[3f8be484] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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[aa18ac0] | 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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[3f8be484] | 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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[cbbd1e4] | 8 | <sect1 id="ch-system-glibc" role="wrap"> |
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| 9 | <?dbhtml filename="glibc.html"?> |
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[3f8be484] | 10 | |
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[d785e9d] | 11 | <title>Glibc-&glibc-version;</title> |
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[3f8be484] | 12 | |
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[cbbd1e4] | 13 | <indexterm zone="ch-system-glibc"> |
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[d785e9d] | 14 | <primary sortas="a-Glibc">Glibc</primary> |
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[3f8be484] | 15 | </indexterm> |
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| 16 | |
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[dabbced] | 17 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 18 | href="../common/glibc.xml" |
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[7dfa1a8] | 19 | xpointer="xpointer(//*[@role='package'])"/> |
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[3f8be484] | 20 | |
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| 21 | <sect2 role="installation"> |
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[d785e9d] | 22 | <title>Installation of Glibc</title> |
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[3f8be484] | 23 | |
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[dabbced] | 24 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 25 | href="../common/glibc.xml" |
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[82f7fed] | 26 | xpointer="xpointer(//*[@os='z'])"/> |
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[3f8be484] | 27 | |
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[dabbced] | 28 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 29 | href="../common/glibc.xml" |
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[22cd957] | 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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[cbbd1e4] | 33 | href="../common/glibc.xml" |
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[22cd957] | 34 | xpointer="xpointer(//*[@os='l2'])"/> |
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| 35 | |
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[dabbced] | 36 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 37 | href="../common/glibc.xml" |
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[3f8be484] | 38 | xpointer="xpointer(//*[@os='b'])"/> |
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| 39 | |
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[00a58649] | 40 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 41 | href="../common/glibc.xml" |
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[00a58649] | 42 | xpointer="xpointer(//*[@os='s1'])"/> |
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| 43 | |
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| 44 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 45 | href="../common/glibc.xml" |
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[00a58649] | 46 | xpointer="xpointer(//*[@os='s2'])"/> |
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| 47 | |
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[dabbced] | 48 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 49 | href="../common/glibc.xml" |
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[3f8be484] | 50 | xpointer="xpointer(//*[@os='e'])"/> |
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| 51 | |
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[dabbced] | 52 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 53 | href="../common/glibc.xml" |
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[3f8be484] | 54 | xpointer="xpointer(//*[@os='f'])"/> |
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| 55 | |
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[005d85d] | 56 | <para os="l5">Configure Glibc to install its libraries into |
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[3f8be484] | 57 | <filename class="directory">/lib</filename>:</para> |
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| 58 | |
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[5438820] | 59 | <screen os="l6"><userinput>echo "libc_cv_rtlddir=/lib" >> config.cache |
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[717c66f] | 60 | echo "libc_cv_slibdir=/lib" >> config.cache</userinput></screen> |
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[3f8be484] | 61 | |
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[dabbced] | 62 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 63 | href="../common/glibc.xml" |
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[3f8be484] | 64 | xpointer="xpointer(//*[@os='g'])"/> |
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| 65 | |
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[631c8f4] | 66 | <screen os="h"><userinput>../glibc-&glibc-version;/configure --prefix=/usr \ |
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[11e2d29] | 67 | --disable-profile --enable-kernel=&glibc-kernel-version; \ |
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[cbbd1e4] | 68 | --libexecdir=/usr/lib/glibc --libdir=/usr/lib \ |
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[f0177f6] | 69 | --enable-obsolete-rpc --cache-file=config.cache</userinput></screen> |
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[3f8be484] | 70 | |
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[52e5dd9] | 71 | <variablelist os="i"> |
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[3f8be484] | 72 | <title>The meaning of the new configure option:</title> |
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| 73 | |
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| 74 | <varlistentry> |
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[cbbd1e4] | 75 | <term><parameter>--libexecdir=/usr/lib/glibc</parameter></term> |
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[3f8be484] | 76 | <listitem> |
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[b5bd3744] | 77 | <para>This changes the location of the <command>getconf</command> |
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| 78 | utility from its default of <filename |
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[3f8be484] | 79 | class="directory">/usr/libexec</filename> to <filename |
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[cbbd1e4] | 80 | class="directory">/usr/lib/glibc</filename>.</para> |
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[3f8be484] | 81 | </listitem> |
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| 82 | </varlistentry> |
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| 83 | </variablelist> |
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| 84 | |
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[dabbced] | 85 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 86 | href="../common/glibc.xml" |
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[3f8be484] | 87 | xpointer="xpointer(//*[@os='j'])"/> |
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| 88 | |
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[dabbced] | 89 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 90 | href="../common/glibc.xml" |
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[3f8be484] | 91 | xpointer="xpointer(//*[@os='k'])"/> |
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| 92 | |
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[dabbced] | 93 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 94 | href="../common/glibc.xml" |
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[3f8be484] | 95 | xpointer="xpointer(//*[@os='l'])"/> |
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| 96 | |
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[dabbced] | 97 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 98 | href="../common/glibc.xml" |
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[3f8be484] | 99 | xpointer="xpointer(//*[@os='m'])"/> |
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| 100 | |
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[dabbced] | 101 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 102 | href="../multilib/glibc-64bit.xml" |
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[3f8be484] | 103 | xpointer="xpointer(//*[@os='n'])"/> |
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| 104 | |
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[dabbced] | 105 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 106 | href="../multilib/glibc-64bit.xml" |
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[3514708] | 107 | xpointer="xpointer(//*[@os='o'])"/> |
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| 108 | |
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[dabbced] | 109 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 110 | href="../multilib/glibc-64bit.xml" |
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[3514708] | 111 | xpointer="xpointer(//*[@os='p'])"/> |
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| 112 | |
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[dabbced] | 113 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 114 | href="../common/glibc.xml" |
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[3f8be484] | 115 | xpointer="xpointer(//*[@os='q'])"/> |
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| 116 | |
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[dabbced] | 117 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 118 | href="../common/glibc.xml" |
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[3f8be484] | 119 | xpointer="xpointer(//*[@os='r'])"/> |
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| 120 | |
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| 121 | <para>The install will finish by checking that everything is correctly installed. |
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[5650fbe] | 122 | Unfortunately, it will test for a multilib installation. On x86_64 Pure64 this means |
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[3f8be484] | 123 | it will try to test the non-existent 32-bit loader which has a different name |
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| 124 | from the 64-bit loader (unlike on other 64-bit architectures). We fool it by |
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| 125 | creating a symlink to the real loader.</para> |
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| 126 | |
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[cbbd1e4] | 127 | <screen><userinput>ln -sv &glibc-ld-name; /lib/ld-linux.so.2</userinput></screen> |
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[3f8be484] | 128 | |
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[dabbced] | 129 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 130 | href="../common/glibc.xml" |
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[3f8be484] | 131 | xpointer="xpointer(//*[@os='s'])"/> |
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| 132 | |
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[dabbced] | 133 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 134 | href="../common/glibc.xml" |
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[3f8be484] | 135 | xpointer="xpointer(//*[@os='t'])"/> |
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| 136 | |
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| 137 | <para>Now we can remove this symlink. We also need to correct the <command> |
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| 138 | /usr/bin/ldd</command> script - if you look at this, you will see it references |
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| 139 | not only the 32-bit linker, but also /lib64 where it thinks the 64-bit linker |
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[39139e4] | 140 | is. The following <command>sed</command> will correct this:</para> |
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[3f8be484] | 141 | |
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[94e6142] | 142 | <screen><userinput>rm -v /lib/ld-linux.so.2 |
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[4523411] | 143 | sed -i.bak '/RTLDLIST/s%/ld-linux.so.2 /lib64%%' /usr/bin/ldd</userinput></screen> |
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[3f8be484] | 144 | |
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| 145 | <para>Check the script to make sure the sed worked correctly, then delete |
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| 146 | the backup.</para> |
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| 147 | |
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[94e6142] | 148 | <screen><userinput>rm -v /usr/bin/ldd.bak</userinput></screen> |
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[3f8be484] | 149 | |
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[cf9aa7e] | 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(//*[@os='u'])"/> |
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| 153 | |
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| 154 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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| 155 | href="../common/glibc.xml" |
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| 156 | xpointer="xpointer(//*[@os='v'])"/> |
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| 157 | |
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| 158 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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| 159 | href="../common/glibc.xml" |
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| 160 | xpointer="xpointer(//*[@os='w'])"/> |
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| 161 | |
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| 162 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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| 163 | href="../common/glibc.xml" |
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| 164 | xpointer="xpointer(//*[@os='x'])"/> |
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| 165 | |
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[3f8be484] | 166 | </sect2> |
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| 167 | |
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[dabbced] | 168 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 169 | href="../common/glibc.xml" |
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| 170 | xpointer="xpointer(id('i18n-glibc'))"/> |
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[3f8be484] | 171 | |
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[dabbced] | 172 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 173 | href="../common/glibc.xml" |
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| 174 | xpointer="xpointer(id('conf-glibc'))"/> |
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[3f8be484] | 175 | |
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[3998188] | 176 | <sect2 id="conf-ld" role="configuration"> |
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| 177 | <title>Configuring The Dynamic Loader</title> |
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| 178 | |
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| 179 | <indexterm zone="conf-ld"> |
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| 180 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary> |
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| 181 | </indexterm> |
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| 182 | |
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| 183 | <para>By default, the dynamic loader (<filename |
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| 184 | class="libraryfile">/lib/ld-linux-x86-64.so.2</filename>) searches through |
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| 185 | <filename class="directory">/lib</filename> and <filename |
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| 186 | class="directory">/usr/lib</filename> for dynamic libraries that are |
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| 187 | needed by programs as they are run. However, if there are libraries in |
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| 188 | directories other than <filename class="directory">/lib</filename> and |
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| 189 | <filename class="directory">/usr/lib</filename>, these need to be |
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| 190 | added to the <filename>/etc/ld.so.conf</filename> file in order |
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| 191 | for the dynamic loader to find them. Two directories that are commonly |
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| 192 | known to contain additional libraries are <filename |
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| 193 | class="directory">/usr/local/lib</filename> and <filename |
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| 194 | class="directory">/opt/lib</filename>, so add those directories to the |
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| 195 | dynamic loader's search path.</para> |
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| 196 | |
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[dabbced] | 197 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 198 | href="../common/glibc.xml" |
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[3998188] | 199 | xpointer="xpointer(//*[@os='ld-b'])"/> |
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| 200 | |
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[dabbced] | 201 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 202 | href="../common/glibc.xml" |
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[3998188] | 203 | xpointer="xpointer(//*[@os='ld-c'])"/> |
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| 204 | |
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| 205 | </sect2> |
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[3f8be484] | 206 | |
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[dabbced] | 207 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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[cbbd1e4] | 208 | href="../common/glibc.xml" |
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| 209 | xpointer="xpointer(id('contents-glibc'))"/> |
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[3f8be484] | 210 | |
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| 211 | </sect1> |
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