i checked out the svn trunk for boost and, while i read that the latest version of boost is 1.37, the README.txt file refers only to 1.34.0. can someone clarify this? thanks. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry: Have classroom, will lecture. http://crashcourse.ca Waterloo, Ontario, CANADA ========================================================================