ここを参考にして

sudo apt-get update; sudo apt-get upgrade -y
sudo rpi-update
sudo reboot

sudo apt-get install bc
FIRMWARE_REV=`cat /boot/.firmware_revision`
KERNEL_REV=`curl -L https://github.com/Hexxeh/rpi-firmware/raw/${FIRMWARE_REV}/git_hash`
echo Firmware Rev: ${FIRMWARE_REV}
echo kernel Rev  : ${KERNEL_REV}
curl -L https://github.com/Hexxeh/rpi-firmware/raw/${FIRMWARE_REV}/Module.symvers >Module.symvers
curl -L https://github.com/Hexxeh/rpi-firmware/raw/${FIRMWARE_REV}/Module7.symvers >Module7.symvers
curl -L https://github.com/raspberrypi/linux/archive/${KERNEL_REV}.tar.gz >rpi-linux.tar.gz

sudo -s
HOME=/home/pi
cd /usr/src
mkdir rpi-linux
cd rpi-linux
tar --strip-components 1 -xf ${HOME}/rpi-linux.tar.gz
modprobe configs
gunzip -c /proc/config.gz >.config
cp $HOME/Module.symvers Module.symvers

time make modules_prepare
ln -sv /usr/src/rpi-linux /lib/modules/$(uname -r)/build

Buffalo wi-u2-433dm(未確認)

cd /usr/src
git clone https://github.com/abperiasamy/rtl8812AU_8821AU_linux.git
cd rtl8812AU_8821AU_linux/
sed -i 's/CONFIG_PLATFORM_I386_PC = y/CONFIG_PLATFORM_I386_PC = n/' Makefile
sed -i 's/CONFIG_PLATFORM_ARM_RPI = n/CONFIG_PLATFORM_ARM_RPI = y/' Makefile
make clean && make && make install
modprobe -a rtl8812au

elecom wdc-300su2s

cd /usr/src
git clone https://github.com/xtknight/mt7610u-linksys-ae6000-wifi-fixes.git
cd mt7610u-linksys-ae6000-wifi-fixes
make && make install
modprobe -a mt7650u_sta

で、コンパイル