root@raspberrypi:~/Desktop/crda-1.1.2# make
  LD   crda
/usr/bin/ld: cannot find -lnl-genl
collect2: ld returned 1 exit status
Makefile:106: recipe for target 'crda' failed
make: *** [crda] Error 1
root@raspberrypi:~/Desktop/crda-1.1.2# ldconfig -p | grep libnl
	libnl.so.1 (libc6,hard-float) => /usr/lib/arm-linux-gnueabihf/libnl.so.1
	libnl.so (libc6,hard-float) => /usr/lib/arm-linux-gnueabihf/libnl.so
	libnl-3.so.200 (libc6,hard-float) => /lib/arm-linux-gnueabihf/libnl-3.so.200
	libnl-genl-3.so.200 (libc6,hard-float) => /lib/arm-linux-gnueabihf/libnl-genl-3.so.200