[7152faa] | 1 | <?xml version="1.0" encoding="UTF-8"?>
|
---|
[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
---|
[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
| 5 | %general-entities;
|
---|
| 6 | ]>
|
---|
[81109e3] | 7 |
|
---|
[eae92372] | 8 | <sect1 id="ch-tools-binutils-pass1" role="wrap" xreflabel="binutils-pass1">
|
---|
[81109e3] | 9 | <?dbhtml filename="binutils-pass1.html"?>
|
---|
| 10 |
|
---|
[e747759] | 11 | <sect1info condition="script">
|
---|
[6070f51] | 12 | <productname>binutils-pass1</productname>
|
---|
[e747759] | 13 | <productnumber>&binutils-version;</productnumber>
|
---|
| 14 | <address>&binutils-url;</address>
|
---|
| 15 | </sect1info>
|
---|
| 16 |
|
---|
[81109e3] | 17 | <title>Binutils-&binutils-version; - Pass 1</title>
|
---|
| 18 |
|
---|
| 19 | <indexterm zone="ch-tools-binutils-pass1">
|
---|
| 20 | <primary sortas="a-Binutils">Binutils</primary>
|
---|
| 21 | <secondary>tools, pass 1</secondary>
|
---|
| 22 | </indexterm>
|
---|
[bc82645e] | 23 |
|
---|
[81109e3] | 24 | <sect2 role="package">
|
---|
| 25 | <title/>
|
---|
[81fd230] | 26 |
|
---|
[d9441360] | 27 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
|
---|
[fcc02767] | 28 | href="../chapter08/binutils.xml"
|
---|
[81109e3] | 29 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
|
---|
[673b0d8] | 30 |
|
---|
[81109e3] | 31 | <segmentedlist>
|
---|
| 32 | <segtitle>&buildtime;</segtitle>
|
---|
| 33 | <segtitle>&diskspace;</segtitle>
|
---|
[673b0d8] | 34 |
|
---|
[81109e3] | 35 | <seglistitem>
|
---|
[fb386e0] | 36 | <seg>&binutils-tmpp1-sbu;</seg>
|
---|
| 37 | <seg>&binutils-tmpp1-du;</seg>
|
---|
[81109e3] | 38 | </seglistitem>
|
---|
| 39 | </segmentedlist>
|
---|
[81fd230] | 40 |
|
---|
[81109e3] | 41 | </sect2>
|
---|
[73aedd1d] | 42 |
|
---|
[81109e3] | 43 | <sect2 role="installation">
|
---|
[4e82d47] | 44 | <title>Installation of Cross Binutils</title>
|
---|
[81fd230] | 45 |
|
---|
[12fff1e] | 46 | <note><para>Go back and re-read the notes in the section titled <xref
|
---|
| 47 | linkend="ch-tools-generalinstructions"/>.
|
---|
| 48 | Understanding the notes labeled important can save you a lot
|
---|
[16471f8] | 49 | of problems later.</para></note>
|
---|
| 50 |
|
---|
[81109e3] | 51 | <para>It is important that Binutils be the first package compiled
|
---|
| 52 | because both Glibc and GCC perform various tests on the available
|
---|
| 53 | linker and assembler to determine which of their own features to
|
---|
| 54 | enable.</para>
|
---|
| 55 |
|
---|
[a26f29f] | 56 | <para>The Binutils documentation recommends building Binutils
|
---|
[f1dd547] | 57 | in a dedicated build directory:</para>
|
---|
[3d36131c] | 58 |
|
---|
[f1dd547] | 59 | <screen><userinput remap="pre">mkdir -v build
|
---|
| 60 | cd build</userinput></screen>
|
---|
[73aedd1d] | 61 |
|
---|
[81109e3] | 62 | <note>
|
---|
| 63 | <para>In order for the SBU values listed in the rest of the book
|
---|
| 64 | to be of any use, measure the time it takes to build this package from
|
---|
| 65 | the configuration, up to and including the first install. To achieve
|
---|
[d79d189e] | 66 | this easily, wrap the commands in a <command>time</command>
|
---|
[17eb152] | 67 | command like this: <userinput>time { ../configure ... && make
|
---|
[81109e3] | 68 | && make install; }</userinput>.</para>
|
---|
| 69 | </note>
|
---|
[79524a0] | 70 |
|
---|
[81109e3] | 71 | <para>Now prepare Binutils for compilation:</para>
|
---|
[73aedd1d] | 72 |
|
---|
[763a00a] | 73 | <screen><userinput remap="configure">../configure --prefix=$LFS/tools \
|
---|
| 74 | --with-sysroot=$LFS \
|
---|
| 75 | --target=$LFS_TGT \
|
---|
| 76 | --disable-nls \
|
---|
[1b11115] | 77 | --enable-gprofng=no \
|
---|
[6fec3f5] | 78 | --disable-werror \
|
---|
[6e6641f] | 79 | --enable-new-dtags \
|
---|
[6fec3f5] | 80 | --enable-default-hash-style=gnu</userinput></screen>
|
---|
[73aedd1d] | 81 |
|
---|
[81109e3] | 82 | <variablelist>
|
---|
| 83 | <title>The meaning of the configure options:</title>
|
---|
| 84 |
|
---|
[1a3e6a3] | 85 | <varlistentry>
|
---|
[efcb393] | 86 | <term><parameter>--prefix=$LFS/tools</parameter></term>
|
---|
[1a3e6a3] | 87 | <listitem>
|
---|
| 88 | <para>This tells the configure script to prepare to install the
|
---|
[f6820bb6] | 89 | Binutils programs in the <filename
|
---|
[efcb393] | 90 | class="directory">$LFS/tools</filename> directory.</para>
|
---|
[1a3e6a3] | 91 | </listitem>
|
---|
| 92 | </varlistentry>
|
---|
| 93 |
|
---|
| 94 | <varlistentry>
|
---|
| 95 | <term><parameter>--with-sysroot=$LFS</parameter></term>
|
---|
| 96 | <listitem>
|
---|
| 97 | <para>For cross compilation, this tells the build system to look in
|
---|
| 98 | $LFS for the target system libraries as needed.</para>
|
---|
| 99 | </listitem>
|
---|
| 100 | </varlistentry>
|
---|
[79524a0] | 101 |
|
---|
[acec478] | 102 | <varlistentry>
|
---|
[4e82d47] | 103 | <term><envar>--target=$LFS_TGT</envar></term>
|
---|
[acec478] | 104 | <listitem>
|
---|
[4e82d47] | 105 | <para>Because the machine description in the <envar>LFS_TGT</envar>
|
---|
| 106 | variable is slightly different than the value returned by the
|
---|
[55fa5a3] | 107 | <command>config.guess</command> script, this switch will tell the
|
---|
[79524a0] | 108 | <command>configure</command> script to adjust binutil's build system
|
---|
[55fa5a3] | 109 | for building a cross linker. </para>
|
---|
[acec478] | 110 | </listitem>
|
---|
| 111 | </varlistentry>
|
---|
| 112 |
|
---|
[81109e3] | 113 | <varlistentry>
|
---|
| 114 | <term><parameter>--disable-nls</parameter></term>
|
---|
| 115 | <listitem>
|
---|
| 116 | <para>This disables internationalization as i18n is not needed for the
|
---|
| 117 | temporary tools.</para>
|
---|
| 118 | </listitem>
|
---|
| 119 | </varlistentry>
|
---|
[2ca8941] | 120 |
|
---|
[1b11115] | 121 | <varlistentry>
|
---|
| 122 | <term><parameter>--enable-gprofng=no</parameter></term>
|
---|
| 123 | <listitem>
|
---|
| 124 | <para>This disables building gprofng which is not needed for the
|
---|
| 125 | temporary tools.</para>
|
---|
| 126 | </listitem>
|
---|
| 127 | </varlistentry>
|
---|
| 128 |
|
---|
[954ca05] | 129 | <varlistentry>
|
---|
| 130 | <term><parameter>--disable-werror</parameter></term>
|
---|
| 131 | <listitem>
|
---|
| 132 | <para>This prevents the build from stopping in the event that there
|
---|
| 133 | are warnings from the host's compiler.</para>
|
---|
| 134 | </listitem>
|
---|
| 135 | </varlistentry>
|
---|
| 136 |
|
---|
[6e6641f] | 137 | <varlistentry>
|
---|
| 138 | <term><parameter>--enable-new-dtags</parameter></term>
|
---|
| 139 | <listitem>
|
---|
| 140 | <para>This makes the linker use the <quote>runpath</quote> tag for
|
---|
| 141 | embedding library search paths into executables and shared libraries,
|
---|
| 142 | instead of the traditional <quote>rpath</quote> tag. It makes
|
---|
| 143 | debugging dynamically linked executables easier and works around
|
---|
| 144 | potential issues in the test suite of some packages.</para>
|
---|
| 145 | </listitem>
|
---|
| 146 | </varlistentry>
|
---|
| 147 |
|
---|
[6fec3f5] | 148 | <varlistentry>
|
---|
| 149 | <term><parameter>--enable-default-hash-style=gnu</parameter></term>
|
---|
| 150 | <listitem>
|
---|
| 151 | <para>By default, the linker would generate both the GNU-style
|
---|
| 152 | hash table and the classic ELF hash table for shared libraries and
|
---|
| 153 | dynamically linked executables. The hash tables are only intended
|
---|
| 154 | for a dynamic linker to perform symbol lookup. On LFS the dynamic
|
---|
| 155 | linker (provided by the Glibc package) will always use the
|
---|
| 156 | GNU-style hash table which is faster to query. So the classic
|
---|
[acde0a3] | 157 | ELF hash table is completely useless. This makes the linker
|
---|
[6fec3f5] | 158 | only generate the GNU-style hash table by default, so we can avoid
|
---|
| 159 | wasting time to generate the classic ELF hash table when we build
|
---|
| 160 | the packages, or wasting disk space to store it.</para>
|
---|
| 161 | </listitem>
|
---|
| 162 | </varlistentry>
|
---|
| 163 |
|
---|
[81109e3] | 164 | </variablelist>
|
---|
[81fd230] | 165 |
|
---|
[81109e3] | 166 | <para>Continue with compiling the package:</para>
|
---|
[73aedd1d] | 167 |
|
---|
[0445a3d] | 168 | <screen><userinput remap="make">make</userinput></screen>
|
---|
[81fd230] | 169 |
|
---|
[81109e3] | 170 | <para>Install the package:</para>
|
---|
[73aedd1d] | 171 |
|
---|
[bca4876] | 172 | <screen><userinput remap="install">make install</userinput></screen>
|
---|
[73aedd1d] | 173 |
|
---|
[81109e3] | 174 | </sect2>
|
---|
| 175 |
|
---|
| 176 | <sect2 role="content">
|
---|
| 177 | <title/>
|
---|
| 178 |
|
---|
| 179 | <para>Details on this package are located in
|
---|
| 180 | <xref linkend="contents-binutils" role="."/></para>
|
---|
| 181 |
|
---|
| 182 | </sect2>
|
---|
[81fd230] | 183 |
|
---|
[bc82645e] | 184 | </sect1>
|
---|