/[gentoo]/xml/htdocs/doc/en/handbook/hb-working-use.xml
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1<?xml version='1.0' encoding='UTF-8'?> 1<?xml version='1.0' encoding='UTF-8'?>
2<!DOCTYPE sections SYSTEM "/dtd/book.dtd"> 2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3 3
4<!-- The content of this document is licensed under the CC-BY-SA license --> 4<!-- The content of this document is licensed under the CC-BY-SA license -->
5<!-- See http://creativecommons.org/licenses/by-sa/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-use.xml,v 1.10 2004/04/15 07:06:36 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-use.xml,v 1.11 2004/04/15 11:59:45 swift Exp $ -->
8 8
9<sections> 9<sections>
10<section> 10<section>
11<title>What are USE-flags?</title> 11<title>What are USE-flags?</title>
12<subsection> 12<subsection>
13<title>The ideas behind USE-flags</title> 13<title>The ideas behind USE-flags</title>
14<body> 14<body>
15 15
16<p> 16<p>
17When you are installing Gentoo (or any other distribution, or even operating 17When you are installing Gentoo (or any other distribution, or even operating
18system for that matter) you make choices depending on the environment you are 18system for that matter) you make choices depending on the environment you are
19working with. A setup for a server differs from a setup for a workstation. 19working with. A setup for a server differs from a setup for a workstation.
20A gaming workstation differs from a 3D rendering workstation. 20A gaming workstation differs from a 3D rendering workstation.
21</p> 21</p>
22 22
23<p> 23<p>
24This is not only true for choosing what packages you want to install, but also 24This is not only true for choosing what packages you want to install, but also
25what features a certain package should support. If you don't need OpenGL, why 25what features a certain package should support. If you don't need OpenGL, why
26would you bother installing OpenGL and build OpenGL support in most of your 26would you bother installing OpenGL and build OpenGL support in most of your
27packages? If you don't want to use KDE, why would you bother compiling packages 27packages? If you don't want to use KDE, why would you bother compiling packages
28with KDE-support if those packages work flawlessly without? 28with KDE-support if those packages work flawlessly without?
29</p> 29</p>
30 30
31<p> 31<p>
32To help users in deciding what to install/activate and what not, we wanted the 32To help users in deciding what to install/activate and what not, we wanted the
33user to specify his/her environment in an easy way. This forces the user into 33user to specify his/her environment in an easy way. This forces the user into
34deciding what he/she really wants and eases the process for Portage, our package 34deciding what they really want and eases the process for Portage, our package
35managment system, to make useful decisions. 35managment system, to make useful decisions.
36</p> 36</p>
37 37
38</body> 38</body>
39</subsection> 39</subsection>
40<subsection> 40<subsection>
41<title>Definition of a USE-flag</title> 41<title>Definition of a USE-flag</title>
42<body> 42<body>
43 43
44<p> 44<p>
45Enter the USE-flags. Such a flag is a keyword that embodies support and 45Enter the USE-flags. Such a flag is a keyword that embodies support and
46dependency-information for a certain concept. If you define a certain USE-flag, 46dependency-information for a certain concept. If you define a certain USE-flag,
47Portage will know that you want support for the chosen keyword. Of course 47Portage will know that you want support for the chosen keyword. Of course
48this also alters the dependency information for a package. 48this also alters the dependency information for a package.
49</p> 49</p>

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