[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 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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[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[81109e3] | 7 |
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[9652249] | 8 | <sect1 id="ch-tools-binutils-pass1" role="wrap">
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[81109e3] | 9 | <?dbhtml filename="binutils-pass1.html"?>
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| 10 |
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[e747759] | 11 | <sect1info condition="script">
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[6070f51] | 12 | <productname>binutils-pass1</productname>
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[e747759] | 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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[81109e3] | 17 | <title>Binutils-&binutils-version; - Pass 1</title>
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| 18 |
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| 19 | <indexterm zone="ch-tools-binutils-pass1">
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| 20 | <primary sortas="a-Binutils">Binutils</primary>
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| 21 | <secondary>tools, pass 1</secondary>
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| 22 | </indexterm>
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[bc82645e] | 23 |
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[81109e3] | 24 | <sect2 role="package">
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| 25 | <title/>
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[81fd230] | 26 |
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[d9441360] | 27 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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[fcc02767] | 28 | href="../chapter08/binutils.xml"
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[81109e3] | 29 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
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[673b0d8] | 30 |
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[81109e3] | 31 | <segmentedlist>
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| 32 | <segtitle>&buildtime;</segtitle>
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| 33 | <segtitle>&diskspace;</segtitle>
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[673b0d8] | 34 |
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[81109e3] | 35 | <seglistitem>
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[fb386e0] | 36 | <seg>&binutils-tmpp1-sbu;</seg>
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| 37 | <seg>&binutils-tmpp1-du;</seg>
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[81109e3] | 38 | </seglistitem>
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| 39 | </segmentedlist>
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[81fd230] | 40 |
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[81109e3] | 41 | </sect2>
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[73aedd1d] | 42 |
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[81109e3] | 43 | <sect2 role="installation">
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[4e82d47] | 44 | <title>Installation of Cross Binutils</title>
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[81fd230] | 45 |
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[12fff1e] | 46 | <note><para>Go back and re-read the notes in the section titled <xref
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| 47 | linkend="ch-tools-generalinstructions"/>.
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| 48 | Understanding the notes labeled important can save you a lot
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[16471f8] | 49 | of problems later.</para></note>
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| 50 |
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[81109e3] | 51 | <para>It is important that Binutils be the first package compiled
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| 52 | because both Glibc and GCC perform various tests on the available
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| 53 | linker and assembler to determine which of their own features to
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| 54 | enable.</para>
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| 55 |
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[f1dd547] | 56 | <para>The Binutils documentation recommends building Binutils
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| 57 | in a dedicated build directory:</para>
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[3d36131c] | 58 |
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[f1dd547] | 59 | <screen><userinput remap="pre">mkdir -v build
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| 60 | cd build</userinput></screen>
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[73aedd1d] | 61 |
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[81109e3] | 62 | <note>
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| 63 | <para>In order for the SBU values listed in the rest of the book
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| 64 | to be of any use, measure the time it takes to build this package from
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| 65 | the configuration, up to and including the first install. To achieve
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[d79d189e] | 66 | this easily, wrap the commands in a <command>time</command>
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[17eb152] | 67 | command like this: <userinput>time { ../configure ... && make
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[81109e3] | 68 | && make install; }</userinput>.</para>
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| 69 | </note>
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[79524a0] | 70 |
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[81109e3] | 71 | <para>Now prepare Binutils for compilation:</para>
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[73aedd1d] | 72 |
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[efcb393] | 73 | <screen><userinput remap="configure">../configure --prefix=$LFS/tools \
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[f1dd547] | 74 | --with-sysroot=$LFS \
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| 75 | --target=$LFS_TGT \
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| 76 | --disable-nls \
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| 77 | --disable-werror</userinput></screen>
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[73aedd1d] | 78 |
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[81109e3] | 79 | <variablelist>
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| 80 | <title>The meaning of the configure options:</title>
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| 81 |
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[1a3e6a3] | 82 | <varlistentry>
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[efcb393] | 83 | <term><parameter>--prefix=$LFS/tools</parameter></term>
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[1a3e6a3] | 84 | <listitem>
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| 85 | <para>This tells the configure script to prepare to install the
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[79524a0] | 86 | binutils programs in the <filename
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[efcb393] | 87 | class="directory">$LFS/tools</filename> directory.</para>
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[1a3e6a3] | 88 | </listitem>
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| 89 | </varlistentry>
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| 90 |
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| 91 | <varlistentry>
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| 92 | <term><parameter>--with-sysroot=$LFS</parameter></term>
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| 93 | <listitem>
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| 94 | <para>For cross compilation, this tells the build system to look in
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| 95 | $LFS for the target system libraries as needed.</para>
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| 96 | </listitem>
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| 97 | </varlistentry>
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[79524a0] | 98 |
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[acec478] | 99 | <varlistentry>
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[4e82d47] | 100 | <term><envar>--target=$LFS_TGT</envar></term>
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[acec478] | 101 | <listitem>
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[4e82d47] | 102 | <para>Because the machine description in the <envar>LFS_TGT</envar>
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| 103 | variable is slightly different than the value returned by the
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[55fa5a3] | 104 | <command>config.guess</command> script, this switch will tell the
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[79524a0] | 105 | <command>configure</command> script to adjust binutil's build system
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[55fa5a3] | 106 | for building a cross linker. </para>
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[acec478] | 107 | </listitem>
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| 108 | </varlistentry>
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| 109 |
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[81109e3] | 110 | <varlistentry>
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| 111 | <term><parameter>--disable-nls</parameter></term>
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| 112 | <listitem>
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| 113 | <para>This disables internationalization as i18n is not needed for the
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| 114 | temporary tools.</para>
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| 115 | </listitem>
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| 116 | </varlistentry>
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[2ca8941] | 117 |
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[954ca05] | 118 | <varlistentry>
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| 119 | <term><parameter>--disable-werror</parameter></term>
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| 120 | <listitem>
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| 121 | <para>This prevents the build from stopping in the event that there
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| 122 | are warnings from the host's compiler.</para>
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| 123 | </listitem>
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| 124 | </varlistentry>
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| 125 |
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[81109e3] | 126 | </variablelist>
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[81fd230] | 127 |
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[81109e3] | 128 | <para>Continue with compiling the package:</para>
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[73aedd1d] | 129 |
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[0445a3d] | 130 | <screen><userinput remap="make">make</userinput></screen>
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[81fd230] | 131 |
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[81109e3] | 132 | <para>Install the package:</para>
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[73aedd1d] | 133 |
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[03a41fd0] | 134 | <screen><userinput remap="install">make install -j1</userinput></screen>
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| 135 |
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| 136 | <variablelist>
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| 137 | <title>The meaning of the make parameter:</title>
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| 138 |
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| 139 | <varlistentry>
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| 140 | <term><parameter>-j1</parameter></term>
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| 141 | <listitem>
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| 142 | <para>An issue in the building system may cause the installation
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| 143 | to fail with <option>-j N</option> in <envar>MAKEFLAGS</envar>.
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| 144 | Override it to workaround this issue.</para>
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| 145 | </listitem>
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| 146 | </varlistentry>
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| 147 | </variablelist>
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[73aedd1d] | 148 |
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[81109e3] | 149 | </sect2>
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| 150 |
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| 151 | <sect2 role="content">
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| 152 | <title/>
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| 153 |
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| 154 | <para>Details on this package are located in
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| 155 | <xref linkend="contents-binutils" role="."/></para>
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| 156 |
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| 157 | </sect2>
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[81fd230] | 158 |
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[bc82645e] | 159 | </sect1>
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