[bf8c11f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-boot-settingenviron"> |
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| 9 | <?dbhtml filename="settingenvironment.html"?> |
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| 10 | |
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| 11 | <title>Setting Up the Environment</title> |
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| 12 | |
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[3c2fa25] | 13 | <para>The new instance of the shell is a <emphasis>non-login</emphasis> |
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| 14 | shell, will read <filename>.bash_profile</filename> file. Create the |
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| 15 | <filename>.bash_profile</filename> file now:</para> |
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[bf8c11f] | 16 | |
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[3c2fa25] | 17 | <screen><userinput>cat > ${LFS}/root/.bash_profile << "EOF" |
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[bf8c11f] | 18 | <literal>PS1='\u:\w\$ ' |
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| 19 | LC_ALL=POSIX |
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| 20 | PATH=/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin:/tools/sbin |
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| 21 | export LC_ALL PATH PS1</literal> |
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| 22 | EOF</userinput></screen> |
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| 23 | |
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[3c2fa25] | 24 | <para>The <envar>LC_ALL</envar> variable controls the localization of |
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| 25 | certain programs, making their messages follow the conventions of a |
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[351f7ef0] | 26 | specified country. |
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[3c2fa25] | 27 | Setting <envar>LC_ALL</envar> to <quote>POSIX</quote> or <quote>C</quote> |
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| 28 | (the two are equivalent) ensures that everything will work as expected |
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[351f7ef0] | 29 | on your tempoary system.</para> |
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[bf8c11f] | 30 | |
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[3c2fa25] | 31 | <para>By putting <filename class="directory">/tools/bin</filename> at |
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| 32 | the end of the standard <envar>PATH</envar>, all the programs installed in |
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[5be6331] | 33 | <xref linkend="chapter-temp-system"/> are only picked up by the shell |
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[3c2fa25] | 34 | if they have not yet been built on the target system. This configuration |
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| 35 | forces use of the final system binaries as they are built over the |
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[5be6331] | 36 | temp-system, minimising the chance final system programs being built |
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| 37 | against the temp-system.</para> |
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[bf8c11f] | 38 | |
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| 39 | </sect1> |
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