source: BOOK/final-system/multilib/glibc-64bit.xml @ 58375318

systemd
Last change on this file since 58375318 was 58375318, checked in by William Harrington <kb0iic@…>, 5 years ago

Use --enable-stack-protector=strong during GLIBC final system.

  • Property mode set to 100644
File size: 6.2 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/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/2001/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/2001/XInclude"
25    href="../common/glibc.xml"
26    xpointer="xpointer(//*[@os='l1'])"/>
27
28<screen os="l2"><userinput>LINKER=$(readelf -l /tools/bin/bash | sed -n 's@.*interpret.*/tools\(.*\)]$@\1@p')
29sed -i "s|libs -o|libs -L/usr/lib64 -Wl,-dynamic-linker=${LINKER} -o|" \
30  scripts/test-installation.pl
31unset LINKER</userinput></screen>
32
33    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
34    href="glibc.xml"
35    xpointer="xpointer(//*[@os='b'])"/>
36
37    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
38    href="glibc.xml"
39    xpointer="xpointer(//*[@os='e'])"/>
40
41    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
42    href="glibc.xml"
43    xpointer="xpointer(//*[@os='f'])"/>
44
45    <para os="m1">Configure Glibc to install its 64-bit libraries into
46    <filename class="directory">/lib64</filename>:</para>
47
48<screen os="m2"><userinput>echo "libc_cv_slibdir=/lib64" &gt;&gt; config.cache</userinput></screen>
49
50    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
51    href="glibc.xml"
52    xpointer="xpointer(//*[@os='g'])"/>
53
54<screen os="h"><userinput>CC="gcc ${BUILD64}" CXX="g++ ${BUILD64}" \
55../glibc-&glibc-version;/configure \
56    --prefix=/usr \
57    --enable-kernel=&glibc-kernel-version; \
58    --libexecdir=/usr/lib64/glibc \
59    --libdir=/usr/lib64 \
60    --enable-obsolete-rpc \
61    --enable-stack-protector=strong \
62    --cache-file=config.cache</userinput></screen>
63
64    <variablelist os="i">
65      <title>The meaning of the new configure option:</title>
66
67      <varlistentry>
68        <term><parameter>--libexecdir=/usr/lib64/glibc</parameter></term>
69        <listitem>
70          <para>This changes the location for hard links to the
71          <command>getconf</command> utility from their default of <filename
72          class="directory">/usr/libexec</filename> to <filename
73          class="directory">/usr/lib64/glibc</filename>.</para>
74        </listitem>
75      </varlistentry>
76    </variablelist>
77
78    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
79    href="glibc.xml"
80    xpointer="xpointer(//*[@os='j'])"/>
81
82    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
83    href="glibc.xml"
84    xpointer="xpointer(//*[@os='k'])"/>
85
86    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
87    href="glibc.xml"
88    xpointer="xpointer(//*[@os='l'])"/>
89
90    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
91    href="glibc.xml"
92    xpointer="xpointer(//*[@os='m'])"/>
93
94    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
95    href="glibc.xml"
96    xpointer="xpointer(//*[@os='n'])"/>
97
98    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
99    href="glibc.xml"
100    xpointer="xpointer(//*[@os='o'])"/>
101
102    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
103    href="../common/glibc.xml"
104    xpointer="xpointer(//*[@os='p'])"/>
105
106    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
107    href="glibc.xml"
108    xpointer="xpointer(//*[@os='s'])"/>
109
110    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
111    href="glibc.xml"
112    xpointer="xpointer(//*[@os='t'])"/>
113
114    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
115    href="../common/glibc.xml"
116    xpointer="xpointer(//*[@os='u'])"/>
117
118    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
119    href="../common/glibc.xml"
120    xpointer="xpointer(//*[@os='v'])"/>
121
122    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
123    href="../common/glibc.xml"
124    xpointer="xpointer(//*[@os='w'])"/>
125
126    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
127    href="../common/glibc.xml"
128    xpointer="xpointer(//*[@os='x'])"/>
129
130  </sect2>
131
132  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
133  href="../common/glibc.xml"
134  xpointer="xpointer(id('i18n-glibc'))"/>
135
136  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
137  href="../common/glibc.xml"
138  xpointer="xpointer(id('conf-glibc'))"/>
139
140  <sect2 id="conf-ld" role="configuration">
141    <title>Configuring The Dynamic Loader</title>
142
143    <indexterm zone="conf-ld">
144      <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary>
145    </indexterm>
146
147    <para os="ld-a">By default, the dynamic loader (<filename
148    class="libraryfile">/lib/ld-linux.so.2</filename> for 32bit executables and
149    <filename class="libraryfile">/lib64/ld-linux.so.2</filename> for
150    64bit executables) searches through
151    <filename class="directory">/lib</filename>,
152    <filename class="directory">/lib64</filename>,
153    <filename class="directory">/usr/lib</filename>,
154    and <filename class="directory">/usr/lib64</filename> for dynamic
155    libraries that are needed by programs as they are run. However, if
156    there are libraries in directories other than these, they need to be
157    added to the <filename>/etc/ld.so.conf</filename> file in order
158    for the dynamic loader to find them. Some directories that are commonly
159    known to contain additional libraries are
160    <filename class="directory">/usr/local/lib</filename>,
161    <filename class="directory">/usr/local/lib64</filename>,
162    <filename class="directory">/opt/lib</filename>,
163    and <filename class="directory">/opt/lib64</filename>,
164    so add those directories to the dynamic loader's search path.</para>
165
166    <para os="ld-b">Create a new file <filename>/etc/ld.so.conf</filename> by running the
167    following:</para>
168
169<screen os="ld-c"><userinput>cat &gt; /etc/ld.so.conf &lt;&lt; "EOF"
170<literal># Begin /etc/ld.so.conf
171
172/usr/local/lib
173/usr/local/lib64
174/opt/lib
175/opt/lib64
176
177# End /etc/ld.so.conf</literal>
178EOF</userinput></screen>
179
180  </sect2>
181
182  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
183  href="../common/glibc.xml"
184  xpointer="xpointer(id('contents-glibc'))"/>
185
186</sect1>
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