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="glibc.xml" |
---|
30 | xpointer="xpointer(//*[@os='c'])"/> |
---|
31 | |
---|
32 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
33 | href="glibc.xml" |
---|
34 | xpointer="xpointer(//*[@os='d'])"/> |
---|
35 | |
---|
36 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
37 | href="glibc.xml" |
---|
38 | xpointer="xpointer(//*[@os='s1'])"/> |
---|
39 | |
---|
40 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
41 | href="glibc.xml" |
---|
42 | xpointer="xpointer(//*[@os='s2'])"/> |
---|
43 | |
---|
44 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
45 | href="glibc.xml" |
---|
46 | xpointer="xpointer(//*[@os='e'])"/> |
---|
47 | |
---|
48 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
49 | href="glibc.xml" |
---|
50 | xpointer="xpointer(//*[@os='f'])"/> |
---|
51 | |
---|
52 | <para>Now we make sure the Glibc goes into |
---|
53 | <filename class="directory">/lib64</filename>:</para> |
---|
54 | |
---|
55 | <screen><userinput>echo "slibdir=/lib64" >> configparms</userinput></screen> |
---|
56 | |
---|
57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
58 | href="glibc.xml" |
---|
59 | xpointer="xpointer(//*[@os='g'])"/> |
---|
60 | |
---|
61 | <screen><userinput>CC="gcc ${BUILD64}" CXX="g++ ${BUILD64}" \ |
---|
62 | ../glibc-&glibc-version;/configure --prefix=/usr \ |
---|
63 | --disable-profile --enable-add-ons --enable-kernel=2.6.0 \ |
---|
64 | --libexecdir=/usr/lib64/glibc --libdir=/usr/lib64</userinput></screen> |
---|
65 | |
---|
66 | <variablelist> |
---|
67 | <title>The meaning of the new configure option:</title> |
---|
68 | |
---|
69 | <varlistentry> |
---|
70 | <term><parameter>--libexecdir=/usr/lib64/glibc</parameter></term> |
---|
71 | <listitem> |
---|
72 | <para>This changes the location of the <command>pt_chown</command> |
---|
73 | program from its default of <filename |
---|
74 | class="directory">/usr/libexec</filename> to <filename |
---|
75 | class="directory">/usr/lib64/glibc</filename>.</para> |
---|
76 | </listitem> |
---|
77 | </varlistentry> |
---|
78 | </variablelist> |
---|
79 | |
---|
80 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
81 | href="glibc.xml" |
---|
82 | xpointer="xpointer(//*[@os='j'])"/> |
---|
83 | |
---|
84 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
85 | href="glibc.xml" |
---|
86 | xpointer="xpointer(//*[@os='k'])"/> |
---|
87 | |
---|
88 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
89 | href="glibc.xml" |
---|
90 | xpointer="xpointer(//*[@os='l'])"/> |
---|
91 | |
---|
92 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
93 | href="glibc.xml" |
---|
94 | xpointer="xpointer(//*[@os='m'])"/> |
---|
95 | |
---|
96 | <!-- items n,o,p here are now the master, not multilib, because |
---|
97 | the tests are known to all pass on multilib_64 --> |
---|
98 | |
---|
99 | <screen os="n"><userinput>make check</userinput></screen> |
---|
100 | |
---|
101 | <para os="o">The Glibc test suite is highly dependent on certain functions of |
---|
102 | the host system, in particular the kernel. In general, the Glibc test |
---|
103 | suite is always expected to pass. However, in certain circumstances, |
---|
104 | some failures are unavoidable. This is a list of the most common |
---|
105 | issues:</para> |
---|
106 | |
---|
107 | <itemizedlist os="p"> |
---|
108 | <listitem> |
---|
109 | <para>The <emphasis>math</emphasis> tests sometimes fail. |
---|
110 | Certain optimization settings are known to be a |
---|
111 | factor here.</para> |
---|
112 | </listitem> |
---|
113 | <listitem> |
---|
114 | <para>The <emphasis>gettext</emphasis> test sometimes fails due to |
---|
115 | host system issues. The exact reasons are not yet clear.</para> |
---|
116 | </listitem> |
---|
117 | <listitem> |
---|
118 | <para>If you have mounted the LFS partition with the |
---|
119 | <parameter>noatime</parameter> option, the <emphasis>atime</emphasis> test |
---|
120 | will fail. As mentioned in <xref linkend="ch-partitioning-mounting"/>, |
---|
121 | do not use the <parameter>noatime</parameter> option while building |
---|
122 | LFS.</para> |
---|
123 | </listitem> |
---|
124 | <listitem> |
---|
125 | <para>When running on older and slower hardware, some tests |
---|
126 | can fail because of test timeouts being exceeded.</para> |
---|
127 | </listitem> |
---|
128 | </itemizedlist> |
---|
129 | |
---|
130 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
131 | href="glibc.xml" |
---|
132 | xpointer="xpointer(//*[@os='s'])"/> |
---|
133 | |
---|
134 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
135 | href="glibc.xml" |
---|
136 | xpointer="xpointer(//*[@os='t'])"/> |
---|
137 | |
---|
138 | </sect2> |
---|
139 | |
---|
140 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
141 | href="../common/glibc.xml" |
---|
142 | xpointer="xpointer(id('i18n-glibc'))"/> |
---|
143 | |
---|
144 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
145 | href="../common/glibc.xml" |
---|
146 | xpointer="xpointer(id('conf-glibc'))"/> |
---|
147 | |
---|
148 | <sect2 id="conf-ld" role="configuration"> |
---|
149 | <title>Configuring Dynamic Loader</title> |
---|
150 | |
---|
151 | <indexterm zone="conf-ld"> |
---|
152 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary> |
---|
153 | </indexterm> |
---|
154 | |
---|
155 | <para>By default, the dynamic loader (<filename |
---|
156 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through |
---|
157 | <filename class="directory">/lib</filename> and <filename |
---|
158 | class="directory">/usr/lib</filename> for dynamic libraries that are |
---|
159 | needed by programs as they are run. However, if there are libraries in |
---|
160 | directories other than <filename class="directory">/lib</filename> and |
---|
161 | <filename class="directory">/usr/lib</filename>, these need to be |
---|
162 | added to the <filename>/etc/ld.so.conf</filename> file in order |
---|
163 | for the dynamic loader to find them. Some directories that are commonly |
---|
164 | known to contain additional libraries are |
---|
165 | <filename class="directory">/usr/local/lib</filename>, |
---|
166 | <filename class="directory">/usr/local/lib32</filename>, |
---|
167 | <filename class="directory">/usr/local/lib64</filename>, |
---|
168 | <filename class="directory">/opt/lib</filename>, |
---|
169 | <filename class="directory">/opt/lib32</filename>, |
---|
170 | and <filename class="directory">/opt/lib64</filename>, |
---|
171 | so add those directories to the dynamic loader's search path.</para> |
---|
172 | |
---|
173 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the |
---|
174 | following:</para> |
---|
175 | |
---|
176 | <screen><userinput>cat > /etc/ld.so.conf << "EOF" |
---|
177 | <literal># Begin /etc/ld.so.conf |
---|
178 | |
---|
179 | /usr/local/lib |
---|
180 | /usr/local/lib32 |
---|
181 | /usr/local/lib64 |
---|
182 | /opt/lib |
---|
183 | /opt/lib32 |
---|
184 | /opt/lib64 |
---|
185 | |
---|
186 | # End /etc/ld.so.conf</literal> |
---|
187 | EOF</userinput></screen> |
---|
188 | |
---|
189 | </sect2> |
---|
190 | |
---|
191 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
---|
192 | href="../common/glibc.xml" |
---|
193 | xpointer="xpointer(id('contents-glibc'))"/> |
---|
194 | |
---|
195 | </sect1> |
---|