source: BOOK/final-system/multilib/glibc-64bit.xml @ 10b2850

clfs-1.2clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 10b2850 was 10b2850, checked in by Ken Moffat <zarniwhoop@…>, 16 years ago

Add details of where to look if glibc tests fail, and move posix/annexc out of the paragraph on math tests.

  • Property mode set to 100644
File size: 6.6 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-system-glibc" role="wrap">
9  <?dbhtml filename="glibc-64bit.html"?>
10
11  <title>Glibc-&glibc-version; 64-Bit</title>
12
13  <indexterm zone="ch-system-glibc">
14    <primary sortas="a-Glibc">Glibc</primary>
15  </indexterm>
16
17  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
18  href="glibc.xml"
19  xpointer="xpointer(//*[@role='package'])"/>
20
21  <sect2 role="installation">
22    <title>Installation of Glibc</title>
23
24    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
25    href="glibc.xml"
26    xpointer="xpointer(//*[@os='b'])"/>
27
28    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
29    href="../common/glibc.xml"
30    xpointer="xpointer(//*[@os='c'])"/>
31
32    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
33    href="../common/glibc.xml"
34    xpointer="xpointer(//*[@os='d'])"/>
35
36    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
37    href="../common/glibc.xml"
38    xpointer="xpointer(//*[@os='p1'])"/>
39
40    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
41    href="../common/glibc.xml"
42    xpointer="xpointer(//*[@os='p2'])"/>
43
44    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
45    href="glibc.xml"
46    xpointer="xpointer(//*[@os='s1'])"/>
47
48    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
49    href="glibc.xml"
50    xpointer="xpointer(//*[@os='s2'])"/>
51
52    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
53    href="glibc.xml"
54    xpointer="xpointer(//*[@os='e'])"/>
55
56    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
57    href="glibc.xml"
58    xpointer="xpointer(//*[@os='f'])"/>
59
60    <para os="m1">Tell Glibc to install its 64-bit libraries into
61    <filename class="directory">/lib64</filename>:</para>
62
63<screen os="m2"><userinput>echo "slibdir=/lib64" &gt;&gt; configparms</userinput></screen>
64
65    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
66    href="glibc.xml"
67    xpointer="xpointer(//*[@os='g'])"/>
68
69<screen os="h"><userinput>CC="gcc ${BUILD64}" CXX="g++ ${BUILD64}" \
70    ../glibc-&glibc-version;/configure --prefix=/usr \
71    --disable-profile --enable-add-ons --enable-kernel=2.6.0 \
72    --libexecdir=/usr/lib64/glibc --libdir=/usr/lib64</userinput></screen>
73
74    <variablelist os="i">
75      <title>The meaning of the new configure option:</title>
76
77      <varlistentry>
78        <term><parameter>--libexecdir=/usr/lib64/glibc</parameter></term>
79        <listitem>
80          <para>This changes the location of the <command>pt_chown</command>
81          program from its default of <filename
82          class="directory">/usr/libexec</filename> to <filename
83          class="directory">/usr/lib64/glibc</filename>.</para>
84        </listitem>
85      </varlistentry>
86    </variablelist>
87
88    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
89    href="glibc.xml"
90    xpointer="xpointer(//*[@os='j'])"/>
91
92    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
93    href="glibc.xml"
94    xpointer="xpointer(//*[@os='k'])"/>
95
96    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
97    href="glibc.xml"
98    xpointer="xpointer(//*[@os='l'])"/>
99
100    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
101    href="glibc.xml"
102    xpointer="xpointer(//*[@os='m'])"/>
103
104    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
105    href="glibc.xml"
106    xpointer="xpointer(//*[@os='n'])"/>
107
108    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
109    href="glibc.xml"
110    xpointer="xpointer(//*[@os='o'])"/>
111
112    <itemizedlist os="p">
113      <listitem>
114        <para>The <emphasis>math</emphasis> tests sometimes fail.
115        Certain optimization settings are known to be a
116        factor here.</para>
117      </listitem>
118      <listitem>
119        <para>The <emphasis>gettext</emphasis> test sometimes fails due to
120        host system issues. The exact reasons are not yet clear.</para>
121      </listitem>
122      <listitem>
123        <para>If you have mounted the CLFS partition with the
124        <parameter>noatime</parameter> option, the <emphasis>atime</emphasis> test
125        will fail. As mentioned in <xref linkend="ch-partitioning-mounting"/>,
126        do not use the <parameter>noatime</parameter> option while building
127        CLFS.</para>
128      </listitem>
129      <listitem>
130        <para>When running on older and slower hardware, some tests
131        can fail because of test timeouts being exceeded.</para>
132      </listitem>
133    </itemizedlist>
134
135    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
136    href="glibc.xml"
137    xpointer="xpointer(//*[@os='s'])"/>
138
139    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
140    href="glibc.xml"
141    xpointer="xpointer(//*[@os='t'])"/>
142
143  </sect2>
144
145  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
146  href="../common/glibc.xml"
147  xpointer="xpointer(id('i18n-glibc'))"/>
148
149  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
150  href="../common/glibc.xml"
151  xpointer="xpointer(id('conf-glibc'))"/>
152
153  <sect2 id="conf-ld" role="configuration">
154    <title>Configuring The Dynamic Loader</title>
155
156    <indexterm zone="conf-ld">
157      <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary>
158    </indexterm>
159
160    <para>By default, the dynamic loader (<filename
161    class="libraryfile">/lib/ld-linux.so.2</filename>) searches through
162    <filename class="directory">/lib</filename>,
163    <filename class="directory">/lib64</filename>,
164    <filename class="directory">/usr/lib</filename>,
165    and <filename class="directory">/usr/lib64</filename> for dynamic
166    libraries that are needed by programs as they are run. However, if
167    there are libraries in directories other than these, they need to be
168    added to the <filename>/etc/ld.so.conf</filename> file in order
169    for the dynamic loader to find them. Some directories that are commonly
170    known to contain additional libraries are
171    <filename class="directory">/usr/local/lib</filename>,
172    <filename class="directory">/usr/local/lib64</filename>,
173    <filename class="directory">/opt/lib</filename>,
174    and <filename class="directory">/opt/lib64</filename>,
175    so add those directories to the dynamic loader's search path.</para>
176
177    <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the
178    following:</para>
179
180<screen><userinput>cat &gt; /etc/ld.so.conf &lt;&lt; "EOF"
181<literal># Begin /etc/ld.so.conf
182
183/usr/local/lib
184/usr/local/lib64
185/opt/lib
186/opt/lib64
187
188# End /etc/ld.so.conf</literal>
189EOF</userinput></screen>
190
191  </sect2>
192
193  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
194  href="../common/glibc.xml"
195  xpointer="xpointer(id('contents-glibc'))"/>
196
197</sect1>
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