mirror of
https://github.com/Zeckmathederg/glfs.git
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0b312a78d3
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@24343 af4574ff-66df-0310-9fd7-8a98e5e911e0
362 lines
12 KiB
XML
362 lines
12 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!-- Also update the download, md5, size entities in libxml2py2.xml -->
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<!ENTITY libxml2-download-http "http://xmlsoft.org/sources/libxml2-&libxml2-version;.tar.gz">
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<!ENTITY libxml2-download-ftp "ftp://xmlsoft.org/libxml2/libxml2-&libxml2-version;.tar.gz">
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<!ENTITY libxml2-md5sum "10942a1dc23137a8aa07f0639cbfece5">
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<!ENTITY libxml2-size "5.4 MB">
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<!ENTITY libxml2-buildsize "87 MB (add 15 MB for tests)">
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<!ENTITY libxml2-time "0.2 SBU (add 0.3 SBU for tests)">
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<!ENTITY testsuite-version "20130923">
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]>
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<sect1 id="libxml2" xreflabel="libxml2-&libxml2-version;">
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<?dbhtml filename="libxml2.html"?>
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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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<title>libxml2-&libxml2-version;</title>
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<indexterm zone="libxml2">
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<primary sortas="a-libxml2">libxml2</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to libxml2</title>
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<para>
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The <application>libxml2</application> package contains libraries
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and utilities used for parsing XML files.
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</para>
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&lfs101_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&libxml2-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&libxml2-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &libxml2-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &libxml2-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &libxml2-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &libxml2-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/libxml2-&libxml2-version;-security_fixes-1.patch"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Optional Testsuite:
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<ulink url="http://www.w3.org/XML/Test/xmlts&testsuite-version;.tar.gz"/> - This
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enables <command>make check</command> to do complete testing.
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">libxml2 Dependencies</bridgehead>
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<!-- do not advertize python2 here, except in the note below
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="python2"/>
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</para>
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-->
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="icu"/> (see below) and
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<xref linkend="valgrind"/> (may be used in the tests)
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</para>
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<note>
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<!-- python3 is always available now
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<para>
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Some packages which utilize <application>libxml2</application> (such as
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<application>GNOME Doc Utils</application>) need the
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<application>Python3</application> module installed to function properly
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and some packages will not build properly if the
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<application>Python3</application> module is not available.
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</para>
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-->
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<para>
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The old <application>Python2</application> module can be built after
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<filename class="libraryfile">libxml2.so</filename> has been installed,
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see <xref linkend="libxml2py2"/>.
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</para>
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</note>
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<para condition="html" role="usernotes">
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User Notes: <ulink url="&blfs-wiki;/libxml2"/>
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of libxml2</title>
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<para>
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Apply a patch to fix various errors:
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</para>
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<screen><userinput remap="pre">patch -p1 -i ../libxml2-&libxml2-version;-security_fixes-1.patch</userinput></screen>
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<para>
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Fix a problem generating the Python3 module with Python-3.9.0 and
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later:
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</para>
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<screen><userinput>sed -i '/if Py/{s/Py/(Py/;s/)/))/}' python/{types.c,libxml.c}</userinput></screen>
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<para>
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If you are going to run the tests, disable one test that causes the Python
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tests to terminate early with an error:
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</para>
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<screen><userinput>sed -i 's/test.test/#&/' python/tests/tstLastError.py</userinput></screen>
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<para>
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If, and only if, you are using <xref linkend="icu"/>, fix a
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build breakage caused by that version by running the following command:
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</para>
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<screen><userinput>sed -i 's/ TRUE/ true/' encoding.c</userinput></screen>
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<para>
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Install <application>libxml2</application> by running the following
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commands:
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</para>
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<screen><userinput>./configure --prefix=/usr \
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--disable-static \
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--with-history \
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--with-python=/usr/bin/python3 &&
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make</userinput></screen>
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<para>
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If you downloaded the testsuite, issue the following command:
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</para>
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<screen><userinput>tar xf ../xmlts&testsuite-version;.tar.gz</userinput></screen>
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<para>
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To test the results, issue: <command>make check > check.log</command>.
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A summary of the results can be obtained with <command>grep -E
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'^Total|expected' check.log</command>. If <xref linkend="valgrind"/> is
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installed and you want to check memory leaks, replace
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<command>check</command> with <command>check-valgrind</command>.
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</para>
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<note>
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<para>
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The tests use <ulink url="http://localhost/">http://localhost/</ulink>
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to test parsing of external entities. If the machine where you run the
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tests serves as a web site, the tests may hang, depending on the
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content of the file served. It is therefore recommended to shut down
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the server during the tests, as the <systemitem
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class="username">root</systemitem> user:
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</para>
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<screen role="nodump" revision="sysv"><userinput>/etc/init.d/httpd stop</userinput></screen>
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<screen role="nodump" revision="systemd"><userinput>systemctl stop httpd.service</userinput></screen>
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</note>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="../../xincludes/static-libraries.xml"/>
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<para>
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<parameter>--with-history</parameter>: This switch enables
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<application>Readline</application> support when running
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<command>xmlcatalog</command> or <command>xmllint</command> in shell mode.
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</para>
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<para>
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<parameter>--with-python=/usr/bin/python3</parameter>: Allows building
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the libxml2 module with Python3 instead of Python2.
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</para>
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<para>
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<option>--with-icu</option>: Add this switch if you have built
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<xref linkend="icu"/>, for better unicode support.
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</para>
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<para>
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<option>--with-threads</option>: Add this switch to enable multithread
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support.
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</para>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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xml2-config,
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xmlcatalog, and
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xmllint <!--and the
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drv_libxml2.py and libxml2.py <application>Python3</application>
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modules. These are pythin modules, not programs -->
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</seg>
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<seg>
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libxml2.so and
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libxml2mod.so (<application>Python3</application> module)
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</seg>
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<seg>
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/usr/include/libxml2,
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/usr/lib/cmake/libxml2,
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/usr/share/doc/libxml2-&libxml2-version;,
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/usr/share/doc/libxml2-python-&libxml2-version;, and
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/usr/share/gtk-doc/html/libxml2
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="xml2-config">
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<term><command>xml2-config</command></term>
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<listitem>
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<para>
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determines the compile and linker flags that should be used to
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compile and link programs that use
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<filename class="libraryfile">libxml2</filename>
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</para>
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<indexterm zone="libxml2 xml2-config">
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<primary sortas="b-xml2-config">xml2-config</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="xmlcatalog">
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<term><command>xmlcatalog</command></term>
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<listitem>
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<para>
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is used to monitor and manipulate XML and SGML catalogs
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</para>
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<indexterm zone="libxml2 xmlcatalog">
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<primary sortas="b-xmlcatalog">xmlcatalog</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="xmllint">
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<term><command>xmllint</command></term>
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<listitem>
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<para>
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parses XML files and outputs reports (based upon options) to detect
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errors in XML coding
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</para>
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<indexterm zone="libxml2 xmllint">
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<primary sortas="b-xmllint">xmllint</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<!--
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<varlistentry id="drv_libxml2.py3">
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<term><command>drv_libxml2.py</command></term>
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<listitem>
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<para>
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is a SAX <application>Python3</application> driver for libxml2.
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</para>
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<indexterm zone="libxml2 drv_libxml2.py3">
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<primary sortas="b-drv_libxml2.py3">drv_libxml2.py for Python3</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libxml2.py3">
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<term><command>libxml2.py</command></term>
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<listitem>
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<para>
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is the <application>Python3</application> binding for libxml2.
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</para>
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<indexterm zone="libxml2 libxml2.py3">
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<primary sortas="b-libxml2.py3">libxml2.py for Python3</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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-->
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<varlistentry id="libxml2-lib">
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<term><filename class="libraryfile">libxml2.so</filename></term>
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<listitem>
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<para>
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provides functions for programs to parse files that use the XML
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format
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</para>
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<indexterm zone="libxml2 libxml2-lib">
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<primary sortas="c-libxml2">libxml2.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libxml2mod3">
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<term><filename class="libraryfile">libxml2mod.so</filename></term>
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<listitem>
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<para>
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is the interface for <application>Python3</application>
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to use <filename class="libraryfile">libxml2.so</filename>
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</para>
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<indexterm zone="libxml2 libxml2mod3">
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<primary sortas="c-libxml2mod">libxml2mod.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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