This patch eliminates the need for providing "xjavac", which saves building a

package for the unmaintained "xerces-tools".

Taken from https://anonscm.debian.org/viewvc/pkg-java/trunk/libxerces2-java/debian/patches/01_xjavac_taskdef.patch?revision=14507

Index: b/build.xml

===================================================================

--- a/build.xml

+++ b/build.xml

@@ -39,7 +39,7 @@

   <property name="tools.dir" value="./tools"/>

   <!-- enable compilation under JDK 1.4 and above -->

-  <taskdef name="xjavac" classname="org.apache.xerces.util.XJavac">

+  <taskdef name="xjavac" classname="org.apache.tools.ant.taskdefs.Javac">

     <classpath>

       <pathelement location="${tools.dir}/bin/xjavac.jar"/>

     </classpath>

@@ -291,7 +291,7 @@

            source="${javac.source}"

            target="${javac.target}"

            classpath="${build.dir}/classes:${tools.dir}/${jar.apis}:${tools.dir}/${jar.resolver}:${tools.dir}/${jar.serializer}"

-           debug="${debug}"

+           debug="${debug}" nowarn="true"

            debuglevel="${debuglevel}"

            deprecation="${deprecation}"

            optimize="${optimize}"

@@ -359,7 +359,7 @@

            source="${javac.source}"

            target="${javac.target}"

            classpath="${build.dir}/classes:${tools.dir}/${jar.apis}"

-           debug="${debug}"

+           debug="${debug}" nowarn="true"

            debuglevel="${debuglevel}"

            includeAntRuntime="false"

            includeJavaRuntime="true"/>

@@ -379,7 +379,7 @@

            source="${javac.source}"

            target="${javac.target}"

            classpath="${tools.dir}/${jar.apis}:${build.dir}/classes:./tools/junit.jar"

-           debug="${debug}"

+           debug="${debug}" nowarn="true"

            debuglevel="${debuglevel}"

            includeAntRuntime="false"

            includeJavaRuntime="true"/>