3e0ac9b040
Several changes, some highlights:
* Structure of haskell-packages.nix updated. It's now easier to
select different default versions of packages for different
versions of GHC.
* GHC 7.0.2 is now default.
* Haskell Platform 2011.2.0.0 has been added and is now default.
* Several packages have been updated
(gtk2hs, gitit, xmonad, darcs, ...).
* Some old packages have been removed.
svn path=/nixpkgs/trunk/; revision=26288
119 lines
4.6 KiB
Nix
119 lines
4.6 KiB
Nix
# generic builder for Cabal packages
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{stdenv, fetchurl, lib, ghc, enableLibraryProfiling ? false} :
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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 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 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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# 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 = "http://hackage.haskell.org/packages/archive/${self.pname}/${self.version}/${self.fname}.tar.gz";
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inherit (self) sha256;
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};
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# default buildInputs are just ghc, if more buildInputs are required
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# buildInputs can be extended by the client by using extraBuildInputs,
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# but often propagatedBuildInputs is preferable anyway
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buildInputs = [ghc] ++ self.extraBuildInputs;
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extraBuildInputs = [];
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# we make sure that propagatedBuildInputs is defined, so that we don't
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# have to check for its existence
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propagatedBuildInputs = [];
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# library directories that have to be added to the Cabal files
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extraLibDirs = [];
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libraryProfiling =
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if enableLibraryProfiling then ["--enable-library-profiling"]
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else ["--disable-library-profiling"];
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# compiles Setup and configures
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configurePhase = ''
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eval "$preConfigure"
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for i in Setup.hs Setup.lhs; do
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test -f $i && ghc --make $i
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done
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for p in $extraBuildInputs $propagatedBuildNativeInputs; do
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if [ -d "$p/include" ]; then
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extraLibDirs="$extraLibDirs --extra-include-dir=$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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extraLibDirs="$extraLibDirs --extra-lib-dir=$p/$d"
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fi
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done
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done
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./Setup configure --verbose --prefix="$out" $libraryProfiling $extraLibDirs $configureFlags
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eval "$postConfigure"
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'';
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# builds via Cabal
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buildPhase = ''
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eval "$preBuild"
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./Setup build
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export GHC_PACKAGE_PATH=$(ghc-packages)
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[ -n "$noHaddock" ] || ./Setup haddock
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eval "$postBuild"
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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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ensureDir $out/bin # necessary to get it added to PATH
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local confDir=$out/lib/ghc-pkgs/ghc-${ghc.ghc.version}
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local installedPkgConf=$confDir/${self.fname}.installedconf
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local pkgConf=$confDir/${self.fname}.conf
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ensureDir $confDir
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./Setup register --gen-pkg-config=$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 $pkgConf --force
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fi
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eval "$postInstall"
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'';
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postFixup = ''
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if test -f $out/nix-support/propagated-build-native-inputs; then
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ln -s $out/nix-support/propagated-build-native-inputs $out/nix-support/propagated-user-env-packages
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fi
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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 stdenv.mkDerivation ((rec { f = defaults f // args f; }).f);
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}
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