1 | <sect1 id="ch05-introduction">
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2 | <title>Introduction</title>
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3 |
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4 | <para>In the following chapters we will install all the software that belongs
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5 | to a basic Linux system. After you're done with this and the next chapter,
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6 | you'll have a fully working Linux system. The remaining chapters deal
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7 | with creating the boot scripts, making the LFS system bootable and
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8 | setting up basic networking.</para>
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9 |
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10 | <para>The software in this chapter will be linked statically and will be
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11 | reinstalled in the next chapter and linked dynamically. The
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12 | reason for the static version first is that there is a chance that our
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13 | normal Linux system and the LFS system aren't using the same C
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14 | Library versions. If the programs in the first part are linked against
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15 | an older C library version, those programs might not work well on the
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16 | LFS system. Another reason is to resolve circular dependencies. An
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17 | example of such a dependency is that you need a compiler to install a
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18 | compiler, and you're going to need a shell to install a shell and that
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19 | copmiler.</para>
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20 |
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21 | <para>The key to learn what makes Linux tick is to know exactly what packages
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22 | are used for and why a user or the system needs them. Descriptions
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23 | of the package content are provided after the Installation subsection of each
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24 | package and in Appendix A as well.</para>
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25 |
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26 | <para>During the installation of various packages, you will more than likely see
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27 | all kinds of compiler warnings scrolling by on the screen. These are
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28 | normal and can be safely ignored. They are just that, warnings (mostly
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29 | about improper use of the C or C++ syntax, but not illegal use. It's just
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30 | that, often, C standards changed and packages still use the old standard
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31 | which is not a problem).</para>
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32 |
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33 | <para>Before we start, make sure the LFS environment variable is setup
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34 | properly if you decided to make use of it. Run the following:</para>
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35 |
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36 | <para><screen><userinput>echo $LFS</userinput></screen></para>
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37 |
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38 | <para>Check to make sure the output contains the correct directory to the LFS
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39 | partition's mount point (/mnt/lfs for example).</para>
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40 |
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41 | </sect1>
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42 |
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