> what package is des.h from, and why wouldn't configure pick it up? It comes from kth-krb and yes, it should be picked up by configure. I have kth-krb in /usr/athena and des.h is in /usr/athena/include/des.h Next step is to look what configure says about /usr/athena (or wherever you installed kth-krb) and if des.h really is there. Harald.