+--- a/wpa_supplicant/eapol_test.c
++++ b/wpa_supplicant/eapol_test.c
+@@ -28,8 +28,12 @@
+ #include "ctrl_iface.h"
+ #include "pcsc_funcs.h"
+ #include "wpas_glue.h"
++#include "drivers/driver.h"
+
+
++void (*wpa_supplicant_event)(void *ctx, enum wpa_event_type event,
++ union wpa_event_data *data);
++
+ struct wpa_driver_ops *wpa_drivers[] = { NULL };
+
+
+@@ -1140,6 +1144,8 @@ static void usage(void)
+ "option several times.\n");
+ }
+
++extern void supplicant_event(void *ctx, enum wpa_event_type event,
++ union wpa_event_data *data);
+
+ int main(int argc, char *argv[])
+ {
+@@ -1158,6 +1164,7 @@ int main(int argc, char *argv[])
+ if (os_program_init())
+ return -1;
+
++ wpa_supplicant_event = supplicant_event;
+ hostapd_logger_register_cb(hostapd_logger_cb);
+
+ os_memset(&eapol_test, 0, sizeof(eapol_test));