[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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| 12 | <productname>binutils</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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[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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[81109e3] | 27 | <xi:include xmlns:xi="http://www.w3.org/2003/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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[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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[e4a5635] | 36 | <seg>&binutils-ch5p1-sbu;</seg>
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| 37 | <seg>&binutils-ch5p1-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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| 44 | <title>Installation of Binutils</title>
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[81fd230] | 45 |
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[81109e3] | 46 | <para>It is important that Binutils be the first package compiled
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| 47 | because both Glibc and GCC perform various tests on the available
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| 48 | linker and assembler to determine which of their own features to
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| 49 | enable.</para>
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| 50 |
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| 51 | <para>The Binutils documentation recommends building Binutils outside of the
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| 52 | source directory in a dedicated build directory:</para>
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[3d36131c] | 53 |
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[0445a3d] | 54 | <screen><userinput remap="pre">mkdir -v ../binutils-build
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[73aedd1d] | 55 | cd ../binutils-build</userinput></screen>
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| 56 |
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[81109e3] | 57 | <note>
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| 58 | <para>In order for the SBU values listed in the rest of the book
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| 59 | to be of any use, measure the time it takes to build this package from
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| 60 | the configuration, up to and including the first install. To achieve
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| 61 | this easily, wrap the three commands in a <command>time</command>
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| 62 | command like this: <userinput>time { ./configure ... && make
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| 63 | && make install; }</userinput>.</para>
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| 64 | </note>
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[73aedd1d] | 65 |
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[81109e3] | 66 | <para>Now prepare Binutils for compilation:</para>
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[73aedd1d] | 67 |
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[0445a3d] | 68 | <screen><userinput remap="configure">CC="gcc -B/usr/bin/" ../binutils-&binutils-version;/configure \
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[954ca05] | 69 | --prefix=/tools --disable-nls --disable-werror</userinput></screen>
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[73aedd1d] | 70 |
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[81109e3] | 71 | <variablelist>
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| 72 | <title>The meaning of the configure options:</title>
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| 73 |
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[acec478] | 74 | <varlistentry>
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| 75 | <term><envar>CC="gcc -B/usr/bin/"</envar></term>
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| 76 | <listitem>
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| 77 | <para>This forces <command>gcc</command> to prefer the linker from
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| 78 | the host in <filename class="directory">/usr/bin</filename>. This
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| 79 | is necessary on some hosts where the new <command>ld</command>
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| 80 | built here is not compatible with the host's <command>gcc</command>.
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| 81 | </para>
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| 82 | </listitem>
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| 83 | </varlistentry>
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| 84 |
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[81109e3] | 85 | <varlistentry>
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| 86 | <term><parameter>--prefix=/tools</parameter></term>
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| 87 | <listitem>
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| 88 | <para>This tells the configure script to prepare to install the
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| 89 | Binutils programs in the <filename class="directory">/tools</filename>
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| 90 | directory.</para>
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| 91 | </listitem>
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| 92 | </varlistentry>
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[81fd230] | 93 |
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[81109e3] | 94 | <varlistentry>
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| 95 | <term><parameter>--disable-nls</parameter></term>
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| 96 | <listitem>
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| 97 | <para>This disables internationalization as i18n is not needed for the
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| 98 | temporary tools.</para>
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| 99 | </listitem>
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| 100 | </varlistentry>
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[81fd230] | 101 |
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[954ca05] | 102 | <varlistentry>
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| 103 | <term><parameter>--disable-werror</parameter></term>
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| 104 | <listitem>
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| 105 | <para>This prevents the build from stopping in the event that there
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| 106 | are warnings from the host's compiler.</para>
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| 107 | </listitem>
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| 108 | </varlistentry>
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| 109 |
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[81109e3] | 110 | </variablelist>
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[81fd230] | 111 |
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[81109e3] | 112 | <para>Continue with compiling the package:</para>
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[73aedd1d] | 113 |
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[0445a3d] | 114 | <screen><userinput remap="make">make</userinput></screen>
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[81fd230] | 115 |
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[81109e3] | 116 | <para>Compilation is now complete. Ordinarily we would now run the
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| 117 | test suite, but at this early stage the test suite framework (Tcl,
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| 118 | Expect, and DejaGNU) is not yet in place. The benefits of running the
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| 119 | tests at this point are minimal since the programs from this
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| 120 | first pass will soon be replaced by those from the second.</para>
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[81fd230] | 121 |
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[81109e3] | 122 | <para>Install the package:</para>
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[73aedd1d] | 123 |
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[0445a3d] | 124 | <screen><userinput remap="install">make install</userinput></screen>
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[73aedd1d] | 125 |
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[81109e3] | 126 | <para>Next, prepare the linker for the <quote>Adjusting</quote> phase
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| 127 | later on:</para>
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[73aedd1d] | 128 |
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[0445a3d] | 129 | <screen><userinput remap="adjust">make -C ld clean
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[a11b40f] | 130 | make -C ld LIB_PATH=/tools/lib
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[62d3362] | 131 | cp -v ld/ld-new /tools/bin</userinput></screen>
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[73aedd1d] | 132 |
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[81109e3] | 133 | <variablelist>
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| 134 | <title>The meaning of the make parameters:</title>
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| 135 |
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| 136 | <varlistentry>
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| 137 | <term><parameter>-C ld clean</parameter></term>
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| 138 | <listitem>
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| 139 | <para>This tells the make program to remove all compiled
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| 140 | files in the <filename class="directory">ld</filename>
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| 141 | subdirectory.</para>
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| 142 | </listitem>
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| 143 | </varlistentry>
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| 144 |
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| 145 | <varlistentry>
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[a11b40f] | 146 | <term><parameter>-C ld LIB_PATH=/tools/lib</parameter></term>
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[81109e3] | 147 | <listitem>
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| 148 | <para>This option rebuilds everything in the <filename
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[a11b40f] | 149 | class="directory">ld</filename> subdirectory. Specifying the
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[81109e3] | 150 | <envar>LIB_PATH</envar> Makefile variable on the command line
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| 151 | allows us to override the default value and point it to the
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| 152 | temporary tools location. The value of this variable specifies
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| 153 | the linker's default library search path. This preparation is
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| 154 | used later in the chapter.</para>
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| 155 | </listitem>
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| 156 | </varlistentry>
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| 157 |
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| 158 | </variablelist>
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| 159 |
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| 160 | </sect2>
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| 161 |
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| 162 | <sect2 role="content">
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| 163 | <title/>
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| 164 |
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| 165 | <para>Details on this package are located in
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| 166 | <xref linkend="contents-binutils" role="."/></para>
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| 167 |
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| 168 | </sect2>
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[81fd230] | 169 |
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[bc82645e] | 170 | </sect1>
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