source: BOOK/boot/common/settingenviron.xml@ 6a7c16aa

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 6a7c16aa was e3a1e522, checked in by Jim Gifford <clfs@…>, 19 years ago

r981@server (orig r979): jim | 2005-12-30 10:11:32 -0800

r1226@server: cstaub | 2005-12-30 08:35:37 -0800
Updated package deps, removed explanation of cross-compiling from final-system binutils, and removed note about GRUB's testsuite failure


  • Property mode set to 100644
File size: 1.6 KB
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[3f8be484]1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-boot-settingenviron">
9 <?dbhtml filename="settingenvironment.html"?>
10
11 <title>Setting Up the Environment</title>
12
[6d4c909]13 <para>The new instance of the shell that will start when the system is booted is a <emphasis>login</emphasis>
14 shell, which will read <filename>.bash_profile</filename> file. Create the
[2c6a9d5]15 <filename>.bash_profile</filename> file now:</para>
[3f8be484]16
[2c6a9d5]17<screen><userinput>cat &gt; ${LFS}/root/.bash_profile &lt;&lt; "EOF"
[3f8be484]18<literal>PS1='\u:\w\$ '
19LC_ALL=POSIX
20PATH=/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin:/tools/sbin
21export LC_ALL PATH PS1</literal>
22EOF</userinput></screen>
23
[2c6a9d5]24 <para>The <envar>LC_ALL</envar> variable controls the localization of
25 certain programs, making their messages follow the conventions of a
[56a7e3f]26 specified country.
[2c6a9d5]27 Setting <envar>LC_ALL</envar> to <quote>POSIX</quote> or <quote>C</quote>
28 (the two are equivalent) ensures that everything will work as expected
[e3a1e522]29 on your temporary system.</para>
[3f8be484]30
[2c6a9d5]31 <para>By putting <filename class="directory">/tools/bin</filename> at
32 the end of the standard <envar>PATH</envar>, all the programs installed in
[134ba96]33 <xref linkend="chapter-temp-system"/> are only picked up by the shell
[2c6a9d5]34 if they have not yet been built on the target system. This configuration
35 forces use of the final system binaries as they are built over the
[e3a1e522]36 temp-system, minimising the chance of final system programs being built
[134ba96]37 against the temp-system.</para>
[3f8be484]38
39</sect1>
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