSeparateDocOutput ''
|
|
for x in ${docdir "$doc"}"/html/src/"*.html; do
|
|
remove-references-to -t $out $x
|
|
done
|
|
mkdir -p $doc
|
|
''}
|
|
${optionalString enableSeparateDataOutput "mkdir -p $data"}
|
|
|
|
runHook postInstall
|
|
'';
|
|
|
|
${if doInstallIntermediates then "installIntermediatesPhase" else null} = ''
|
|
runHook preInstallIntermediates
|
|
intermediatesOutput=${if enableSeparateIntermediatesOutput then "$intermediates" else "$out"}
|
|
installIntermediatesDir="$intermediatesOutput/${intermediatesDir}"
|
|
mkdir -p "$installIntermediatesDir"
|
|
cp -r dist/build "$installIntermediatesDir"
|
|
runHook postInstallIntermediates
|
|
'';
|
|
|
|
passthru = passthru // rec {
|
|
|
|
inherit pname version disallowGhcReference;
|
|
|
|
compiler = ghc;
|
|
|
|
# All this information is intended just for `shellFor`. It should be
|
|
# considered unstable and indeed we knew how to keep it private we would.
|
|
getCabalDeps = {
|
|
inherit
|
|
buildDepends
|
|
buildTools
|
|
executableFrameworkDepends
|
|
executableHaskellDepends
|
|
executablePkgconfigDepends
|
|
executableSystemDepends
|
|
executableToolDepends
|
|
extraLibraries
|
|
libraryFrameworkDepends
|
|
libraryHaskellDepends
|
|
libraryPkgconfigDepends
|
|
librarySystemDepends
|
|
libraryToolDepends
|
|
pkg-configDepends
|
|
setupHaskellDepends
|
|
;
|
|
} // lib.optionalAttrs doCheck {
|
|
inherit
|
|
testDepends
|
|
testFrameworkDepends
|
|
testHaskellDepends
|
|
testPkgconfigDepends
|
|
testSystemDepends
|
|
testToolDepends
|
|
;
|
|
} // lib.optionalAttrs doBenchmark {
|
|
inherit
|
|
benchmarkDepends
|
|
benchmarkFrameworkDepends
|
|
benchmarkHaskellDepends
|
|
benchmarkPkgconfigDepends
|
|
benchmarkSystemDepends
|
|
benchmarkToolDepends
|
|
;
|
|
};
|
|
|
|
# Attributes for the old definition of `shellFor`. Should be removed but
|
|
# this predates the warning at the top of `getCabalDeps`.
|
|
getBuildInputs = rec {
|
|
inherit propagatedBuildInputs otherBuildInputs allPkgconfigDepends;
|
|
haskellBuildInputs = isHaskellPartition.right;
|
|
systemBuildInputs = isHaskellPartition.wrong;
|
|
isHaskellPartition = lib.partition
|
|
isHaskellPkg
|
|
(propagatedBuildInputs ++ otherBuildInputs ++ depsBuildBuild ++ nativeBuildInputs);
|
|
};
|
|
|
|
isHaskellLibrary = isLibrary;
|
|
|
|
# TODO: ask why the split outputs are configurable at all?
|
|
# TODO: include tests for split if possible
|
|
# Given the haskell package, returns
|
|
# the directory containing the haddock documentation.
|
|
# `null' if no haddock documentation was built.
|
|
# TODO: fetch the self from the fixpoint instead
|
|
haddockDir = self: if doHaddock then "${docdir self.doc}/html" else null;
|
|
|
|
# Creates a derivation containing all of the necessary dependencies for building the
|
|
# parent derivation. The attribute set that it takes as input can be viewed as:
|
|
#
|
|
# { withHoogle }
|
|
#
|
|
# The derivation that it builds contains no outpaths because it is meant for use
|
|
# as an environment
|
|
#
|
|
# # Example use
|
|
# # Creates a shell with all of the dependencies required to build the "hello" package,
|
|
# # and with python:
|
|
#
|
|
# > nix-shell -E 'with (import <nixpkgs> {}); \
|
|
# > haskell.packages.ghc865.hello.envFunc { buildInputs = [ python ]; }'
|
|
envFunc = { withHoogle ? false }:
|
|
let
|
|
name = "ghc-shell-for-${drv.name}";
|
|
|
|
withPackages = if withHoogle then ghcWithHoogle else ghcWithPackages;
|
|
|
|
# We use the `ghcWithPackages` function from `buildHaskellPackages` if we
|
|
# want a shell for the sake of cross compiling a package. In the native case
|
|
# we don't use this at all, and instead put the setupDepends in the main
|
|
# `ghcWithPackages`. This way we don't have two wrapper scripts called `ghc`
|
|
# shadowing each other on the PATH.
|
|
ghcEnvForBuild =
|
|
assert isCross;
|
|
buildHaskellPackages.ghcWithPackages (_: setupHaskellDepends);
|
|
|
|
ghcEnv = withPackages (_:
|
|
otherBuildInputsHaskell ++
|
|
propagatedBuildInputs ++
|
|
lib.optionals (!isCross) setupHaskellDepends);
|
|
|
|
ghcCommandCaps = lib.toUpper ghcCommand';
|
|
in runCommandCC name {
|
|
inherit shellHook;
|
|
|
|
depsBuildBuild = lib.optional isCross ghcEnvForBuild;
|
|
nativeBuildInputs =
|
|
[ ghcEnv ] ++ optional (allPkgconfigDepends != []) pkg-config ++
|
|
collectedToolDepends;
|
|
buildInputs =
|
|
otherBuildInputsSystem;
|
|
LANG = "en_US.UTF-8";
|
|
LOCALE_ARCHIVE = lib.optionalString (stdenv.hostPlatform.libc == "glibc") "${buildPackages.glibcLocales}/lib/locale/locale-archive";
|
|
"NIX_${ghcCommandCaps}" = "${ghcEnv}/bin/${ghcCommand}";
|
|
"NIX_${ghcCommandCaps}PKG" = "${ghcEnv}/bin/${ghcCommand}-pkg";
|
|
# TODO: is this still valid?
|
|
"NIX_${ghcCommandCaps}_DOCDIR" = "${ghcEnv}/share/doc/ghc/html";
|
|
"NIX_${ghcCommandCaps}_LIBDIR" = if ghc.isHaLVM or false
|
|
then "${ghcEnv}/lib/HaLVM-${ghc.version}"
|
|
else "${ghcEnv}/${ghcLibdir}";
|
|
} "echo $nativeBuildInputs $buildInputs > $out";
|
|
|
|
env = envFunc { };
|
|
|
|
};
|
|
|
|
meta = { inherit homepage license platforms; }
|
|
// optionalAttrs (args ? broken) { inherit broken; }
|
|
// optionalAttrs (args ? description) { inherit description; }
|
|
// optionalAttrs (args ? maintainers) { inherit maintainers; }
|
|
// optionalAttrs (args ? hydraPlatforms) { inherit hydraPlatforms; }
|
|
// optionalAttrs (args ? badPlatforms) { inherit badPlatforms; }
|
|
// optionalAttrs (args ? changelog) { inherit changelog; }
|
|
// optionalAttrs (args ? mainProgram) { inherit mainProgram; }
|
|
;
|
|
|
|
}
|
|
// optionalAttrs (args ? preCompileBuildDriver) { inherit preCompileBuildDriver; }
|
|
// optionalAttrs (args ? postCompileBuildDriver) { inherit postCompileBuildDriver; }
|
|
// optionalAttrs (args ? preUnpack) { inherit preUnpack; }
|
|
// optionalAttrs (args ? postUnpack) { inherit postUnpack; }
|
|
// optionalAttrs (args ? patches) { inherit patches; }
|
|
// optionalAttrs (args ? patchPhase) { inherit patchPhase; }
|
|
// optionalAttrs (args ? preConfigure) { inherit preConfigure; }
|
|
// optionalAttrs (args ? postConfigure) { inherit postConfigure; }
|
|
// optionalAttrs (args ? preBuild) { inherit preBuild; }
|
|
// optionalAttrs (args ? postBuild) { inherit postBuild; }
|
|
// optionalAttrs (args ? doBenchmark) { inherit doBenchmark; }
|
|
// optionalAttrs (args ? checkPhase) { inherit checkPhase; }
|
|
// optionalAttrs (args ? preCheck) { inherit preCheck; }
|
|
// optionalAttrs (args ? postCheck) { inherit postCheck; }
|
|
// optionalAttrs (args ? preHaddock) { inherit preHaddock; }
|
|
// optionalAttrs (args ? postHaddock) { inherit postHaddock; }
|
|
// optionalAttrs (args ? preInstall) { inherit preInstall; }
|
|
// optionalAttrs (args ? installPhase) { inherit installPhase; }
|
|
// optionalAttrs (args ? postInstall) { inherit postInstall; }
|
|
// optionalAttrs (args ? preFixup) { inherit preFixup; }
|
|
// optionalAttrs (args ? postFixup) { inherit postFixup; }
|
|
// optionalAttrs (args ? dontStrip) { inherit dontStrip; }
|
|
// optionalAttrs (postPhases != []) { inherit postPhases; }
|
|
// optionalAttrs (stdenv.buildPlatform.libc == "glibc"){ LOCALE_ARCHIVE = "${glibcLocales}/lib/locale/locale-archive"; }
|
|
// optionalAttrs (disallowedRequisites != [] || disallowGhcReference) {
|
|
disallowedRequisites =
|
|
disallowedRequisites
|
|
++ (
|
|
if disallowGhcReference
|
|
then [ghc]
|
|
else []
|
|
);
|
|
}
|
|
|
|
# Implicit pointer to integer conversions are errors by default since clang 15.
|
|
# Works around https://gitlab.haskell.org/ghc/ghc/-/issues/23456.
|
|
// optionalAttrs (stdenv.hasCC && stdenv.cc.isClang) {
|
|
NIX_CFLAGS_COMPILE = "-Wno-error=int-conversion";
|
|
}
|
|
)
|
|
)
|