1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-tools-linux-headers" role="wrap">
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9 | <?dbhtml filename="linux-headers.html"?>
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10 |
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11 | <title>Linux-Headers-&linux-version;</title>
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12 |
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13 | <indexterm zone="ch-tools-linux-headers">
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14 | <primary sortas="a-Linux-Headers">Linux-Headers</primary>
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15 | <secondary>tools, headers</secondary>
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16 | </indexterm>
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17 |
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18 | <sect2 role="package">
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19 | <title/>
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20 |
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21 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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22 | href="../chapter06/linux-headers.xml"
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23 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
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24 |
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25 | <segmentedlist>
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26 | <segtitle>&buildtime;</segtitle>
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27 | <segtitle>&diskspace;</segtitle>
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28 |
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29 | <seglistitem>
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30 | <seg>&linux-headers-ch5-sbu;</seg>
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31 | <seg>&linux-headers-ch5-du;</seg>
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32 | </seglistitem>
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33 | </segmentedlist>
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34 |
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35 | </sect2>
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36 |
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37 | <sect2 role="installation">
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38 | <title>Installation of Linux-Headers</title>
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39 |
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40 | <para>The Linux kernel needs to expose an Application Programming Interface
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41 | (API) for the system's C library (Glibc in LFS) to utilize. This is done
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42 | by way of sanitizing various C header files that are shipped in the Linux
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43 | kernel source tarball.</para>
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44 |
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45 | <para>Apply the following patch to provide <command>unifdef</command>, which
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46 | the installation of the kernel headers requires:</para>
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47 |
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48 | <screen><userinput>patch -Np1 -i ../linux-&linux-version;-unifdef-1.patch</userinput></screen>
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49 |
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50 | <para>Install the header files:</para>
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51 |
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52 | <screen><userinput>make mrproper
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53 | make headers_install
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54 | make headers_check
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55 | cp -av usr/include/* /tools/include</userinput></screen>
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56 |
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57 | </sect2>
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58 |
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59 | <sect2 role="content">
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60 | <title/>
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61 |
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62 | <para>Details on this package are located in
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63 | <xref linkend="contents-linux-headers" role="."/></para>
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64 |
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65 | </sect2>
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66 |
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67 | </sect1>
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