The scripts here are intended to build our product from the command line.

http://knol.google.com/k/automating-eclipse-pde-build
http://help.eclipse.org/ganymede/index.jsp?nav=/4_2_0

The assoicated build.xml and build.properties files do compile the product.  Unfortunately, the resulting contains of the result are unexpected. We see neither eclipse.ini nor the platform specific bits.