Added Dart SDK M4

pkgs/development/interpreters/dart/default.nix

@@ -0,0 +1,37 @@
+{ stdenv, fetchurl }:
+ 
+assert stdenv.system == "x86_64-linux" || stdenv.system == "i686-linux";
+
+stdenv.mkDerivation {
+  name = "dart-0.4";
+ 
+  installPhase = ''
+    mkdir -p $out
+    cp -R * $out/
+    echo $libPath
+    patchelf --interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
+             --set-rpath $libPath \
+             $out/bin/dart
+    mv $out/bin/dart2js $out/bin/.dart2js
+    echo "#!/bin/sh" > $out/bin/dart2js
+    echo "$out/bin/.dart2js \$*" >> $out/bin/dart2js
+    chmod +x $out/bin/dart2js
+  '';
+  
+  
+  src =
+    if stdenv.system == "x86_64-linux" then
+     fetchurl {
+       url = https://storage.googleapis.com/dart-editor-archive-integration/latest/dartsdk-linux-64.tar.gz;
+       sha256 = "1riwxxczskfsaax7n03m7isnbxf3walky0cac1w8j5apr1xvg5ma";
+      }
+    else
+     fetchurl {
+       url = https://storage.googleapis.com/dart-editor-archive-integration/latest/dartsdk-linux-32.tar.gz;
+       sha256 = "00935c4vxfj2h3x354g75qdazswwissbwc7kj5k05l1m3lizikf6";
+      };
+ 
+  libPath = stdenv.lib.makeLibraryPath [ stdenv.gcc.gcc ];
+ 
+  dontStrip = true;
+}

pkgs/top-level/all-packages.nix

@@ -9194,4 +9194,8 @@ let
 
   bullet = callPackage ../development/libraries/bullet {};
 
+  dart = import ../development/interpreters/dart {
+    inherit stdenv fetchurl;
+  };
+
 }; in pkgs