diff --git a/pkgs/development/libraries/java/rhino/default.nix b/pkgs/development/libraries/java/rhino/default.nix
new file mode 100644
index 000000000000..300266fff5c0
--- /dev/null
+++ b/pkgs/development/libraries/java/rhino/default.nix
@@ -0,0 +1,56 @@
+{ fetchurl, stdenv, unzip, ant, javac, jvm }:
+
+let
+  version = "1.7R2";
+  options = "-Dbuild.compiler=gcj";   # FIXME: We assume GCJ here.
+
+  xbeans  = fetchurl {
+    url = "http://www.apache.org/dist/xmlbeans/binaries/xmlbeans-2.2.0.zip";
+    sha256 = "1pb08d9j81d0wz5wj31idz198iwhqb7mch872n08jh1354rjlqwk";
+  };
+in
+  stdenv.mkDerivation {
+    name = "rhino-${version}";
+
+    src = fetchurl {
+      url = "ftp://ftp.mozilla.org/pub/mozilla.org/js/rhino1_7R2.zip";
+      sha256 = "1p32hkghi6bkc3cf2dcqyaw5cjj7403mykcp0fy8f5bsnv0pszv7";
+    };
+
+    patches = [ ./gcj-type-mismatch.patch ];
+
+    preConfigure =
+      '' find -name \*.jar -or -name \*.class -exec rm -v {} \;
+
+         # The build process tries to download it by itself.
+         ensureDir "build/tmp-xbean"
+         ln -sv "${xbeans}" "build/tmp-xbean/xbean.zip"
+      '';
+
+    buildInputs = [ unzip ant javac jvm ];
+
+    buildPhase = "ant ${options} jar";
+    doCheck    = false;
+
+    # FIXME: Install javadoc as well.
+    installPhase =
+      '' ensureDir "$out/lib/java"
+         cp -v *.jar "$out/lib/java"
+      '';
+
+    meta = {
+      description = "Mozilla Rhino: JavaScript for Java";
+
+      longDescription =
+        '' Rhino is an open-source implementation of JavaScript written
+           entirely in Java.  It is typically embedded into Java applications
+           to provide scripting to end users.
+        '';
+
+      homepage = http://www.mozilla.org/rhino/;
+
+      licenses = [ "MPLv1.1" /* or */ "GPLv2+" ];
+
+      maintainers = [ stdenv.lib.maintainers.ludo ];
+    };
+  }
diff --git a/pkgs/development/libraries/java/rhino/gcj-type-mismatch.patch b/pkgs/development/libraries/java/rhino/gcj-type-mismatch.patch
new file mode 100644
index 000000000000..dac7b209069a
--- /dev/null
+++ b/pkgs/development/libraries/java/rhino/gcj-type-mismatch.patch
@@ -0,0 +1,103 @@
+Work around GCJ bug #35410:
+http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35410 .
+
+diff --git a/src/org/mozilla/javascript/Arguments.java b/src/org/mozilla/javascript/Arguments.java
+index d914294..d658f12 100644
+--- a/src/org/mozilla/javascript/Arguments.java
++++ b/src/org/mozilla/javascript/Arguments.java
+@@ -144,7 +144,7 @@ final class Arguments extends IdScriptableObject
+                 synchronized (this) {
+                     if (args[index] != NOT_FOUND) {
+                         if (args == activation.originalArgs) {
+-                            args = args.clone();
++                            args = (Object[]) args.clone();
+                         }
+                         args[index] = value;
+                         return;
+@@ -162,7 +162,7 @@ final class Arguments extends IdScriptableObject
+             synchronized (this) {
+                 if (args[index] != NOT_FOUND) {
+                     if (args == activation.originalArgs) {
+-                        args = args.clone();
++                        args = (Object[]) args.clone();
+                     }
+                     args[index] = NOT_FOUND;
+                     return;
+diff --git a/src/org/mozilla/javascript/FunctionObject.java b/src/org/mozilla/javascript/FunctionObject.java
+index 1d6c752..3adc100 100644
+--- a/src/org/mozilla/javascript/FunctionObject.java
++++ b/src/org/mozilla/javascript/FunctionObject.java
+@@ -455,7 +455,7 @@ public class FunctionObject extends BaseFunction
+                     Object converted = convertArg(cx, scope, arg, typeTags[i]);
+                     if (arg != converted) {
+                         if (invokeArgs == args) {
+-                            invokeArgs = args.clone();
++                            invokeArgs = (Object[]) args.clone();
+                         }
+                         invokeArgs[i] = converted;
+                     }
+diff --git a/src/org/mozilla/javascript/Interpreter.java b/src/org/mozilla/javascript/Interpreter.java
+index f7f544d..e125e2f 100644
+--- a/src/org/mozilla/javascript/Interpreter.java
++++ b/src/org/mozilla/javascript/Interpreter.java
+@@ -285,9 +285,9 @@ public class Interpreter implements Evaluator
+             // clone stack but keep varSource to point to values
+             // from this frame to share variables.
+ 
+-            copy.stack = stack.clone();
+-            copy.stackAttributes = stackAttributes.clone();
+-            copy.sDbl = sDbl.clone();
++            copy.stack = (Object[]) stack.clone();
++            copy.stackAttributes = (int[]) stackAttributes.clone();
++            copy.sDbl = (double[]) sDbl.clone();
+ 
+             copy.frozen = false;
+             return copy;
+diff --git a/src/org/mozilla/javascript/NativeJavaClass.java b/src/org/mozilla/javascript/NativeJavaClass.java
+index f72f9e7..25c6757 100644
+--- a/src/org/mozilla/javascript/NativeJavaClass.java
++++ b/src/org/mozilla/javascript/NativeJavaClass.java
+@@ -271,7 +271,7 @@ public class NativeJavaClass extends NativeJavaObject implements Function
+                 Object x = Context.jsToJava(arg, argTypes[i]);
+                 if (x != arg) {
+                     if (args == origArgs) {
+-                        args = origArgs.clone();
++                        args = (Object[]) origArgs.clone();
+                     }
+                     args[i] = x;
+                 }
+diff --git a/src/org/mozilla/javascript/NativeJavaMethod.java b/src/org/mozilla/javascript/NativeJavaMethod.java
+index b6eaf8b..dc699a0 100644
+--- a/src/org/mozilla/javascript/NativeJavaMethod.java
++++ b/src/org/mozilla/javascript/NativeJavaMethod.java
+@@ -213,7 +213,7 @@ public class NativeJavaMethod extends BaseFunction
+                 Object coerced = Context.jsToJava(arg, argTypes[i]);
+                 if (coerced != arg) {
+                     if (origArgs == args) {
+-                        args = args.clone();
++                        args = (Object[]) args.clone();
+                     }
+                     args[i] = coerced;
+                 }
+diff --git a/src/org/mozilla/javascript/regexp/NativeRegExp.java b/src/org/mozilla/javascript/regexp/NativeRegExp.java
+index 0bae489..f7124bf 100644
+--- a/src/org/mozilla/javascript/regexp/NativeRegExp.java
++++ b/src/org/mozilla/javascript/regexp/NativeRegExp.java
+@@ -2168,7 +2168,7 @@ System.out.println("Testing at " + gData.cp + ", op = " + op);
+                     // XXX: If backTrackData will no longer be used, then
+                     // there is no need to clone backTrackData.parens
+                     if (backTrackData.parens != null) {
+-                        gData.parens = backTrackData.parens.clone();
++                        gData.parens = (long[]) backTrackData.parens.clone();
+                     }
+ 
+                     gData.cp = backTrackData.cp;
+@@ -2708,7 +2708,7 @@ class REBackTrackData {
+         continuation_pc = pc;
+         lastParen = gData.lastParen;
+         if (gData.parens != null) {
+-            parens = gData.parens.clone();
++            parens = (long[]) gData.parens.clone();
+         }
+         cp = gData.cp;
+         stateStackTop = gData.stateStackTop;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bd8cd2a2a167..5f758259041b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4366,6 +4366,13 @@ let
   };
   redland_1_0_8 = redland.passthru.function { version = "1.0.8"; };
 
+  rhino = import ../development/libraries/java/rhino {
+    inherit fetchurl stdenv unzip;
+    ant = apacheAntGcj;
+    javac = gcj;
+    jvm = gcj;
+  };
+
   rte = import ../development/libraries/rte {
     inherit fetchurl stdenv;
   };