Richard Zatorski <Richard.Zatorski(a)eng.sun.com&gt; writes: Note that in general it is a good idea to minimize the number of options used on configure. If you force something that should be autodetected this can lead to subtle configure failurs. I can reproduce what I think is a related bug, same machine, totally different libraries, SUN cc 4.2. Recipe Start 'xemacs -vanilla' under X. M-x disassemble RET x-win-init-sun RET boom! #0 0x28f8c4 in print_symbol () #1 0x28f2e8 in print_internal () #2 0x28c260 in Fprin1 () #3 0xf0a38 in Fbacktrace () #4 0xcbfa4 in fatal_error_signal () #5 <signal handler called> #6 0x7400586d in ?? () #7 0x28f2e8 in print_internal () #8 0x28c260 in Fprin1 () #9 0xe5340 in funcall_recording_as () #10 0x7b73c in Fbyte_code () #11 0xea2ac in funcall_lambda () #12 0xe5778 in funcall_recording_as () #13 0x7b73c in Fbyte_code () #14 0xea2ac in funcall_lambda () #15 0xe5778 in funcall_recording_as () #16 0x7b73c in Fbyte_code () #17 0xea2ac in funcall_lambda () #18 0xe5778 in funcall_recording_as () #19 0xe7ae8 in Fapply () #20 0xeabf4 in apply1 () #21 0x7e8f0 in Fcall_interactively () #22 0xe1560 in Fcommand_execute () #23 0xe51e4 in funcall_recording_as () #24 0x7b73c in Fbyte_code () #25 0xea2ac in funcall_lambda () #26 0xe5778 in funcall_recording_as () #27 0x7ff6c in Fcall_interactively () #28 0xe1560 in Fcommand_execute () #29 0x179f5c in execute_command_event () #30 0x17b8e4 in Fdispatch_event () #31 0x9893c in Fcommand_loop_1 () #32 G Have you checked this? Can somebody figure out where map_obarray is called in Ffset.? Jan