Add zstd compression package to Chapter 6

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11725 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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diff --git a/chapter06/zstd.xml b/chapter06/zstd.xml
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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!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-zstd" role="wrap">
+  <?dbhtml filename="zstd.html"?>
+
+  <sect1info condition="script">
+    <productname>zstd</productname>
+    <productnumber>&zstd-version;</productnumber>
+    <address>&zstd-url;</address>
+  </sect1info>
+
+  <title>Zstd-&zstd-version;</title>
+
+  <indexterm zone="ch-system-zstd">
+    <primary sortas="a-zstd">zstd</primary>
+  </indexterm>
+
+  <sect2 role="package">
+    <title/>
+
+    <para>Zstandard is a real-time compression algorithm, providing high
+    compression ratios. It offers a very wide range of compression / speed
+    trade-offs, while being backed by a very fast decoder.</para>
+
+    <segmentedlist>
+      <segtitle>&buildtime;</segtitle>
+      <segtitle>&diskspace;</segtitle>
+
+      <seglistitem>
+        <seg>&zstd-ch6-sbu;</seg>
+        <seg>&zstd-ch6-du;</seg>
+      </seglistitem>
+    </segmentedlist>
+
+  </sect2>
+
+  <sect2 role="installiation">
+    <title>Installation of Zstd</title>
+
+    <para>Compile the package:</para>
+
+<screen><userinput remap="make">make</userinput></screen>
+
+    <para>This package does not come with a test suite.</para>
+
+    <para>Install the package:</para>
+
+<screen><userinput remap="install">make prefix=/usr install</userinput></screen>
+
+  </sect2>
+
+  <sect2 id="contents-zstd" role="content">
+    <title>Contents of zstd</title>
+
+    <segmentedlist>
+      <segtitle>Installed programs</segtitle>
+      <segtitle>Installed library</segtitle>
+
+      <seglistitem>
+        <seg>zstd, 
+             zstdcat (link to zstd), 
+             zstdgrep, 
+             zstdless, 
+             zstdmt (link to zstd), and
+             unzstd (link to zstd)
+        </seg>
+
+        <seg>libzstd.so</seg>
+      </seglistitem>
+    </segmentedlist>
+
+    <variablelist>
+      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
+      <?dbfo list-presentation="list"?>
+      <?dbhtml list-presentation="table"?>
+
+      <varlistentry id="zstd">
+        <term><command>zstd</command></term>
+        <listitem>
+          <para>Compresses or decompresses files using the ZSTD format</para>
+          <indexterm zone="ch-system-zstd zstd">
+            <primary sortas="b-zstd">zstd</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="zstdgrep">
+        <term><command>zstdgrep</command></term>
+        <listitem>
+          <para>Runs <command>egrep</command> on ZSTD compressed files</para>
+          <indexterm zone="ch-system-zstd zstdgrep">
+            <primary sortas="b-zstdgrep">zstdgrep</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="zstdless">
+        <term><command>zstdless</command></term>
+        <listitem>
+          <para>Runs <command>less</command> on ZSTD compressed files</para>
+          <indexterm zone="ch-system-zstd zstdless">
+            <primary sortas="b-zstdless">zstdless</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="libzstd">
+        <term><filename class="libraryfile">libzstd</filename></term>
+        <listitem>
+          <para>The library implementing lossless data
+          compression, using the ZSTD algorithm</para>
+          <indexterm zone="ch-system-zstd libzstd">
+            <primary sortas="c-libzstd">libzstd</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+    </variablelist>
+
+  </sect2>
+
+</sect1>