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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3164 af4574ff-66df-0310-9fd7-8a98e5e911e0
106 lines
3.7 KiB
XML
106 lines
3.7 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY pcre-download-http " ">
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<!ENTITY pcre-download-ftp "ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-&pcre-version;.tar.bz2">
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<!ENTITY pcre-md5 "813850808894d99fb5b1c41ec6335d4f">
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<!ENTITY pcre-size "460 KB">
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<!ENTITY pcre-buildsize "3.5 MB">
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<!ENTITY pcre-time "0.08 SBU">
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]>
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<sect1 id="pcre" xreflabel="PCRE-&pcre-version;">
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<?dbhtml filename="pcre.html"?>
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<title>PCRE-&pcre-version;</title>
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<sect2>
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<title>Introduction to <application><acronym>PCRE</acronym></application></title>
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<para>The <application><acronym>PCRE</acronym></application> package contains
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<application>Perl</application> Compatible Regular Expression
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libraries. These are useful for implementing regular expression pattern
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matching using the same syntax and semantics as
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<application>Perl</application> 5.</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP): <ulink
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url="&pcre-download-http;"/></para></listitem>
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<listitem><para>Download (FTP): <ulink
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url="&pcre-download-ftp;"/></para></listitem>
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<listitem><para>MD5 Sum: &pcre-md5;</para></listitem>
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<listitem><para>Download size: &pcre-size;</para></listitem>
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<listitem><para>Estimated disk space required:
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&pcre-buildsize;</para></listitem>
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<listitem><para>Estimated build time:
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&pcre-time;</para></listitem></itemizedlist>
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</sect3>
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</sect2>
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<sect2>
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<title>Installation of <application><acronym>PCRE</acronym></application></title>
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<para>Install <application><acronym>PCRE</acronym></application> by running
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the following commands:</para>
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<screen><userinput><command>./configure --prefix=/usr --enable-utf8 &&
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make &&
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make install</command></userinput></screen>
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<para>If you reinstall <application>grep</application> after installing
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<application>pcre</application>, <application>grep</application> will get
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linked against <application>pcre</application> and may cause problems if
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<filename>/usr</filename> is a separate mount point. To avoid this, either
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pass the option <emphasis>--disable-perl-regexp</emphasis> when executing
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<command>./configure</command> for <application>grep</application> or move
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<filename>libpcre</filename> to <filename>/lib</filename> as follows.</para>
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<screen><userinput><command>mv /usr/lib/libpcre.so.* /lib/ &&
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ln -sf ../../lib/libpcre.so.0 /usr/lib/libpcre.so</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Command explanations</title>
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<para><parameter>--enable-utf8</parameter>: This switch includes the code for
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handling <acronym>UTF</acronym>-8 character strings in the library.</para>
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</sect2>
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<sect2>
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<title>Contents</title>
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<para>The <application><acronym>PCRE</acronym></application> package contains
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the <filename class='libraryfile'>libpcre</filename> libraries,
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<command>pcregrep</command>, <command>pcretest</command> and
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<command>pcre-config</command>.</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>pcregrep</title>
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<para><command>pcregrep</command> is a <command>grep</command> that understands
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<application>Perl</application> compatible regular expressions.</para></sect3>
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<sect3><title>pcretest</title>
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<para><command>pcretest</command> can test your
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<application>Perl</application> compatible regular expression.</para></sect3>
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<sect3><title>pcre-config</title>
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<para><command>pcre-config</command> is used during the compile process of
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programs linking to this library.</para></sect3>
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</sect2>
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</sect1>
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