source: chapter06/eudev.xml@ 76a706e

10.0 10.0-rc1 10.1 10.1-rc1 11.0 11.0-rc1 11.0-rc2 11.0-rc3 9.0 9.0-rc1 9.1 9.1-rc1 cross-chap5 ml-11.0 multilib old-trunk trunk xry111/git-transition xry111/glibc-2.34 xry111/tester-nohack xry111/usr-move
Last change on this file since 76a706e was 76a706e, checked in by Bruce Dubbs <bdubbs@…>, 2 years ago

Update to vim-8.1.1535.
Update to shadow-4.7.
Update to linux-5.1.10.
Update to less-551.
Update to util-linux-2.34.
Remove eudev instructions referring to /tools.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11619 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-eudev" role="wrap" revision="sysv">
9 <?dbhtml filename="eudev.html"?>
10
11 <sect1info condition="script">
12 <productname>eudev</productname>
13 <productnumber>&eudev-version;</productnumber>
14 <address>&eudev-url;</address>
15 </sect1info>
16
17 <title>Eudev-&eudev-version;</title>
18
19 <indexterm zone="ch-system-eudev">
20 <primary sortas="a-Eudev">Eudev</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Eudev package contains programs for dynamic creation of device
27 nodes.</para>
28
29 <segmentedlist>
30 <segtitle>&buildtime;</segtitle>
31 <segtitle>&diskspace;</segtitle>
32
33 <seglistitem>
34 <seg>&eudev-ch6-sbu;</seg>
35 <seg>&eudev-ch6-du;</seg>
36 </seglistitem>
37 </segmentedlist>
38 </sect2>
39
40 <sect2 role="installation">
41 <title>Installation of Eudev</title>
42<!--
43 <para>First, fix a test script:</para>
44
45<screen><userinput remap="pre">sed -r -i 's|/usr(/bin/test)|\1|' test/udev-test.pl</userinput></screen>
46-->
47<!--
48 <para>Next, remove an unneeded line that causes a build failure:</para>
49
50<screen><userinput remap="pre">sed -i '/keyboard_lookup_key/d' src/udev/udev-builtin-keyboard.c</userinput></screen>
51-->
52<!--
53 <para>First, add a workaround to prevent the /tools directory from being
54 hard coded into Eudev binary files library locations:</para>
55
56<screen><userinput remap="pre">cat &gt; config.cache &lt;&lt; "EOF"
57HAVE_BLKID=1
58BLKID_LIBS="-lblkid"
59BLKID_CFLAGS="-I/tools/include"
60EOF</userinput></screen>
61-->
62<para>Prepare Eudev for compilation:</para>
63
64<screen><userinput remap="configure">./configure --prefix=/usr \
65 --bindir=/sbin \
66 --sbindir=/sbin \
67 --libdir=/usr/lib \
68 --sysconfdir=/etc \
69 --libexecdir=/lib \
70 --with-rootprefix= \
71 --with-rootlibdir=/lib \
72 --enable-manpages \
73 --disable-static</userinput></screen>
74<!-- - -config-cache</userinput></screen> -->
75
76<para>Compile the package:</para>
77
78<screen><userinput remap="make">make</userinput></screen>
79<!--
80<screen><userinput remap="make">LIBRARY_PATH=/tools/lib make</userinput></screen>
81
82<note><para>The LIBRARY_PATH variable here and the LD_LIBRARY_PATH variable
83below are needed to allow the use of libraries that were installed in /tools,
84but have not yet been installed in the main system. LIBRARY_PATH is
85used to find libraries during the linking process. LD_LIBRARY_PATH is
86used to find libraries during program execution.</para></note>
87-->
88<para>Create some directories now that are needed for tests, but
89will also be used as a part of installation:</para>
90
91<screen><userinput remap="test">mkdir -pv /lib/udev/rules.d
92mkdir -pv /etc/udev/rules.d</userinput></screen>
93
94<para>To test the results, issue:</para>
95
96<screen><userinput remap="test">make check</userinput></screen>
97<!--<screen><userinput remap="test">make LD_LIBRARY_PATH=/tools/lib check</userinput></screen>-->
98
99 <para>Install the package:</para>
100
101<screen><userinput remap="install">make install</userinput></screen>
102<!--<screen><userinput remap="install">make LD_LIBRARY_PATH=/tools/lib install</userinput></screen>-->
103
104 <para>Install some custom rules and support files useful in an LFS
105 environment:</para>
106
107<screen><userinput remap="install">tar -xvf ../&udev-lfs-version;.tar.bz2
108make -f &udev-lfs-version;/Makefile.lfs install</userinput></screen>
109
110 </sect2>
111
112 <sect2 id="conf-eudev" role="configuration">
113 <title>Configuring Eudev</title>
114
115 <indexterm zone="conf-eudev">
116 <primary sortas="a-Eudev">Eudev</primary>
117 <secondary>configuring</secondary>
118 </indexterm>
119
120 <indexterm zone="conf-eudev">
121 <primary sortas="e-/etc/udev/hwdb.bin">/etc/udev/hwdb.bin</primary>
122 </indexterm>
123
124 <para>Information about hardware devices is maintained in the
125 <filename class="directory">/etc/udev/hwdb.d</filename> and
126 <filename class="directory">/lib/udev/hwdb.d</filename> directories.
127 <application>Eudev</application> needs that information to be compiled
128 into a binary database <filename>/etc/udev/hwdb.bin</filename>. Create the
129 initial database:</para>
130
131<!--<screen><userinput>LD_LIBRARY_PATH=/tools/lib udevadm hwdb - -update</userinput></screen>-->
132<screen><userinput>udevadm hwdb --update</userinput></screen>
133
134 <para>This command needs to be run each time the hardware information is
135 updated.</para>
136
137 </sect2>
138
139 <sect2 id="contents-eudev" role="content">
140 <title>Contents of Eudev</title>
141
142 <segmentedlist>
143 <segtitle>Installed programs</segtitle>
144 <segtitle>Installed libraries</segtitle>
145 <segtitle>Installed directories</segtitle>
146
147 <seglistitem>
148 <seg><!-- These are in /lib/udev and not to be called by the user:
149 accelerometer, ata_id, cdrom_id, collect, mtd_probe,
150 scsi_id, v4l_id,--> udevadm and udevd</seg>
151
152 <seg>libudev.so</seg>
153
154 <seg>/etc/udev, /lib/udev, and /usr/share/doc/udev-&udev-lfs-version;</seg>
155 </seglistitem>
156 </segmentedlist>
157
158 <variablelist>
159 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
160 <?dbfo list-presentation="list"?>
161 <?dbhtml list-presentation="table"?>
162 <varlistentry id="udevadm" revision="sysv">
163 <term><command>udevadm</command></term>
164 <listitem>
165 <para>Generic udev administration tool: controls the udevd daemon,
166 provides info from the Udev database, monitors uevents, waits for
167 uevents to finish, tests Udev configuration, and triggers uevents
168 for a given device</para>
169 <indexterm zone="ch-system-eudev udevadm">
170 <primary sortas="b-udevadm">udevadm</primary>
171 </indexterm>
172 </listitem>
173 </varlistentry>
174
175 <varlistentry id="udevd">
176 <term><command>udevd</command></term>
177 <listitem>
178 <para>A daemon that listens for uevents on the netlink socket,
179 creates devices and runs the configured external programs in
180 response to these uevents</para>
181 <indexterm zone="ch-system-eudev udevd">
182 <primary sortas="b-udevd">udevd</primary>
183 </indexterm>
184 </listitem>
185 </varlistentry>
186
187 <varlistentry id="libudev">
188 <term><filename class="libraryfile">libudev</filename></term>
189 <listitem>
190 <para>A library interface to udev device information</para>
191 <indexterm zone="ch-system-eudev libudev">
192 <primary sortas="c-libudev">libudev</primary>
193 </indexterm>
194 </listitem>
195 </varlistentry>
196
197 <varlistentry id="etc-udev">
198 <term><filename class="directory">/etc/udev</filename></term>
199 <listitem>
200 <para>Contains Udev configuration files,
201 device permissions, and rules for device naming</para>
202 <indexterm zone="ch-system-eudev etc-udev">
203 <primary sortas="e-/etc/udev">/etc/udev</primary>
204 </indexterm>
205 </listitem>
206 </varlistentry>
207
208 </variablelist>
209
210 </sect2>
211
212</sect1>
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