Hi John, (I don't know if you get this but anyway). If I define & enable a log in a .lib but use it in a .dll somewhere else in the app (via declare in a .hpp file), I don't get no output from the dll: app.exe / \ log.lib stuff.dll (Compiles/links fine and the exe has output - but the dll has not.) Somehow, I want to avoid having a 'DECLARE + setup_logging' in all my dlls. Am I missing something? Best wishes, Dirk Griffioen ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, any disclosure, copying, use, or distribution of the information included in this message and any attachments is prohibited. If you have received this email in error please notify our system management at postmaster@optiver.com and immediately and permanently delete this message and any attachments. ********************************************