[3f8be484] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/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-64bit.html"?> |
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| 10 | |
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| 11 | <title>Glibc-&glibc-version; 64-Bit</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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[1cd688b] | 17 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 18 | href="glibc.xml" |
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| 19 | xpointer="xpointer(//*[@role='package'])"/> |
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[3f8be484] | 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/2003/XInclude" |
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| 25 | href="glibc.xml" |
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| 26 | xpointer="xpointer(//*[@os='b'])"/> |
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| 27 | |
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| 28 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 29 | href="../common/glibc.xml" |
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| 30 | xpointer="xpointer(//*[@os='c'])"/> |
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| 31 | |
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| 32 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 33 | href="../common/glibc.xml" |
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| 34 | xpointer="xpointer(//*[@os='d'])"/> |
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| 35 | |
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[7d61e92] | 36 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 37 | href="glibc.xml" |
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| 38 | xpointer="xpointer(//*[@os='s1'])"/> |
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| 39 | |
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| 40 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 41 | href="glibc.xml" |
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| 42 | xpointer="xpointer(//*[@os='s2'])"/> |
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| 43 | |
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[3f8be484] | 44 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 45 | href="glibc.xml" |
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| 46 | xpointer="xpointer(//*[@os='e'])"/> |
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| 47 | |
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| 48 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 49 | href="glibc.xml" |
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| 50 | xpointer="xpointer(//*[@os='f'])"/> |
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| 51 | |
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[60f69d0] | 52 | <para os="m1">Tell Glibc to install its 64-bit libraries into |
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[3f8be484] | 53 | <filename class="directory">/lib64</filename>:</para> |
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| 54 | |
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[d3a4fc0] | 55 | <screen os="m2"><userinput>echo "slibdir=/lib64" >> configparms</userinput></screen> |
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[3f8be484] | 56 | |
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| 57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 58 | href="glibc.xml" |
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| 59 | xpointer="xpointer(//*[@os='g'])"/> |
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| 60 | |
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[d3a4fc0] | 61 | <screen os="h"><userinput>CC="gcc ${BUILD64}" CXX="g++ ${BUILD64}" \ |
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[3f8be484] | 62 | ../glibc-&glibc-version;/configure --prefix=/usr \ |
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| 63 | --disable-profile --enable-add-ons --enable-kernel=2.6.0 \ |
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| 64 | --libexecdir=/usr/lib64/glibc --libdir=/usr/lib64</userinput></screen> |
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| 65 | |
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[d3a4fc0] | 66 | <variablelist os="i"> |
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[3f8be484] | 67 | <title>The meaning of the new configure option:</title> |
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| 68 | |
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| 69 | <varlistentry> |
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| 70 | <term><parameter>--libexecdir=/usr/lib64/glibc</parameter></term> |
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| 71 | <listitem> |
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| 72 | <para>This changes the location of the <command>pt_chown</command> |
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| 73 | program from its default of <filename |
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| 74 | class="directory">/usr/libexec</filename> to <filename |
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| 75 | class="directory">/usr/lib64/glibc</filename>.</para> |
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| 76 | </listitem> |
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| 77 | </varlistentry> |
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| 78 | </variablelist> |
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| 79 | |
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| 80 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 81 | href="glibc.xml" |
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| 82 | xpointer="xpointer(//*[@os='j'])"/> |
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| 83 | |
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| 84 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 85 | href="glibc.xml" |
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| 86 | xpointer="xpointer(//*[@os='k'])"/> |
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| 87 | |
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| 88 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 89 | href="glibc.xml" |
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| 90 | xpointer="xpointer(//*[@os='l'])"/> |
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| 91 | |
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| 92 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 93 | href="glibc.xml" |
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| 94 | xpointer="xpointer(//*[@os='m'])"/> |
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| 95 | |
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| 96 | <!-- items n,o,p here are now the master, not multilib, because |
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| 97 | the tests are known to all pass on multilib_64 --> |
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| 98 | |
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| 99 | <screen os="n"><userinput>make check</userinput></screen> |
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| 100 | |
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| 101 | <para os="o">The Glibc test suite is highly dependent on certain functions of |
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| 102 | the host system, in particular the kernel. In general, the Glibc test |
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| 103 | suite is always expected to pass. However, in certain circumstances, |
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| 104 | some failures are unavoidable. This is a list of the most common |
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| 105 | issues:</para> |
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| 106 | |
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| 107 | <itemizedlist os="p"> |
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| 108 | <listitem> |
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| 109 | <para>The <emphasis>math</emphasis> tests sometimes fail. |
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| 110 | Certain optimization settings are known to be a |
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| 111 | factor here.</para> |
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| 112 | </listitem> |
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| 113 | <listitem> |
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| 114 | <para>The <emphasis>gettext</emphasis> test sometimes fails due to |
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| 115 | host system issues. The exact reasons are not yet clear.</para> |
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| 116 | </listitem> |
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| 117 | <listitem> |
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| 118 | <para>If you have mounted the LFS partition with the |
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| 119 | <parameter>noatime</parameter> option, the <emphasis>atime</emphasis> test |
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| 120 | will fail. As mentioned in <xref linkend="ch-partitioning-mounting"/>, |
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| 121 | do not use the <parameter>noatime</parameter> option while building |
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| 122 | LFS.</para> |
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| 123 | </listitem> |
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| 124 | <listitem> |
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| 125 | <para>When running on older and slower hardware, some tests |
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| 126 | can fail because of test timeouts being exceeded.</para> |
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| 127 | </listitem> |
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| 128 | </itemizedlist> |
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| 129 | |
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| 130 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 131 | href="glibc.xml" |
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| 132 | xpointer="xpointer(//*[@os='s'])"/> |
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| 133 | |
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| 134 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 135 | href="glibc.xml" |
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| 136 | xpointer="xpointer(//*[@os='t'])"/> |
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| 137 | |
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| 138 | </sect2> |
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| 139 | |
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| 140 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 141 | href="../common/glibc.xml" |
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| 142 | xpointer="xpointer(id('i18n-glibc'))"/> |
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| 143 | |
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| 144 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 145 | href="../common/glibc.xml" |
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| 146 | xpointer="xpointer(id('conf-glibc'))"/> |
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| 147 | |
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| 148 | <sect2 id="conf-ld" role="configuration"> |
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[94e6142] | 149 | <title>Configuring The Dynamic Loader</title> |
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[3f8be484] | 150 | |
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| 151 | <indexterm zone="conf-ld"> |
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| 152 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary> |
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| 153 | </indexterm> |
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| 154 | |
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| 155 | <para>By default, the dynamic loader (<filename |
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| 156 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through |
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[54d004a8] | 157 | <filename class="directory">/lib</filename>, |
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[6bb43b3] | 158 | <filename class="directory">/lib64</filename>, |
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[54d004a8] | 159 | <filename class="directory">/usr/lib</filename>, |
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| 160 | and <filename class="directory">/usr/lib64</filename> for dynamic |
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| 161 | libraries that are needed by programs as they are run. However, if |
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| 162 | there are libraries in directories other than these, they need to be |
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[3f8be484] | 163 | added to the <filename>/etc/ld.so.conf</filename> file in order |
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[014d098b] | 164 | for the dynamic loader to find them. Some directories that are commonly |
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[3f8be484] | 165 | known to contain additional libraries are |
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| 166 | <filename class="directory">/usr/local/lib</filename>, |
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| 167 | <filename class="directory">/usr/local/lib64</filename>, |
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| 168 | <filename class="directory">/opt/lib</filename>, |
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| 169 | and <filename class="directory">/opt/lib64</filename>, |
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| 170 | so add those directories to the dynamic loader's search path.</para> |
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| 171 | |
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| 172 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the |
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| 173 | following:</para> |
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| 174 | |
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| 175 | <screen><userinput>cat > /etc/ld.so.conf << "EOF" |
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| 176 | <literal># Begin /etc/ld.so.conf |
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| 177 | |
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| 178 | /usr/local/lib |
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| 179 | /usr/local/lib64 |
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| 180 | /opt/lib |
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| 181 | /opt/lib64 |
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| 182 | |
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| 183 | # End /etc/ld.so.conf</literal> |
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| 184 | EOF</userinput></screen> |
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| 185 | |
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| 186 | </sect2> |
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| 187 | |
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| 188 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 189 | href="../common/glibc.xml" |
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| 190 | xpointer="xpointer(id('contents-glibc'))"/> |
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| 191 | |
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| 192 | </sect1> |
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