That's a bug, probably forgot to label some functions as inline. It may already be fixed, but anyways, which defs are duplicated? P.S. Haven't had time yet to look at your other problem. On Tue, 5 Nov 2002, loopylozzysdad wrote: Richar> Hi, Richar> Richar> It seems to me that you can't use adjacency_list AND adjacency_matrix Richar> in the same program. When I had both the relevant inludes in the Richar> program I got duplicate definition errors from the linker. Is this by Richar> design, or a bug? Richar> Richar> Cheers - Richard Howells (loopylozzydad at yahoo dot com) ---------------------------------------------------------------------- Jeremy Siek http://php.indiana.edu/~jsiek/ Ph.D. Student, Indiana Univ. B'ton email: jsiek@osl.iu.edu C++ Booster (http://www.boost.org) office phone: (812) 855-3608 ----------------------------------------------------------------------