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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-tools-linux-headers" role="wrap">
<?dbhtml filename="linux-headers.html"?>
<title>Linux-Headers-&linux-version;</title>
<indexterm zone="ch-tools-linux-headers">
<primary sortas="a-Linux-Headers">Linux-Headers</primary>
<secondary>tools, headers</secondary>
</indexterm>
<sect2 role="package">
<title/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="../chapter06/linux-headers.xml"
xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&linux-headers-ch5-sbu;</seg>
<seg>&linux-headers-ch5-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Linux-Headers</title>
<para>The Linux kernel needs to expose an Application Programming Interface
(API) for the system's C library (Glibc in LFS) to utilize. This is done
by way of sanitizing various C header files that are shipped in the Linux
kernel source tarball.</para>
<para>Apply the following patch to provide <command>unifdef</command>, which
the installation of the kernel headers requires:</para>
<screen><userinput>patch -Np1 -i ../linux-&linux-version;-unifdef-1.patch</userinput></screen>
<para>Install the header files:</para>
<screen><userinput>make mrproper
make headers_install
make headers_check
cp -av usr/include/* /tools/include</userinput></screen>
</sect2>
<sect2 role="content">
<title/>
<para>Details on this package are located in
<xref linkend="contents-linux-headers" role="."/></para>
</sect2>
</sect1>
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