mirror of
https://git.linuxfromscratch.org/lfs.git
synced 2025-06-18 19:29:21 +01:00
514c9e71b0
They were measured when we used -j1 and/or had not running the test suite with parallel jobs yet. Now the values are even larger than the total SBU including the test time, so they are just ridiculous.
153 lines
4.8 KiB
XML
153 lines
4.8 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
|
<!ENTITY % general-entities SYSTEM "../general.ent">
|
|
%general-entities;
|
|
]>
|
|
|
|
<sect1 id="ch-system-flex" role="wrap">
|
|
<?dbhtml filename="flex.html"?>
|
|
|
|
<sect1info condition="script">
|
|
<productname>flex</productname>
|
|
<productnumber>&flex-version;</productnumber>
|
|
<address>&flex-url;</address>
|
|
</sect1info>
|
|
|
|
<title>Flex-&flex-version;</title>
|
|
|
|
<indexterm zone="ch-system-flex">
|
|
<primary sortas="a-Flex">Flex</primary>
|
|
</indexterm>
|
|
|
|
<sect2 role="package">
|
|
<title/>
|
|
|
|
<para>The Flex package contains a utility for generating programs that
|
|
recognize patterns in text.</para>
|
|
|
|
<segmentedlist>
|
|
<segtitle>&buildtime;</segtitle>
|
|
<segtitle>&diskspace;</segtitle>
|
|
|
|
<seglistitem>
|
|
<seg>&flex-fin-sbu;</seg>
|
|
<seg>&flex-fin-du;</seg>
|
|
</seglistitem>
|
|
</segmentedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 role="installation">
|
|
<title>Installation of Flex</title>
|
|
|
|
<!--
|
|
<para>First, fix a problem introduced with glibc-2.26:</para>
|
|
|
|
<screen><userinput remap="pre">sed -i "/math.h/a #include <malloc.h>" src/flexdef.h</userinput></screen>
|
|
|
|
<para>The build procedure assumes the <application>help2man</application>
|
|
program is available to create a man page from the executable - -help option.
|
|
This is not present, so we use an environment variable to skip this process.
|
|
Now, prepare Flex for compilation:</para> -->
|
|
|
|
<para>Prepare Flex for compilation:</para>
|
|
|
|
<screen><userinput remap="configure">./configure --prefix=/usr \
|
|
--docdir=/usr/share/doc/flex-&flex-version; \
|
|
--disable-static</userinput></screen>
|
|
|
|
<para>Compile the package:</para>
|
|
|
|
<screen><userinput remap="make">make</userinput></screen>
|
|
|
|
<para>To test the results, issue:</para>
|
|
|
|
<screen><userinput remap="test">make check</userinput></screen>
|
|
|
|
<para>Install the package:</para>
|
|
|
|
<screen><userinput remap="install">make install</userinput></screen>
|
|
|
|
<para>A few programs do not know about <command>flex</command> yet and
|
|
try to run its predecessor, <command>lex</command>. To support those
|
|
programs, create a symbolic link named <filename>lex</filename> that
|
|
runs <filename>flex</filename> in <command>lex</command> emulation
|
|
mode, and also create the man page of <command>lex</command> as a
|
|
symlink:</para>
|
|
|
|
<screen><userinput remap="install">ln -sv flex /usr/bin/lex
|
|
ln -sv flex.1 /usr/share/man/man1/lex.1</userinput></screen>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="contents-flex" role="content">
|
|
<title>Contents of Flex</title>
|
|
|
|
<segmentedlist>
|
|
<segtitle>Installed programs</segtitle>
|
|
<segtitle>Installed libraries</segtitle>
|
|
<segtitle>Installed directory</segtitle>
|
|
|
|
<seglistitem>
|
|
<seg>flex, flex++ (link to flex), and lex (link to flex)</seg>
|
|
<seg>libfl.so</seg>
|
|
<seg>/usr/share/doc/flex-&flex-version;</seg>
|
|
</seglistitem>
|
|
</segmentedlist>
|
|
|
|
<variablelist>
|
|
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|
<?dbfo list-presentation="list"?>
|
|
<?dbhtml list-presentation="table"?>
|
|
|
|
<varlistentry id="flex">
|
|
<term><command>flex</command></term>
|
|
<listitem>
|
|
<para>A tool for generating programs that recognize patterns in text;
|
|
it allows for the versatility to specify the rules for pattern-finding,
|
|
eradicating the need to develop a specialized program</para>
|
|
<indexterm zone="ch-system-flex flex">
|
|
<primary sortas="b-flex">flex</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="flexpp">
|
|
<term><command>flex++</command></term>
|
|
<listitem>
|
|
<para>An extension of flex, is used for generating C++ code
|
|
and classes. It is a symbolic link to <command>flex</command></para>
|
|
<indexterm zone="ch-system-flex flexpp">
|
|
<primary sortas="b-flex++">flex++</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="lex">
|
|
<term><command>lex</command></term>
|
|
<listitem>
|
|
<para>A symbolic link that runs <command>flex</command> in
|
|
<command>lex</command> emulation mode</para>
|
|
<indexterm zone="ch-system-flex lex">
|
|
<primary sortas="b-lex">lex</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="libfl">
|
|
<term><filename class="libraryfile">libfl</filename></term>
|
|
<listitem>
|
|
<para>The <filename class="libraryfile">flex</filename> library</para>
|
|
<indexterm zone="ch-system-flex libfl">
|
|
<primary sortas="c-libfl">libfl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|