added hsc2hs (makes interfacing C -> haskell easier)

svn path=/nixpkgs/trunk/; revision=11248

pkgs/development/tools/documentation/hs2hs/default.nix

@@ -0,0 +1,26 @@
+#TODO write a function (abstraction)
+args: with args;
+args.stdenv.mkDerivation {
+  name = "hsc2hs-darcs";
+
+  src = bleedingEdgeRepos.sourceByName "hsc2hs";
+
+  phases = "unpackPhase buildPhase";
+
+  buildPhase  = ''
+    ghc --make Setup.*hs -o setup
+    ensureDir \out
+     nix_ghc_pkg_tool join local-pkg-db
+    ./setup configure --prefix=$out --package-db=local-pkg-db
+    ./setup build
+    ./setup install
+  '';
+
+  buildInputs = (with args; [ghc] ++ libs);
+
+  meta = {
+      description = "automate some parts of the process of writing Haskell bindings to C code";
+      homepage = http://www.flapjax-lang.org/;
+      license = "BSD3";
+  };
+}