forked from mirrors/nixpkgs
83221f3886
Makes the build more useful: - Disabled hybrid iso, makes installer tests pass again - Imagemagick fixes to the "Illegal instruction" thing
307 lines
14 KiB
Nix
307 lines
14 KiB
Nix
# generic builder for Cabal packages
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{ stdenv, fetchurl, lib, pkgconfig, ghc, Cabal, jailbreakCabal, glibcLocales
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, gnugrep, coreutils, hscolour
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, enableLibraryProfiling ? false
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, enableSharedLibraries ? false
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, enableSharedExecutables ? false
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, enableStaticLibraries ? true
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, enableCheckPhase ? stdenv.lib.versionOlder "7.4" ghc.version
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, enableHyperlinkSource ? true
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, extension ? (self : super : {})
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}:
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let
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enableFeature = stdenv.lib.enableFeature;
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versionOlder = stdenv.lib.versionOlder;
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optional = stdenv.lib.optional;
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optionals = stdenv.lib.optionals;
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optionalString = stdenv.lib.optionalString;
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filter = stdenv.lib.filter;
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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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in
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# Cabal shipped with GHC 6.12.4 or earlier doesn't know the "--enable-tests configure" flag.
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assert enableCheckPhase -> versionOlder "7" ghc.version;
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# GHC prior to 7.4.x doesn't know the "--enable-executable-dynamic" flag.
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assert enableSharedExecutables -> versionOlder "7.4" ghc.version;
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# Our GHC 6.10.x builds do not provide sharable versions of their core libraries.
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assert enableSharedLibraries -> versionOlder "6.12" ghc.version;
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# Pure shared library builds don't work before GHC 7.8.x.
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assert !enableStaticLibraries -> versionOlder "7.7" ghc.version;
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{
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mkDerivation =
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args : # arguments for the individual package, can modify the defaults
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let # These attributes are removed in the end. This is in order not to spoil the build
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# environment overly, but also to keep hash-backwards-compatible with the old cabal.nix.
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internalAttrs = [
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"internalAttrs" "buildDepends" "buildTools" "extraLibraries" "pkgconfigDepends"
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"isLibrary" "isExecutable" "testDepends"
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];
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# Stuff happening after the user preferences have been processed. We remove
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# internal attributes and strip null elements from the dependency lists, all
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# in the interest of keeping hashes stable.
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postprocess =
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x : (removeAttrs x internalAttrs) // {
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buildInputs = filter (y : ! (y == null)) x.buildInputs;
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propagatedBuildInputs = filter (y : ! (y == null)) x.propagatedBuildInputs;
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propagatedUserEnvPkgs = filter (y : ! (y == null)) x.propagatedUserEnvPkgs;
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doCheck = enableCheckPhase && x.doCheck;
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hyperlinkSource = enableHyperlinkSource && x.hyperlinkSource;
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# Disable Darwin builds: <https://github.com/NixOS/nixpkgs/issues/2689>.
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meta = let meta = x.meta or {};
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hydraPlatforms = meta.hydraPlatforms or meta.platforms or [];
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noElem = p: ps: !stdenv.lib.elem p ps;
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noDarwin = p: noElem p stdenv.lib.platforms.darwin;
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in
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meta // { hydraPlatforms = filter noDarwin hydraPlatforms; };
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};
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defaults =
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self : { # self is the final version of the attribute set
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# pname should be defined by the client to be the package basename
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# version should be defined by the client to be the package version
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# fname is the internal full name of the package
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fname = "${self.pname}-${self.version}";
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# name is the external full name of the package; usually we prefix
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# all packages with haskell- to avoid name clashes for libraries;
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# if that is not desired (for applications), name can be set to
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# fname.
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name = if self.isLibrary then
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if enableLibraryProfiling && self.enableSharedLibraries then
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling-shared"
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else if enableLibraryProfiling && !self.enableSharedLibraries then
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
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else if !enableLibraryProfiling && self.enableSharedLibraries then
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-shared"
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else
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}"
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else
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"${self.pname}-${self.version}";
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# the default download location for Cabal packages is Hackage,
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# you still have to specify the checksum
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src = fetchurl {
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url = "mirror://hackage/${self.pname}/${self.fname}.tar.gz";
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inherit (self) sha256;
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};
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# default buildInputs are just ghc, if more buildInputs are required
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# buildInputs can be extended by the client by using extraBuildInputs,
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# but often propagatedBuildInputs is preferable anyway
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buildInputs = [ghc Cabal] ++ self.extraBuildInputs;
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extraBuildInputs = self.buildTools ++
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(optionals self.doCheck self.testDepends) ++
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(optional self.hyperlinkSource hscolour) ++
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(if self.pkgconfigDepends == [] then [] else [pkgconfig]) ++
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(if self.isLibrary then [] else self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends);
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# we make sure that propagatedBuildInputs is defined, so that we don't
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# have to check for its existence
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propagatedBuildInputs = if self.isLibrary then self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends else [];
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# By default, also propagate all dependencies to the user environment. This is required, otherwise packages would be broken, because
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# GHC also needs all dependencies to be available.
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propagatedUserEnvPkgs = if self.isLibrary then self.buildDepends else [];
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# library directories that have to be added to the Cabal files
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extraLibDirs = [];
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# build-depends Cabal field
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buildDepends = [];
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# target(s) passed to the cabal build phase as an argument
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buildTarget = "";
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# build-depends Cabal fields stated in test-suite stanzas
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testDepends = [];
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# target(s) passed to the cabal test phase as an argument
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testTarget = "";
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# build-tools Cabal field
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buildTools = [];
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# extra-libraries Cabal field
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extraLibraries = [];
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# pkgconfig-depends Cabal field
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pkgconfigDepends = [];
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isLibrary = ! self.isExecutable;
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isExecutable = false;
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# ignore version restrictions on the build inputs that the cabal file might specify
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jailbreak = false;
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# pass the '--enable-split-objs' flag to cabal in the configure stage
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enableSplitObjs = !stdenv.isDarwin; # http://hackage.haskell.org/trac/ghc/ticket/4013
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# pass the '--enable-tests' flag to cabal in the configure stage
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# and run any regression test suites the package might have
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doCheck = enableCheckPhase;
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# pass the '--hyperlink-source' flag to ./Setup haddock
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hyperlinkSource = enableHyperlinkSource;
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# abort the build if the configure phase detects that the package
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# depends on multiple versions of the same build input
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strictConfigurePhase = true;
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# pass the '--enable-library-vanilla' flag to cabal in the
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# configure stage to enable building shared libraries
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inherit enableStaticLibraries;
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# pass the '--enable-shared' flag to cabal in the configure
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# stage to enable building shared libraries
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inherit enableSharedLibraries;
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# pass the '--enable-executable-dynamic' flag to cabal in
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# the configure stage to enable linking shared libraries
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inherit enableSharedExecutables;
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extraConfigureFlags = [
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(enableFeature self.enableSplitObjs "split-objs")
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(enableFeature enableLibraryProfiling "library-profiling")
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(enableFeature self.enableSharedLibraries "shared")
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(optional (versionOlder "7" ghc.version) (enableFeature self.enableStaticLibraries "library-vanilla"))
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(optional (versionOlder "7.4" ghc.version) (enableFeature self.enableSharedExecutables "executable-dynamic"))
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(optional (versionOlder "7" ghc.version) (enableFeature self.doCheck "tests"))
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];
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# GHC needs the locale configured during the Haddock phase.
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LANG = "en_US.UTF-8";
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LOCALE_ARCHIVE = optionalString stdenv.isLinux "${glibcLocales}/lib/locale/locale-archive";
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# compiles Setup and configures
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configurePhase = ''
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eval "$preConfigure"
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${optionalString self.jailbreak "${jailbreakCabal}/bin/jailbreak-cabal ${self.pname}.cabal"}
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for i in Setup.hs Setup.lhs ${defaultSetupHs}; do
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test -f $i && break
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done
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ghc --make -o Setup -odir $TMPDIR -hidir $TMPDIR $i
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for p in $extraBuildInputs $propagatedNativeBuildInputs; do
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if [ -d "$p/lib/ghc-${ghc.ghc.version}/package.conf.d" ]; then
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# Haskell packages don't need any extra configuration.
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continue;
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fi
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if [ -d "$p/include" ]; then
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extraConfigureFlags+=" --extra-include-dirs=$p/include"
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fi
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for d in lib{,64}; do
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if [ -d "$p/$d" ]; then
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extraConfigureFlags+=" --extra-lib-dirs=$p/$d"
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fi
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done
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done
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${optionalString (self.enableSharedExecutables && self.stdenv.isLinux) ''
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configureFlags+=" --ghc-option=-optl=-Wl,-rpath=$out/lib/${ghc.ghc.name}/${self.pname}-${self.version}"
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''}
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${optionalString (self.enableSharedExecutables && self.stdenv.isDarwin) ''
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configureFlags+=" --ghc-option=-optl=-Wl,-headerpad_max_install_names"
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''}
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${optionalString (versionOlder "7.8" ghc.version && !self.isLibrary) ''
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configureFlags+=" --ghc-option=-j$NIX_BUILD_CORES"
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''}
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${optionalString self.stdenv.isDarwin ''
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configureFlags+=" --with-gcc=clang"
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''}
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echo "configure flags: $extraConfigureFlags $configureFlags"
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./Setup configure --verbose --prefix="$out" --libdir='$prefix/lib/$compiler' \
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--libsubdir='$pkgid' $extraConfigureFlags $configureFlags 2>&1 \
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${optionalString self.strictConfigurePhase ''
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| ${coreutils}/bin/tee "$NIX_BUILD_TOP/cabal-configure.log"
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if ${gnugrep}/bin/egrep -q '^Warning:.*depends on multiple versions' "$NIX_BUILD_TOP/cabal-configure.log"; then
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echo >&2 "*** abort because of serious configure-time warning from Cabal"
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exit 1
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fi
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''}
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eval "$postConfigure"
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'';
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# builds via Cabal
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buildPhase = ''
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eval "$preBuild"
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./Setup build ${self.buildTarget}
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export GHC_PACKAGE_PATH=$(${ghc.GHCPackages})
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test -n "$noHaddock" || ./Setup haddock --html --hoogle \
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--ghc-options=-optP-P \
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${optionalString self.hyperlinkSource "--hyperlink-source"}
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eval "$postBuild"
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'';
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checkPhase = optional self.doCheck ''
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eval "$preCheck"
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./Setup test ${self.testTarget}
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eval "$postCheck"
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'';
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# installs via Cabal; creates a registration file for nix-support
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# so that the package can be used in other Haskell-builds; also
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# adds all propagated build inputs to the user environment packages
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installPhase = ''
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eval "$preInstall"
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./Setup copy
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mkdir -p $out/bin # necessary to get it added to PATH
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local confDir=$out/lib/ghc-${ghc.ghc.version}/package.conf.d
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local installedPkgConf=$confDir/${self.fname}.installedconf
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local pkgConf=$confDir/${self.fname}.conf
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mkdir -p $confDir
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./Setup register --gen-pkg-config=$pkgConf
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if test -f $pkgConf; then
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echo '[]' > $installedPkgConf
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GHC_PACKAGE_PATH=$installedPkgConf ghc-pkg --global register $pkgConf --force
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fi
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if test -f $out/nix-support/propagated-native-build-inputs; then
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ln -s $out/nix-support/propagated-native-build-inputs $out/nix-support/propagated-user-env-packages
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fi
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${optionalString (self.enableSharedExecutables && self.isExecutable && self.stdenv.isDarwin) ''
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for exe in "$out/bin/"* ; do
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install_name_tool -add_rpath \
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$out/lib/${ghc.ghc.name}/${self.pname}-${self.version} $exe
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done
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''}
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eval "$postInstall"
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'';
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# We inherit stdenv and ghc so that they can be used
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# in Cabal derivations.
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inherit stdenv ghc;
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};
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in
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stdenv.mkDerivation (postprocess (let super = defaults self // args self;
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self = super // extension self super;
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in self));
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}
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