| 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-glibc" role="wrap">
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| 9 | <?dbhtml filename="glibc.html"?>
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| 10 |
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| 11 | <title>Glibc-&glibc-version;</title>
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| 12 |
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| 13 | <indexterm zone="ch-system-glibc">
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| 14 | <primary sortas="a-Glibc">Glibc</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 18 | href="../common/glibc.xml"
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| 19 | xpointer="xpointer(//*[@role='package'])"/>
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| 20 |
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| 21 | <sect2 role="installation">
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| 22 | <title>Installation of Glibc</title>
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| 23 |
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| 24 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 25 | href="../common/glibc.xml"
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| 26 | xpointer="xpointer(//*[@os='z'])"/>
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| 27 |
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| 28 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 29 | href="../common/glibc.xml"
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| 30 | xpointer="xpointer(//*[@os='l1'])"/>
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| 31 |
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| 32 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 33 | href="../common/glibc.xml"
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| 34 | xpointer="xpointer(//*[@os='l2'])"/>
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| 35 |
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| 36 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 37 | href="../common/glibc.xml"
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| 38 | xpointer="xpointer(//*[@os='b'])"/>
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| 39 |
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| 40 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 41 | href="../common/glibc.xml"
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| 42 | xpointer="xpointer(//*[@os='e'])"/>
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| 43 |
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| 44 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 45 | href="../common/glibc.xml"
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| 46 | xpointer="xpointer(//*[@os='f'])"/>
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| 47 |
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| 48 | <para os="l5">Configure Glibc to install its libraries into
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| 49 | <filename class="directory">/lib</filename>:</para>
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| 50 |
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| 51 | <screen os="l6"><userinput>echo "libc_cv_slibdir=/lib" >> config.cache</userinput></screen>
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| 52 |
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| 53 | <para os="l7">Modify the <command>ldd</command> rewrite script to remove
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| 54 | <filename class="directory">lib64</filename> and
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| 55 | <filename class="directory">libx32</filename> from RTLDLIST.</para>
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| 56 |
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| 57 | <screen os="l8"><userinput>sed -i '/RTLDLIST/d' sysdeps/unix/sysv/linux/*/ldd-rewrite.sed</userinput></screen>
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| 58 |
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| 59 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 60 | href="../common/glibc.xml"
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| 61 | xpointer="xpointer(//*[@os='g'])"/>
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| 62 |
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| 63 | <screen os="h"><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
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| 64 | --disable-profile --enable-kernel=&glibc-kernel-version; \
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| 65 | --libexecdir=/usr/lib/glibc --libdir=/usr/lib \
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| 66 | --enable-obsolete-rpc --cache-file=config.cache</userinput></screen>
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| 67 |
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| 68 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 69 | href="../common/glibc.xml"
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| 70 | xpointer="xpointer(//*[@os='i'])"/>
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| 71 |
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| 72 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 73 | href="../common/glibc.xml"
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| 74 | xpointer="xpointer(//*[@os='j'])"/>
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| 75 |
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| 76 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 77 | href="../common/glibc.xml"
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| 78 | xpointer="xpointer(//*[@os='k'])"/>
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| 79 |
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| 80 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 81 | href="../common/glibc.xml"
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| 82 | xpointer="xpointer(//*[@os='l'])"/>
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| 83 |
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| 84 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 85 | href="../common/glibc.xml"
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| 86 | xpointer="xpointer(//*[@os='m'])"/>
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| 87 |
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| 88 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 89 | href="../multilib/glibc-64bit.xml"
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| 90 | xpointer="xpointer(//*[@os='n'])"/>
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| 91 |
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| 92 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 93 | href="../multilib/glibc-64bit.xml"
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| 94 | xpointer="xpointer(//*[@os='o'])"/>
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| 95 |
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| 96 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 97 | href="../multilib/glibc-64bit.xml"
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| 98 | xpointer="xpointer(//*[@os='p'])"/>
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| 99 |
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| 100 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 101 | href="../common/glibc.xml"
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| 102 | xpointer="xpointer(//*[@os='q'])"/>
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| 103 |
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| 104 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 105 | href="../common/glibc.xml"
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| 106 | xpointer="xpointer(//*[@os='r'])"/>
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| 107 |
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| 108 | <para>The install will finish by checking that everything is correctly installed.
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| 109 | Unfortunately, it will test for a multilib installation. On x86_64 Pure64 this means
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| 110 | it will try to test the non-existent 32-bit loader which has a different name
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| 111 | from the 64-bit loader (unlike on other 64-bit architectures). We fool it by
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| 112 | creating a symlink to the real loader.</para>
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| 113 |
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| 114 | <screen><userinput>ln -sv &glibc-ld-name; /lib/ld-linux.so.2</userinput></screen>
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| 115 |
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| 116 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 117 | href="../common/glibc.xml"
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| 118 | xpointer="xpointer(//*[@os='s'])"/>
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| 119 |
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| 120 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 121 | href="../common/glibc.xml"
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| 122 | xpointer="xpointer(//*[@os='t'])"/>
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| 123 |
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| 124 | <para>Now we can remove this symlink:</para>
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| 125 |
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| 126 | <screen><userinput>rm -v /lib/ld-linux.so.2</userinput></screen>
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| 127 |
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| 128 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 129 | href="../common/glibc.xml"
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| 130 | xpointer="xpointer(//*[@os='u'])"/>
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| 131 |
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| 132 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 133 | href="../common/glibc.xml"
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| 134 | xpointer="xpointer(//*[@os='v'])"/>
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| 135 |
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| 136 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 137 | href="../common/glibc.xml"
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| 138 | xpointer="xpointer(//*[@os='w'])"/>
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| 139 |
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| 140 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 141 | href="../common/glibc.xml"
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| 142 | xpointer="xpointer(//*[@os='x'])"/>
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| 143 |
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| 144 | </sect2>
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| 145 |
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| 146 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 147 | href="../common/glibc.xml"
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| 148 | xpointer="xpointer(id('i18n-glibc'))"/>
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| 149 |
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| 150 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 151 | href="../common/glibc.xml"
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| 152 | xpointer="xpointer(id('conf-glibc'))"/>
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| 153 |
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| 154 | <sect2 id="conf-ld" role="configuration">
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| 155 | <title>Configuring The Dynamic Loader</title>
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| 156 |
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| 157 | <indexterm zone="conf-ld">
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| 158 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary>
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| 159 | </indexterm>
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| 160 |
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| 161 | <para>By default, the dynamic loader (<filename
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| 162 | class="libraryfile">/lib/ld-linux-x86-64.so.2</filename>) searches through
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| 163 | <filename class="directory">/lib</filename> and <filename
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| 164 | class="directory">/usr/lib</filename> for dynamic libraries that are
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| 165 | needed by programs as they are run. However, if there are libraries in
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| 166 | directories other than <filename class="directory">/lib</filename> and
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| 167 | <filename class="directory">/usr/lib</filename>, these need to be
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| 168 | added to the <filename>/etc/ld.so.conf</filename> file in order
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| 169 | for the dynamic loader to find them. Two directories that are commonly
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| 170 | known to contain additional libraries are <filename
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| 171 | class="directory">/usr/local/lib</filename> and <filename
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| 172 | class="directory">/opt/lib</filename>, so add those directories to the
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| 173 | dynamic loader's search path.</para>
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| 174 |
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| 175 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 176 | href="../common/glibc.xml"
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| 177 | xpointer="xpointer(//*[@os='ld-b'])"/>
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| 178 |
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| 179 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 180 | href="../common/glibc.xml"
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| 181 | xpointer="xpointer(//*[@os='ld-c'])"/>
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| 182 |
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| 183 | </sect2>
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| 184 |
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| 185 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 186 | href="../common/glibc.xml"
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| 187 | xpointer="xpointer(id('contents-glibc'))"/>
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| 188 |
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| 189 | </sect1>
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