Maybe: using namespace std; or namespace std {} using namespace std; declaration just before #include <mysql++> would help. I suspect the errors are cause by some forward declaration of ostream (istream) class in mysql headers. Something like: class ostream; --- Michal Zygmuntowicz ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01 _______________________________________________ List: Openh323gk-users@lists.sourceforge.net Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Homepage: http://www.gnugk.org/