| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE appendix PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 |   "http://www.oasis-open.org/docbook/xml/4.5/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 | <appendix id="appendixd-common" xreflabel="Appendix D">
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| 9 |   <?dbhtml dir="appendixd"?>
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| 10 |   <?dbhtml filename="rationale-common.html"?>
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| 11 | 
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| 12 |   <title>Package Rationale</title>
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| 13 | 
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| 14 |   <para>CLFS includes many packages, a number of which might not necessarily
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| 15 |   be required for a "minimal" system, but still considered very useful. The
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| 16 |   purpose of this page is to list the reasoning for each package's inclusion
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| 17 |   in the book.</para>
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| 18 | 
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| 19 |   <itemizedlist>
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| 20 | 
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| 21 |     <listitem>
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| 22 |       <para>Autoconf</para>
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| 23 |       <para>The Autoconf package contains programs for producing shell scripts
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| 24 |       that can automatically configure source code. This is useful for software
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| 25 |       developers, as well as anyone who wants to install packages that don't
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| 26 |       come with a configure script, such as some of the packages in CBLFS.</para>
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| 27 |     </listitem>
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| 28 | 
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| 29 |     <listitem>
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| 30 |       <para>Automake</para>
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| 31 |       <para>The Automake package contains programs for generating Makefiles for use with Autoconf. This can be useful to software developers.</para>
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| 32 |     </listitem>
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| 33 | 
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| 34 |     <listitem>
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| 35 |       <para>Bash</para>
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| 36 |       <para>This package contains the Bourne-Again SHell. A shell is an
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| 37 |       important component of a Linux system, as there must be some way of
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| 38 |       allowing the users to enter commands.</para>
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| 39 |     </listitem>
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| 40 | 
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| 41 |     <listitem>
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| 42 |       <para>Binutils</para>
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| 43 |       <para>This package contains programs for handling object files. The
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| 44 |       programs in this package are needed for compiling most of the packages
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| 45 |       in CLFS.</para>
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| 46 |     </listitem>
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| 47 | 
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| 48 |     <listitem>
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| 49 |       <para>Bison</para>
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| 50 |       <para>This package contains programs that are required by several packages in CLFS.</para>
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| 51 |     </listitem>
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| 52 | 
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| 53 |     <listitem>
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| 54 |       <para>Bzip2</para>
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| 55 |       <para>The programs in this package are useful for compressing files to
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| 56 |       reduce size. They are also needed to uncompress tarballs for many
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| 57 |       CLFS packages.</para>
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| 58 |     </listitem>
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| 59 | 
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| 60 |     <listitem>
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| 61 |       <para>CLFS-Bootscripts</para>
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| 62 |       <para>This package contains a number of scripts that run at boottime,
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| 63 |       performing essential tasks such as mounting/checking filesystems and
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| 64 |       starting the network interface.</para>
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| 65 |     </listitem>
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| 66 | 
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| 67 |     <listitem>
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| 68 |       <para>CLooG-ISL</para>
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| 69 |       <para>This package is used by GCC.</para>
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| 70 |     </listitem>
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| 71 | 
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| 72 |     <listitem>
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| 73 |       <para>Coreutils</para>
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| 74 |       <para>This package contains many basic command-line file-management
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| 75 |       tools, required for installation of every package in CLFS.</para>
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| 76 |     </listitem>
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| 77 | 
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| 78 |     <listitem>
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| 79 |       <para>DejaGNU</para>
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| 80 |       <para>This package is needed for the testsuites of several packages,
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| 81 |       especially GCC and Binutils.</para>
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| 82 |     </listitem>
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| 83 | 
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| 84 |     <listitem>
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| 85 |       <para>DHCPCD</para>
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| 86 |       <para>This package allows for automatic configuration of network
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| 87 |       interfaces from a DHCP server. It (or some other package providing a
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| 88 |       DHCP client is needed to connect to a DHCP server.</para>
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| 89 |     </listitem>
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| 90 | 
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| 91 |     <listitem>
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| 92 |       <para>Diffutils</para>
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| 93 |       <para>This package contains programs to compare files, and can also
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| 94 |       be used to create patches. It is required by the installation procedures of
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| 95 |       many CLFS packages.</para>
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| 96 |     </listitem>
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| 97 | 
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| 98 |     <listitem>
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| 99 |       <para>EGLIBC</para>
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| 100 |       <para>Any dynamically-linked C program (which is nearly everything
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| 101 |       in CLFS) needs a C library to compile and run.</para>
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| 102 |     </listitem>
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| 103 | 
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| 104 |     <listitem>
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| 105 |       <para>Expect</para>
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| 106 |       <para>This package is needed for the testsuites for several packages.</para>
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| 107 |     </listitem>
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| 108 | 
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| 109 |     <listitem>
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| 110 |       <para>E2fsprogs</para>
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| 111 |       <para>The programs in this package are used for the creation and
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| 112 |       maintenance of ext2/3/4 filesystems.</para>
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| 113 |     </listitem>
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| 114 | 
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| 115 |     <listitem>
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| 116 |       <para>File</para>
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| 117 |       <para>This package contains a program that determines the type of
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| 118 |       a given file. It is needed by some CLFS packages.</para>
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| 119 |     </listitem>
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| 120 | 
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| 121 |     <listitem>
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| 122 |       <para>Findutils</para>
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| 123 |       <para>This package contains programs for finding files based on certain
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| 124 |       criteria, and optionally performing commands on them. Used by the
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| 125 |       installation procedures of many CLFS packages.</para>
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| 126 |     </listitem>
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| 127 | 
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| 128 |     <listitem>
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| 129 |       <para>Flex</para>
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| 130 |       <para>This package contains a tool for generating text scanners. It is
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| 131 |       used by multiple packages in CLFS</para>
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| 132 |     </listitem>
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| 133 | 
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| 134 |     <listitem>
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| 135 |       <para>Gawk</para>
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| 136 |       <para>This package contains programs for manipulating text files, using
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| 137 |       the AWK language. It is used by the installation procedures of many
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| 138 |       packages in CLFS.</para>
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| 139 |     </listitem>
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| 140 | 
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| 141 |     <listitem>
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| 142 |       <para>Gcc</para>
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| 143 |       <para>This package contains a C compiler, which is required to compile
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| 144 |       most of the packages in CLFS.</para>
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| 145 |     </listitem>
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| 146 | 
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| 147 |     <listitem>
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| 148 |       <para>Gettext</para>
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| 149 |       <para>A tool that allows programmers to easily implement i18n
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| 150 |       (internationalization) in their programs. It is a required dependency
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| 151 |       for a number of packages</para>
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| 152 |     </listitem>
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| 153 | 
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| 154 |     <listitem>
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| 155 |       <para>GMP</para>
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| 156 |       <para>This package is required by GCC.</para>
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| 157 |     </listitem>
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| 158 | 
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| 159 |     <listitem>
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| 160 |       <para>Grep</para>
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| 161 |       <para>This package contains programs for searching for text in files.
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| 162 |       These programs are required by many packages in CLFS.</para>
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| 163 |     </listitem>
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| 164 | 
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| 165 |     <listitem>
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| 166 |       <para>Groff</para>
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| 167 |       <para>This package is required by Man.</para>
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| 168 |     </listitem>
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| 169 | 
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| 170 |     <listitem>
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| 171 |       <para>Gzip</para>
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| 172 |       <para>Useful for compressing files to reduce size. It is also needed to
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| 173 |       uncompress tarballs for many CLFS packages</para>
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| 174 |     </listitem>
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| 175 | 
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| 176 |     <listitem>
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| 177 |       <para>Iana-Etc</para>
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| 178 |       <para>This package provides the <filename>/etc/services</filename> and
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| 179 |       <filename>/etc/protocols</filename> files. These files map port names to
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| 180 |       port numbers as well as protocol names to their corresponding numbers.
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| 181 |       These files are essential for many network based programs to work properly.</para>
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| 182 |     </listitem>
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| 183 | 
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| 184 |     <listitem>
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| 185 |       <para>IProute2</para>
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| 186 |       <para>This package contains programs for administering network interfaces.</para>
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| 187 |     </listitem>
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| 188 | 
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| 189 |     <listitem>
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| 190 |       <para>IPutils</para>
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| 191 |       <para>This package contains several basic network-management tools.</para>
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| 192 |     </listitem>
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| 193 | 
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| 194 |     <listitem>
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| 195 |       <para>Kbd</para>
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| 196 |       <para>Contains keytable files and keyboard utilities compatible with the
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| 197 |       Linux kernel.</para>
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| 198 |     </listitem>
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| 199 | 
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| 200 |     <listitem>
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| 201 |       <para>Kmod</para>
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| 202 |       <para>This package contains programs that assist in loading an unloading
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| 203 |       kernel modules.</para>
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| 204 |     </listitem>
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| 205 | 
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| 206 |     <listitem>
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| 207 |       <para>Less</para>
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| 208 |       <para>A program that lets you view text files one page at a time.
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| 209 |       Used by Man for displaying manpages.</para>
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| 210 |     </listitem>
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| 211 | 
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| 212 |     <listitem>
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| 213 |       <para>Libee</para>
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| 214 |       <para>This package contains an event expression library. It is needed by
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| 215 |       Rsyslog.</para>
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| 216 |     </listitem>
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| 217 | 
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| 218 |     <listitem>
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| 219 |       <para>Libestr</para>
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| 220 |       <para>This package contains a library for string essentials. It is needed
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| 221 |       by Rsyslog.</para>
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| 222 |     </listitem>
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| 223 | 
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| 224 |     <listitem>
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| 225 |       <para>Libtool</para>
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| 226 |       <para>The Libtool package contains the GNU generic library support
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| 227 |       script. It is used by some CLFS packages.</para>
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| 228 |     </listitem>
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| 229 | 
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| 230 |     <listitem>
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| 231 |       <para>Linux-Headers</para>
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| 232 |       <para>This package consists of santized headers from the Linux Kernel.
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| 233 |       These headers are required for Glibc to compile.</para>
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| 234 |     </listitem>
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| 235 | 
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| 236 |     <listitem>
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| 237 |       <para>Linux Kernel</para>
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| 238 |       <para>The Linux operating system.</para>
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| 239 |     </listitem>
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| 240 | 
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| 241 |     <listitem>
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| 242 |       <para>M4</para>
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| 243 |       <para>This package contains a macro processor. It is required by several
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| 244 |       CLFS packages, including Bison.</para>
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| 245 |     </listitem>
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| 246 | 
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| 247 |     <listitem>
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| 248 |       <para>Make</para>
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| 249 |       <para>Required for installation of most CLFS packages</para>
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| 250 |     </listitem>
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| 251 | 
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| 252 |     <listitem>
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| 253 |       <para>Man</para>
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| 254 |       <para>Used for viewing manpages</para>
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| 255 |     </listitem>
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| 256 | 
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| 257 |     <listitem>
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| 258 |       <para>Man-Pages</para>
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| 259 |       <para>A number of useful manpages, not supplied by other packages</para>
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| 260 |     </listitem>
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| 261 | 
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| 262 |     <listitem>
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| 263 |       <para>MPC</para>
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| 264 |       <para>This package is required by GCC.</para>
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| 265 |     </listitem>
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| 266 | 
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| 267 |     <listitem>
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| 268 |       <para>MPFR</para>
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| 269 |       <para>This package is required by GCC.</para>
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| 270 |     </listitem>
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| 271 | 
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| 272 |     <listitem>
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| 273 |       <para>Ncurses</para>
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| 274 |       <para>Needed by several packages in CLFS, such as Vim, Bash, and Less</para>
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| 275 |     </listitem>
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| 276 | 
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| 277 |     <listitem>
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| 278 |       <para>Patch</para>
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| 279 |       <para>Used for applying patches in several CLFS packages</para>
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| 280 |     </listitem>
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| 281 | 
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| 282 |     <listitem>
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| 283 |       <para>Perl</para>
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| 284 |       <para>The Perl package contains the Practical Extraction and Report
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| 285 |       Language. It is required by several CLFS packages.</para>
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| 286 |     </listitem>
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| 287 | 
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| 288 |     <listitem>
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| 289 |       <para>Pkg-config</para>
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| 290 |       <para>Needed by E2fsprogs</para>
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| 291 |     </listitem>
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| 292 | 
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| 293 |     <listitem>
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| 294 |       <para>Procps</para>
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| 295 |       <para>Provides a number of small, useful utilities that give information
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| 296 |       about the <filename class="directory">/proc</filename> filesystem.</para>
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| 297 |     </listitem>
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| 298 | 
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| 299 |     <listitem>
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| 300 |       <para>Psmisc</para>
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| 301 |       <para>Provides more utilties that give information about the
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| 302 |       <filename class="directory">/proc</filename> filesystem.</para>
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| 303 |     </listitem>
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| 304 | 
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| 305 |     <listitem>
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| 306 |       <para>Readline</para>
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| 307 |       <para>The Readline library provides a set of functions for use by
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| 308 |       applications that allow users to edit command lines as they are typed
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| 309 |       in. This is essential for input in programs like <command>bash</command>
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| 310 |       to work properly.</para>
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| 311 |     </listitem>
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| 312 | 
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| 313 |     <listitem>
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| 314 |       <para>Rsyslog</para>
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| 315 |       <para>Rsyslog is an enhanced multi-threaded syslogd that supports
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| 316 |       multiple backends with very little dependencies. It provides a program
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| 317 |       that logs various system events into files in
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| 318 |       <filename class="directory">/var/log</filename>.</para>
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| 319 |     </listitem>
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| 320 | 
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| 321 |     <listitem>
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| 322 |       <para>Sed</para>
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| 323 |       <para>This package contains a stream editor. It is used in the
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| 324 |       installation procedures of most CLFS packages.</para>
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| 325 |     </listitem>
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| 326 | 
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| 327 |     <listitem>
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| 328 |       <para>Shadow</para>
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| 329 |       <para>This package contains programs that assist in the administration
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| 330 |       of users and groups, and passwords.</para>
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| 331 |     </listitem>
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| 332 | 
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| 333 |     <listitem>
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| 334 |       <para>Sysvinit</para>
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| 335 |       <para>Sysvinit is the init daemon that the clfs-bootscripts were written
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| 336 |       to work with.</para>
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| 337 |     </listitem>
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| 338 | 
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| 339 |     <listitem>
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| 340 |       <para>Tar</para>
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| 341 |       <para>Required to unpack the tar archives in which all CLFS packages
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| 342 |       are distributed</para>
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| 343 |     </listitem>
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| 344 | 
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| 345 |     <listitem>
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| 346 |       <para>Tcl</para>
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| 347 |       <para>Needed for the testsuites of several packages</para>
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| 348 |     </listitem>
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| 349 | 
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| 350 |     <listitem>
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| 351 |       <para>Texinfo</para>
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| 352 |       <para>This package contains programs for viewing, installing and
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| 353 |       converting info pages. It is used in the installation procedures
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| 354 |       of many CLFS packages.</para>
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| 355 |     </listitem>
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| 356 | 
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| 357 |     <listitem>
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| 358 |       <para>Udev</para>
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| 359 |       <para>The Udev package contains programs for dynamic creation of device
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| 360 |       nodes.</para>
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| 361 |     </listitem>
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| 362 | 
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| 363 |     <listitem>
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| 364 |       <para>Util-linux</para>
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| 365 |       <para>The Util-linux package contains miscellaneous utility programs.
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| 366 |       Among them are utilities for handling file systems, consoles,
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| 367 |       partitions, and messages. It also includes libraries that are required
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| 368 |       by E2fsprogs.</para>
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| 369 |     </listitem>
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| 370 | 
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| 371 |     <listitem>
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| 372 |       <para>Vim</para>
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| 373 |       <para>The Vim package contains a text editor. Users may substitute Nano,
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| 374 |       Joe, Emacs, or whatever other editor they prefer.</para>
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| 375 |     </listitem>
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| 376 | 
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| 377 |     <listitem>
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| 378 |       <para>XZ-Utils</para>
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| 379 |       <para>Useful for compressing files to reduce size. Also needed to
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| 380 |       uncompress tarballs for many CLFS packages</para>
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| 381 |     </listitem>
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| 382 | 
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| 383 |     <listitem>
 | 
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| 384 |       <para>Zlib</para>
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| 385 |       <para>The Zlib package contains compression and decompression routines
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| 386 |       used by some programs.</para>
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| 387 |     </listitem>
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| 388 | 
 | 
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| 389 |   </itemizedlist>
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| 390 | 
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| 391 | </appendix>
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