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 | |
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8 | <sect1 id="ch-cross-tools-eglibc" role="wrap"> |
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9 | <?dbhtml filename="eglibc.html"?> |
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10 | |
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11 | <title>EGLIBC-&eglibc-version;</title> |
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12 | |
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13 | <indexterm zone="ch-cross-tools-eglibc"> |
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14 | <primary sortas="a-EGLIBC">EGLIBC</primary> |
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15 | <secondary>cross tools</secondary> |
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16 | </indexterm> |
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17 | |
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18 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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19 | href="../../final-system/common/eglibc.xml" |
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20 | xpointer="xpointer(//*[@role='package'])"/> |
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21 | |
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22 | <sect2 role="installation"> |
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23 | <title>Installation of EGLIBC</title> |
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24 | |
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25 | <para os="da">It should be noted that compiling EGLIBC in any way other than |
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26 | the method suggested in this book puts the stability of the system at |
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27 | risk.</para> |
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28 | |
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29 | <para os="db">Disable linking to <filename>libgcc_eh</filename>:</para> |
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30 | |
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31 | <screen os="dc"><userinput>cp -v Makeconfig{,.orig} |
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32 | sed -e 's/-lgcc_eh//g' Makeconfig.orig > Makeconfig</userinput></screen> |
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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="../../final-system/common/eglibc.xml" |
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36 | xpointer="xpointer(//*[@os='e'])"/> |
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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="../../final-system/common/eglibc.xml" |
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40 | xpointer="xpointer(//*[@os='f'])"/> |
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41 | |
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42 | <para os="dd">The following lines need to be added to |
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43 | <filename>config.cache</filename> for EGLIBC to support NPTL:</para> |
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44 | |
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45 | <screen os="de"><userinput>cat > config.cache << "EOF" |
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46 | libc_cv_forced_unwind=yes |
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47 | libc_cv_c_cleanup=yes |
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48 | libc_cv_gnu89_inline=yes |
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49 | EOF</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="../../final-system/common/eglibc.xml" |
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53 | xpointer="xpointer(//*[@os='g'])"/> |
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54 | |
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55 | <screen os="df"><userinput>BUILD_CC="gcc" CC="${CLFS_TARGET}-gcc" \ |
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56 | AR="${CLFS_TARGET}-ar" RANLIB="${CLFS_TARGET}-ranlib" \ |
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57 | ../eglibc-&eglibc-version;/configure --prefix=/tools \ |
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58 | --host=${CLFS_TARGET} --build=${CLFS_HOST} \ |
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59 | --disable-profile --enable-add-ons \ |
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60 | --with-tls --enable-kernel=2.6.0 --with-__thread \ |
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61 | --with-binutils=/cross-tools/bin --with-headers=/tools/include \ |
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62 | --cache-file=config.cache</userinput></screen> |
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63 | |
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64 | <variablelist os="dg"> |
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65 | <title>The meaning of the new configure options:</title> |
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66 | |
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67 | <varlistentry os="dg1"> |
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68 | <term><parameter>BUILD_CC="gcc"</parameter></term> |
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69 | <listitem> |
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70 | <para>This sets EGLIBC to use the current compiler on our system. This is |
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71 | used to create the tools EGLIBC uses during its build.</para> |
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72 | </listitem> |
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73 | </varlistentry> |
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74 | |
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75 | <varlistentry os="dg2"> |
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76 | <term><parameter>CC="${CLFS_TARGET}-gcc"</parameter></term> |
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77 | <listitem> |
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78 | <para>This forces EGLIBC to use the GCC compiler that we made for our target |
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79 | architecture.</para> |
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80 | </listitem> |
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81 | </varlistentry> |
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82 | |
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83 | <varlistentry os="dg3"> |
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84 | <term><parameter>AR="${CLFS_TARGET}-ar"</parameter></term> |
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85 | <listitem> |
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86 | <para>This forces EGLIBC to use the <command>ar</command> utility |
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87 | we made for our target architecture.</para> |
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88 | </listitem> |
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89 | </varlistentry> |
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90 | |
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91 | <varlistentry os="dg4"> |
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92 | <term><parameter>RANLIB="${CLFS_TARGET}-ranlib"</parameter></term> |
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93 | <listitem> |
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94 | <para>This forces EGLIBC to use the <command>ranlib</command> utility |
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95 | we made for our target architecture.</para> |
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96 | </listitem> |
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97 | </varlistentry> |
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98 | |
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99 | <varlistentry os="dg5"> |
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100 | <term><parameter>--disable-profile</parameter></term> |
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101 | <listitem> |
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102 | <para>This builds the libraries without profiling information. |
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103 | Omit this option if profiling on the temporary tools is necessary.</para> |
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104 | </listitem> |
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105 | </varlistentry> |
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106 | |
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107 | <varlistentry os="dg6"> |
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108 | <term><parameter>--enable-add-ons</parameter></term> |
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109 | <listitem> |
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110 | <para>This tells EGLIBC to utilize all add-ons that are |
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111 | available.</para> |
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112 | </listitem> |
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113 | </varlistentry> |
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114 | |
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115 | <varlistentry os="dg7"> |
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116 | <term><parameter>--with-tls</parameter></term> |
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117 | <listitem> |
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118 | <para>This tells EGLIBC to use Thread Local Storage.</para> |
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119 | </listitem> |
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120 | </varlistentry> |
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121 | |
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122 | <varlistentry os="dg8"> |
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123 | <term><parameter>--enable-kernel=2.6.0</parameter></term> |
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124 | <listitem> |
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125 | <para>This tells EGLIBC to compile the library with support |
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126 | for 2.6.x Linux kernels.</para> |
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127 | </listitem> |
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128 | </varlistentry> |
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129 | |
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130 | <varlistentry os="dg9"> |
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131 | <term><parameter>--with-__thread</parameter></term> |
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132 | <listitem> |
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133 | <para>This tells EGLIBC to use use the __thread for libc and |
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134 | libpthread builds.</para> |
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135 | </listitem> |
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136 | </varlistentry> |
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137 | |
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138 | <varlistentry os="dg10"> |
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139 | <term><parameter>--with-binutils=/cross-tools/bin</parameter></term> |
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140 | <listitem> |
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141 | <para>This tells EGLIBC to use the Binutils that are specific to |
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142 | our target architecture.</para> |
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143 | </listitem> |
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144 | </varlistentry> |
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145 | |
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146 | <varlistentry os="dg11"> |
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147 | <term><parameter>--with-headers=/tools/include</parameter></term> |
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148 | <listitem> |
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149 | <para>This tells EGLIBC to compile itself against the headers |
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150 | recently installed to the <filename class="directory">/tools</filename> |
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151 | directory, so that it knows exactly what features the kernel has |
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152 | and can optimize itself accordingly.</para> |
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153 | </listitem> |
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154 | </varlistentry> |
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155 | |
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156 | <varlistentry os="dg12"> |
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157 | <term><parameter>--cache-file=config.cache</parameter></term> |
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158 | <listitem> |
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159 | <para>This tells EGLIBC to utilize a premade cache file.</para> |
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160 | </listitem> |
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161 | </varlistentry> |
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162 | |
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163 | </variablelist> |
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164 | |
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165 | <para os="dh">During this stage the following warning might appear:</para> |
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166 | |
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167 | <blockquote os="di"><screen><computeroutput>configure: WARNING: |
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168 | *** These auxiliary programs are missing or |
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169 | *** incompatible versions: msgfmt |
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170 | *** some features will be disabled. |
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171 | *** Check the INSTALL file for required versions.</computeroutput></screen></blockquote> |
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172 | |
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173 | <para os="dj">The missing or incompatible <command>msgfmt</command> program is |
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174 | generally harmless. This <command>msgfmt</command> program is part of the |
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175 | Gettext package which the host distribution should provide.</para> |
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176 | |
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177 | <para os="dk">Compile the package:</para> |
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178 | |
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179 | <screen os="dl"><userinput>make</userinput></screen> |
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180 | |
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181 | <para os="dm">Install the package:</para> |
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182 | |
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183 | <screen os="dn"><userinput>make install</userinput></screen> |
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184 | |
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185 | </sect2> |
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186 | |
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187 | <sect2 role="content"> |
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188 | <title/> |
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189 | |
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190 | <para>Details on this package are located in <xref |
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191 | linkend="contents-eglibc" role="."/></para> |
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192 | |
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193 | </sect2> |
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194 | |
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195 | </sect1> |
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