address@hidden(simpleObserverBug)% gmake
/opt/gnu/gcc-2.95.2/bin/gcc -c -g -O2 -Wall -Wno-import -Wno-protocol -Werror   -DAPPNAME=bug -DAPPVERSION=2.1 address@hidden  -I/opt/swarm/swarm-2.0.1/include ObserverSwarm.m 
cc1obj: warnings being treated as errors
ObserverSwarm.m: In function `-[ObserverSwarm buildObjects]':
ObserverSwarm.m:55: warning: method `getWithZone:key:' not implemented by protocol.
ObserverSwarm.m:55: warning: return type defaults to id
gmake: *** [ObserverSwarm.o] Error 1


address@hidden(simpleObserverBug)% ./bug
*** event raised for error: InvalidArgument
*** function: _i_Object_s__doesNotRecognize_(), file: DefObject.m, line: 872
LispArchiver_c does not recognize getWithZone:key:*** execution terminating due to error
Symbol.m:173 -[Error(c) _raiseEvent:]
Abort (core dumped)