Origin for each line in wpa_supplicant.service.mk from check-in 7b547778fc:

cbff0b494f 2023-08-18    1: DAEMON_wpa_supplicant_COMMAND?=/usr/local/sbin/wpa_supplicant /usr/sbin/wpa_supplicant
2213c809d5 2023-03-28    2: DAEMON_wpa_supplicant_BACKGROUND?=-B
2213c809d5 2023-03-28    3: DAEMON_wpa_supplicant_FLAGS?=-M -iwlan* -Dbsd -c/etc/wpa_supplicant.conf
2213c809d5 2023-03-28    4: 
2213c809d5 2023-03-28    5: wpa_supplicant: ${_SERVICE}