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cmake_minimum_required(VERSION 3.10)
# set the project name
project(dnbd3-kernel
LANGUAGES C)
# include macros to define Linux kernel build targets
include(Kernel)
# set C flags for a Linux kernel module
set(KERNEL_C_FLAGS "-DDNBD3_KERNEL_MODULE -I ${PROJECT_INCLUDE_GEN_DIR}"
CACHE STRING "C flags to be used for building the dnbd3 kernel module")
# set C flags for the debug mode of a Linux kernel module
set(KERNEL_C_FLAGS_DEBUG "-g -DDEBUG"
CACHE STRING "Additional C flags to be used for building the dnbd3 kernel module in debug mode")
# append include directories to the C flags
get_property(KERNEL_INCLUDE_DIRS DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
foreach(KERNEL_INCLUDE_DIR ${KERNEL_INCLUDE_DIRS})
set(KERNEL_C_FLAGS "${KERNEL_C_FLAGS} -I ${KERNEL_INCLUDE_DIR}")
endforeach(KERNEL_INCLUDE_DIR ${KERNEL_INCLUDE_DIRS})
# append debug C flags if debug mode is enabled
if(CMAKE_BUILD_TYPE MATCHES Debug)
set(KERNEL_C_FLAGS "${KERNEL_C_FLAGS} ${KERNEL_C_FLAGS_DEBUG}")
endif(CMAKE_BUILD_TYPE MATCHES Debug)
# dnbd3 Linux kernel module
set(KERNEL_MODULE_DNBD3_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/blk.c
${CMAKE_CURRENT_SOURCE_DIR}/dnbd3_main.c
${CMAKE_CURRENT_SOURCE_DIR}/net.c
${CMAKE_CURRENT_SOURCE_DIR}/serialize.c
${CMAKE_CURRENT_SOURCE_DIR}/sysfs.c)
set(KERNEL_MODULE_DNBD3_HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/blk.h
${CMAKE_CURRENT_SOURCE_DIR}/dnbd3_main.h
${CMAKE_CURRENT_SOURCE_DIR}/net.h
${CMAKE_CURRENT_SOURCE_DIR}/sysfs.h)
add_kernel_module(dnbd3 "${KERNEL_BUILD_DIR}"
"${KERNEL_INSTALL_DIR}"
"CONFIG_BLK_DEV_DNBD3=m"
"${KERNEL_MODULE_DNBD3_SOURCE_FILES}"
"${KERNEL_MODULE_DNBD3_HEADER_FILES}"
${CMAKE_CURRENT_SOURCE_DIR}/Kbuild)
# add dependency to generate project version header before dnbd3.ko is built
add_dependencies(dnbd3 dnbd3-generate-version)
set(CHECKPATCH_IGNORE_WARNINGS "NEW_TYPEDEFS"
"MSLEEP"
"CONSTANT_COMPARISON"
"DEEP_INDENTATION"
"PREFER_PR_LEVEL"
"LINUX_VERSION_CODE"
"JIFFIES_COMPARISON"
"KREALLOC_ARG_REUSE")
add_kernel_linter(dnbd3-lint "${CHECKPATCH_IGNORE_WARNINGS}"
"${KERNEL_MODULE_DNBD3_SOURCE_FILES}"
"${KERNEL_MODULE_DNBD3_HEADER_FILES}")
add_kernel_linter_fix(dnbd3-lint-fix "${CHECKPATCH_IGNORE_WARNINGS}"
"${KERNEL_MODULE_DNBD3_SOURCE_FILES}"
"${KERNEL_MODULE_DNBD3_HEADER_FILES}")
add_linter_fix(dnbd3-lint-fix-clang "${KERNEL_MODULE_DNBD3_SOURCE_FILES}"
"${KERNEL_MODULE_DNBD3_HEADER_FILES}")
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