| 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-temp-system-introduction">
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| 9 | <?dbhtml filename="introduction.html"?>
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| 10 |
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| 11 | <title>Introduction</title>
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| 12 |
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| 13 | <para>This chapter shows how to compile and install a minimal Linux
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| 14 | system. This system will contain just enough tools to start
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| 15 | constructing the final LFS system in <xref
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| 16 | linkend="chapter-building-system"/> and allow a working environment
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| 17 | with more user convenience than a minimum environment would.</para>
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| 18 |
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| 19 | <para>There are two steps in building this minimal system. The first
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| 20 | step is to build a new and host-independent toolchain (compiler,
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| 21 | assembler, linker, libraries, and a few useful utilities). The second
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| 22 | step uses this toolchain to build the other essential tools.</para>
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| 23 |
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| 24 | <para>The files compiled in this chapter will be installed under the
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| 25 | <filename class="directory">$LFS/tools</filename> directory to keep
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| 26 | them separate from the files installed in <xref
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| 27 | linkend="chapter-building-system"/> and the host production directories.
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| 28 | Since the packages compiled here are temporary, we do not want them to
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| 29 | pollute the soon-to-be LFS system.</para>
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| 30 |
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| 31 | <para>Check one last time that the <envar>LFS</envar> environment
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| 32 | variable is set up properly:</para>
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| 33 |
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| 34 | <screen><userinput>echo $LFS</userinput></screen>
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| 35 |
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| 36 | <para>Make sure the output shows the path to the LFS partition's mount
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| 37 | point, which is <filename class="directory">/mnt/lfs</filename>, using
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| 38 | our example.</para>
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| 39 |
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| 40 | <para>During this section of the build you will see several WARNING
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| 41 | messages like the one below. It is safe to ignore these messages.</para>
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| 42 |
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| 43 | <blockquote><screen><computeroutput>configure: WARNING: If you wanted to set the --build type, don't use --host.
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| 44 | If a cross compiler is detected then cross compile mode will be used.</computeroutput></screen></blockquote>
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| 45 |
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| 46 |
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| 47 | </sect1>
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