Olivier Galibert <galibert(a)pobox.com&gt; writes: BWAHAHAHAHAHHAHAHAHAHAHAHAHAHAHAHA It is even easier than that. temacs will crash on you with a nice triple fault trying "run-temacs" to bytecompile the lisp. I needed #ifdef PDUMP { extern int pdump_load(void); initialized = restart || pdump_load(); } #endif and #endif #ifdef PDUMP } else if (!restart) { reinit_alloc_once_early (); reinit_opaque_once_early (); in order to get it to byte-compile the initial lisp (which is where it is now). Jan