lfs-book-zh_CN/chapter06/flex.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../general.ent">
  %general-entities;
]>
<sect1 id="ch-system-flex" xreflabel="Flex" role="wrap">
<title>Flex-&flex-version;</title>
<?dbhtml filename="flex.html"?>

<indexterm zone="ch-system-flex"><primary sortas="a-Flex">Flex</primary></indexterm>

<sect2 role="package"><title/>

<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem><seg>0.1 SBU</seg><seg>3.4 MB</seg></seglistitem>
</segmentedlist>

</sect2>

<sect2 role="installation">
<title>Installation of Flex</title>

<para>Apply a patch:</para>

<screen><userinput>patch -Np1 -i ../flex-&flex-version;-debian_fixes-2.patch</userinput></screen>

<para>Touch the man-page:</para>

<screen><userinput>touch doc/flex.1</userinput></screen>

<para>Now prepare Flex for compilation:</para>

<screen><userinput>./configure --prefix=/usr</userinput></screen>

<para>Compile the package:</para>

<screen><userinput>make</userinput></screen>

<para>To test the results, issue:
<userinput>make check</userinput>.</para>

<para>Now install the package:</para>

<screen><userinput>make install</userinput></screen>

<para>Create a symlink:</para>

<screen><userinput>ln -s libfl.a /usr/lib/libl.a</userinput></screen>

<para>Create a lex script:</para>

<screen><userinput>cat &gt; /usr/bin/lex &lt;&lt; "EOF"</userinput>
#!/bin/sh
# Begin /usr/bin/lex

exec /usr/bin/flex -l "$@"

# End /usr/bin/lex
<userinput>EOF
chmod 755 /usr/bin/lex</userinput></screen>

</sect2>


<sect2 id="contents-flex" role="content"><title>Contents of Flex</title>

<para>See testing</para>

</sect2>

</sect1>