DKMS make.log for nvidia-331-331.38 for kernel 3.13.0-37-generic (x86_64)
Sun Oct 19 14:08:48 EST 2014
NVIDIA: calling KBUILD...
make[1]: Entering directory `/usr/src/linux-headers-3.13.0-37-generic'
make[1]: Makefile: No such file or directory
make[1]: *** No rule to make target `Makefile'.  Stop.
make[1]: Leaving directory `/usr/src/linux-headers-3.13.0-37-generic'
NVIDIA: left KBUILD.
 nvidia.ko failed to build!
make: *** [nvidia.ko] Error 1