Major Description
In samples\common_build.xml, the java verification is wrong. It just check if java version is equals, but, must be > 1.5. A simple way to solve this is doing something like this.
<condition property="is.java.version.15">
<or>
<equals arg1="${ant.java.version}" arg2="1.5"/>
<equals arg1="${ant.java.version}" arg2="1.6"/>
</or>
</condition>