The equinox layering team has published
its first build which can be extracted on top of the Eclipse 3.1 M3 build.
For more details see http://dev.eclipse.org/viewcvs/indextech.cgi/~checkout~/equinox-home/downloads.html
If you find any issues with the build
please open bugs against the Equinox product at https://bugs.eclipse.org/.
If you have any questions about the layering code/build please post
to this mailing list. Thanks.