Removing third party jars from gwt-servlet.jar.

Review at http://gwt-code-reviews.appspot.com/1047802

Review by: jat@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9136 8db76d5a-ed1c-0410-87a9-c151d255dfc7

servlet/build.xml

diff --git a/servlet/build.xml b/servlet/build.xml
index 6440445..5a90138 100755
--- a/servlet/build.xml
+++ b/servlet/build.xml
@@ -7,7 +7,18 @@
   <property.ensure name="gwt.user.build" location="${gwt.build.out}/user" />
   <property.ensure name="gwt.user.bin" location="${gwt.user.build}/bin" />
 
-  <target name="build" description="Packages this project into a jar">
+  <property name="project.lib.deps"
+      location="${gwt.build.lib}/gwt-${ant.project.name}-deps.jar" />
+
+  <target name="build" description="Packages this project into a jar"
+      depends="-servlet, -deps" />
+
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete file="${project.lib}" />
+    <delete file="${project.lib.deps}" />
+  </target>
+
+  <target name="-servlet" description="Packages this project into a jar">
     <mkdir dir="${gwt.build.lib}" />
     <gwt.jar>
       <fileset dir="${gwt.user.bin}">
@@ -21,13 +32,15 @@
         <exclude name="com/google/gwt/junit/server/**" />
         <exclude name="com/google/gwt/benchmarks/*" />
       </fileset>
+    </gwt.jar>
+  </target>
+
+  <target name="-deps" description="Packages this project's dependencies into a jar">
+    <mkdir dir="${gwt.build.lib}" />
+    <gwt.jar destfile="${project.lib.deps}">
       <!-- The following two jars satisfy RequestFactory dependencies. -->
       <zipfileset src="${gwt.tools.redist}/json/r2_20080312/json-1.5.jar" />
       <zipfileset src="${gwt.tools.lib}/javax/validation/validation-api-1.0.0.GA.jar" />
     </gwt.jar>
   </target>
-
-  <target name="clean" description="Cleans this project's intermediate and output files">
-    <delete file="${project.lib}" />
-  </target>
 </project>