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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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[ace4d89] | 21 | <listitem> |
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| 22 | <para>ACL</para> |
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| 23 | <para>The ACL package allows usage and setting of POSIX Access Control |
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| 24 | Lists. It can be used by several other packages in CLFS, such as Coreutils |
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[24213983] | 25 | and Systemd.</para> |
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[ace4d89] | 26 | </listitem> |
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| 27 | |
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| 28 | <listitem> |
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| 29 | <para>Attr</para> |
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| 30 | <para>Attr allows setting and viewing extended attributes of filesystem |
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[8fead24] | 31 | objects. It is required by Systemd.</para> |
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[ace4d89] | 32 | </listitem> |
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| 33 | |
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[11099cf] | 34 | <listitem> |
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| 35 | <para>Autoconf</para> |
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| 36 | <para>The Autoconf package contains programs for producing shell scripts |
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[532a2c4] | 37 | that can automatically configure source code. This is useful for software |
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| 38 | developers, as well as anyone who wants to install packages that don't |
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| 39 | come with a configure script, such as some of the packages in CBLFS.</para> |
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[11099cf] | 40 | </listitem> |
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| 41 | |
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| 42 | <listitem> |
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| 43 | <para>Automake</para> |
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[8fead24] | 44 | <para>The Automake package contains programs for generating Makefiles |
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| 45 | for use with Autoconf. This can be useful to software developers.</para> |
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[11099cf] | 46 | </listitem> |
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| 47 | |
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| 48 | <listitem> |
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| 49 | <para>Bash</para> |
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[532a2c4] | 50 | <para>This package contains the Bourne-Again SHell. A shell is an |
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| 51 | important component of a Linux system, as there must be some way of |
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| 52 | allowing the users to enter commands.</para> |
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[11099cf] | 53 | </listitem> |
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| 54 | |
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[b521a6d] | 55 | <listitem> |
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| 56 | <para>Bc</para> |
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| 57 | <para>This package contains a precision calculator. The Linux kernel |
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| 58 | uses Bc to render the timeconst header.</para> |
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| 59 | </listitem> |
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| 60 | |
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| 61 | |
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[11099cf] | 62 | <listitem> |
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| 63 | <para>Binutils</para> |
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| 64 | <para>This package contains programs for handling object files. The |
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| 65 | programs in this package are needed for compiling most of the packages |
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| 66 | in CLFS.</para> |
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| 67 | </listitem> |
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| 68 | |
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| 69 | <listitem> |
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| 70 | <para>Bison</para> |
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[8fead24] | 71 | <para>This package contains programs that are required by several |
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| 72 | packages in CLFS.</para> |
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[11099cf] | 73 | </listitem> |
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| 74 | |
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| 75 | <listitem> |
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| 76 | <para>Bzip2</para> |
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| 77 | <para>The programs in this package are useful for compressing files to |
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| 78 | reduce size. They are also needed to uncompress tarballs for many |
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| 79 | CLFS packages.</para> |
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| 80 | </listitem> |
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| 81 | |
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| 82 | <listitem> |
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[80a3b8a] | 83 | <para>CLFS-Boot-scripts</para> |
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[11099cf] | 84 | <para>This package contains a number of scripts that run at boottime, |
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| 85 | performing essential tasks such as mounting/checking filesystems and |
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| 86 | starting the network interface.</para> |
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| 87 | </listitem> |
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| 88 | |
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[3540f2d] | 89 | <listitem> |
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| 90 | <para>Check</para> |
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[ace4d89] | 91 | <para>This package contains a test harness for other programs. It is |
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[1b48cb6] | 92 | used for some packages' test suites.</para> |
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[3540f2d] | 93 | </listitem> |
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| 94 | |
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[11099cf] | 95 | <listitem> |
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[ace4d89] | 96 | <para>CLooG</para> |
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[8fead24] | 97 | <para>This package is used by GCC to enable its Graphite loop generation |
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| 98 | code.</para> |
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[11099cf] | 99 | </listitem> |
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| 100 | |
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| 101 | <listitem> |
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| 102 | <para>Coreutils</para> |
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| 103 | <para>This package contains many basic command-line file-management |
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| 104 | tools, required for installation of every package in CLFS.</para> |
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| 105 | </listitem> |
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| 106 | |
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[ace4d89] | 107 | <listitem> |
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| 108 | <para>D-Bus</para> |
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| 109 | <para>D-Bus is a message bus system, which allows applications to |
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[8fead24] | 110 | communicate to each other. It is used by Systemd.</para> |
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[ace4d89] | 111 | </listitem> |
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| 112 | |
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[11099cf] | 113 | <listitem> |
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| 114 | <para>DejaGNU</para> |
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[1b48cb6] | 115 | <para>This package is needed for the test suites of several packages, |
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[532a2c4] | 116 | especially GCC and Binutils.</para> |
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[11099cf] | 117 | </listitem> |
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| 118 | |
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| 119 | <listitem> |
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| 120 | <para>DHCPCD</para> |
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| 121 | <para>This package allows for automatic configuration of network |
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[532a2c4] | 122 | interfaces from a DHCP server. It (or some other package providing a |
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| 123 | DHCP client is needed to connect to a DHCP server.</para> |
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[11099cf] | 124 | </listitem> |
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| 125 | |
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| 126 | <listitem> |
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| 127 | <para>Diffutils</para> |
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| 128 | <para>This package contains programs to compare files, and can also |
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[8fead24] | 129 | be used to create patches. It is required by the installation procedures |
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| 130 | of many CLFS packages, and used by many packages' test suites.</para> |
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[11099cf] | 131 | </listitem> |
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| 132 | |
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[ace4d89] | 133 | <listitem> |
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| 134 | <para>Eudev</para> |
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| 135 | <para>This is a package that allows for dynamic creation of device nodes. |
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[24213983] | 136 | It is a fork of Udev, which is now part of Systemd. It is still |
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| 137 | used for the "Boot" method in the temp-system, as Systemd is not needed |
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[ace4d89] | 138 | there.</para> |
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| 139 | </listitem> |
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| 140 | |
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[11099cf] | 141 | <listitem> |
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| 142 | <para>Expect</para> |
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[1b48cb6] | 143 | <para>This package is needed for the test suites for several packages.</para> |
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[11099cf] | 144 | </listitem> |
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| 145 | |
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| 146 | <listitem> |
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| 147 | <para>E2fsprogs</para> |
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| 148 | <para>The programs in this package are used for the creation and |
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| 149 | maintenance of ext2/3/4 filesystems.</para> |
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| 150 | </listitem> |
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| 151 | |
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| 152 | <listitem> |
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| 153 | <para>File</para> |
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| 154 | <para>This package contains a program that determines the type of |
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| 155 | a given file. It is needed by some CLFS packages.</para> |
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| 156 | </listitem> |
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| 157 | |
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| 158 | <listitem> |
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| 159 | <para>Findutils</para> |
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| 160 | <para>This package contains programs for finding files based on certain |
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[8fead24] | 161 | criteria, and optionally performing commands on them. These programs |
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| 162 | are used by the installation procedures of many CLFS packages.</para> |
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[11099cf] | 163 | </listitem> |
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| 164 | |
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| 165 | <listitem> |
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| 166 | <para>Flex</para> |
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| 167 | <para>This package contains a tool for generating text scanners. It is |
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| 168 | used by multiple packages in CLFS</para> |
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| 169 | </listitem> |
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| 170 | |
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| 171 | <listitem> |
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| 172 | <para>Gawk</para> |
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| 173 | <para>This package contains programs for manipulating text files, using |
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| 174 | the AWK language. It is used by the installation procedures of many |
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| 175 | packages in CLFS.</para> |
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| 176 | </listitem> |
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| 177 | |
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| 178 | <listitem> |
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| 179 | <para>Gcc</para> |
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| 180 | <para>This package contains a C compiler, which is required to compile |
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| 181 | most of the packages in CLFS.</para> |
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| 182 | </listitem> |
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| 183 | |
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[dc5ab7c] | 184 | <listitem> |
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| 185 | <para>GDBM</para> |
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[8fead24] | 186 | <para>This package contains the GNU Database Manager library. Man-DB |
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| 187 | requires either GDBM or Berkeley DB, though it prefers GDBM.</para> |
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[dc5ab7c] | 188 | </listitem> |
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| 189 | |
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[11099cf] | 190 | <listitem> |
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| 191 | <para>Gettext</para> |
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[532a2c4] | 192 | <para>A tool that allows programmers to easily implement i18n |
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| 193 | (internationalization) in their programs. It is a required dependency |
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| 194 | for a number of packages</para> |
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[11099cf] | 195 | </listitem> |
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| 196 | |
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[8047796] | 197 | <listitem> |
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| 198 | <para>Glibc</para> |
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| 199 | <para>Any dynamically-linked C program (nearly every package in CLFS |
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| 200 | has these) needs a C library to compile and run.</para> |
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| 201 | </listitem> |
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| 202 | |
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[11099cf] | 203 | <listitem> |
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| 204 | <para>GMP</para> |
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[532a2c4] | 205 | <para>This package is required by GCC.</para> |
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[11099cf] | 206 | </listitem> |
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| 207 | |
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[ace4d89] | 208 | <listitem> |
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| 209 | <para>Gperf</para> |
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[24213983] | 210 | <para>This package is required by Systemd.</para> |
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[ace4d89] | 211 | </listitem> |
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| 212 | |
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[11099cf] | 213 | <listitem> |
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| 214 | <para>Grep</para> |
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[532a2c4] | 215 | <para>This package contains programs for searching for text in files. |
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| 216 | These programs are required by many packages in CLFS.</para> |
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[11099cf] | 217 | </listitem> |
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| 218 | |
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| 219 | <listitem> |
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| 220 | <para>Groff</para> |
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[8fead24] | 221 | <para>This package is required by Man-DB.</para> |
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[11099cf] | 222 | </listitem> |
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| 223 | |
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| 224 | <listitem> |
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| 225 | <para>Gzip</para> |
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[532a2c4] | 226 | <para>Useful for compressing files to reduce size. It is also needed to |
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[11099cf] | 227 | uncompress tarballs for many 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>Iana-Etc</para> |
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| 232 | <para>This package provides the <filename>/etc/services</filename> and |
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| 233 | <filename>/etc/protocols</filename> files. These files map port names to |
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| 234 | port numbers as well as protocol names to their corresponding numbers. |
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| 235 | These files are essential for many network based programs to work properly.</para> |
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| 236 | </listitem> |
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| 237 | |
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[ace4d89] | 238 | <listitem> |
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| 239 | <para>Intltool</para> |
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[24213983] | 240 | <para>This package is required by Systemd.</para> |
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[ace4d89] | 241 | </listitem> |
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| 242 | |
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[11099cf] | 243 | <listitem> |
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| 244 | <para>IProute2</para> |
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[8fead24] | 245 | <para>This package contains programs for administering network |
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| 246 | interfaces.</para> |
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[11099cf] | 247 | </listitem> |
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| 248 | |
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| 249 | <listitem> |
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| 250 | <para>IPutils</para> |
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| 251 | <para>This package contains several basic network-management tools.</para> |
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| 252 | </listitem> |
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| 253 | |
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[5dcc246] | 254 | <listitem> |
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| 255 | <para>ISL</para> |
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| 256 | <para>This package is required by CLooG.</para> |
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| 257 | </listitem> |
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| 258 | |
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[11099cf] | 259 | <listitem> |
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| 260 | <para>Kbd</para> |
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| 261 | <para>Contains keytable files and keyboard utilities compatible with the |
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[8fead24] | 262 | Linux kernel. These can be used to change the display font and keyboard |
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| 263 | layout.</para> |
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[11099cf] | 264 | </listitem> |
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| 265 | |
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[532a2c4] | 266 | <listitem> |
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| 267 | <para>Kmod</para> |
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| 268 | <para>This package contains programs that assist in loading an unloading |
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| 269 | kernel modules.</para> |
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| 270 | </listitem> |
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| 271 | |
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[11099cf] | 272 | <listitem> |
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| 273 | <para>Less</para> |
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| 274 | <para>A program that lets you view text files one page at a time. |
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[8fead24] | 275 | It is also used by Man-DB for displaying manpages.</para> |
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[11099cf] | 276 | </listitem> |
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| 277 | |
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[ace4d89] | 278 | <listitem> |
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| 279 | <para>Libcap</para> |
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[24213983] | 280 | <para>This package is required by Systemd.</para> |
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[ace4d89] | 281 | </listitem> |
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| 282 | |
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[d22ebb4] | 283 | <listitem> |
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| 284 | <para>Libpipeline</para> |
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| 285 | <para>The Libpipeline package contains a library for manipulating |
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| 286 | pipelines of subprocesses in a flexible and convenient way. It is |
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| 287 | required by the Man-DB package.</para> |
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| 288 | </listitem> |
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| 289 | |
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[11099cf] | 290 | <listitem> |
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| 291 | <para>Libtool</para> |
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| 292 | <para>The Libtool package contains the GNU generic library support |
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| 293 | script. It is used by some CLFS packages.</para> |
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| 294 | </listitem> |
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| 295 | |
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| 296 | <listitem> |
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[be1c363] | 297 | <para>Linux Headers</para> |
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[11099cf] | 298 | <para>This package consists of santized headers from the Linux Kernel. |
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| 299 | These headers are required for Glibc to compile.</para> |
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| 300 | </listitem> |
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| 301 | |
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| 302 | <listitem> |
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| 303 | <para>Linux Kernel</para> |
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| 304 | <para>The Linux operating system.</para> |
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| 305 | </listitem> |
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| 306 | |
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| 307 | <listitem> |
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| 308 | <para>M4</para> |
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| 309 | <para>This package contains a macro processor. It is required by several |
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| 310 | CLFS packages, including Bison.</para> |
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| 311 | </listitem> |
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| 312 | |
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| 313 | <listitem> |
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| 314 | <para>Make</para> |
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[8fead24] | 315 | <para>This is required for installation of most CLFS packages</para> |
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[11099cf] | 316 | </listitem> |
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| 317 | |
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[507ded8] | 318 | <listitem> |
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| 319 | <para>Man-DB</para> |
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| 320 | <para>This package contains programs for finding and viewing man pages, |
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| 321 | and has superior internationalization capabilities compared to the |
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[8fead24] | 322 | <application>Man</application> package.</para> |
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[507ded8] | 323 | </listitem> |
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| 324 | |
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[11099cf] | 325 | <listitem> |
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| 326 | <para>Man-Pages</para> |
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| 327 | <para>A number of useful manpages, not supplied by other packages</para> |
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| 328 | </listitem> |
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| 329 | |
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| 330 | <listitem> |
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| 331 | <para>MPC</para> |
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[532a2c4] | 332 | <para>This package is required by GCC.</para> |
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[11099cf] | 333 | </listitem> |
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| 334 | |
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| 335 | <listitem> |
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| 336 | <para>MPFR</para> |
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[532a2c4] | 337 | <para>This package is required by GCC.</para> |
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[11099cf] | 338 | </listitem> |
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| 339 | |
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| 340 | <listitem> |
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| 341 | <para>Ncurses</para> |
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| 342 | <para>Needed by several packages in CLFS, such as Vim, Bash, and Less</para> |
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| 343 | </listitem> |
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| 344 | |
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| 345 | <listitem> |
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| 346 | <para>Patch</para> |
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| 347 | <para>Used for applying patches in several CLFS 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>Perl</para> |
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| 352 | <para>The Perl package contains the Practical Extraction and Report |
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| 353 | Language. It is required by several CLFS packages.</para> |
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| 354 | </listitem> |
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| 355 | |
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| 356 | <listitem> |
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[af5caa0] | 357 | <para>Pkg-config-lite</para> |
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[8fead24] | 358 | <para>Several packages in CLFS, and many others outside of CLFS, |
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| 359 | use <command>pkg-config</command> to locate dependencies.</para> |
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[11099cf] | 360 | </listitem> |
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| 361 | |
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| 362 | <listitem> |
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[7b0fa4a] | 363 | <para>Procps-ng</para> |
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[11099cf] | 364 | <para>Provides a number of small, useful utilities that give information |
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| 365 | about the <filename class="directory">/proc</filename> filesystem.</para> |
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| 366 | </listitem> |
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| 367 | |
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| 368 | <listitem> |
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| 369 | <para>Psmisc</para> |
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| 370 | <para>Provides more utilties that give information about the |
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| 371 | <filename class="directory">/proc</filename> filesystem.</para> |
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| 372 | </listitem> |
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| 373 | |
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| 374 | <listitem> |
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| 375 | <para>Readline</para> |
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| 376 | <para>The Readline library provides a set of functions for use by |
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| 377 | applications that allow users to edit command lines as they are typed |
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| 378 | in. This is essential for input in programs like <command>bash</command> |
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| 379 | to work properly.</para> |
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| 380 | </listitem> |
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| 381 | |
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| 382 | <listitem> |
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| 383 | <para>Sed</para> |
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| 384 | <para>This package contains a stream editor. It is used in the |
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| 385 | installation procedures of most CLFS packages.</para> |
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| 386 | </listitem> |
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| 387 | |
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| 388 | <listitem> |
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| 389 | <para>Shadow</para> |
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| 390 | <para>This package contains programs that assist in the administration |
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| 391 | of users and groups, and passwords.</para> |
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| 392 | </listitem> |
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| 393 | |
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| 394 | <listitem> |
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[24213983] | 395 | <para>Systemd</para> |
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[24b004c] | 396 | <para>Systemd provides the init daemon for the system, as well as Udev, |
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[ace4d89] | 397 | which dynamically creates device nodes.</para> |
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[11099cf] | 398 | </listitem> |
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| 399 | |
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| 400 | <listitem> |
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| 401 | <para>Tar</para> |
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| 402 | <para>Required to unpack the tar archives in which all CLFS packages |
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| 403 | are distributed</para> |
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| 404 | </listitem> |
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| 405 | |
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| 406 | <listitem> |
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| 407 | <para>Tcl</para> |
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[1b48cb6] | 408 | <para>Needed for the test suites of several packages</para> |
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[11099cf] | 409 | </listitem> |
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| 410 | |
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| 411 | <listitem> |
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| 412 | <para>Texinfo</para> |
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| 413 | <para>This package contains programs for viewing, installing and |
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| 414 | converting info pages. It is used in the installation procedures |
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| 415 | of many CLFS packages.</para> |
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| 416 | </listitem> |
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| 417 | |
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| 418 | <listitem> |
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| 419 | <para>Util-linux</para> |
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| 420 | <para>The Util-linux package contains miscellaneous utility programs. |
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| 421 | Among them are utilities for handling file systems, consoles, |
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| 422 | partitions, and messages. It also includes libraries that are required |
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| 423 | by E2fsprogs.</para> |
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| 424 | </listitem> |
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| 425 | |
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| 426 | <listitem> |
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| 427 | <para>Vim</para> |
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| 428 | <para>The Vim package contains a text editor. Users may substitute Nano, |
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| 429 | Joe, Emacs, or whatever other editor they prefer.</para> |
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| 430 | </listitem> |
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| 431 | |
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[ace4d89] | 432 | <listitem> |
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| 433 | <para>XML::Parser</para> |
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| 434 | <para>This Perl module is required by Intltool.</para> |
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| 435 | </listitem> |
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| 436 | |
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[11099cf] | 437 | <listitem> |
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[3fb13ab] | 438 | <para>XZ Utils</para> |
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[11099cf] | 439 | <para>Useful for compressing files to reduce size. Also needed to |
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| 440 | uncompress tarballs for many CLFS packages</para> |
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| 441 | </listitem> |
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| 442 | |
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| 443 | <listitem> |
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| 444 | <para>Zlib</para> |
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| 445 | <para>The Zlib package contains compression and decompression routines |
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| 446 | used by some programs.</para> |
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| 447 | </listitem> |
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| 448 | |
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| 449 | </itemizedlist> |
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| 450 | |
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| 451 | </appendix> |
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