If you need to specify the target directory to the kernel you want to build
against, use:
% KERNELDIR=path_to_kernel_dir make
# KERNELDIR=path_to_kernel_dir make modules_install
If you need to specify the target directory to the kernel you want to build
against, use:
% KERNELDIR=path_to_kernel_dir make
# KERNELDIR=path_to_kernel_dir make modules_install