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1.Ê×ÏÈÊÇ»ñµÃlinuxÄÚºËÔ´Â룬ºÃÏñÊÇ·Ï»°£¬ÏÂÔØµØÖ·ÈçÏ£ºftp://ftp.kernel.org/pub/linux/kernel/v2.6/ÏÂÔØ£º
linux-2.6.16.22.tar.bz2  patch-2.6.22.6.bz2
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tar jxvf linux-2.6.22.tar.bz2
tar jxvf patch-2.6.22.6.bz2
cd linux-2.6.22
patch -p1 < ../patch-2.6.22.6
2.linuxÄÚºËÔ´Âë½á¹¹ºÍMakefile·ÖÎö
linuxÄÚºËÔ´ÂëµÄ½á¹¹±È½ÏÇåÎú£¬ÎҾͲ»ÂÞàÂÁË£¬Èç¹û¶ÔÓÚlinuxÔ´ÂëµÄ½á¹¹²»ÊǺÜÁ˽âµÄ»°£¬¿ÉÒԲο¼ÏÂÃæµÄÎÄÕÂ
http://www.kerneltravel.net/kernel-book/%E7%AC%AC%E4%B8%80%E7%AB%A0%E8%B5%B0%E8%BF%9Blinux/1.6.2.htm
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The Makefiles have five parts:
    Makefile        the top Makefile. ¶¥²ãµÄMakefile
    .config            the kernel configuration file.ÅäÖÃÎļþ£¬ÔÚ¶¥²ãµÄMakefileÖÐʹÓÃ.configÀ´¾ö¶¨Ê¹ÓÃÄÇЩÎļþ
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    scripts/Makefile.*    common rules etc. for all kbuild Makefiles.Makefile¹«ÓõÄͨÓùæÔò£¬½Å±¾µÈ¡£
    kbuild Makefiles    there are about 500 of these.¸÷¸ö×ÓĿ¼ÏµÄMakefile£¬±»¸ÃÉϲãµÄMakefileµ÷ÓÃ
The top Makefile reads the .config file, which comes from the kernel
configuration process.
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