source: chapter08/bzip2.xml@ 7772c15

10.0 10.0-rc1 10.1 10.1-rc1 11.0 11.0-rc1 11.0-rc2 11.0-rc3 ml-11.0 multilib trunk xry111/git-transition xry111/glibc-2.34 xry111/tester-nohack xry111/usr-move
Last change on this file since 7772c15 was 7772c15, checked in by Pierre Labastie <pieere@…>, 18 months ago

do not use $LFS in chapter08 (looks like a command pasted from chapter 6)
It's harmless since the LFS variable is not set, but ugly!

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11956 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 8.3 KB
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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-bzip2" role="wrap">
9 <?dbhtml filename="bzip2.html"?>
10
11 <sect1info condition="script">
12 <productname>bzip2</productname>
13 <productnumber>&bzip2-version;</productnumber>
14 <address>&bzip2-url;</address>
15 </sect1info>
16
17 <title>Bzip2-&bzip2-version;</title>
18
19 <indexterm zone="ch-system-bzip2">
20 <primary sortas="a-Bzip2">Bzip2</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Bzip2 package contains programs for compressing and decompressing
27 files. Compressing text files with <command>bzip2</command> yields a much
28 better compression percentage than with the traditional
29 <command>gzip</command>.</para>
30
31 <segmentedlist>
32 <segtitle>&buildtime;</segtitle>
33 <segtitle>&diskspace;</segtitle>
34
35 <seglistitem>
36 <seg>&bzip2-fin-sbu;</seg>
37 <seg>&bzip2-fin-du;</seg>
38 </seglistitem>
39 </segmentedlist>
40
41 </sect2>
42
43 <sect2 role="installation">
44 <title>Installation of Bzip2</title>
45
46 <para>Apply a patch that will install the documentation for this package:</para>
47
48<screen><userinput remap="pre">patch -Np1 -i ../&bzip2-docs-patch;</userinput></screen>
49
50 <para>The following command ensures installation of symbolic links are relative:</para>
51
52<screen><userinput remap="pre">sed -i 's@\(ln -s -f \)$(PREFIX)/bin/@\1@' Makefile</userinput></screen>
53
54 <para>Ensure the man pages are installed into the correct location:</para>
55
56<screen><userinput remap="pre">sed -i "s@(PREFIX)/man@(PREFIX)/share/man@g" Makefile</userinput></screen>
57
58 <para>Prepare Bzip2 for compilation with:</para>
59
60<screen><userinput remap="make">make -f Makefile-libbz2_so
61make clean</userinput></screen>
62
63 <variablelist>
64 <title>The meaning of the make parameter:</title>
65
66 <varlistentry>
67 <term><parameter>-f Makefile-libbz2_so</parameter></term>
68 <listitem>
69 <para>This will cause Bzip2 to be built using a different
70 <filename>Makefile</filename> file, in this case the
71 <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
72 <filename class="libraryfile">libbz2.so</filename> library and links
73 the Bzip2 utilities against it.</para>
74 </listitem>
75 </varlistentry>
76
77 </variablelist>
78
79 <para>Compile and test the package:</para>
80
81<screen><userinput remap="make">make</userinput></screen>
82
83 <para>Install the programs:</para>
84
85<screen><userinput remap="install">make PREFIX=/usr install</userinput></screen>
86
87 <para>Install the shared <command>bzip2</command> binary into the
88 <filename class="directory">/bin</filename> directory, make
89 some necessary symbolic links, and clean up:</para>
90
91<screen><userinput remap="install">cp -v bzip2-shared /bin/bzip2
92cp -av libbz2.so* /lib
93ln -sv ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
94rm -v /usr/bin/{bunzip2,bzcat,bzip2}
95ln -sv bzip2 /bin/bunzip2
96ln -sv bzip2 /bin/bzcat</userinput></screen>
97
98 </sect2>
99
100 <sect2 id="contents-bzip2" role="content">
101 <title>Contents of Bzip2</title>
102
103 <segmentedlist>
104 <segtitle>Installed programs</segtitle>
105 <segtitle>Installed libraries</segtitle>
106 <segtitle>Installed directory</segtitle>
107
108 <seglistitem>
109 <seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp (link to
110 bzdiff), bzdiff, bzegrep (link to bzgrep), bzfgrep (link to bzgrep),
111 bzgrep, bzip2, bzip2recover, bzless (link to bzmore), and bzmore</seg>
112 <seg>libbz2.{a,so}</seg>
113 <seg>/usr/share/doc/bzip2-&bzip2-version;</seg>
114 </seglistitem>
115 </segmentedlist>
116
117 <variablelist>
118 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
119 <?dbfo list-presentation="list"?>
120 <?dbhtml list-presentation="table"?>
121
122 <varlistentry id="bunzip2">
123 <term><command>bunzip2</command></term>
124 <listitem>
125 <para>Decompresses bzipped files</para>
126 <indexterm zone="ch-system-bzip2 bunzip2">
127 <primary sortas="b-bunzip2">bunzip2</primary>
128 </indexterm>
129 </listitem>
130 </varlistentry>
131
132 <varlistentry id="bzcat">
133 <term><command>bzcat</command></term>
134 <listitem>
135 <para>Decompresses to standard output</para>
136 <indexterm zone="ch-system-bzip2 bzcat">
137 <primary sortas="b-bzcat">bzcat</primary>
138 </indexterm>
139 </listitem>
140 </varlistentry>
141
142 <varlistentry id="bzcmp">
143 <term><command>bzcmp</command></term>
144 <listitem>
145 <para>Runs <command>cmp</command> on bzipped files</para>
146 <indexterm zone="ch-system-bzip2 bzcmp">
147 <primary sortas="b-bzcmp">bzcmp</primary>
148 </indexterm>
149 </listitem>
150 </varlistentry>
151
152 <varlistentry id="bzdiff">
153 <term><command>bzdiff</command></term>
154 <listitem>
155 <para>Runs <command>diff</command> on bzipped files</para>
156 <indexterm zone="ch-system-bzip2 bzdiff">
157 <primary sortas="b-bzdiff">bzdiff</primary>
158 </indexterm>
159 </listitem>
160 </varlistentry>
161
162 <varlistentry id="bzegrep">
163 <term><command>bzegrep</command></term>
164 <listitem>
165 <para>Runs <command>egrep</command> on bzipped files</para>
166 <indexterm zone="ch-system-bzip2 bzegrep">
167 <primary sortas="b-bzegrep">bzegrep</primary>
168 </indexterm>
169 </listitem>
170 </varlistentry>
171
172 <varlistentry id="bzfgrep">
173 <term><command>bzfgrep</command></term>
174 <listitem>
175 <para>Runs <command>fgrep</command> on bzipped files</para>
176 <indexterm zone="ch-system-bzip2 bzfgrep">
177 <primary sortas="b-bzfgrep">bzfgrep</primary>
178 </indexterm>
179 </listitem>
180 </varlistentry>
181
182 <varlistentry id="bzgrep">
183 <term><command>bzgrep</command></term>
184 <listitem>
185 <para>Runs <command>grep</command> on bzipped files</para>
186 <indexterm zone="ch-system-bzip2 bzgrep">
187 <primary sortas="b-bzgrep">bzgrep</primary>
188 </indexterm>
189 </listitem>
190 </varlistentry>
191
192 <varlistentry id="bzip2">
193 <term><command>bzip2</command></term>
194 <listitem>
195 <para>Compresses files using the Burrows-Wheeler block sorting text
196 compression algorithm with Huffman coding; the compression rate is
197 better than that achieved by more conventional compressors using
198 <quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
199 <indexterm zone="ch-system-bzip2 bzip2">
200 <primary sortas="b-bzip2">bzip2</primary>
201 </indexterm>
202 </listitem>
203 </varlistentry>
204
205 <varlistentry id="bzip2recover">
206 <term><command>bzip2recover</command></term>
207 <listitem>
208 <para>Tries to recover data from damaged bzipped files</para>
209 <indexterm zone="ch-system-bzip2 bzip2recover">
210 <primary sortas="b-bzip2recover">bzip2recover</primary>
211 </indexterm>
212 </listitem>
213 </varlistentry>
214
215 <varlistentry id="bzless">
216 <term><command>bzless</command></term>
217 <listitem>
218 <para>Runs <command>less</command> on bzipped files</para>
219 <indexterm zone="ch-system-bzip2 bzless">
220 <primary sortas="b-bzless">bzless</primary>
221 </indexterm>
222 </listitem>
223 </varlistentry>
224
225 <varlistentry id="bzmore">
226 <term><command>bzmore</command></term>
227 <listitem>
228 <para>Runs <command>more</command> on bzipped files</para>
229 <indexterm zone="ch-system-bzip2 bzmore">
230 <primary sortas="b-bzmore">bzmore</primary>
231 </indexterm>
232 </listitem>
233 </varlistentry>
234
235 <varlistentry id="libbz2">
236 <term><filename class="libraryfile">libbz2</filename></term>
237 <listitem>
238 <para>The library implementing lossless, block-sorting data
239 compression, using the Burrows-Wheeler algorithm</para>
240 <indexterm zone="ch-system-bzip2 libbz2">
241 <primary sortas="c-libbz2">libbz2</primary>
242 </indexterm>
243 </listitem>
244 </varlistentry>
245
246 </variablelist>
247
248 </sect2>
249
250</sect1>
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