I would like to build qwt out of source so that I can have 1 source and build it for 32 bit and 64 bit for Visual Studio 2005 and Visual Studio 2008 similar to what I do will all of my cmake based libraries so that I can easily integrate qwt into my build process and folder structure. Is there an easy way to get out of source builds with QMake? I have looked at the qmake documentation and I have done some google searching but I can't find what I want.