source: BOOK/final-system/common/flex.xml@ 57413c8

clfs-3.0.0-sysvinit sysvinit
Last change on this file since 57413c8 was 7358bad, checked in by Chris Staub <chris@…>, 11 years ago

Fixed flex program list

  • Property mode set to 100644
File size: 4.3 KB
RevLine 
[3f8be484]1<?xml version="1.0" encoding="ISO-8859-1"?>
[aa18ac0]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[3f8be484]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 <title>Flex-&flex-version;</title>
12
13 <indexterm zone="ch-system-flex">
14 <primary sortas="a-Flex">Flex</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Flex package contains a utility for generating programs that
21 recognize patterns in text.</para>
22
23 </sect2>
24
25 <sect2 role="installation">
26 <title>Installation of Flex</title>
27
[4bb4b626]28 <para os="a">Prepare Flex for compilation:</para>
[3f8be484]29
[c873165]30<screen os="b"><userinput>M4=m4 ./configure --prefix=/usr --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen>
[3f8be484]31
[4bb4b626]32 <para os="c">Compile the package:</para>
[3f8be484]33
[4bb4b626]34<screen os="d"><userinput>make</userinput></screen>
[3f8be484]35
[686839b]36 <para os="e">To test the results, issue:</para>
37
38<screen os="e2"><userinput remap="test">make check</userinput></screen>
[3f8be484]39
[4bb4b626]40 <para os="f">Install the package:</para>
[3f8be484]41
[4bb4b626]42<screen os="g"><userinput>make install</userinput></screen>
[3f8be484]43
[a62153d]44 <para os="h">A few programs do not know about <command>flex</command> yet and
[3f8be484]45 try to run its predecessor, <command>lex</command>. To support those
46 programs, create a wrapper script named <filename>lex</filename> that
47 calls <filename>flex</filename> in <command>lex</command> emulation
48 mode:</para>
49
[a62153d]50<screen os="i"><userinput>cat &gt; /usr/bin/lex &lt;&lt; "EOF"
[3f8be484]51<literal>#!/bin/sh
52# Begin /usr/bin/lex
53
54exec /usr/bin/flex -l "$@"
55
56# End /usr/bin/lex</literal>
57EOF
[94e6142]58chmod -v 755 /usr/bin/lex</userinput></screen>
[3f8be484]59
60 </sect2>
61
62 <sect2 id="contents-flex" role="content">
63 <title>Contents of Flex</title>
64
65 <segmentedlist>
66 <segtitle>Installed programs</segtitle>
[f5e37b2]67 <segtitle>Installed libraries</segtitle>
[c873165]68 <segtitle>Installed directory</segtitle>
[3f8be484]69
70 <seglistitem>
[7358bad]71 <seg>flex, flex++ (link to flex), and lex</seg>
[06c4516]72 <seg>libfl.[a,so] and libfl_pic.[a,so]</seg>
[c873165]73 <seg>/usr/share/doc/flex-&flex-version;</seg>
[3f8be484]74 </seglistitem>
75 </segmentedlist>
76
77 <variablelist>
78 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
79 <?dbfo list-presentation="list"?>
80 <?dbhtml list-presentation="table"?>
81
82 <varlistentry id="flex">
83 <term><command>flex</command></term>
84 <listitem>
85 <para>A tool for generating programs that recognize patterns in text;
86 it allows for the versatility to specify the rules for pattern-finding,
87 eradicating the need to develop a specialized program</para>
88 <indexterm zone="ch-system-flex flex">
89 <primary sortas="b-flex">flex</primary>
90 </indexterm>
91 </listitem>
92 </varlistentry>
93
[2b220db9]94 <varlistentry id="flexpp">
95 <term><command>flex++</command></term>
96 <listitem>
97 <para>Link to <command>flex</command> which makes it generate C++
98 scanner classes</para>
99 <indexterm zone="ch-system-flex flexpp">
100 <primary sortas="b-flex++">flex++</primary>
101 </indexterm>
102 </listitem>
103 </varlistentry>
104
[3f8be484]105 <varlistentry id="lex">
106 <term><command>lex</command></term>
107 <listitem>
108 <para>A script that runs <command>flex</command> in
109 <command>lex</command> emulation mode</para>
110 <indexterm zone="ch-system-flex lex">
111 <primary sortas="b-lex">lex</primary>
112 </indexterm>
113 </listitem>
114 </varlistentry>
115
[06c4516]116 <varlistentry id="libfl">
117 <term><filename class="libraryfile">libfl</filename></term>
[3f8be484]118 <listitem>
119 <para>The <filename class="libraryfile">flex</filename> library</para>
[06c4516]120 <indexterm zone="ch-system-flex libfl">
121 <primary sortas="c-libfl">libfl</primary>
[3f8be484]122 </indexterm>
123 </listitem>
124 </varlistentry>
125
[06c4516]126 <varlistentry id="libfl_pic">
127 <term><filename class="libraryfile">libfl_pic</filename></term>
[8053eec]128 <listitem>
129 <para>The <filename class="libraryfile">flex</filename> library</para>
[06c4516]130 <indexterm zone="ch-system-flex libfl_pic">
131 <primary sortas="c-libfl">libfl_pic</primary>
[8053eec]132 </indexterm>
133 </listitem>
134 </varlistentry>
135
[3f8be484]136 </variablelist>
137
138 </sect2>
139
140</sect1>
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