
---------------------------------------------------------------------
You must set these make variables:

  - KERNEL_VERSION
    Version of the Linux kernel for which you're building this module.

  - KERNEL_CONFIG_FILE
    Path to the kernel configuration file.

  - KERNEL_MODSYMVERS
    Path to the kernel symvers file.

Example:

make KERNEL_VERSION=4.19.162 KERNEL_CONFIG_FILE=files/kernel.config KERNEL_MODSYMVERS=files/kernel.symvers
---------------------------------------------------------------------

