root@raspberrypi:/home/pi# git clone https://github.com/notro/fbtft.git
    Cloning into 'fbtft'...
    remote: Counting objects: 1060, done.
    remote: Total 1060 (delta 0), reused 0 (delta 0)
    Receiving objects: 100% (1060/1060), 491.83 KiB | 190 KiB/s, done.
    Resolving deltas: 100% (665/665), done.
    root@raspberrypi:/home/pi# cd fbtft
    root@raspberrypi:/home/pi/fbtft# make
    grep config Kconfig | cut -d' ' -f2 | sed 's@^@CONFIG_@; s@$@=m@' > .config
    make -C /lib/modules/`uname -r`/build M=$PWD modules
    make[1]: *** /lib/modules/3.12.28+/build: No such file or directory.  Stop.
    Makefile:45: recipe for target 'default' failed
    make: *** [default] Error 2
    root@raspberrypi:/home/pi/fbtft#