Hi, I'm trying to compile 1_32 on OSX with the latest gcc (GCC) 3.3 20030304 (Apple Computer, Inc. build 1666) however, while the debug version compile in just a few minutes, the 'release' start trashing on : libs/serialization/src/xml_grammar.cpp libs/serialization/src/xml_wgrammar.cpp in effect the compilation takes all the memory and then pages endlessly for hours, bringing the machine down to its knees. my compile command is: sudo bjam -sTOOLS=darwin "-sBUILD=release <threading>multi <define>BOOST_SIGNALS_NAMESPACE=Signals " install where the <define> is for Qt, Anybody has a clue why this is happaning and how to get the compilation to complete (other then copy the two .o from the debug tree into the release tree ? thanks Yarden