Hi, Everybody, I thought I would tell you what I did to solve the problem I had when I first tried to build SWI Prolog version 5.6.40. The workstation complained because it couldn't find inttypes.h in /usr/include. So I symlinked /usr/include/sys/inttypes.h to /usr/include/inttypes.h. Bill ________________________________________________________________ Please visit a saintly hero: http://www.jakemoore.org And a boy with a wonderful wish: http://shaneswish.com/