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-tools-binutils-pass2" role="wrap">
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9 | <?dbhtml filename="binutils-pass2.html"?>
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10 |
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11 | <sect1info condition="script">
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12 | <productname>binutils-pass2</productname>
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13 | <productnumber>&binutils-version;</productnumber>
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14 | <address>&binutils-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>Binutils-&binutils-version; - Pass 2</title>
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18 |
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19 | <indexterm zone="ch-tools-binutils-pass2">
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20 | <primary sortas="a-Binutils">Binutils</primary>
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21 | <secondary>tools, pass 2</secondary>
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22 | </indexterm>
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23 |
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24 | <sect2 role="package">
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25 | <title/>
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26 |
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27 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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28 | href="../chapter06/binutils.xml"
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29 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
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30 |
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31 | <segmentedlist>
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32 | <segtitle>&buildtime;</segtitle>
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33 | <segtitle>&diskspace;</segtitle>
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34 |
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35 | <seglistitem>
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36 | <seg>&binutils-ch5p2-sbu;</seg>
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37 | <seg>&binutils-ch5p2-du;</seg>
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38 | </seglistitem>
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39 | </segmentedlist>
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40 |
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41 | </sect2>
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42 |
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43 | <sect2 role="installation">
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44 | <title>Installation of Binutils</title>
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45 |
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46 | <para>Create a separate build directory again:</para>
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47 |
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48 | <screen><userinput remap="pre">mkdir -v build
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49 | cd build</userinput></screen>
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50 |
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51 | <para>Prepare Binutils for compilation:</para>
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52 |
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53 | <screen arch="default"><userinput remap="configure">CC=$LFS_TGT-gcc \
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54 | AR=$LFS_TGT-ar \
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55 | RANLIB=$LFS_TGT-ranlib \
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56 | ../configure \
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57 | --prefix=/tools \
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58 | --disable-nls \
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59 | --disable-werror \
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60 | --with-lib-path=/tools/lib \
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61 | --with-sysroot</userinput></screen>
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62 |
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63 | <screen arch="ml_32,ml_x32,ml_all"><userinput remap="configure">lpath=/tools/lib</userinput>
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64 | <userinput remap="configure" arch="ml_32,ml_all">lpath="$lpath:/tools/lib32"</userinput>
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65 | <userinput remap="configure" arch="ml_x32,ml_all">lpath="$lpath:/tools/libx32"</userinput>
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66 | <userinput remap="configure">CC=$LFS_TGT-gcc \
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67 | AR=$LFS_TGT-ar \
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68 | RANLIB=$LFS_TGT-ranlib \
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69 | ../configure \
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70 | --prefix=/tools \
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71 | --disable-nls \
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72 | --disable-werror \
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73 | --with-lib-path=$lpath \
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74 | --with-sysroot \
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75 | --enable-64-bit-bfd \
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76 | --enable-multilib</userinput></screen>
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77 |
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78 | <variablelist>
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79 | <title>The meaning of the new configure options:</title>
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80 |
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81 | <varlistentry>
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82 | <term><parameter>CC=$LFS_TGT-gcc AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib</parameter></term>
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83 | <listitem>
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84 | <para>Because this is really a native build of Binutils, setting these
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85 | variables ensures that the build system uses the cross-compiler and
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86 | associated tools instead of the ones on the host system.</para>
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87 | </listitem>
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88 | </varlistentry>
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89 |
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90 | <varlistentry arch="default">
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91 | <term><parameter>--with-lib-path=/tools/lib</parameter></term>
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92 | <listitem>
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93 | <para>This tells the configure script to specify the library
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94 | search path during the compilation of Binutils, resulting in
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95 | <filename class="directory">/tools/lib</filename> being passed
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96 | to the linker. This prevents the linker from searching through
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97 | library directories on the host.</para>
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98 | </listitem>
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99 | </varlistentry>
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100 |
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101 | <varlistentry arch="ml_32,ml_x32,ml_all">
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102 | <term><parameter>--with-lib-path=/tools/lib:...</parameter></term>
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103 | <listitem>
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104 | <para>This tells the configure script to specify the library
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105 | search path during the compilation of Binutils, resulting in
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106 | <filename class="directory">/tools/lib</filename>,
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107 | <filename class="directory">/tools/lib32</filename> and
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108 | <filename class="directory">/tools/libx32</filename> being passed
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109 | to the linker. This prevents the linker from searching through
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110 | library directories on the host.</para>
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111 | </listitem>
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112 | </varlistentry>
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113 |
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114 | <varlistentry>
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115 | <term><parameter>--with-sysroot</parameter></term>
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116 | <listitem>
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117 | <para>This defines a default (non-existent) sysroot directory
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118 | <filename class="directory">/tools/$LFS_TGT/sys-root</filename>.
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119 | It is useful when looking for shared objects which are required by
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120 | other shared objects explicitly included on the linker's command
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121 | line. Those objects are searched into the directories listed in
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122 | <filename><sysroot>/etc/ld.so.conf</filename>, and failing
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123 | that, into the linker search path, which is right. If this switch
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124 | is not given, <filename>/etc/ld.so.conf</filename> on the host
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125 | is used, that is, programs may be linked to libraries on
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126 | the host, which we want to avoid.</para>
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127 | </listitem>
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128 | </varlistentry>
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129 |
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130 | <varlistentry arch="ml_32,ml_x32,ml_all">
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131 | <term><parameter>--enable-64-bit-bfd</parameter></term>
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132 | <listitem>
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133 | <para>TODO</para>
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134 | </listitem>
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135 | </varlistentry>
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136 |
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137 | <varlistentry arch="ml_32,ml_x32,ml_all">
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138 | <term><parameter>--enable-multilib</parameter></term>
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139 | <listitem>
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140 | <para>TODO</para>
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141 | </listitem>
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142 | </varlistentry>
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143 |
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144 | </variablelist>
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145 |
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146 | <para>Compile the package:</para>
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147 |
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148 | <screen><userinput remap="make">make</userinput></screen>
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149 |
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150 | <para>Install the package:</para>
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151 |
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152 | <screen><userinput remap="install">make install</userinput></screen>
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153 |
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154 | <para>Now prepare the linker for the <quote>Re-adjusting</quote> phase in
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155 | the next chapter:</para>
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156 |
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157 | <screen arch="default"><userinput remap="adjust">make -C ld clean
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158 | make -C ld LIB_PATH=/usr/lib:/lib
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159 | cp -v ld/ld-new /tools/bin</userinput></screen>
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160 |
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161 | <screen arch="ml_all"><userinput remap="adjust">make -C ld clean
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162 | make -C ld LIB_PATH=/usr/lib:/lib:/usr/lib32:/lib32:/usr/libx32:/libx32
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163 | cp -v ld/ld-new /tools/bin</userinput></screen>
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164 | <screen arch="ml_32"><userinput remap="adjust">make -C ld clean
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165 | make -C ld LIB_PATH=/usr/lib:/lib:/usr/lib32:/lib32
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166 | cp -v ld/ld-new /tools/bin</userinput></screen>
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167 | <screen arch="ml_x32"><userinput remap="adjust">make -C ld clean
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168 | make -C ld LIB_PATH=/usr/lib:/lib:/usr/libx32:/libx32
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169 | cp -v ld/ld-new /tools/bin</userinput></screen>
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170 |
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171 | <variablelist>
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172 | <title>The meaning of the make parameters:</title>
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173 |
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174 | <varlistentry>
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175 | <term><parameter>-C ld clean</parameter></term>
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176 | <listitem>
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177 | <para>This tells the make program to remove all compiled
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178 | files in the <filename class="directory">ld</filename>
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179 | subdirectory.</para>
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180 | </listitem>
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181 | </varlistentry>
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182 |
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183 | <varlistentry>
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184 | <term><parameter>-C ld LIB_PATH=/usr/lib:/lib</parameter></term>
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185 | <listitem>
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186 | <para>This option rebuilds everything in the <filename
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187 | class="directory">ld</filename> subdirectory. Specifying the
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188 | <envar>LIB_PATH</envar> Makefile variable on the command line
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189 | allows us to override the default value of the temporary tools
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190 | and point it to the proper final path. The value of this variable
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191 | specifies the linker's default library search path. This
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192 | preparation is used in the next chapter.</para>
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193 | </listitem>
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194 | </varlistentry>
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195 |
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196 | </variablelist>
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197 |
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198 | </sect2>
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199 |
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200 | <sect2 role="content">
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201 | <title/>
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202 |
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203 | <para>Details on this package are located in
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204 | <xref linkend="contents-binutils" role="."/></para>
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205 |
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206 | </sect2>
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207 |
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208 | </sect1>
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