src/core/or/circuitlist.c:571:13: error: use of undeclared identifier 'tor_circuit' tor_trace(TR_SUBSYS(circuit), TR_EV(change_state), circ, circ->state, state); ^./src/lib/trace/events.h:45:25: note: expanded from macro 'TR_SUBSYS'#define TR_SUBSYS(name) tor_ ## name ^<scratch space>:130:1: note: expanded from heretor_circuit^src/core/or/circuitlist.c:571:39: error: use of undeclared identifier 'change_state' tor_trace(TR_SUBSYS(circuit), TR_EV(change_state), circ, circ->state, state); ^src/core/or/circuitbuild.c:503:3: warning: implicit declaration of function 'STAP_PROBEV' is invalid in C99 [-Wimplicit-function-declaration] tor_trace(TR_SUBSYS(circuit), TR_EV(establish), circ); ^./src/lib/trace/events.h:53:5: src/core/or/circuitlist.c:1086:3: warning: implicit declaration of function 'STAP_PROBEV' is invalid in C99 [-Wimplicit-function-declaration] tor_trace(TR_SUBSYS(circuit), TR_EV(new_origin), circ); ^