Please, replace the contents of your ppl/src/BitSet directory with the contents of spartacus.cs.unipr.it:/opt/ppl-distrib/BitSet. This is the only thing you should do, apart from cvs-updating the rest of your copy of the sources. Ciao, Roberto -- Roberto Bagnara Computer Science Group Department of Mathematics, University of Parma, Italy http://www.cs.unipr.it/~bagnara/ mailto:bagnara@cs.unipr.it