Makefile:2012: recipe for target '/home/pi/nexmon/patches/driver/brcmfmac_4.14.y-nexmon' failed

[abbdulwahab86]

Kindly help me move forward.
root@raspberrypi:/home/pi/nexmon/patches/bcm43430a1/7_45_41_46/nexmon# cat log/driver.log
make[1]: Entering directory '/root/linux-0afb5e98488aed7017b9bf321b575d0177feb7ed'
CC [M] /home/pi/nexmon/patches/driver/brcmfmac_4.14.y-nexmon/cfg80211.o
scripts/Makefile.build:250: recipe for target '/home/pi/nexmon/patches/driver/brcmfmac_4.14.y-nexmon/cfg80211.o' failed
Makefile:2012: recipe for target '/home/pi/nexmon/patches/driver/brcmfmac_4.14.y-nexmon' failed
make[1]: Leaving directory '/root/linux-0afb5e98488aed7017b9bf321b575d0177feb7ed'

[jlinktu]

You are probably missing the right kernel headers for your kernel version.