| 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-materials-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 includes a list of packages that need to be downloaded
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| 14 | for building a basic Linux system. The listed version numbers correspond
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| 15 | to versions of the software that are known to work, and this book is based
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| 16 | on their use. We highly recommend not using newer versions because the
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| 17 | build commands for one version may not work with a newer version. The
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| 18 | newest package versions may also have problems that require work-arounds.
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| 19 | These work-arounds will be developed and stabilized in the development
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| 20 | version of the book.</para>
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| 21 |
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| 22 | <para>Download locations may not always be accessible. If a download
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| 23 | location has changed since this book was published, Google (<ulink
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| 24 | url="http://www.google.com/"/>) provides a useful search engine for
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| 25 | most packages. If this search is unsuccessful, try one of the
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| 26 | alternative means of downloading discussed at <ulink
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| 27 | url="&lfs-root;lfs/packages.html"/>.</para>
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| 28 |
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| 29 | <para>Downloaded packages and patches will need to be stored somewhere
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| 30 | that is conveniently available throughout the entire build. A working
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| 31 | directory is also required to unpack the sources and build them.
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| 32 | <filename class="directory">$LFS/sources</filename> can be used both
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| 33 | as the place to store the tarballs and patches and as a working
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| 34 | directory. By using this directory, the required elements will be
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| 35 | located on the CLFS partition and will be available during all stages
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| 36 | of the building process.</para>
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| 37 |
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| 38 | <para>To create this directory, execute, as user <systemitem
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| 39 | class="username">root</systemitem>, the following command before
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| 40 | starting the download session:</para>
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| 41 |
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| 42 | <screen><userinput>mkdir -v $LFS/sources</userinput></screen>
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| 43 |
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| 44 | <para>Make this directory writable and sticky. <quote>Sticky</quote>
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| 45 | means that even if multiple users have write permission on a
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| 46 | directory, only the owner of a file can delete the file within a
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| 47 | sticky directory. The following command will enable the write and
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| 48 | sticky modes:</para>
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| 49 |
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| 50 | <screen><userinput>chmod -v a+wt $LFS/sources</userinput></screen>
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| 51 |
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| 52 | </sect1>
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