I’m answering your “another interesting question”.
In Eclipse there is a Feature called ‘Delta Pack’ which makes Eclipse able to export RCP applications into different platforms than the Eclipse you’re looking at. It knows how to make 32/64 bits too.
But it has disadvantages:
1.) It’s somewhat slow to export (a half minute maybe)
2.) You have to debug your application via Remote Java Application debugging (on localhost probably)
I’m not sure about the second point; I was fixing a UI bug which only appeared on Ubuntu exports so I had to debug it on a virtual-machine as a Remote app.
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