[6370fa6] | 1 | <sect1 id="ch05-introduction">
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| 2 | <title>Introduction</title>
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| 3 |
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| 4 | <para>
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| 5 | In the following chapters we will install all the software that belongs to
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| 6 | a basic Linux system. After you're done with this chapter you have a
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| 7 | fully working Linux system. The remaining chapters deal with setting up
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| 8 | networking, creating the boot scripts and adding an entry to lilo.conf so
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| 9 | that you can boot your LFS system.
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| 10 | </para>
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| 11 |
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| 12 | <para>
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| 13 | The software in this chapter will be linked statically. These programs
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| 14 | will be re-installed in the next chapter and linked dynamically. The
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| 15 | reason for the static version first is that there is a chance that our
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| 16 | normal Linux system and your LFS system aren't using the same C
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| 17 | Library versions. If the programs in the first part are linked against
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| 18 | an older C library version, those programs might not work well on the
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| 19 | LFS system.
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| 20 | </para>
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| 21 |
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| 22 | <para>
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| 23 | The key to learn what makes Linux tick is to know exactly what packages
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| 24 | are used for and why you or the system needs them. Descriptions
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| 25 | of the package content are provided after the Installation subsection of each
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| 26 | package and in Appendix A as well.
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| 27 | </para>
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| 28 |
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| 29 | <para>
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| 30 | We're about to start with installing the first set of packages. These
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| 31 | packages will be, as previously explained, linked statically.
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| 32 | </para>
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| 33 |
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| 34 | <para>
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| 35 | During the installation of various packages you will most likely see
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| 36 | compiler warnings scrolling by on your screen. These are normal and can
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| 37 | be safely ignored. They are just that, warnings (mostly about improper
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| 38 | use of the C or C++ syntax, but not illegal use. It's just that often C
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| 39 | standards changed and packages still use the old standard which is not a
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| 40 | problem).
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| 41 | </para>
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| 42 |
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| 43 | <para>
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| 44 | Before we start, make sure you have the LFS environment variable setup
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| 45 | if you plan on using it, by running the following command:
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| 46 | </para>
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| 47 |
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| 48 | <blockquote><literallayout>
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| 49 |
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| 50 | <userinput>echo $LFS</userinput>
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| 51 |
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| 52 | </literallayout></blockquote>
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| 53 |
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| 54 | </sect1>
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| 55 |
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