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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@564 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
47 lines
1.6 KiB
XML
47 lines
1.6 KiB
XML
<sect2>
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<title>Installation of Linux Kernel</title>
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<para>
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We won't be compiling a new kernel image yet. We'll do that after we
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have finished the installation of the basic system software in this
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chapter. But because certain software need the kernel header files, we're
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going to unpack the kernel archive now and set it up so that we can
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compile package that need the kernel.
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</para>
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<para>
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The kernel configuration file is created by running the following command:
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</para>
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<blockquote><literallayout>
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<userinput>make mrproper &&</userinput>
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<userinput>yes "" | make config &&</userinput>
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<userinput>make dep &&</userinput>
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<userinput>cd $LFS/usr/include &&</userinput>
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<userinput>ln -s ../src/linux/include/linux &&</userinput>
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<userinput>ln -s ../src/linux/include/asm</userinput>
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</literallayout></blockquote>
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</sect2>
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<sect2>
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<title>FHS compliance notes</title>
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<para>
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According to the FHS, the /usr/include/linux and /usr/include/asm should be
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actual directories, not symbolic links to the ones belonging to the current
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kernel. The major advantage is that programs will compile with the headers glibc
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was compiled with, and this may prevent some compiling hell. Until now, in all
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of LFS' history, no compiling problem has been reported by using symlinks. So if
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you're tight on space, we recommend using symlinks. But if you want to be FHS
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compliant, replace the two last lines from the commands above with those:
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</para>
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<blockquote><literallayout>
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<userinput>cp -r ../src/linux/include/linux . &&</userinput>
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<userinput>cp -r ../src/linux/include/asm .</userinput>
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</literallayout></blockquote>
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</sect2>
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