This is NOT a question about linking source in eclipse java project
Is it possible to add an external folder named \"src\" in eclipse as the source
It is somewhat ugly, but you can create a hardlink in your filesystem. In the Windows command line, use mklink /H src d:\path\to\external\src.
mklink /H src d:\path\to\external\src
I know that the following will hardly be useful, but: Think of a different approach.