[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
---|
[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
---|
[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
| 5 | %general-entities;
|
---|
| 6 | ]>
|
---|
[54e422c1] | 7 |
|
---|
[81fd230] | 8 | <sect1 id="ch-system-flex" role="wrap">
|
---|
[54e422c1] | 9 | <?dbhtml filename="flex.html"?>
|
---|
| 10 |
|
---|
[e747759] | 11 | <sect1info condition="script">
|
---|
| 12 | <productname>flex</productname>
|
---|
| 13 | <productnumber>&flex-version;</productnumber>
|
---|
| 14 | <address>&flex-url;</address>
|
---|
| 15 | </sect1info>
|
---|
| 16 |
|
---|
[54e422c1] | 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/>
|
---|
[673b0d8] | 25 |
|
---|
[54e422c1] | 26 | <para>The Flex package contains a utility for generating programs that
|
---|
| 27 | recognize patterns in text.</para>
|
---|
[6370fa6] | 28 |
|
---|
[54e422c1] | 29 | <segmentedlist>
|
---|
| 30 | <segtitle>&buildtime;</segtitle>
|
---|
| 31 | <segtitle>&diskspace;</segtitle>
|
---|
[5888299] | 32 |
|
---|
[54e422c1] | 33 | <seglistitem>
|
---|
[e4a5635] | 34 | <seg>&flex-ch6-sbu;</seg>
|
---|
| 35 | <seg>&flex-ch6-du;</seg>
|
---|
[54e422c1] | 36 | </seglistitem>
|
---|
| 37 | </segmentedlist>
|
---|
[73aedd1d] | 38 |
|
---|
[54e422c1] | 39 | </sect2>
|
---|
| 40 |
|
---|
| 41 | <sect2 role="installation">
|
---|
| 42 | <title>Installation of Flex</title>
|
---|
| 43 |
|
---|
[fba870f] | 44 | <para>First, skip running three regression tests that require Bison:</para>
|
---|
[25d78ec] | 45 |
|
---|
[bdde021] | 46 | <screen><userinput remap="pre">sed -i -e '/test-bison/d' tests/Makefile.in</userinput></screen>
|
---|
[25d78ec] | 47 |
|
---|
[54e422c1] | 48 | <para>Prepare Flex for compilation:</para>
|
---|
[73aedd1d] | 49 |
|
---|
[3dc9543] | 50 | <screen><userinput remap="configure">./configure --prefix=/usr --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen>
|
---|
[73aedd1d] | 51 |
|
---|
[54e422c1] | 52 | <para>Compile the package:</para>
|
---|
[73aedd1d] | 53 |
|
---|
[0445a3d] | 54 | <screen><userinput remap="make">make</userinput></screen>
|
---|
[73aedd1d] | 55 |
|
---|
[e0f902a] | 56 | <para>To test the results (about 0.5 SBU), issue:</para>
|
---|
[0445a3d] | 57 |
|
---|
[c6f365e] | 58 | <screen><userinput remap="test">make check</userinput></screen>
|
---|
[b815cec] | 59 |
|
---|
[54e422c1] | 60 | <para>Install the package:</para>
|
---|
[73aedd1d] | 61 |
|
---|
[0445a3d] | 62 | <screen><userinput remap="install">make install</userinput></screen>
|
---|
[0fe68721] | 63 | <!--
|
---|
[54e422c1] | 64 | <para>There are some packages that expect to find the
|
---|
| 65 | <filename class="libraryfile">lex</filename> library in <filename
|
---|
| 66 | class="directory">/usr/lib</filename>. Create a symlink to account for
|
---|
| 67 | this:</para>
|
---|
[73aedd1d] | 68 |
|
---|
[0445a3d] | 69 | <screen><userinput remap="install">ln -sv libfl.a /usr/lib/libl.a</userinput></screen>
|
---|
[0fe68721] | 70 | -->
|
---|
[54e422c1] | 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
|
---|
[c5368d7] | 73 | programs, create a symbolic link named <filename>lex</filename> that
|
---|
| 74 | runs <filename>flex</filename> in <command>lex</command> emulation
|
---|
[54e422c1] | 75 | mode:</para>
|
---|
[73aedd1d] | 76 |
|
---|
[0d01617] | 77 | <screen><userinput remap="install">ln -sv flex /usr/bin/lex</userinput></screen>
|
---|
[73aedd1d] | 78 |
|
---|
[54e422c1] | 79 | </sect2>
|
---|
| 80 |
|
---|
| 81 | <sect2 id="contents-flex" role="content">
|
---|
| 82 | <title>Contents of Flex</title>
|
---|
| 83 |
|
---|
| 84 | <segmentedlist>
|
---|
| 85 | <segtitle>Installed programs</segtitle>
|
---|
[90aae6b] | 86 | <segtitle>Installed libraries</segtitle>
|
---|
[1d6f204] | 87 | <segtitle>Installed directory</segtitle>
|
---|
[54e422c1] | 88 |
|
---|
| 89 | <seglistitem>
|
---|
[c5368d7] | 90 | <seg>flex, flex++ (link to flex), and lex (link to flex)</seg>
|
---|
[3dc9543] | 91 | <seg>libfl.{a,so} and libfl_pic.{a,so}</seg>
|
---|
[ca101ad] | 92 | <seg>/usr/share/doc/flex-&flex-version;</seg>
|
---|
[54e422c1] | 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 |
|
---|
[ca101ad] | 113 | <varlistentry id="flexpp">
|
---|
| 114 | <term><command>flex++</command></term>
|
---|
| 115 | <listitem>
|
---|
[2ca8941] | 116 | <para>An extension of flex, is used for generating C++ code
|
---|
[ca101ad] | 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 |
|
---|
[54e422c1] | 124 | <varlistentry id="lex">
|
---|
| 125 | <term><command>lex</command></term>
|
---|
| 126 | <listitem>
|
---|
| 127 | <para>A script 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 |
|
---|
[4028929] | 135 | <varlistentry id="libfl">
|
---|
| 136 | <term><filename class="libraryfile">libfl</filename></term>
|
---|
[54e422c1] | 137 | <listitem>
|
---|
| 138 | <para>The <filename class="libraryfile">flex</filename> library</para>
|
---|
[4028929] | 139 | <indexterm zone="ch-system-flex libfl">
|
---|
| 140 | <primary sortas="c-libfl">libfl</primary>
|
---|
[54e422c1] | 141 | </indexterm>
|
---|
| 142 | </listitem>
|
---|
| 143 | </varlistentry>
|
---|
| 144 |
|
---|
| 145 | </variablelist>
|
---|
| 146 |
|
---|
| 147 | </sect2>
|
---|
[673b0d8] | 148 |
|
---|
| 149 | </sect1>
|
---|