source: chapter04/creatingminlayout.xml@ 96dda27a

xry111/clfs-ng
Last change on this file since 96dda27a was 96dda27a, checked in by Xi Ruoyao <xry111@…>, 9 months ago

cross-ng: chapter 4: stop assuming target to be "uname -m", and...

create /boot in $LFS.

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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-creatingminlayout">
9 <?dbhtml filename="creatingminlayout.html"?>
10
11 <title>Creating a limited directory layout in LFS filesystem</title>
12
13 <para>The first task performed in the LFS partition is to create a limited
14 directory hierarchy so that programs compiled in <xref
15 linkend="chapter-temporary-tools"/> (as well as glibc and libstdc++ in <xref
16 linkend="chapter-cross-tools"/>) may be installed in their final
17 location. This is needed so that those temporary programs be overwritten
18 when rebuilding them in <xref linkend="chapter-building-system"/>.</para>
19
20 <para>Create the required directory layout by running the following as
21 <systemitem class="username">root</systemitem>:</para>
22
23<screen><userinput>mkdir -pv $LFS/{boot,etc,var} $LFS/usr/{bin,lib,sbin}
24
25for i in bin lib sbin; do
26 ln -sv usr/$i $LFS/$i
27done</userinput></screen>
28
29 <para>Some targets (for example, x86_64) needs
30 <filename class="directory">/lib64</filename> directory. If you are
31 building for one of those targets, create it as
32 <systemitem class="username">root</systemitem>:</para>
33
34<screen><userinput>mkdir -pv $LFS/lib64</userinput></screen>
35
36 <para>Programs in <xref linkend="chapter-temporary-tools"/> will be compiled
37 with a cross-compiler (more details in section <xref
38 linkend="ch-tools-toolchaintechnotes"/>). In order to separate this
39 cross-compiler from the other programs, it will be installed in a special
40 directory. Create this directory with:</para>
41
42<screen><userinput>mkdir -pv $LFS/tools</userinput></screen>
43
44</sect1>
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