Steve Hildebrandt wrote on ma, 10 nov 2014: > How oder where is the addres size for the current compiler target defined? See the last three entries in table G.2. at http://www.freepascal.org/docs-html/prog/progap7.html Alternatively, you can use {$if sizeof(pointer)=8} <64 bit pointers> {$elseif sizeof(pointer)=4} <32 bit pointer> etc... Jonas