Did you install nasm and is it in the PATH environment variable? http://www.nasm.us/ Your output says it's trying to find the nasm executable - Jackie -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Self-Build-FDO-3-6-fail-tp3887987p4352543.html Sent from the FDO Internals mailing list archive at Nabble.com.