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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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>Manual Configuration</TITLE
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><H1
><A
NAME="MANUAL-CONFIGURATION">Chapter 28. Manual Configuration</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="manual-configuration.html#DIRECTORY-TREE-STRUCTURE"
>Directory Tree Structure</A
></DT
><DT
><A
HREF="creating-build-tree.html"
>Creating the Build Tree</A
></DT
><DT
><A
HREF="conflicts-and-constraints.html"
>Conflicts and constraints</A
></DT
><DT
><A
HREF="building-the-system.html"
>Building the System</A
></DT
><DT
><A
HREF="ecos-packages.html"
>Packages</A
></DT
><DT
><A
HREF="coarse-grained-configuration.html"
>Coarse-grained Configuration</A
></DT
><DT
><A
HREF="fine-grained-configuration.html"
>Fine-grained Configuration</A
></DT
><DT
><A
HREF="editing-an-ecos-savefile.html"
>Editing an <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Savefile</A
></DT
><DT
><A
HREF="editing-the-sources.html"
>Editing the Sources</A
></DT
><DT
><A
HREF="modifying-the-memory-layout.html"
>Modifying the Memory Layout</A
></DT
></DL
></DIV
><P
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> developers will generally use the graphical
      Configuration Tool for configuring an <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> system and building
      the target library. However, some user prefer to use command
      line tools. These command line tools can also be used for batch
      operations on all platforms, for example as part of a nightly
      rebuild and testing procedure.
    </P
><P
>In the current release of the system the command line tools
      do not provide exactly the same functionality as the graphical
      tool. Most importantly, there is no facility to resolve
      configuration conflicts interactively.</P
><P
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> configuration system, both graphical and command
      line tools, are under constant development and enhancement.
      Developers should note that the procedures described may change
      considerably in future releases. </P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="DIRECTORY-TREE-STRUCTURE">Directory Tree Structure</H1
><P
>When building <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> there are three main directory trees to
        consider: the source tree, the build tree, and the install
        tree.</P
><P
>The source tree, also known as the component repository,
          is read-only. It is possible to use a single component
          repository for any number of different configurations, and
          it is also possible to share a component repository between
          multiple users by putting it on a network drive.</P
><P
>The build tree contains everything that is specific to a
          particular configuration, including header and other files
          that contain configuration data, and the object files that
          result from compiling the system sources for this
          configuration. </P
><P
>The install tree is usually located in the <TT
CLASS="FILENAME"
>install</TT
> subdirectory
of the build tree. Once an <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> system has been built, the install
tree contains all the files needed for application development including
the header files and the target library. By making copies of the
install tree after a build it is possible to separate application
development and system configuration, which may be desirable for
some organizations. </P
></DIV
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Line No.	Rev	Author	Line
1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
2			`<!-- This material may be distributed only subject to the terms -->`
3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
4			`<!-- or later (the latest version is presently available at -->`
5			`<!-- http://www.opencontent.org/openpub/). -->`
6			`<!-- Distribution of the work or derivative of the work in any -->`
7			`<!-- standard (paper) book form is prohibited unless prior -->`
8			`<!-- permission is obtained from the copyright holder. -->`
9			`<HTML`
10			`><HEAD`
11			`><TITLE`
12			`>Manual Configuration</TITLE`
13			`><meta name="MSSmartTagsPreventParsing" content="TRUE">`
14			`<META`
15			`NAME="GENERATOR"`
16			`CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+`
17			`"><LINK`
18			`REL="HOME"`
19			`TITLE="eCos User Guide"`
20			`HREF="ecos-user-guide.html"><LINK`
21			`REL="UP"`
22			`TITLE="Configuration and the Package Repository"`
23			`HREF="configuration-and-the-package-repository.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="Configuration and the Package Repository"`
26			`HREF="configuration-and-the-package-repository.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Creating the Build Tree"`
29			`HREF="creating-build-tree.html"></HEAD`
30			`><BODY`
31			`CLASS="CHAPTER"`
32			`BGCOLOR="#FFFFFF"`
33			`TEXT="#000000"`
34			`LINK="#0000FF"`
35			`VLINK="#840084"`
36			`ALINK="#0000FF"`
37			`><DIV`
38			`CLASS="NAVHEADER"`
39			`><TABLE`
40			`SUMMARY="Header navigation table"`
41			`WIDTH="100%"`
42			`BORDER="0"`
43			`CELLPADDING="0"`
44			`CELLSPACING="0"`
45			`><TR`
46			`><TH`
47			`COLSPAN="3"`
48			`ALIGN="center"`
49			`>eCos User Guide</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="configuration-and-the-package-repository.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
65			`></TD`
66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="creating-build-tree.html"`
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73			`>Next</A`
74			`></TD`
75			`></TR`
76			`></TABLE`
77			`><HR`
78			`ALIGN="LEFT"`
79			`WIDTH="100%"></DIV`
80			`><DIV`
81			`CLASS="CHAPTER"`
82			`><H1`
83			`><A`
84			`NAME="MANUAL-CONFIGURATION">Chapter 28. Manual Configuration</H1`
85			`><DIV`
86			`CLASS="TOC"`
87			`><DL`
88			`><DT`
89			`><B`
90			`>Table of Contents</B`
91			`></DT`
92			`><DT`
93			`><A`
94			`HREF="manual-configuration.html#DIRECTORY-TREE-STRUCTURE"`
95			`>Directory Tree Structure</A`
96			`></DT`
97			`><DT`
98			`><A`
99			`HREF="creating-build-tree.html"`
100			`>Creating the Build Tree</A`
101			`></DT`
102			`><DT`
103			`><A`
104			`HREF="conflicts-and-constraints.html"`
105			`>Conflicts and constraints</A`
106			`></DT`
107			`><DT`
108			`><A`
109			`HREF="building-the-system.html"`
110			`>Building the System</A`
111			`></DT`
112			`><DT`
113			`><A`
114			`HREF="ecos-packages.html"`
115			`>Packages</A`
116			`></DT`
117			`><DT`
118			`><A`
119			`HREF="coarse-grained-configuration.html"`
120			`>Coarse-grained Configuration</A`
121			`></DT`
122			`><DT`
123			`><A`
124			`HREF="fine-grained-configuration.html"`
125			`>Fine-grained Configuration</A`
126			`></DT`
127			`><DT`
128			`><A`
129			`HREF="editing-an-ecos-savefile.html"`
130			`>Editing an <SPAN`
131			`CLASS="PRODUCTNAME"`
132			`>eCos</SPAN`
133			`> Savefile</A`
134			`></DT`
135			`><DT`
136			`><A`
137			`HREF="editing-the-sources.html"`
138			`>Editing the Sources</A`
139			`></DT`
140			`><DT`
141			`><A`
142			`HREF="modifying-the-memory-layout.html"`
143			`>Modifying the Memory Layout</A`
144			`></DT`
145			`></DL`
146			`></DIV`
147			`><P`
148			`><SPAN`
149			`CLASS="PRODUCTNAME"`
150			`>eCos</SPAN`
151			`> developers will generally use the graphical`
152			`Configuration Tool for configuring an <SPAN`
153			`CLASS="PRODUCTNAME"`
154			`>eCos</SPAN`
155			`> system and building`
156			`the target library. However, some user prefer to use command`
157			`line tools. These command line tools can also be used for batch`
158			`operations on all platforms, for example as part of a nightly`
159			`rebuild and testing procedure.`
160			`</P`
161			`><P`
162			`>In the current release of the system the command line tools`
163			`do not provide exactly the same functionality as the graphical`
164			`tool. Most importantly, there is no facility to resolve`
165			`configuration conflicts interactively.</P`
166			`><P`
167			`>The <SPAN`
168			`CLASS="PRODUCTNAME"`
169			`>eCos</SPAN`
170			`> configuration system, both graphical and command`
171			`line tools, are under constant development and enhancement.`
172			`Developers should note that the procedures described may change`
173			`considerably in future releases. </P`
174			`><DIV`
175			`CLASS="SECT1"`
176			`><H1`
177			`CLASS="SECT1"`
178			`><A`
179			`NAME="DIRECTORY-TREE-STRUCTURE">Directory Tree Structure</H1`
180			`><P`
181			`>When building <SPAN`
182			`CLASS="PRODUCTNAME"`
183			`>eCos</SPAN`
184			`> there are three main directory trees to`
185			`consider: the source tree, the build tree, and the install`
186			`tree.</P`
187			`><P`
188			`>The source tree, also known as the component repository,`
189			`is read-only. It is possible to use a single component`
190			`repository for any number of different configurations, and`
191			`it is also possible to share a component repository between`
192			`multiple users by putting it on a network drive.</P`
193			`><P`
194			`>The build tree contains everything that is specific to a`
195			`particular configuration, including header and other files`
196			`that contain configuration data, and the object files that`
197			`result from compiling the system sources for this`
198			`configuration. </P`
199			`><P`
200			`>The install tree is usually located in the <TT`
201			`CLASS="FILENAME"`
202			`>install</TT`
203			`> subdirectory`
204			`of the build tree. Once an <SPAN`
205			`CLASS="PRODUCTNAME"`
206			`>eCos</SPAN`
207			`> system has been built, the install`
208			`tree contains all the files needed for application development including`
209			`the header files and the target library. By making copies of the`
210			`install tree after a build it is possible to separate application`
211			`development and system configuration, which may be desirable for`
212			`some organizations. </P`
213			`></DIV`
214			`></DIV`
215			`><DIV`
216			`CLASS="NAVFOOTER"`
217			`><HR`
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233			`>Prev</A`
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241			`ACCESSKEY="H"`
242			`>Home</A`
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256			`WIDTH="33%"`
257			`ALIGN="left"`
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259			`>Configuration and the Package Repository</TD`
260			`><TD`
261			`WIDTH="34%"`
262			`ALIGN="center"`
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264			`><A`
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266			`ACCESSKEY="U"`
267			`>Up</A`
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278			`></HTML`
279			`>`

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