diff -up ./build.xml.junit ./build.xml
--- ./build.xml.junit	2013-04-29 15:06:12.423790515 +0200
+++ ./build.xml	2013-04-29 15:07:09.442166774 +0200
@@ -250,7 +250,7 @@
   <target name="-setup" depends="-dynamic-properties">
     <path id="compile-test.path">
       <path id="test.libs">
-        <fileset dir="lib">
+        <fileset dir="/usr/share/java">
           <include name="junit.jar"/>
         </fileset>
         <fileset dir="lib/test"/>
@@ -441,7 +441,7 @@ osname=macosx;processor=x86;processor=x8
     <subant target="jar" failonerror="true">
       <property name="file.reference.jna.build" location="${build}"/>
       <property name="file.reference.jna.jar" location="${build}/${jar}"/>
-      <property name="libs.junit.classpath" location="lib/junit.jar"/>
+      <property name="libs.junit.classpath" location="/usr/share/java/junit.jar"/>
       <property name="javac.source" value="${platform.compatibility}"/>
       <property name="javac.target" value="${platform.compatibility}"/>
       <fileset dir="${contrib}" includes="platform/build.xml" />
@@ -456,7 +456,7 @@ osname=macosx;processor=x86;processor=x8
     <subant target="jar" failonerror="true">
       <property name="file.reference.jna.build" location="${build}"/>
       <property name="file.reference.jna.jar" location="${build}/${jar}"/>
-      <property name="libs.junit.classpath" location="lib/junit.jar"/>
+      <property name="libs.junit.classpath" location="/usr/share/java/junit.jar"/>
       <fileset dir="${contrib}" includes="*/build.xml" excludes="platform/build.xml"/>
     </subant>
   </target>
@@ -734,7 +734,7 @@ osname=macosx;processor=x86;processor=x8
     <mkdir dir="${build}/jws"/>
     <copy todir="${build}/jws" file="${build}/${jar}"/>
     <copy todir="${build}/jws" file="${build}/${testjar}"/>
-    <copy todir="${build}/jws" file="lib/junit.jar"/>
+    <copy todir="${build}/jws" file="/usr/share/java/junit.jar"/>
     <copy todir="${build}/jws" file="lib/clover.jar"/>
     <jar jarfile="${build}/jws/jnidispatch.jar">
       <fileset dir="${build.native}" includes="*jnidispatch.*"/>
@@ -845,7 +845,7 @@ osname=macosx;processor=x86;processor=x8
     <subant target="test" failonerror="true">
       <property name="file.reference.jna.build" location="${build}"/>
       <property name="file.reference.jna.jar" location="${build}/${jar}"/>
-      <property name="libs.junit.classpath" location="lib/junit.jar"/>
+      <property name="libs.junit.classpath" location="/usr/share/java/junit.jar"/>
       <property name="javac.source" value="${test.compatibility}"/>
       <property name="javac.target" value="${test.compatibility}"/>
       <fileset dir="${contrib}" includes="platform/build.xml"/>