1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | <!ENTITY % patches-entities SYSTEM "../../patches.ent"> |
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6 | %general-entities; |
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7 | %patches-entities; |
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8 | ]> |
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9 | |
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10 | <sect1 id="ch-system-glibc" role="wrap"> |
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11 | <?dbhtml filename="glibc-64bit.html"?> |
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12 | |
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13 | <title>Glibc-&glibc-version; 64-Bit</title> |
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14 | |
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15 | <indexterm zone="ch-system-glibc"> |
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16 | <primary sortas="a-Glibc">Glibc</primary> |
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17 | </indexterm> |
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18 | |
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19 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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20 | href="glibc.xml" |
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21 | xpointer="xpointer(//*[@role='package'])"/> |
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22 | |
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23 | <sect2 role="installation"> |
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24 | <title>Installation of Glibc</title> |
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25 | |
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26 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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27 | href="glibc.xml" |
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28 | xpointer="xpointer(//*[@os='b'])"/> |
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29 | |
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30 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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31 | href="../common/glibc.xml" |
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32 | xpointer="xpointer(//*[@os='c'])"/> |
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33 | |
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34 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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35 | href="../common/glibc.xml" |
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36 | xpointer="xpointer(//*[@os='d'])"/> |
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37 | |
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38 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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39 | href="glibc.xml" |
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40 | xpointer="xpointer(//*[@os='e'])"/> |
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41 | |
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42 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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43 | href="glibc.xml" |
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44 | xpointer="xpointer(//*[@os='f'])"/> |
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45 | |
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46 | <para>Now we make sure the Glibc goes into |
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47 | <filename class="directory">/lib64</filename>:</para> |
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48 | |
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49 | <screen><userinput>echo "slibdir=/lib64" >> configparms</userinput></screen> |
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50 | |
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51 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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52 | href="glibc.xml" |
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53 | xpointer="xpointer(//*[@os='g'])"/> |
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54 | |
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55 | <screen><userinput>CC="gcc ${BUILD64}" CXX="g++ ${BUILD64}" \ |
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56 | ../glibc-&glibc-version;/configure --prefix=/usr \ |
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57 | --disable-profile --enable-add-ons --enable-kernel=2.6.0 \ |
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58 | --libexecdir=/usr/lib64/glibc --libdir=/usr/lib64</userinput></screen> |
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59 | |
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60 | <variablelist> |
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61 | <title>The meaning of the new configure option:</title> |
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62 | |
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63 | <varlistentry> |
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64 | <term><parameter>--libexecdir=/usr/lib64/glibc</parameter></term> |
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65 | <listitem> |
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66 | <para>This changes the location of the <command>pt_chown</command> |
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67 | program from its default of <filename |
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68 | class="directory">/usr/libexec</filename> to <filename |
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69 | class="directory">/usr/lib64/glibc</filename>.</para> |
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70 | </listitem> |
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71 | </varlistentry> |
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72 | </variablelist> |
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73 | |
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74 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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75 | href="glibc.xml" |
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76 | xpointer="xpointer(//*[@os='j'])"/> |
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77 | |
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78 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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79 | href="glibc.xml" |
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80 | xpointer="xpointer(//*[@os='k'])"/> |
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81 | |
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82 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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83 | href="glibc.xml" |
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84 | xpointer="xpointer(//*[@os='l'])"/> |
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85 | |
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86 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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87 | href="glibc.xml" |
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88 | xpointer="xpointer(//*[@os='m'])"/> |
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89 | |
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90 | <!-- items n,o,p here are now the master, not multilib, because |
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91 | the tests are known to all pass on multilib_64 --> |
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92 | |
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93 | <screen os="n"><userinput>make check</userinput></screen> |
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94 | |
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95 | <para os="o">The Glibc test suite is highly dependent on certain functions of |
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96 | the host system, in particular the kernel. In general, the Glibc test |
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97 | suite is always expected to pass. However, in certain circumstances, |
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98 | some failures are unavoidable. This is a list of the most common |
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99 | issues:</para> |
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100 | |
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101 | <itemizedlist os="p"> |
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102 | <listitem> |
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103 | <para>The <emphasis>math</emphasis> tests sometimes fail. |
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104 | Certain optimization settings are known to be a |
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105 | factor here.</para> |
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106 | </listitem> |
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107 | <listitem> |
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108 | <para>The <emphasis>gettext</emphasis> test sometimes fails due to |
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109 | host system issues. The exact reasons are not yet clear.</para> |
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110 | </listitem> |
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111 | <listitem> |
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112 | <para>If you have mounted the LFS partition with the |
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113 | <parameter>noatime</parameter> option, the <emphasis>atime</emphasis> test |
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114 | will fail. As mentioned in <xref linkend="ch-partitioning-mounting"/>, |
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115 | do not use the <parameter>noatime</parameter> option while building |
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116 | LFS.</para> |
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117 | </listitem> |
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118 | <listitem> |
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119 | <para>When running on older and slower hardware, some tests |
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120 | can fail because of test timeouts being exceeded.</para> |
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121 | </listitem> |
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122 | </itemizedlist> |
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123 | |
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124 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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125 | href="glibc.xml" |
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126 | xpointer="xpointer(//*[@os='s'])"/> |
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127 | |
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128 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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129 | href="glibc.xml" |
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130 | xpointer="xpointer(//*[@os='t'])"/> |
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131 | |
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132 | </sect2> |
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133 | |
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134 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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135 | href="../common/glibc.xml" |
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136 | xpointer="xpointer(id('i18n-glibc'))"/> |
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137 | |
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138 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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139 | href="../common/glibc.xml" |
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140 | xpointer="xpointer(id('conf-glibc'))"/> |
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141 | |
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142 | <sect2 id="conf-ld" role="configuration"> |
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143 | <title>Configuring Dynamic Loader</title> |
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144 | |
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145 | <indexterm zone="conf-ld"> |
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146 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary> |
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147 | </indexterm> |
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148 | |
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149 | <para>By default, the dynamic loader (<filename |
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150 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through |
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151 | <filename class="directory">/lib</filename> and <filename |
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152 | class="directory">/usr/lib</filename> for dynamic libraries that are |
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153 | needed by programs as they are run. However, if there are libraries in |
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154 | directories other than <filename class="directory">/lib</filename> and |
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155 | <filename class="directory">/usr/lib</filename>, these need to be |
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156 | added to the <filename>/etc/ld.so.conf</filename> file in order |
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157 | for the dynamic loader to find them. Two directories that are commonly |
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158 | known to contain additional libraries are |
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159 | <filename class="directory">/usr/local/lib</filename>, |
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160 | <filename class="directory">/usr/local/lib64</filename>, |
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161 | <filename class="directory">/opt/lib</filename>, |
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162 | and <filename class="directory">/opt/lib64</filename>, |
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163 | so add those directories to the dynamic loader's search path.</para> |
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164 | |
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165 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the |
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166 | following:</para> |
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167 | |
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168 | <screen><userinput>cat > /etc/ld.so.conf << "EOF" |
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169 | <literal># Begin /etc/ld.so.conf |
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170 | |
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171 | /usr/local/lib |
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172 | /usr/local/lib64 |
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173 | /opt/lib |
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174 | /opt/lib64 |
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175 | |
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176 | # End /etc/ld.so.conf</literal> |
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177 | EOF</userinput></screen> |
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178 | |
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179 | </sect2> |
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180 | |
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181 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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182 | href="../common/glibc.xml" |
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183 | xpointer="xpointer(id('contents-glibc'))"/> |
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184 | |
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185 | </sect1> |
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