1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/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" xreflabel="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>1.5 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>Zlib installation depends on</segtitle>
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24 | <seglistitem><seg>Binutils, Coreutils, GCC, Glibc, Make, 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 CFLAGS is
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32 | specified in the environment. If you are using your own CFLAGS variable, be
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33 | sure to add the <parameter>-fPIC</parameter> directive to your CFLAGS for the
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34 | duration of the below <command>configure</command> command, then remove it
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35 | afterwards.</para></note>
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36 |
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37 | <para>Prepare Zlib for compilation:</para>
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38 |
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39 | <screen><userinput>./configure --prefix=/usr --shared --libdir=/lib</userinput></screen>
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40 |
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41 | <para>Compile the package:</para>
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42 |
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43 | <screen><userinput>make</userinput></screen>
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44 |
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45 | <para>To test the results, issue:
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46 | <userinput>make check</userinput>.</para>
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47 |
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48 | <para>Install the shared library:</para>
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49 |
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50 | <screen><userinput>make install</userinput></screen>
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51 |
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52 | <para>Now we will remove the old, .so files in /lib and relink them into /usr/lib.</para>
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53 |
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54 | <screen><userinput>rm /lib/libz.so
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55 | ln -sf ../../lib/libz.so.&zlib-version; /usr/lib/libz.so</userinput></screen>
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56 |
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57 | <para>Now also build the non-shared (static) library:</para>
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58 |
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59 | <screen><userinput>make clean
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60 | ./configure --prefix=/usr
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61 | make</userinput></screen>
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62 |
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63 | <para>To again test the results, issue:
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64 | <userinput>make check</userinput>.</para>
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65 |
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66 | <para>Install the static library:</para>
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67 |
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68 | <screen><userinput>make install</userinput></screen>
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69 |
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70 | <para>And fix the permissions on the static library:</para>
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71 |
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72 | <screen><userinput>chmod 644 /usr/lib/libz.a</userinput></screen>
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73 |
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74 | </sect2>
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75 |
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76 |
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77 | <sect2 id="contents-zlib" role="content"><title>Contents of Zlib</title>
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78 |
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79 | <segmentedlist>
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80 | <segtitle>Installed libraries</segtitle>
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81 | <seglistitem><seg>libz[a,so]</seg></seglistitem>
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82 | </segmentedlist>
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83 |
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84 | <variablelist><title>Short description</title>
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85 |
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86 | <varlistentry id="libz">
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87 | <term><filename class="libraryfile">libz*</filename></term>
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88 | <listitem>
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89 | <indexterm zone="ch-system-zlib libz"><primary sortas="c-libz*">libz*</primary></indexterm>
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90 | <para>contains compression and un-compression
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91 | functions used by some programs.</para>
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92 | </listitem>
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93 | </varlistentry>
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94 | </variablelist>
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95 |
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96 | </sect2>
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97 |
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98 | </sect1>
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