[9dfc02f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 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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[9dfc02f] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[bdea25ce] | 7 |
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[5bc82c5] | 8 | <sect1 id="ch-system-linux-headers" role="wrap">
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| 9 | <?dbhtml filename="linux-headers.html"?>
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[bdea25ce] | 10 |
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[b778fff] | 11 | <title>Linux-&linux-version; API Headers</title>
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[bdea25ce] | 12 |
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[5bc82c5] | 13 | <indexterm zone="ch-system-linux-headers">
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[b778fff] | 14 | <primary sortas="a-Linux">Linux</primary>
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| 15 | <secondary>API headers</secondary>
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[bdea25ce] | 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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[9dfc02f] | 20 |
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[b778fff] | 21 | <para>The Linux API Headers expose the kernel's API for use by Glibc.</para>
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[9dfc02f] | 22 |
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[bdea25ce] | 23 | <segmentedlist>
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| 24 | <segtitle>&buildtime;</segtitle>
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| 25 | <segtitle>&diskspace;</segtitle>
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[9dfc02f] | 26 |
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[bdea25ce] | 27 | <seglistitem>
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[5bc82c5] | 28 | <seg>&linux-headers-ch6-sbu;</seg>
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| 29 | <seg>&linux-headers-ch6-du;</seg>
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[bdea25ce] | 30 | </seglistitem>
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| 31 | </segmentedlist>
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[9dfc02f] | 32 |
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[bdea25ce] | 33 | </sect2>
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[9dfc02f] | 34 |
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[bdea25ce] | 35 | <sect2 role="installation">
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[b778fff] | 36 | <title>Installation of Linux API Headers</title>
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[81fd230] | 37 |
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[5bc82c5] | 38 | <para>The Linux kernel needs to expose an Application Programming Interface
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| 39 | (API) for the system's C library (Glibc in LFS) to utilize. This is done
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| 40 | by way of sanitizing various C header files that are shipped in the Linux
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| 41 | kernel source tarball.</para>
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[bdea25ce] | 42 |
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[64f65c7] | 43 | <para>Apply a <command>sed</command> subsitution to suppress the
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| 44 | installation of header files in <filename
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| 45 | class='directory'>/usr/include/scsi</filename>. The versions provided by
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| 46 | Glibc will be used instead:</para>
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| 47 |
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| 48 | <screen><userinput>sed -i '/scsi/d' include/Kbuild</userinput></screen>
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| 49 |
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[bdea25ce] | 50 | <para>Install the header files:</para>
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[9dfc02f] | 51 |
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[5bc82c5] | 52 | <screen><userinput>make mrproper
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| 53 | make headers_check
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| 54 | make INSTALL_HDR_PATH=/usr headers_install</userinput></screen>
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[9dfc02f] | 55 |
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[bdea25ce] | 56 | </sect2>
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[9dfc02f] | 57 |
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[5bc82c5] | 58 | <sect2 id="contents-linux-headers" role="content">
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[b778fff] | 59 | <title>Contents of Linux API Headers</title>
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[ef57e3b] | 60 |
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[bdea25ce] | 61 | <segmentedlist>
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| 62 | <segtitle>Installed headers</segtitle>
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[ef57e3b] | 63 |
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[bdea25ce] | 64 | <seglistitem>
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[39ac890] | 65 | <seg>/usr/include/{asm{,-generic},linux,mtd,rdma,sound}/*.h</seg>
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[bdea25ce] | 66 | </seglistitem>
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| 67 | </segmentedlist>
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[81fd230] | 68 |
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[bdea25ce] | 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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[81fd230] | 73 |
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[5bc82c5] | 74 | <varlistentry id="linux-headers">
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[39ac890] | 75 | <term><filename class="headerfile">/usr/include/{asm{,-generic},linux,mtd,rdma,sound}/*.h</filename></term>
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[bdea25ce] | 76 | <listitem>
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| 77 | <para>The Linux API headers</para>
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[5bc82c5] | 78 | <indexterm zone="ch-system-linux-headers linux-headers">
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[39ac890] | 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}</primary>
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[bdea25ce] | 81 | </indexterm>
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| 82 | </listitem>
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| 83 | </varlistentry>
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[ef57e3b] | 84 |
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[bdea25ce] | 85 | </variablelist>
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[ef57e3b] | 86 |
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[bdea25ce] | 87 | </sect2>
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[81fd230] | 88 |
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[bdea25ce] | 89 | </sect1>
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