﻿# Find the kernel release
execute_process(
	COMMAND uname -r
	OUTPUT_VARIABLE KERNEL_RELEASE
	OUTPUT_STRIP_TRAILING_WHITESPACE
)

# Find the headers
find_path(KERNELHEADERS_DIR
	include/linux/user.h
	PATHS
		/usr/src/kernels/${KERNEL_RELEASE}
		/usr/src/linux-headers-${KERNEL_RELEASE}
)

message(STATUS "Kernel release: ${KERNEL_RELEASE}")
message(STATUS "Kernel headers: ${KERNELHEADERS_DIR}")

if (KERNELHEADERS_DIR)
	set(KERNELHEADERS_INCLUDE_DIRS
		${KERNELHEADERS_DIR}/include
		${KERNELHEADERS_DIR}/arch/x86/include
		CACHE PATH "Kernel headers include dirs"
	)
	set(KERNELHEADERS_FOUND 1 CACHE STRING "Set to 1 if kernel headers were found")
else (KERNELHEADERS_DIR)
	set(KERNELHEADERS_FOUND 0 CACHE STRING "Set to 1 if kernel headers were found")
endif (KERNELHEADERS_DIR)

mark_as_advanced(KERNELHEADERS_FOUND)
