Thanks Rutger, >On win32 there are 4 files that need to be compiled from .java. The >rest work from .class. >>/org/eclipse/swt/dnd/RTFTransfer.java >/org/eclipse/swt/dnd/TextTransfer.java >/org/eclipse/swt/graphics/ImageLoader.java >/org/eclipse/swt/ole/win32/OleClientSite.java So are you saying that I can compile the entirety of SWT 3.0 from source without problems on MingW gcj 3.4? -- Mohan http://www.thisiscool.com/ http://www.animalsong.org/