Thanks for your reply I've tried with setenvironment.bat amd64 setenvironment.bat x64 setenvironment.bat I don't find any setenvironment64.bat Bruno -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Problem-Compiling-FDO-in-64-bit-tp5031141p5034605.html Sent from the FDO Users mailing list archive at Nabble.com.