source: chapter06/flex.xml@ 0cdff2d

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 old-trunk trunk xry111/git-transition xry111/glibc-2.34 xry111/tester-nohack xry111/usr-move
Last change on this file since 0cdff2d was 0cdff2d, checked in by Pierre Labastie <pieere@…>, 19 months ago

Remove useless commands in chap6 flex

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11833 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 4.8 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-flex" role="wrap">
9 <?dbhtml filename="flex.html"?>
10
11 <sect1info condition="script">
12 <productname>flex</productname>
13 <productnumber>&flex-version;</productnumber>
14 <address>&flex-url;</address>
15 </sect1info>
16
17 <title>Flex-&flex-version;</title>
18
19 <indexterm zone="ch-system-flex">
20 <primary sortas="a-Flex">Flex</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Flex package contains a utility for generating programs that
27 recognize patterns in text.</para>
28
29 <segmentedlist>
30 <segtitle>&buildtime;</segtitle>
31 <segtitle>&diskspace;</segtitle>
32
33 <seglistitem>
34 <seg>&flex-ch6-sbu;</seg>
35 <seg>&flex-ch6-du;</seg>
36 </seglistitem>
37 </segmentedlist>
38
39 </sect2>
40
41 <sect2 role="installation">
42 <title>Installation of Flex</title>
43
44<!--
45 <para>First, fix a problem introduced with glibc-2.26:</para>
46
47<screen><userinput remap="pre">sed -i "/math.h/a #include &lt;malloc.h&gt;" src/flexdef.h</userinput></screen>
48
49 <para>The build procedure assumes the <application>help2man</application>
50 program is available to create a man page from the executable - -help option.
51 This is not present, so we use an environment variable to skip this process.
52 Now, prepare Flex for compilation:</para> -->
53
54 <para>Prepare Flex for compilation:</para>
55
56<!-- <screen><userinput remap="configure">HELP2MAN=/tools/bin/true \ -->
57<screen><userinput remap="configure">./configure --prefix=/usr --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen>
58
59 <para>Compile the package:</para>
60
61<screen><userinput remap="make">make</userinput></screen>
62
63 <para>To test the results (about 0.5 SBU), issue:</para>
64
65<screen><userinput remap="test">make check</userinput></screen>
66
67 <para>Install the package:</para>
68
69<screen><userinput remap="install">make install</userinput></screen>
70
71 <para>A few programs do not know about <command>flex</command> yet and
72 try to run its predecessor, <command>lex</command>. To support those
73 programs, create a symbolic link named <filename>lex</filename> that
74 runs <filename>flex</filename> in <command>lex</command> emulation
75 mode:</para>
76
77<screen><userinput remap="install">ln -sv flex /usr/bin/lex</userinput></screen>
78
79 </sect2>
80
81 <sect2 id="contents-flex" role="content">
82 <title>Contents of Flex</title>
83
84 <segmentedlist>
85 <segtitle>Installed programs</segtitle>
86 <segtitle>Installed libraries</segtitle>
87 <segtitle>Installed directory</segtitle>
88
89 <seglistitem>
90 <seg>flex, flex++ (link to flex), and lex (link to flex)</seg>
91 <seg>libfl.so</seg>
92 <seg>/usr/share/doc/flex-&flex-version;</seg>
93 </seglistitem>
94 </segmentedlist>
95
96 <variablelist>
97 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
98 <?dbfo list-presentation="list"?>
99 <?dbhtml list-presentation="table"?>
100
101 <varlistentry id="flex">
102 <term><command>flex</command></term>
103 <listitem>
104 <para>A tool for generating programs that recognize patterns in text;
105 it allows for the versatility to specify the rules for pattern-finding,
106 eradicating the need to develop a specialized program</para>
107 <indexterm zone="ch-system-flex flex">
108 <primary sortas="b-flex">flex</primary>
109 </indexterm>
110 </listitem>
111 </varlistentry>
112
113 <varlistentry id="flexpp">
114 <term><command>flex++</command></term>
115 <listitem>
116 <para>An extension of flex, is used for generating C++ code
117 and classes. It is a symbolic link to <command>flex</command></para>
118 <indexterm zone="ch-system-flex flexpp">
119 <primary sortas="b-flex++">flex++</primary>
120 </indexterm>
121 </listitem>
122 </varlistentry>
123
124 <varlistentry id="lex">
125 <term><command>lex</command></term>
126 <listitem>
127 <para>A symbolic link that runs <command>flex</command> in
128 <command>lex</command> emulation mode</para>
129 <indexterm zone="ch-system-flex lex">
130 <primary sortas="b-lex">lex</primary>
131 </indexterm>
132 </listitem>
133 </varlistentry>
134
135 <varlistentry id="libfl">
136 <term><filename class="libraryfile">libfl</filename></term>
137 <listitem>
138 <para>The <filename class="libraryfile">flex</filename> library</para>
139 <indexterm zone="ch-system-flex libfl">
140 <primary sortas="c-libfl">libfl</primary>
141 </indexterm>
142 </listitem>
143 </varlistentry>
144
145 </variablelist>
146
147 </sect2>
148
149</sect1>
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