1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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4 | %general-entities;
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5 | ]>
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6 | <sect1 id="ch-system-zlib" role="wrap">
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7 | <title>Zlib-&zlib-version;</title>
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8 | <?dbhtml filename="zlib.html"?>
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9 |
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10 | <indexterm zone="ch-system-zlib"><primary sortas="a-Zlib">Zlib</primary></indexterm>
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11 |
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12 | <sect2 role="package"><title/>
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13 | <para>The Zlib package contains compression and un-compression routines used by
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14 | some programs.</para>
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15 |
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16 | <segmentedlist>
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17 | <segtitle>&buildtime;</segtitle>
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18 | <segtitle>&diskspace;</segtitle>
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19 | <seglistitem><seg>0.1 SBU</seg><seg>2.7 MB</seg></seglistitem>
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20 | </segmentedlist>
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21 |
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22 | <segmentedlist>
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23 | <segtitle>&dependencies;</segtitle>
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24 | <seglistitem><seg>Binutils, Coreutils, GCC, Glibc, Make, and Sed</seg></seglistitem>
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25 | </segmentedlist>
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26 | </sect2>
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27 |
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28 | <sect2 role="installation">
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29 | <title>Installation of Zlib</title>
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30 |
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31 | <note><para>Zlib is known to build its shared library incorrectly if
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32 | <envar>CFLAGS</envar> is specified in the environment. If using a
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33 | specified <envar>CFLAGS</envar>
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34 | variable, be sure to add the <parameter>-fPIC</parameter> directive to
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35 | the <envar>CFLAGS</envar> variable for the duration of the
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36 | configure command below, then remove it afterwards.</para></note>
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37 |
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38 | <para>Prepare Zlib for compilation:</para>
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39 |
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40 | <screen><userinput>./configure --prefix=/usr --shared --libdir=/lib</userinput></screen>
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41 |
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42 | <para>Compile the package:</para>
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43 |
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44 | <screen><userinput>make</userinput></screen>
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45 |
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46 | <para>To test the results, issue:
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47 | <userinput>make check</userinput>.</para>
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48 |
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49 | <para>Install the shared library:</para>
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50 |
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51 | <screen><userinput>make install</userinput></screen>
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52 |
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53 | <para>The previous command installed a <filename
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54 | class="extension">.so</filename> file in <filename
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55 | class="directory">/lib</filename>. We will remove it and relink it into
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56 | <filename class="directory">/usr/lib</filename>:</para>
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57 |
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58 | <screen><userinput>rm /lib/libz.so
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59 | ln -sf ../../lib/libz.so.&zlib-version; /usr/lib/libz.so</userinput></screen>
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60 |
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61 | <para>Build the static library:</para>
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62 |
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63 | <screen><userinput>make clean
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64 | ./configure --prefix=/usr
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65 | make</userinput></screen>
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66 |
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67 | <para>To test the results again, issue:
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68 | <userinput>make check</userinput>.</para>
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69 |
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70 | <para>Install the static library:</para>
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71 |
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72 | <screen><userinput>make install</userinput></screen>
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73 |
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74 | <para>Fix the permissions on the static library:</para>
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75 |
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76 | <screen><userinput>chmod 644 /usr/lib/libz.a</userinput></screen>
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77 |
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78 | </sect2>
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79 |
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80 |
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81 | <sect2 id="contents-zlib" role="content"><title>Contents of Zlib</title>
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82 |
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83 | <segmentedlist>
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84 | <segtitle>Installed libraries</segtitle>
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85 | <seglistitem><seg>libz.[a,so]</seg></seglistitem>
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86 | </segmentedlist>
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87 |
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88 | <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
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89 | <?dbfo list-presentation="list"?>
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90 | <?dbhtml list-presentation="table"?>
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91 |
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92 | <varlistentry id="libz">
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93 | <term><filename class="libraryfile">libz</filename></term>
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94 | <listitem>
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95 | <para>Contains compression and un-compression
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96 | functions used by some programs</para>
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97 | <indexterm zone="ch-system-zlib libz"><primary sortas="c-libz">libz</primary></indexterm>
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98 | </listitem>
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99 | </varlistentry>
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100 | </variablelist>
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101 |
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102 | </sect2>
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103 |
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104 | </sect1>
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105 |
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