diff --git a/js/rhino/build.xml b/js/rhino/build.xml
index fb992f807e35..9f53d26367dd 100644
--- a/js/rhino/build.xml
+++ b/js/rhino/build.xml
@@ -4,7 +4,7 @@
 Build file for Rhino using Ant (see http://jakarta.apache.org/ant/index.html)
 Requires Ant version 1.2
 -->
-<project name="Rhino" default="package" basedir=".">
+<project name="Rhino" default="default" basedir=".">
 
   <target name="properties">
     <property name="name" value="rhino"/>
@@ -66,6 +66,12 @@ Requires Ant version 1.2
          manifest="${src.dir}/manifest" />
   </target>
   
+  <target name="jar-src" depends="compile-src">
+    <jar jarfile="${dist.dir}/${rhino.jar}" 
+         basedir="${build.dest}"
+         manifest="${src.dir}/manifest" />
+  </target>
+  
   <target name="copy-examples" depends="prepare">
     <copy todir="${dist.examples}">
       <fileset dir="${src.examples}" includes="*.java,*.js,*.html" />
@@ -108,7 +114,7 @@ Requires Ant version 1.2
              windowtitle="${Name}" />
   </target>
 
-  <target name="package" depends="copy-all,jar">
+  <target name="build-dist" depends="copy-all,jar">
     <delete file="${dist.file}" />
     <zip zipfile="${dist.file}"
          basedir="${build.dir}" 
@@ -116,4 +122,9 @@ Requires Ant version 1.2
          excludes="classes/**" />
   </target>
 
+  <target name="default">
+    <echo message="Building core only; for full distribution build, try 'ant build-dist'"/>
+    <antcall target="jar-src"/>
+  </target>
+  
 </project>