By default, preprocessing is turned on automatically when you create or import a BlackBerry® application project (you must restart Eclipse). You can turn on preprocessing for your applications manually by updating the Eclipse configuration file.

1. Browse to .../BBEclipse/configuration, open the config.ini file.
2. Add the following line to the config.ini file:
   • osgi.framework.extensions=reference\:file\:net.rim.ejde.preprocessing.hook_1.3.0.<ver>/

After you finish:

If you turn on preprocessing after you build a project, on the Project menu, you must clean the project before you build the project again.