In file included from /usr/src/usr.sbin/802_11/wpa_supplicant/../../../contrib/wpa_supplicant/src/drivers/driver_bsd.c:18:0:
/usr/src/usr.sbin/802_11/wpa_supplicant/../../../contrib/wpa_supplicant/src/common/wpa_common.h:115:0: note: this is the location of the previous definition
cc1: all warnings being treated as errors
*** Error code 1
Stop.
make: stopped in /usr/src/usr.sbin/802_11/wpa_supplicant