Make rigsofrods build the latest code.

I add angelscript 2.22 too, as it makes RoR happy.

pkgs/development/interpreters/angelscript/2.22.nix

@@ -0,0 +1,44 @@
+{stdenv, fetchurl, unzip}:
+let
+  s = # Generated upstream information
+  rec {
+    baseName="angelscript";
+    version = "2.22.2";
+    name="${baseName}-${version}";
+    url="http://www.angelcode.com/angelscript/sdk/files/angelscript_${version}.zip";
+    sha256 = "1pp853lbnz383ilp9wbgc3wv1dn7lpx3idz8dmzda94rckl7sd43";
+  };
+  buildInputs = [
+    unzip
+  ];
+in
+stdenv.mkDerivation {
+  inherit (s) name version;
+  inherit buildInputs;
+  src = fetchurl {
+    inherit (s) url sha256;
+  };
+  preConfigure = ''
+    cd angelscript/projects/gnuc
+    sed -i makefile -e "s@LOCAL = .*@LOCAL = $out@"
+    export SHARED=1 
+    export VERSION="${s.version}"
+    mkdir -p "$out/lib" "$out/bin" "$out/share" "$out/include"
+  '';
+  postBuild = ''
+    rm ../../lib/*
+  '';
+  postInstall = ''
+    mkdir -p "$out/share/docs/angelscript"
+    cp -r ../../../docs/* "$out/share/docs/angelscript"
+  '';
+  meta = {
+    inherit (s) version;
+    description = "Light-weight scripting library";
+    license = stdenv.lib.licenses.zlib ;
+    maintainers = [stdenv.lib.maintainers.raskin];
+    platforms = stdenv.lib.platforms.linux;
+    downloadPage = "http://www.angelcode.com/angelscript/downloads.html";
+    homepage="http://www.angelcode.com/angelscript/";
+  };
+}