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$ sudo apt-get install cmake

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# CMake ×îµÍ°æ±¾ÒªÇó
cmake_minimum_required(VERSION 3.0)

# ÏîÄ¿Ãû³Æ
project(LinuxKernel)

# Ö¸¶¨ÄÚºËÔ´Âë·¾¶
set(KERNEL_SOURCE_DIRECTORY "/path/to/kernel/source")

# Ö¸¶¨Êä³öĿ¼
set(OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/output")

# ÉèÖñàÒëÑ¡Ïî
set(CMAKE_C_FLAGS "-O2 -g")

# ÉèÖÃÄÚºË
configure_file(${KERNEL_SOURCE_DIRECTORY}/.config ${KERNEL_SOURCE_DIRECTORY}/arch/x86/configs/myconfig)

# ¹¹½¨ÄÚºË
add_custom_target(build_kernel ALL
    COMMAND make -C ${KERNEL_SOURCE_DIRECTORY} O=${OUTPUT_DIRECTORY} bzImage
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)

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$ cmake .
$ cmake --build .

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ÈôÊÇÐèÒª¶ÔÄں˾ÙÐиü¶àµÄ¶¨ÖÆÉèÖ㬿ÉÒÔÐÞ¸ÄÉèÖÃÎļþ(.config)²¢ÖØÐÂÔËÐÐCMakeÏÂÁî¡£ÕâÑù£¬CMake½«Ê¹ÓÃеÄÉèÖÃÎļþ¾ÙÐй¹½¨ºÍÉèÖá£

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cmake_minimum_required(VERSION 3.0)

project(LinuxKernel)

set(KERNEL_SOURCE_DIRECTORY "/path/to/kernel/source")
set(OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/output")
set(CMAKE_C_FLAGS "-O2 -g")

configure_file(${KERNEL_SOURCE_DIRECTORY}/.config ${KERNEL_SOURCE_DIRECTORY}/arch/x86/configs/myconfig)

add_custom_target(build_kernel ALL
    COMMAND make -C ${KERNEL_SOURCE_DIRECTORY} O=${OUTPUT_DIRECTORY} bzImage
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)

# Ìí¼ÓÒ»¸öÃûΪ"install_headers"µÄ×Ô½ç˵ĿµÄ£¬½«Í·Îļþ¸´ÖƵ½Ö¸¶¨Ä¿Â¼
add_custom_target(install_headers ALL
    COMMAND make -C ${KERNEL_SOURCE_DIRECTORY} O=${OUTPUT_DIRECTORY} INSTALL_HDR_PATH=${OUTPUT_DIRECTORY}/usr headers_install
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)

# Ìí¼ÓÒ»¸öÃûΪ"install_modules"µÄ×Ô½ç˵ĿµÄ£¬½«Ä£¿éÎļþ¸´ÖƵ½Ö¸¶¨Ä¿Â¼
add_custom_target(install_modules ALL
    COMMAND make -C ${KERNEL_SOURCE_DIRECTORY} O=${OUTPUT_DIRECTORY} INSTALL_MOD_PATH=${OUTPUT_DIRECTORY}/rootfs modules_install
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)

# ʹÓÃ"make clean"ÕûÀíÄÚºËÔ´ÂëĿ¼
add_custom_target(clean_kernel
    COMMAND make -C ${KERNEL_SOURCE_DIRECTORY} clean
)

# Ìí¼ÓÒ»¸öÃûΪ"clean_all"µÄ×Ô½ç˵ĿµÄ£¬ÓÃÓÚÕûÀíËùÓÐÌìÉúµÄÎļþ
add_custom_target(clean_all
    COMMAND rm -rf ${OUTPUT_DIRECTORY}
    COMMAND rm -rf ${CMAKE_BINARY_DIR}/CMakeCache.txt
    COMMAND rm -rf ${CMAKE_BINARY_DIR}/CMakeFiles
)

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