1 | <?xml version="1.0" encoding="UTF-8"?>
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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 |
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8 | <sect1 id="ch-system-gmp" role="wrap">
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9 | <?dbhtml filename="gmp.html"?>
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10 |
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11 | <sect1info condition="script">
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12 | <productname>gmp</productname>
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13 | <productnumber>&gmp-version;</productnumber>
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14 | <address>&gmp-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>GMP-&gmp-version;</title>
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18 |
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19 | <indexterm zone="ch-system-gmp">
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20 | <primary sortas="a-GMP">GMP</primary>
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21 | </indexterm>
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22 |
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23 | <sect2 role="package">
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24 | <title/>
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25 |
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26 | <para>The GMP package contains math libraries. These have useful functions
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27 | for arbitrary precision arithmetic.</para>
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28 |
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29 | <segmentedlist>
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30 | <segtitle>&buildtime;</segtitle>
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31 | <segtitle>&diskspace;</segtitle>
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32 |
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33 | <seglistitem>
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34 | <seg>&gmp-fin-sbu;</seg>
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35 | <seg>&gmp-fin-du;</seg>
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36 | </seglistitem>
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37 | </segmentedlist>
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38 |
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39 | </sect2>
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40 |
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41 | <sect2 role="installation">
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42 | <title>Installation of GMP</title>
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43 |
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44 | <note>
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45 | <para>If you are building for 32-bit x86, but you have a CPU which is
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46 | capable of running 64-bit code <emphasis>and</emphasis> you have specified
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47 | <envar>CFLAGS</envar> in the environment, the configure script will
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48 | attempt to configure for 64-bits and fail.
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49 | Avoid this by invoking the configure command below with
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50 | <screen role="nodump"><userinput><parameter>ABI=32</parameter> ./configure ...</userinput></screen></para>
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51 | </note>
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52 |
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53 | <note>
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54 | <para>The default settings of GMP produce libraries optimized for
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55 | the host processor. If libraries suitable for processors less
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56 | capable than the host's CPU are desired, generic libraries can be
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57 | created by appending the <option>--host=none-linux-gnu</option> option
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58 | to the <command>configure</command> command.</para>
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59 |
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60 | <!-- To editors: the configure script says "the none host is obsolete,
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61 | use - -disable-assembly," but don't believe it: with the latter
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62 | CFLAGS is still automatically set to -march=something. -->
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63 | </note>
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64 |
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65 | <para>Prepare GMP for compilation:</para>
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66 |
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67 | <screen><userinput remap="configure">./configure --prefix=/usr \
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68 | --enable-cxx \
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69 | --disable-static \
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70 | --docdir=/usr/share/doc/gmp-&gmp-version;</userinput></screen>
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71 |
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72 | <variablelist>
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73 | <title>The meaning of the new configure options:</title>
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74 |
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75 | <varlistentry>
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76 | <term><parameter>--enable-cxx</parameter></term>
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77 | <listitem>
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78 | <para>This parameter enables C++ support</para>
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79 | </listitem>
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80 | </varlistentry>
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81 |
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82 | <varlistentry>
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83 | <term><parameter>--docdir=/usr/share/doc/gmp-&gmp-version;</parameter></term>
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84 | <listitem>
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85 | <para>This variable specifies the correct place for the
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86 | documentation.</para>
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87 | </listitem>
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88 | </varlistentry>
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89 |
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90 | </variablelist>
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91 |
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92 | <para>Compile the package and generate the HTML documentation:</para>
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93 |
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94 | <screen><userinput remap="make">make
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95 | make html</userinput></screen>
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96 |
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97 | <important>
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98 | <para>The test suite for GMP in this section is considered critical.
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99 | Do not skip it under any circumstances.</para>
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100 | </important>
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101 |
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102 | <para>Test the results:</para>
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103 |
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104 | <screen><userinput remap="test">make check 2>&1 | tee gmp-check-log</userinput></screen>
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105 |
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106 | <caution><para>The code in gmp is highly optimized for the processor where
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107 | it is built. Occasionally, the code that detects the processor misidentifies
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108 | the system capabilities and there will be errors in the tests or other
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109 | applications using the gmp libraries with the message
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110 | <computeroutput>Illegal instruction</computeroutput>.
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111 | In this case, gmp should be reconfigured with the option
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112 | <option>--host=none-linux-gnu</option> and rebuilt.</para></caution>
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113 |
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114 | <!-- Some tests PASS on a specific uarch but SKIP on other CPUs.
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115 | For example on K8 the following command outputs 200. -->
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116 | <para>Ensure that at least 199 tests in the test suite passed.
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117 | Check the results by issuing the following command:</para>
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118 |
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119 | <screen><userinput remap="test">awk '/# PASS:/{total+=$3} ; END{print total}' gmp-check-log</userinput></screen>
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120 |
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121 | <para>Install the package and its documentation:</para>
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122 |
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123 | <screen><userinput remap="install">make install
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124 | make install-html</userinput></screen>
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125 |
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126 | </sect2>
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127 |
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128 | <!-- - - - - - - - - - -->
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129 | <!-- Multilib - 32bit -->
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130 | <!-- - - - - - - - - - -->
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131 |
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132 | <sect2 arch="ml_32,ml_all" role="installation">
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133 | <title>Installation of GMP - 32bit</title>
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134 |
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135 | <para>Clean previous build:</para>
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136 |
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137 | <screen><userinput remap="pre">make distclean</userinput></screen>
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138 |
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139 | <para>Generic libraries can be created by running
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140 | the following:</para>
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141 |
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142 | <screen role="nodump"><userinput remap="pre">cp -v configfsf.guess config.guess
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143 | cp -v configfsf.sub config.sub</userinput></screen>
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144 |
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145 | <para>Prepare GMP for compilation:</para>
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146 |
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147 | <screen><userinput remap="configure">ABI="32" \
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148 | CFLAGS="-m32 -O2 -pedantic -fomit-frame-pointer -mtune=generic -march=i686" \
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149 | CXXFLAGS="$CFLAGS" \
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150 | PKG_CONFIG_PATH="/usr/lib32/pkgconfig" \
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151 | ./configure \
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152 | --host=i686-pc-linux-gnu \
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153 | --prefix=/usr \
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154 | --disable-static \
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155 | --enable-cxx \
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156 | --libdir=/usr/lib32 \
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157 | --includedir=/usr/include/m32/gmp</userinput></screen>
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158 |
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159 | <variablelist>
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160 | <title>The meaning of the new configure options:</title>
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161 |
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162 | <varlistentry>
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163 | <term><parameter>--includedir=/usr/include/m32/gmp</parameter></term>
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164 | <listitem>
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165 | <para>Some definitions in gmp.h differs for each arch but
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166 | has same name. Therefore, the headers must be separated from
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167 | each other.</para>
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168 | </listitem>
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169 | </varlistentry>
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170 |
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171 | </variablelist>
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172 |
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173 | <para>Compile the package:</para>
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174 |
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175 | <screen><userinput remap="make">sed -i 's/$(exec_prefix)\/include/$\(includedir\)/' Makefile
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176 | make</userinput></screen>
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177 |
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178 | <important>
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179 | <para>The test suite for GMP in this section is considered critical.
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180 | Do not skip it under any circumstances.</para>
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181 | </important>
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182 |
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183 | <para>Test the results:</para>
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184 |
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185 | <screen><userinput remap="test">make check 2>&1 | tee gmp-check-log</userinput></screen>
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186 |
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187 | <para>Ensure that all 197 tests in the test suite passed.
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188 | Check the results by issuing the following command:</para>
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189 |
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190 | <screen><userinput remap="test">awk '/# PASS:/{total+=$3} ; END{print total}' gmp-check-log</userinput></screen>
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191 |
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192 | <para>Install the package:</para>
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193 |
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194 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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195 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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196 | cp -Rv DESTDIR/usr/include/m32/* /usr/include/m32/
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197 | rm -rf DESTDIR</userinput></screen>
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198 |
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199 | </sect2><!-- m32 -->
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200 |
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201 | <!-- - - - - - - - - - -->
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202 | <!-- Multilib - x32bit -->
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203 | <!-- - - - - - - - - - -->
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204 |
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205 | <sect2 arch="ml_x32,ml_all" role="installation">
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206 | <title>Installation of GMP - x32-bit</title>
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207 |
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208 | <para>Clean previous build:</para>
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209 |
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210 | <screen><userinput remap="pre">make distclean</userinput></screen>
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211 |
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212 | <para>Generic libraries can be created by running
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213 | the following:</para>
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214 |
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215 | <screen role="nodump"><userinput remap="pre">cp -v configfsf.guess config.guess
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216 | cp -v configfsf.sub config.sub</userinput></screen>
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217 |
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218 | <para>Prepare GMP for compilation:</para>
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219 |
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220 | <screen><userinput remap="configure">ABI="x32" \
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221 | CFLAGS="-mx32 -O2 -pedantic -fomit-frame-pointer -mtune=generic -march=x86-64" \
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222 | CXXFLAGS="$CFLAGS" \
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223 | PKG_CONFIG_PATH="/usr/libx32/pkgconfig" \
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224 | ./configure \
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225 | --host=x86_64-pc-linux-gnux32 \
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226 | --prefix=/usr \
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227 | --disable-static \
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228 | --enable-cxx \
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229 | --libdir=/usr/libx32 \
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230 | --includedir=/usr/include/mx32/gmp</userinput></screen>
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231 |
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232 | <para>Compile the package:</para>
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233 |
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234 | <screen><userinput remap="make">sed -i 's/$(exec_prefix)\/include/$\(includedir\)/' Makefile
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235 | make</userinput></screen>
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236 |
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237 | <important>
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238 | <para>The test suite for GMP in this section is considered critical.
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239 | Do not skip it under any circumstances.</para>
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240 | </important>
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241 |
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242 | <para>Test the results:</para>
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243 |
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244 | <screen><userinput remap="test">make check 2>&1 | tee gmp-check-log</userinput></screen>
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245 |
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246 | <para>Ensure that all 197 tests in the test suite passed.
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247 | Check the results by issuing the following command:</para>
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248 |
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249 | <screen><userinput remap="test">awk '/# PASS:/{total+=$3} ; END{print total}' gmp-check-log</userinput></screen>
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250 |
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251 | <para>Install the package:</para>
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252 |
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253 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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254 | cp -Rv DESTDIR/usr/libx32/* /usr/libx32
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255 | cp -Rv DESTDIR/usr/include/mx32/* /usr/include/mx32/
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256 | rm -rf DESTDIR</userinput></screen>
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257 |
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258 | </sect2><!-- mx32 -->
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259 |
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260 | <sect2 id="contents-gmp" role="content">
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261 | <title>Contents of GMP</title>
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262 |
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263 | <segmentedlist>
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264 | <segtitle>Installed libraries</segtitle>
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265 | <segtitle>Installed directory</segtitle>
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266 |
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267 | <seglistitem>
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268 | <seg>libgmp.so and libgmpxx.so</seg>
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269 | <seg>/usr/share/doc/gmp-&gmp-version;</seg>
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270 | </seglistitem>
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271 | </segmentedlist>
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272 |
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273 | <variablelist>
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274 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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275 | <?dbfo list-presentation="list"?>
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276 | <?dbhtml list-presentation="table"?>
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277 |
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278 | <varlistentry id="libgmp">
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279 | <term><filename class="libraryfile">libgmp</filename></term>
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280 | <listitem>
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281 | <para>Contains precision math functions</para>
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282 | <indexterm zone="ch-system-gmp libgmp">
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283 | <primary sortas="c-libgmp">libgmp</primary>
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284 | </indexterm>
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285 | </listitem>
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286 | </varlistentry>
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287 |
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288 | <varlistentry id="libgmpxx">
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289 | <term><filename class="libraryfile">libgmpxx</filename></term>
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290 | <listitem>
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291 | <para>Contains C++ precision math functions</para>
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292 | <indexterm zone="ch-system-gmp libgmpxx">
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293 | <primary sortas="c-libgmpxx">libgmpxx</primary>
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294 | </indexterm>
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295 | </listitem>
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296 | </varlistentry>
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297 | </variablelist>
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298 |
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299 | </sect2>
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300 |
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301 | </sect1>
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