source: chapter05/binutils-pass2.xml@ 6070f51

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Last change on this file since 6070f51 was 6070f51, checked in by Pierre Labastie <pieere@…>, 3 years ago

Change <productname> tags so that they reflect the dbhtml processing
instruction

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11574 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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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-pass2" role="wrap">
9 <?dbhtml filename="binutils-pass2.html"?>
10
11 <sect1info condition="script">
12 <productname>binutils-pass2</productname>
13 <productnumber>&binutils-version;</productnumber>
14 <address>&binutils-url;</address>
15 </sect1info>
16
17 <title>Binutils-&binutils-version; - Pass 2</title>
18
19 <indexterm zone="ch-tools-binutils-pass2">
20 <primary sortas="a-Binutils">Binutils</primary>
21 <secondary>tools, pass 2</secondary>
22 </indexterm>
23
24 <sect2 role="package">
25 <title/>
26
27 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
28 href="../chapter06/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-ch5p2-sbu;</seg>
37 <seg>&binutils-ch5p2-du;</seg>
38 </seglistitem>
39 </segmentedlist>
40
41 </sect2>
42
43 <sect2 role="installation">
44 <title>Installation of Binutils</title>
45
46 <para>Create a separate build directory again:</para>
47
48<screen><userinput remap="pre">mkdir -v build
49cd build</userinput></screen>
50
51 <para>Prepare Binutils for compilation:</para>
52
53<screen><userinput remap="configure">CC=$LFS_TGT-gcc \
54AR=$LFS_TGT-ar \
55RANLIB=$LFS_TGT-ranlib \
56../configure \
57 --prefix=/tools \
58 --disable-nls \
59 --disable-werror \
60 --with-lib-path=/tools/lib \
61 --with-sysroot</userinput></screen>
62
63 <variablelist>
64 <title>The meaning of the new configure options:</title>
65
66 <varlistentry>
67 <term><parameter>CC=$LFS_TGT-gcc AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib</parameter></term>
68 <listitem>
69 <para>Because this is really a native build of Binutils, setting these
70 variables ensures that the build system uses the cross-compiler and
71 associated tools instead of the ones on the host system.</para>
72 </listitem>
73 </varlistentry>
74
75 <varlistentry>
76 <term><parameter>--with-lib-path=/tools/lib</parameter></term>
77 <listitem>
78 <para>This tells the configure script to specify the library
79 search path during the compilation of Binutils, resulting in
80 <filename class="directory">/tools/lib</filename> being passed
81 to the linker. This prevents the linker from searching through
82 library directories on the host.</para>
83 </listitem>
84 </varlistentry>
85
86 <varlistentry>
87 <term><parameter>--with-sysroot</parameter></term>
88 <listitem>
89 <para>The sysroot feature enables the linker to find shared objects
90 which are required by other shared objects explicitly included on the
91 linker's command line. Without this, some packages may not build
92 successfully on some hosts.</para>
93 </listitem>
94 </varlistentry>
95
96 </variablelist>
97
98 <para>Compile the package:</para>
99
100<screen><userinput remap="make">make</userinput></screen>
101
102 <para>Install the package:</para>
103
104<screen><userinput remap="install">make install</userinput></screen>
105
106 <para>Now prepare the linker for the <quote>Re-adjusting</quote> phase in
107 the next chapter:</para>
108
109<screen><userinput remap="adjust">make -C ld clean
110make -C ld LIB_PATH=/usr/lib:/lib
111cp -v ld/ld-new /tools/bin</userinput></screen>
112
113 <variablelist>
114 <title>The meaning of the make parameters:</title>
115
116 <varlistentry>
117 <term><parameter>-C ld clean</parameter></term>
118 <listitem>
119 <para>This tells the make program to remove all compiled
120 files in the <filename class="directory">ld</filename>
121 subdirectory.</para>
122 </listitem>
123 </varlistentry>
124
125 <varlistentry>
126 <term><parameter>-C ld LIB_PATH=/usr/lib:/lib</parameter></term>
127 <listitem>
128 <para>This option rebuilds everything in the <filename
129 class="directory">ld</filename> subdirectory. Specifying the
130 <envar>LIB_PATH</envar> Makefile variable on the command line
131 allows us to override the default value of the temporary tools
132 and point it to the proper final path. The value of this variable
133 specifies the linker's default library search path. This
134 preparation is used in the next chapter.</para>
135 </listitem>
136 </varlistentry>
137
138 </variablelist>
139
140 </sect2>
141
142 <sect2 role="content">
143 <title/>
144
145 <para>Details on this package are located in
146 <xref linkend="contents-binutils" role="."/></para>
147
148 </sect2>
149
150</sect1>
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