Compilation does not even start ! Looks like the problem concerns Jambase, and I am a "make" user, so I don't know what to do for jam Linux, opensuse 11.4, amd64 Boost.Jam Version 3.1.19. OS=LINUX. here is the error message ******************************************************** jp@titien:~/src/Argyll_V1.3.2> make all jam -q -fJambase -j 3 We're on a 64 bit host WARNING :- no project Jamtop found, no TOP set ! Jambase:1787: in _InvertPath rule continue unknown in module Jambase:1919: in _JamInclude Jambase:1960: in SubInclude Jambase:4329: in module scope make: *** [all] Erreur 1 ********************************************************** -- Jean-Pierre Vial