[6370fa6] | 1 | <sect2>
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| 2 | <title>Command explanations</title>
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| 3 |
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[c58b9c3] | 4 | <para><userinput>make mrproper:</userinput> This will ensure that the kernel
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| 5 | tree is absolutely clean. We do this because the kernel team recommend
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| 6 | that this is done prior to <emphasis>each</emphasis> kernel compilation,
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| 7 | and that we shouldn't rely on the source tree being automatically clean
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| 8 | after untarring.</para>
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| 9 |
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| 10 | <para><userinput>yes "" | make config:</userinput> This runs make config and
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| 11 | answers with the default answer to every question the config script asks
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| 12 | the user (it does this by simply doing the equivalent of hitting the
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| 13 | Enter key, thus accepting the default Y and N answers to the questions).
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| 14 | We're not configuring the real kernel here, we just need to have some sort
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| 15 | of configure file created so that we can run make dep next that will
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| 16 | create a few header files in <filename>include/linux</filename>, like
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| 17 | version.h, among others, that we will need to compile Glibc and other
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| 18 | packages later in chroot.</para>
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| 19 |
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| 20 | <para><userinput>make dep:</userinput> make dep checks dependencies and sets
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| 21 | up the dependencies file. We don't really care about the dependency
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| 22 | checks, but what we do care about is that make dep creates those
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| 23 | aforementioned files in <filename>include/linux</filename> we will be
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| 24 | needing later on.</para>
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[6370fa6] | 25 |
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[e5835c1] | 26 | <para><userinput>mkdir $LFS/usr/include/asm</userinput>
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| 27 | and <userinput>cp include/asm/* $LFS/usr/include/asm</userinput>:
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| 28 | This copies the platform-specific assembler kernel header files to
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| 29 | <filename>$LFS/usr/include/asm</filename>.</para>
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| 30 |
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| 31 | <para><userinput>cp -R include/linux $LFS/usr/include</userinput>:
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| 32 | This command copies the cross-platform kernel header files to
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[420aa7ab] | 33 | <filename>$LFS/usr/include</filename>.</para>
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[6370fa6] | 34 |
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| 35 | </sect2>
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| 36 |
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