2008-01-22 16:26:57 +00:00
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# generic builder for Cabal packages
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2013-04-19 08:31:08 +00:00
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{ stdenv, fetchurl, lib, pkgconfig, ghc, Cabal, jailbreakCabal
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, enableLibraryProfiling ? false
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, enableCheckPhase ? true
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}:
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# The Cabal library shipped with GHC versions older than 7.x doesn't accept the --enable-tests configure flag.
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assert enableCheckPhase -> stdenv.lib.versionOlder "7" ghc.ghcVersion;
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2008-01-22 16:26:57 +00:00
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{
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mkDerivation =
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2011-03-12 17:28:15 +00:00
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args : # arguments for the individual package, can modify the defaults
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2011-08-08 14:12:07 +00:00
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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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2013-02-24 20:15:25 +00:00
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"isLibrary" "isExecutable" "testDepends"
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2011-08-08 14:12:07 +00:00
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];
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2011-08-09 14:55:53 +00:00
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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 = stdenv.lib.filter (y : ! (y == null)) x.buildInputs;
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propagatedBuildInputs = stdenv.lib.filter (y : ! (y == null)) x.propagatedBuildInputs;
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2013-04-19 08:31:08 +00:00
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doCheck = enableCheckPhase && x.doCheck;
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2011-08-09 14:55:53 +00:00
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};
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2011-08-08 14:12:07 +00:00
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defaults =
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2011-03-12 17:28:15 +00:00
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self : { # self is the final version of the attribute set
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2008-01-22 16:26:57 +00:00
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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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2010-01-05 15:17:17 +00:00
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2008-01-22 16:26:57 +00:00
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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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2010-01-05 15:17:17 +00:00
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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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2011-08-08 14:12:07 +00:00
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name = if self.isLibrary then
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if enableLibraryProfiling then
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
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else
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"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}"
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2010-04-27 16:35:01 +00:00
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else
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2011-08-08 14:12:07 +00:00
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"${self.pname}-${self.version}";
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2008-01-22 16:26:57 +00:00
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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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2010-04-27 16:34:56 +00:00
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src = fetchurl {
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2012-12-15 22:34:49 +00:00
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# cannot use mirrors system because of subtly different directory structures
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urls = ["http://hackage.haskell.org/packages/archive/${self.pname}/${self.version}/${self.fname}.tar.gz"
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"http://hdiff.luite.com/packages/archive/${self.pname}/${self.fname}.tar.gz"];
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2008-01-22 16:26:57 +00:00
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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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2008-01-22 21:10:19 +00:00
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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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2012-02-16 14:05:01 +00:00
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buildInputs = [ghc Cabal] ++ self.extraBuildInputs;
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2011-08-08 14:12:07 +00:00
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extraBuildInputs = self.buildTools ++
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2013-02-24 20:15:25 +00:00
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(stdenv.lib.optionals self.doCheck self.testDepends) ++
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2011-08-08 14:12:07 +00:00
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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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2008-01-22 16:26:57 +00:00
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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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2011-08-08 14:12:07 +00:00
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propagatedBuildInputs = if self.isLibrary then self.buildDepends ++ self.extraLibraries ++ self.pkgconfigDepends else [];
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2008-01-22 16:26:57 +00:00
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# library directories that have to be added to the Cabal files
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2010-01-04 07:44:32 +00:00
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extraLibDirs = [];
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2008-01-22 16:26:57 +00:00
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2011-08-08 14:12:07 +00:00
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# build-depends Cabal field
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buildDepends = [];
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2013-02-24 20:15:25 +00:00
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# build-depends Cabal fields stated in test-suite stanzas
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testDepends = [];
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2011-08-08 14:12:07 +00:00
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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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2013-02-18 11:32:15 +00:00
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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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2013-04-23 13:03:46 +00:00
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enableSplitObjs = !( stdenv.isDarwin # http://hackage.haskell.org/trac/ghc/ticket/4013
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|| stdenv.lib.versionOlder "7.6.99" ghc.ghcVersion # -fsplit-ojbs is broken in 7.7 snapshot
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);
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2013-02-18 11:32:15 +00:00
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2013-02-24 20:15:43 +00:00
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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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2013-04-19 08:31:08 +00:00
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doCheck = enableCheckPhase;
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2013-02-24 20:15:43 +00:00
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2013-02-24 20:14:01 +00:00
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extraConfigureFlags = [
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(stdenv.lib.enableFeature enableLibraryProfiling "library-profiling")
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(stdenv.lib.enableFeature self.enableSplitObjs "split-objs")
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2013-03-11 11:25:53 +00:00
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] ++ stdenv.lib.optional (stdenv.lib.versionOlder "7" ghc.ghcVersion) (stdenv.lib.enableFeature self.doCheck "tests");
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2013-02-18 11:32:15 +00:00
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2009-04-21 21:05:30 +00:00
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# compiles Setup and configures
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2008-01-22 16:26:57 +00:00
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configurePhase = ''
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eval "$preConfigure"
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2013-02-18 11:32:15 +00:00
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${lib.optionalString self.jailbreak "${jailbreakCabal}/bin/jailbreak-cabal ${self.pname}.cabal"}
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2013-02-24 18:27:08 +00:00
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2012-09-11 14:53:48 +00:00
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for i in Setup.hs Setup.lhs; do
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2008-01-22 16:26:57 +00:00
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test -f $i && ghc --make $i
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done
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2010-01-04 07:44:32 +00:00
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2012-12-28 18:20:09 +00:00
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for p in $extraBuildInputs $propagatedNativeBuildInputs; do
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2010-07-22 18:04:39 +00:00
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if [ -d "$p/include" ]; then
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2013-02-24 20:14:01 +00:00
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extraConfigureFlags+=" --extra-include-dir=$p/include"
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2010-07-22 18:04:39 +00:00
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fi
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2010-01-04 07:44:32 +00:00
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for d in lib{,64}; do
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2010-07-22 18:04:39 +00:00
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if [ -d "$p/$d" ]; then
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2013-02-24 20:14:01 +00:00
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extraConfigureFlags+=" --extra-lib-dir=$p/$d"
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2010-01-04 07:44:32 +00:00
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fi
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done
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done
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2013-02-24 20:14:01 +00:00
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echo "configure flags: $extraConfigureFlags $configureFlags"
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./Setup configure --verbose --prefix="$out" $extraConfigureFlags $configureFlags
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2008-01-22 16:26:57 +00:00
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eval "$postConfigure"
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'';
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# builds via Cabal
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buildPhase = ''
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eval "$preBuild"
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./Setup build
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2010-01-05 15:17:17 +00:00
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export GHC_PACKAGE_PATH=$(ghc-packages)
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2011-03-12 17:28:15 +00:00
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[ -n "$noHaddock" ] || ./Setup haddock
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2010-01-05 15:17:17 +00:00
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2008-01-22 16:26:57 +00:00
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eval "$postBuild"
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'';
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2013-02-24 20:48:36 +00:00
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checkPhase = stdenv.lib.optional self.doCheck ''
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eval "$preCheck"
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2013-02-24 18:27:08 +00:00
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2013-02-24 20:48:36 +00:00
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./Setup test
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2013-02-24 18:27:08 +00:00
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2013-02-24 20:48:36 +00:00
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eval "$postCheck"
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2013-02-24 18:27:08 +00:00
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'';
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2010-01-05 15:17:17 +00:00
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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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2008-01-22 16:26:57 +00:00
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installPhase = ''
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eval "$preInstall"
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./Setup copy
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2009-04-25 14:23:00 +00:00
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ensureDir $out/bin # necessary to get it added to PATH
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2010-04-27 16:34:56 +00:00
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local confDir=$out/lib/ghc-pkgs/ghc-${ghc.ghc.version}
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2009-04-25 14:23:00 +00:00
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local installedPkgConf=$confDir/${self.fname}.installedconf
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local pkgConf=$confDir/${self.fname}.conf
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2009-04-18 20:24:36 +00:00
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ensureDir $confDir
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2009-04-25 14:23:00 +00:00
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./Setup register --gen-pkg-config=$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 $pkgConf --force
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fi
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2009-04-20 14:23:50 +00:00
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2008-01-22 16:26:57 +00:00
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eval "$postInstall"
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'';
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2010-01-12 10:18:00 +00:00
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2010-10-12 07:26:45 +00:00
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postFixup = ''
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2012-12-28 18:20:09 +00:00
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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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2010-10-12 07:26:45 +00:00
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fi
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'';
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2010-01-12 10:18:00 +00:00
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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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2010-04-27 16:34:56 +00:00
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inherit stdenv ghc;
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2008-01-22 16:26:57 +00:00
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};
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2011-08-09 14:55:53 +00:00
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in stdenv.mkDerivation (postprocess ((rec { f = defaults f // args f; }).f)) ;
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2010-01-05 15:17:17 +00:00
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}
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