1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY llvm-download-http "http://llvm.org/releases/&llvm-version;/llvm-&llvm-version;.src.tar.gz">
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8 | <!ENTITY llvm-download-ftp " ">
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9 | <!ENTITY llvm-md5sum "16eaa7679f84113f65b12760fdfe4ee1">
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10 | <!ENTITY llvm-size "10.6 MB">
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11 | <!ENTITY llvm-buildsize "670 MB">
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12 | <!ENTITY llvm-time "13.0 SBU (add about 7 SBU for clang)">
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13 | ]>
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14 |
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15 | <sect1 id="llvm" xreflabel="llvm-&llvm-version;">
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16 | <?dbhtml filename="llvm.html" ?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>LLVM-&llvm-version;</title>
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24 |
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25 | <indexterm zone="llvm">
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26 | <primary sortas="a-LLVM">LLVM</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to LLVM</title>
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31 |
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32 | <para>The <application>llvm</application> package contains a collection of
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33 | modular and reusable compiler and toolchain technologies. The Low Level
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34 | Virtual MAchine (LLVM) Core libraries provide a modern source- and
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35 | target-independent optimizer, along with code generation support for many
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36 | popular CPUs (as well as some less common ones!) These libraries are built
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37 | around a well specified code representation known as the LLVM intermediate
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38 | representation ("LLVM IR").</para>
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39 |
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40 | <para>The optional <application>clang</application> package provides a
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41 | new C, C++, Objective C and Objective C++ front-end for the LLVM compiler.</para>
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42 |
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43 | &lfs71_checked;
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44 |
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45 | <bridgehead renderas="sect3">Package Information</bridgehead>
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46 | <itemizedlist spacing="compact">
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47 | <listitem>
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48 | <para>Download (HTTP): <ulink url="&llvm-download-http;"/></para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download (FTP): <ulink url="&llvm-download-ftp;"/></para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Download MD5 sum: &llvm-md5sum;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Download size: &llvm-size;</para>
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58 | </listitem>
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59 | <listitem>
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60 | <para>Estimated disk space required: &llvm-buildsize;</para>
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61 | </listitem>
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62 | <listitem>
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63 | <para>Estimated build time: &llvm-time;</para>
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64 | </listitem>
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65 | </itemizedlist>
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66 |
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67 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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68 | <itemizedlist spacing='compact'>
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69 | <listitem>
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70 | <para>Optional package:
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71 | <ulink url="http://llvm.org/releases/&llvm-version;/clang-&llvm-version;.src.tar.gz"/>
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72 | </para>
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73 | </listitem>
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74 | </itemizedlist>
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75 |
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76 | <bridgehead renderas="sect3">LLVM Dependencies</bridgehead>
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77 |
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78 | <bridgehead renderas="sect4">Recommended</bridgehead>
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79 | <para role="recommended">
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80 | <xref linkend="libffi"/>
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81 | </para>
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82 |
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83 | <bridgehead renderas="sect4">Optional</bridgehead>
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84 | <para role="optional">
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85 | <xref linkend="doxygen"/> and
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86 | <xref linkend="graphviz"/>
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87 | </para>
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88 |
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89 | <para condition="html" role="usernotes">User Notes:
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90 | <ulink url="&blfs-wiki;/llvm"/></para>
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91 |
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92 | </sect2>
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93 |
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94 | <sect2 role="installation">
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95 | <title>Installation of LLVM</title>
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96 |
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97 | <para>If you downloaded the optional <application>clang</application> package,
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98 | install it into the source tree:</para>
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99 |
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100 | <screen><userinput>tar -xf ../clang-&llvm-version;.src.tar.gz -C tools &&
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101 | mv tools/clang-&llvm-version;.src tools/clang</userinput></screen>
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102 |
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103 | <para>Install <application>llvm</application> by running the following
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104 | commands:</para>
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105 |
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106 | <screen><userinput>CC=gcc \
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107 | CXX=g++ \
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108 | ./configure --prefix=/usr \
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109 | --libdir=/usr/lib/llvm \
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110 | --sysconfdir=/etc \
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111 | --enable-shared \
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112 | --enable-libffi \
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113 | --enable-targets=all \
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114 | --disable-expensive-checks \
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115 | --disable-debug-runtime \
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116 | --disable-assertions \
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117 | --enable-optimized &&
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118 |
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119 | make</userinput></screen>
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120 |
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121 | <para>To test the results, issue: <command>make check</command>.</para>
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122 |
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123 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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124 |
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125 | <screen role="root"><userinput>make install</userinput></screen>
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126 |
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127 | </sect2>
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128 | <!--
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129 | <sect2 role="commands">
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130 | <title>Command Explanations</title>
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131 |
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132 | <para><userinput>sed ... Makefile.config.in</userinput>: This fixes
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133 | installation directories.</para>
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134 |
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135 | <para><userinput>sed ... Makefile.rules</userinput>: This fixes an insecure
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136 | rpath that points to the build directory.</para>
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137 |
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138 | </sect2>
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139 | -->
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140 | <sect2 role="content">
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141 | <title>Contents</title>
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142 |
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143 | <segmentedlist>
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144 | <segtitle>Installed Programs</segtitle>
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145 | <segtitle>Installed Libraries</segtitle>
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146 | <segtitle>Installed Directories</segtitle>
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147 |
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148 | <seglistitem>
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149 | <seg>clang, clang++, and numerous llvm-* build tools</seg>
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150 | <seg>numerous custom libraries to support llvm and clang programs</seg>
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151 | <seg>/usr/lib/{clang,llvm}, /usr/share/doc/llvm</seg>
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152 | </seglistitem>
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153 | </segmentedlist>
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154 | <!--
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155 | <variablelist>
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156 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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157 | <?dbfo list-presentation="list"?>
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158 | <?dbhtml list-presentation="table"?>
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159 |
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160 | <varlistentry id="rep">
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161 | <term><command>rep</command></term>
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162 | <listitem>
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163 | <para>is the Lisp interpreter.</para>
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164 | <indexterm zone="llvm rep">
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165 | <primary sortas="b-rep">rep</primary>
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166 | </indexterm>
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167 | </listitem>
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168 | </varlistentry>
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169 |
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170 | <varlistentry id="llvm-lib">
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171 | <term><filename class='libraryfile'>llvm.so</filename></term>
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172 | <listitem>
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173 | <para> contains the functions necessary for the Lisp interpreter.</para>
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174 | <indexterm zone="llvm llvm-lib">
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175 | <primary sortas="c-llvm">llvm.so</primary>
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176 | </indexterm>
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177 | </listitem>
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178 | </varlistentry>
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179 |
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180 | </variablelist>
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181 | -->
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182 | </sect2>
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183 |
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184 | </sect1>
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185 |
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