TARG_NOCREATE
gn = Targ_FindNodei(arg->s, arg->e, TARG_NOCREATE);
gn = Targ_FindNodei(arg->s, arg->e, TARG_NOCREATE);
if (Targ_FindNode(s->file, TARG_NOCREATE) != NULL) {
extra = Targ_FindNode(gn->name + objdir_len, TARG_NOCREATE);