[1fa2099] | 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-eudev" role="wrap" revision="sysv">
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| 9 | <?dbhtml filename="eudev.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>eudev</productname>
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| 13 | <productnumber>&eudev-version;</productnumber>
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| 14 | <address>&eudev-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Eudev-&eudev-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-eudev">
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| 20 | <primary sortas="a-Eudev">Eudev</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Eudev package contains programs for dynamic creation of device
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| 27 | nodes.</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>&eudev-ch6-sbu;</seg>
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| 35 | <seg>&eudev-ch6-du;</seg>
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| 36 | </seglistitem>
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| 37 | </segmentedlist>
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| 38 | </sect2>
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| 39 |
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| 40 | <sect2 role="installation">
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| 41 | <title>Installation of Eudev</title>
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| 42 | <!--
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| 43 | <para>First, fix a test script:</para>
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| 44 |
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| 45 | <screen><userinput remap="pre">sed -r -i 's|/usr(/bin/test)|\1|' test/udev-test.pl</userinput></screen>
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| 46 | -->
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| 47 | <!--
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| 48 | <para>Next, remove an unneeded line that causes a build failure:</para>
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| 49 |
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| 50 | <screen><userinput remap="pre">sed -i '/keyboard_lookup_key/d' src/udev/udev-builtin-keyboard.c</userinput></screen>
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| 51 | -->
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[01ffc23] | 52 | <para>First, add a workaround to prevent the /tools directory from being
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[1fa2099] | 53 | hard coded into Eudev binary files library locations:</para>
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| 54 |
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| 55 | <screen><userinput remap="pre">cat > config.cache << "EOF"
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| 56 | HAVE_BLKID=1
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| 57 | BLKID_LIBS="-lblkid"
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| 58 | BLKID_CFLAGS="-I/tools/include"
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| 59 | EOF</userinput></screen>
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| 60 |
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| 61 | <para>Prepare Eudev for compilation:</para>
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| 62 |
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| 63 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 64 | --bindir=/sbin \
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| 65 | --sbindir=/sbin \
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| 66 | --libdir=/usr/lib \
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| 67 | --sysconfdir=/etc \
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| 68 | --libexecdir=/lib \
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| 69 | --with-rootprefix= \
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| 70 | --with-rootlibdir=/lib \
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| 71 | --enable-manpages \
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| 72 | --disable-static \
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| 73 | --config-cache</userinput></screen>
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| 74 |
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| 75 | <para>Compile the package:</para>
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| 76 |
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| 77 | <screen><userinput remap="make">LIBRARY_PATH=/tools/lib make</userinput></screen>
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| 78 |
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| 79 | <note><para>The LIBRARY_PATH variable here and the LD_LIBRARY_PATH variable
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| 80 | below are needed to allow the use of libraries that were installed in /tools,
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| 81 | but have not yet been installed in the main system. LIBRARY_PATH is
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| 82 | used to find libraries during the linking process. LD_LIBRARY_PATH is
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| 83 | used to find libraries during program execution.</para></note>
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| 84 |
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| 85 | <para>Create some directories now that are needed for tests, but
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| 86 | will also be used as a part of installation:</para>
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| 87 |
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| 88 | <screen><userinput remap="test">mkdir -pv /lib/udev/rules.d
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| 89 | mkdir -pv /etc/udev/rules.d</userinput></screen>
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| 90 |
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| 91 | <para>To test the results, issue:</para>
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| 92 |
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| 93 | <screen><userinput remap="test">make LD_LIBRARY_PATH=/tools/lib check</userinput></screen>
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| 94 |
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| 95 | <para>Install the package:</para>
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| 96 |
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| 97 | <screen><userinput remap="install">make LD_LIBRARY_PATH=/tools/lib install</userinput></screen>
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| 98 |
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| 99 | <para>Install some custom rules and support files useful in an LFS
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| 100 | environment:</para>
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| 101 |
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| 102 | <screen><userinput remap="install">tar -xvf ../&udev-lfs-version;.tar.bz2
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| 103 | make -f &udev-lfs-version;/Makefile.lfs install</userinput></screen>
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| 104 |
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| 105 | </sect2>
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| 106 |
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[8eb3fe4] | 107 | <!-- ~~~~~~~~~~~~~~~~~~~~ ABI 32 ~~~~~~~~~~~~~~~~~~~~ -->
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| 108 |
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[ee1a413] | 109 | <sect2 arch="ml_32,ml_all" role="installation">
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[8eb3fe4] | 110 | <title>Installation of Eudev - 32-bit</title>
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| 111 |
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| 112 | <para>Clean previous build:</para>
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| 113 |
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| 114 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 115 |
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| 116 | <para>Prepare Eudev for compilation:</para>
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| 117 |
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| 118 | <screen><userinput remap="configure">CC="gcc -m32" \
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| 119 | ./configure --host=i686-pc-linux-gnu \
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| 120 | --prefix=/usr \
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| 121 | --bindir=/sbin \
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| 122 | --sbindir=/sbin \
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| 123 | --libdir=/usr/lib32 \
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| 124 | --sysconfdir=/etc \
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| 125 | --libexecdir=/lib32 \
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| 126 | --with-rootprefix= \
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| 127 | --with-rootlibdir=/usr/lib32 \
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| 128 | --disable-manpages \
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| 129 | --disable-static \
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| 130 | --config-cache</userinput></screen>
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| 131 |
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| 132 | <para>Compile the package:</para>
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| 133 |
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| 134 | <screen><userinput remap="make">make</userinput></screen>
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| 135 |
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| 136 | <para>Install the package:</para>
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| 137 |
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| 138 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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| 139 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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| 140 | rm -rf DESTDIR</userinput></screen>
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| 141 |
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| 142 | </sect2>
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| 143 |
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| 144 | <!-- ~~~~~~~~~~~~~~~~~~~~ ABI x32 ~~~~~~~~~~~~~~~~~~~~ -->
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| 145 |
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[ee1a413] | 146 | <sect2 arch="ml_x32,ml_all" role="installation">
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[8eb3fe4] | 147 | <title>Installation of Eudev - x32-bit</title>
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| 148 |
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| 149 | <para>Clean previous build:</para>
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| 150 |
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| 151 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 152 |
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| 153 | <para>Prepare Eudev for compilation:</para>
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| 154 |
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| 155 | <screen><userinput remap="configure">CC="gcc -mx32" \
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| 156 | ./configure --prefix=/usr \
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| 157 | --bindir=/sbin \
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| 158 | --sbindir=/sbin \
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| 159 | --libdir=/usr/libx32 \
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| 160 | --sysconfdir=/etc \
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| 161 | --libexecdir=/libx32 \
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| 162 | --with-rootprefix= \
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| 163 | --with-rootlibdir=/usr/libx32 \
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| 164 | --disable-manpages \
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| 165 | --disable-static \
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| 166 | --config-cache</userinput></screen>
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| 167 |
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| 168 | <para>Compile the package:</para>
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| 169 |
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| 170 | <screen><userinput remap="make">make</userinput></screen>
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| 171 |
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| 172 | <para>Install the package:</para>
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| 173 |
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| 174 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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| 175 | cp -Rv DESTDIR/usr/libx32/* /usr/libx32
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| 176 | rm -rf DESTDIR</userinput></screen>
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| 177 |
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| 178 | </sect2>
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| 179 |
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[1fa2099] | 180 | <sect2 id="conf-eudev" role="configuration">
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| 181 | <title>Configuring Eudev</title>
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| 182 |
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| 183 | <indexterm zone="conf-eudev">
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| 184 | <primary sortas="a-Eudev">Eudev</primary>
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| 185 | <secondary>configuring</secondary>
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| 186 | </indexterm>
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| 187 |
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| 188 | <indexterm zone="conf-eudev">
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| 189 | <primary sortas="e-/etc/udev/hwdb.bin">/etc/udev/hwdb.bin</primary>
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| 190 | </indexterm>
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| 191 |
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| 192 | <para>Information about hardware devices is maintained in the
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| 193 | <filename class="directory">/etc/udev/hwdb.d</filename> and
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| 194 | <filename class="directory">/lib/udev/hwdb.d</filename> directories.
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| 195 | <application>Eudev</application> needs that information to be compiled
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| 196 | into a binary database <filename>/etc/udev/hwdb.bin</filename>. Create the
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| 197 | initial database:</para>
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| 198 |
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| 199 | <screen><userinput>LD_LIBRARY_PATH=/tools/lib udevadm hwdb --update</userinput></screen>
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| 200 |
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| 201 | <para>This command needs to be run each time the hardware information is
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| 202 | updated.</para>
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| 203 |
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| 204 | </sect2>
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| 205 |
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| 206 | <sect2 id="contents-eudev" role="content">
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| 207 | <title>Contents of Eudev</title>
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| 208 |
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| 209 | <segmentedlist>
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| 210 | <segtitle>Installed programs</segtitle>
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| 211 | <segtitle>Installed libraries</segtitle>
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| 212 | <segtitle>Installed directories</segtitle>
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| 213 |
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| 214 | <seglistitem>
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| 215 | <seg><!-- These are in /lib/udev and not to be called by the user:
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| 216 | accelerometer, ata_id, cdrom_id, collect, mtd_probe,
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| 217 | scsi_id, v4l_id,--> udevadm and udevd</seg>
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| 218 |
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| 219 | <seg>libudev.so</seg>
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| 220 |
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| 221 | <seg>/etc/udev, /lib/udev, and /usr/share/doc/udev-&udev-lfs-version;</seg>
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| 222 | </seglistitem>
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| 223 | </segmentedlist>
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| 224 |
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| 225 | <variablelist>
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| 226 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 227 | <?dbfo list-presentation="list"?>
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| 228 | <?dbhtml list-presentation="table"?>
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| 229 | <varlistentry id="udevadm" revision="sysv">
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| 230 | <term><command>udevadm</command></term>
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| 231 | <listitem>
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| 232 | <para>Generic udev administration tool: controls the udevd daemon,
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| 233 | provides info from the Udev database, monitors uevents, waits for
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| 234 | uevents to finish, tests Udev configuration, and triggers uevents
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| 235 | for a given device</para>
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| 236 | <indexterm zone="ch-system-eudev udevadm">
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| 237 | <primary sortas="b-udevadm">udevadm</primary>
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| 238 | </indexterm>
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| 239 | </listitem>
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| 240 | </varlistentry>
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| 241 |
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| 242 | <varlistentry id="udevd">
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| 243 | <term><command>udevd</command></term>
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| 244 | <listitem>
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| 245 | <para>A daemon that listens for uevents on the netlink socket,
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| 246 | creates devices and runs the configured external programs in
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| 247 | response to these uevents</para>
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| 248 | <indexterm zone="ch-system-eudev udevd">
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| 249 | <primary sortas="b-udevd">udevd</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="libudev">
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| 255 | <term><filename class="libraryfile">libudev</filename></term>
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| 256 | <listitem>
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| 257 | <para>A library interface to udev device information</para>
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| 258 | <indexterm zone="ch-system-eudev libudev">
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| 259 | <primary sortas="c-libudev">libudev</primary>
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| 260 | </indexterm>
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| 261 | </listitem>
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| 262 | </varlistentry>
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| 263 |
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| 264 | <varlistentry id="etc-udev">
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| 265 | <term><filename class="directory">/etc/udev</filename></term>
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| 266 | <listitem>
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| 267 | <para>Contains Udev configuration files,
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| 268 | device permissions, and rules for device naming</para>
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| 269 | <indexterm zone="ch-system-eudev etc-udev">
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| 270 | <primary sortas="e-/etc/udev">/etc/udev</primary>
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| 271 | </indexterm>
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| 272 | </listitem>
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| 273 | </varlistentry>
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| 274 |
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| 275 | </variablelist>
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| 276 |
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| 277 | </sect2>
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| 278 |
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| 279 | </sect1>
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