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copied!<p>Eclipse projects depend on each other by virtue of the checkbox in the project's properties (dependent projects?) which is how Eclipse decides which to build. You can set this yourself, but it's usually set when you change your Java build path. It stores the data in the .project file IIRC so once you've gone through the GUI and seen what changes, you can be more flexible in how you apply the others.</p> <p>However, it sounds like you want to mix and match Jars and Bundles. The easy way to do that is just treat all projects as Java projects. In the PDE project, you can actually go in and tweak the Java build path; it'll complain and say that it isn't the right way to do it, but it will allow you to have a PDE project depend on a Java project without all that fluffy JARing up. Having said that, it wouldn't surprise me if there were runtime problems with this approach - the PDE runtime is likely to not see it that way.</p> <p>The other approach is to make your JARs themselves PDE/OSGi bundles. After all, an OSGi bundle is nothing more than a JAR with a bit of extra cruft in the Manifest, and it will let you develop and assemble your projects trivially using automatic dependency management. That's probably the easiest one to go for, even if you don't really need the manifest to be present in your bundles. But doing this will mean your PDE app can be shipped with a more modular approach instead of embedding the libraries in each plugin as necessary.</p> <p>So, PDE can generate OSGi bundles, and that's just another name for JAR + Manifest stuff. You can use a JAR in exactly the same way in other environments (e.g. for your EAR or other client uses) and you can take advantage of the OSGi layer in your app. There's really no reason not to do this given the type of hybrid bundle that you're talking about.</p>

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