sudo <Xcode>/Library/uninstall-devtools --mode=all
where <Xcode>
is the path to the Developer folder (the one with 'Xcode 3.2.5' in it)
This won't affect the 'Xcode 4.0.2' installation since it's in a completely different folder.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…