DKMS make.log for nvidia-331-331.38 for kernel 3.14.1-031401-lowlatency (x86_64)
Wed Sep  3 17:05:32 PDT 2014
NVIDIA: calling KBUILD...
make[1]: Entering directory `/usr/src/linux-headers-3.14.1-031401-lowlatency'
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-3.14.1-031401-lowlatency'
NVIDIA: left KBUILD.
 nvidia.ko failed to build!
make: *** [nvidia.ko] Error 1