source: chapter05/binutils-pass1.xml@ 03a41fd0

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Last change on this file since 03a41fd0 was 03a41fd0, checked in by Xi Ruoyao <xry111@…>, 9 months ago

binutils: use -j1 for make install

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-tools-binutils-pass1" role="wrap">
9 <?dbhtml filename="binutils-pass1.html"?>
10
11 <sect1info condition="script">
12 <productname>binutils-pass1</productname>
13 <productnumber>&binutils-version;</productnumber>
14 <address>&binutils-url;</address>
15 </sect1info>
16
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>
23
24 <sect2 role="package">
25 <title/>
26
27 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
28 href="../chapter08/binutils.xml"
29 xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
30
31 <segmentedlist>
32 <segtitle>&buildtime;</segtitle>
33 <segtitle>&diskspace;</segtitle>
34
35 <seglistitem>
36 <seg>&binutils-tmpp1-sbu;</seg>
37 <seg>&binutils-tmpp1-du;</seg>
38 </seglistitem>
39 </segmentedlist>
40
41 </sect2>
42
43 <sect2 role="installation">
44 <title>Installation of Cross Binutils</title>
45
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
49 of problems later.</para></note>
50
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
56 <para>The Binutils documentation recommends building Binutils
57 in a dedicated build directory:</para>
58
59<screen><userinput remap="pre">mkdir -v build
60cd build</userinput></screen>
61
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
66 this easily, wrap the commands in a <command>time</command>
67 command like this: <userinput>time { ../configure ... &amp;&amp; make
68 &amp;&amp; make install; }</userinput>.</para>
69 </note>
70
71 <para>Now prepare Binutils for compilation:</para>
72
73<screen><userinput remap="configure">../configure --prefix=$LFS/tools \
74 --with-sysroot=$LFS \
75 --target=$LFS_TGT \
76 --disable-nls \
77 --disable-werror</userinput></screen>
78
79 <variablelist>
80 <title>The meaning of the configure options:</title>
81
82 <varlistentry>
83 <term><parameter>--prefix=$LFS/tools</parameter></term>
84 <listitem>
85 <para>This tells the configure script to prepare to install the
86 binutils programs in the <filename
87 class="directory">$LFS/tools</filename> directory.</para>
88 </listitem>
89 </varlistentry>
90
91 <varlistentry>
92 <term><parameter>--with-sysroot=$LFS</parameter></term>
93 <listitem>
94 <para>For cross compilation, this tells the build system to look in
95 $LFS for the target system libraries as needed.</para>
96 </listitem>
97 </varlistentry>
98
99 <varlistentry>
100 <term><envar>--target=$LFS_TGT</envar></term>
101 <listitem>
102 <para>Because the machine description in the <envar>LFS_TGT</envar>
103 variable is slightly different than the value returned by the
104 <command>config.guess</command> script, this switch will tell the
105 <command>configure</command> script to adjust binutil's build system
106 for building a cross linker. </para>
107 </listitem>
108 </varlistentry>
109
110 <varlistentry>
111 <term><parameter>--disable-nls</parameter></term>
112 <listitem>
113 <para>This disables internationalization as i18n is not needed for the
114 temporary tools.</para>
115 </listitem>
116 </varlistentry>
117
118 <varlistentry>
119 <term><parameter>--disable-werror</parameter></term>
120 <listitem>
121 <para>This prevents the build from stopping in the event that there
122 are warnings from the host's compiler.</para>
123 </listitem>
124 </varlistentry>
125
126 </variablelist>
127
128 <para>Continue with compiling the package:</para>
129
130<screen><userinput remap="make">make</userinput></screen>
131
132 <para>Install the package:</para>
133
134<screen><userinput remap="install">make install -j1</userinput></screen>
135
136 <variablelist>
137 <title>The meaning of the make parameter:</title>
138
139 <varlistentry>
140 <term><parameter>-j1</parameter></term>
141 <listitem>
142 <para>An issue in the building system may cause the installation
143 to fail with <option>-j N</option> in <envar>MAKEFLAGS</envar>.
144 Override it to workaround this issue.</para>
145 </listitem>
146 </varlistentry>
147 </variablelist>
148
149 </sect2>
150
151 <sect2 role="content">
152 <title/>
153
154 <para>Details on this package are located in
155 <xref linkend="contents-binutils" role="."/></para>
156
157 </sect2>
158
159</sect1>
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