The Virgo Tools are build with Maven/Tycho:
$ mvn clean verify
Download Eclipse IDE "Eclipse IDE for Java EE Developers".
Add SWTBot [https://wiki.eclipse.org/SWTBot] (Update site: http://download.eclipse.org/technology/swtbot/releases/latest/)
If you are a committer clone the Virgo Tooling from repository
$ git clone ssh://<commiterid>@git.eclipse.org/gitroot/virgo/org.eclipse.virgo.ide.git
or use the anonymous URL otherwise:
$ git clone git://git.eclipse.org/gitroot/virgo/org.eclipse.virgo.ide.git
Use the Eclipse command "Import existing Maven project", select the root folder of the git repository and import the projects into your IDE.
Set MarsTargetPlatform.target
as target definition and you should be ready to go.
If you have any trouble following this instructions please do not hesitate to contact the Virgo developers via the Virgo Project Mailinglist: virgo-dev@eclipse.org.