| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/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-system-linux-headers" role="wrap">
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| 9 | <?dbhtml filename="linux-headers.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>linux</productname>
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| 13 | <productnumber>&linux-version;</productnumber>
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| 14 | <address>&linux-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Linux-&linux-version; API Headers</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-linux-headers">
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| 20 | <primary sortas="a-Linux">Linux</primary>
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| 21 | <secondary>API headers</secondary>
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| 22 | </indexterm>
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| 23 |
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| 24 | <sect2 role="package">
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| 25 | <title/>
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| 26 |
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| 27 | <para>The Linux API Headers expose the kernel's API for use by Glibc.</para>
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| 28 |
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| 29 | <segmentedlist>
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| 30 | <segtitle>&buildtime;</segtitle>
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| 31 | <segtitle>&diskspace;</segtitle>
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| 32 |
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| 33 | <seglistitem>
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| 34 | <seg>&linux-headers-ch6-sbu;</seg>
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| 35 | <seg>&linux-headers-ch6-du;</seg>
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| 36 | </seglistitem>
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| 37 | </segmentedlist>
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| 38 |
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| 39 | </sect2>
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| 40 |
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| 41 | <sect2 role="installation">
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| 42 | <title>Installation of Linux API Headers</title>
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| 43 |
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| 44 | <para>The Linux kernel needs to expose an Application Programming Interface
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| 45 | (API) for the system's C library (Glibc in LFS) to utilize. This is done
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| 46 | by way of sanitizing various C header files that are shipped in the Linux
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| 47 | kernel source tarball.</para>
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| 48 |
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| 49 | <para>Install the header files:</para>
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| 50 |
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| 51 | <screen><userinput remap="install">make mrproper
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| 52 | make headers_check
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| 53 | make INSTALL_HDR_PATH=dest headers_install
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| 54 | cp -rv dest/include/* /usr/include</userinput></screen>
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| 55 |
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| 56 | </sect2>
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| 57 |
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| 58 | <sect2 id="contents-linux-headers" role="content">
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| 59 | <title>Contents of Linux API Headers</title>
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| 60 |
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| 61 | <segmentedlist>
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| 62 | <segtitle>Installed headers</segtitle>
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| 63 |
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| 64 | <seglistitem>
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| 65 | <seg>/usr/include/{asm{,-generic},linux,mtd,rdma,sound,video}/*.h</seg>
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| 66 | </seglistitem>
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| 67 | </segmentedlist>
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| 68 |
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| 69 | <variablelist>
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| 70 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 71 | <?dbfo list-presentation="list"?>
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| 72 | <?dbhtml list-presentation="table"?>
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| 73 |
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| 74 | <varlistentry id="linux-headers">
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| 75 | <term><filename class="headerfile">/usr/include/{asm{,-generic},linux,mtd,rdma,sound}/*.h</filename></term>
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| 76 | <listitem>
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| 77 | <para>The Linux API headers</para>
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| 78 | <indexterm zone="ch-system-linux-headers linux-headers">
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| 79 | <!-- No /*.h here to prevent a PDF line overflow -->
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| 80 | <primary sortas="e-/usr/include/{asm{,-generic},linux,mtd,rdma,sound}">/usr/include/{asm{,-generic},linux,mtd,rdma,sound,video}</primary>
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| 81 | </indexterm>
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| 82 | </listitem>
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| 83 | </varlistentry>
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| 84 |
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| 85 | </variablelist>
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| 86 |
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| 87 | </sect2>
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| 88 |
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| 89 | </sect1>
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