FWIW i've now added an Ant build.xml to the helloworld sample at: https://svn.apache.org/repos/asf/tuscany/sca-java-2.x/trunk/unreleased/samples/helloworld-contribution/.
That build does not use jars from a binary distribution but instead the build script downloads the necessary jars itself. Note that earlier in this now very long thread there was some agreement to _not_ include Ant builds in each sample but to perhaps have separate sample(s) dedicated to how to use Tuscany with Ant. ...ant
