This undoes my unexcw.c change. From discussions I'm not sure whether this is at fault or cygwin itself. To re-enable the old behaviour (which allows you to debug with gdb 5.0) define BROKEN_GDB. Let me know how you get on. andy 2000-11-20 Andy Piper <andy(a)xemacs.org&gt; * unexcw.c (copy_executable_and_dump_data_section): Only do bss messing with a debug environment. -------------------------------------------------------------- Dr Andy Piper Principal Consultant, BEA Systems Ltd