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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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><H1
><A
NAME="COMPONENT-REPO-AND-WORKING-DIRS">Chapter 25. The Component Repository and Working Directories</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="component-repo-and-working-dirs.html#COMPONENT-REPO"
>Component Repository</A
></DT
><DT
><A
HREF="build-tree.html"
>Build Tree</A
></DT
><DT
><A
HREF="install-tree.html"
>Install Tree</A
></DT
><DT
><A
HREF="repository-app-build-tree.html"
>Application Build Tree</A
></DT
></DL
></DIV
><P
>Each of the file trees involved in <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> development has a
        different role. </P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="COMPONENT-REPO">Component Repository</H1
><P
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <I
CLASS="FIRSTTERM"
>component repository</I
>
          contains directories for all the packages that are shipped
          with <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> or provided by third parties.</P
><P
>The component repository should not be modified as part of
application development. </P
><DIV
CLASS="FIGURE"
><A
NAME="AEN2022"><P
><B
>Figure 25-1. Component repository</B
></P
><P
><IMG
SRC="pix/comprepos.png"></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN2025">Purpose</H2
><P
>The component repository is the master copy of source code
for all system and third party components. It also contains some
files needed to administer and build the system, such as <B
CLASS="COMMAND"
>ecosadmin.tcl</B
>.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN2029">How is it modified?</H2
><P
>You modify it by importing new versions of packages from a
distribution or removing existing packages. These activities are
undertaken using the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Package Administration Tool</SPAN
>.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN2034">When is it edited manually?</H2
><P
>Files in the component repository should only be edited manually
as determined by the component maintainer.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN2037">User Applications</H2
><P
>User application source code should <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>not</I
></SPAN
> go
into the component repository.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN2041">Examples of files in this hierarchy:</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/doc/ref/ecos-ref.html</TT
></DT
><DD
><P
>The top level HTML file for the
                  <I
CLASS="CITETITLE"
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Reference
                    Manual</I
>. </P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/prebuilt/pid/tests/kernel/<TT
CLASS="REPLACEABLE"
><I
>&#60;version&#62;</I
></TT
>/tests/thread_gdb.exe</TT
></DT
><DD
><P
></P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/prebuilt/linux/tests/kernel/<TT
CLASS="REPLACEABLE"
><I
>&#60;version&#62;</I
></TT
>/tests/thread_gdb.exe</TT
></DT
><DD
><P
>Pre-built tests for the supported platforms, and
                  the synthetic Linux target.</P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/examples/twothreads.c</TT
></DT
><DD
><P
>One of the example programs.</P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/ecosadmin.tcl</TT
></DT
><DD
><P
>The Tcl program which is used to  import new versions of packages
from a distribution or remove existing packages.</P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/packages/language/c/libm/<TT
CLASS="REPLACEABLE"
><I
>&#60;version&#62;</I
></TT
>/src/double/portable-api/s_tanh.c</TT
></DT
><DD
><P
>Implementation of the hyperbolic tangent function in the standard
math library.</P
></DD
><DT
><TT
CLASS="FILENAME"
><TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/pkgconf/rules.mak</TT
></DT
><DD
><P
>A file with <B
CLASS="COMMAND"
>make</B
> rules, used
by the <TT
CLASS="FILENAME"
>makefile</TT
>.</P
></DD
></DL
></DIV
></DIV
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
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ALIGN="right"
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HREF="build-tree.html"
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><TD
WIDTH="33%"
ALIGN="left"
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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			`>The Component Repository and Working Directories</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="eCos Programming Concepts and Techniques"`
23			`HREF="ecos-programming-concepts-and-techniques.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="Templates"`
26			`HREF="cdl-templates.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Build Tree"`
29			`HREF="build-tree.html"></HEAD`
30			`><BODY`
31			`CLASS="CHAPTER"`
32			`BGCOLOR="#FFFFFF"`
33			`TEXT="#000000"`
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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="cdl-templates.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
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66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="build-tree.html"`
72			`ACCESSKEY="N"`
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="COMPONENT-REPO-AND-WORKING-DIRS">Chapter 25. The Component Repository and Working Directories</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="component-repo-and-working-dirs.html#COMPONENT-REPO"`
95			`>Component Repository</A`
96			`></DT`
97			`><DT`
98			`><A`
99			`HREF="build-tree.html"`
100			`>Build Tree</A`
101			`></DT`
102			`><DT`
103			`><A`
104			`HREF="install-tree.html"`
105			`>Install Tree</A`
106			`></DT`
107			`><DT`
108			`><A`
109			`HREF="repository-app-build-tree.html"`
110			`>Application Build Tree</A`
111			`></DT`
112			`></DL`
113			`></DIV`
114			`><P`
115			`>Each of the file trees involved in <SPAN`
116			`CLASS="PRODUCTNAME"`
117			`>eCos</SPAN`
118			`> development has a`
119			`different role. </P`
120			`><DIV`
121			`CLASS="SECT1"`
122			`><H1`
123			`CLASS="SECT1"`
124			`><A`
125			`NAME="COMPONENT-REPO">Component Repository</H1`
126			`><P`
127			`>The <SPAN`
128			`CLASS="PRODUCTNAME"`
129			`>eCos</SPAN`
130			`> <I`
131			`CLASS="FIRSTTERM"`
132			`>component repository</I`
133			`>`
134			`contains directories for all the packages that are shipped`
135			`with <SPAN`
136			`CLASS="PRODUCTNAME"`
137			`>eCos</SPAN`
138			`> or provided by third parties.</P`
139			`><P`
140			`>The component repository should not be modified as part of`
141			`application development. </P`
142			`><DIV`
143			`CLASS="FIGURE"`
144			`><A`
145			`NAME="AEN2022"><P`
146			`><B`
147			`>Figure 25-1. Component repository</B`
148			`></P`
149			`><P`
150			`><IMG`
151			`SRC="pix/comprepos.png"></P`
152			`></DIV`
153			`><DIV`
154			`CLASS="SECT2"`
155			`><H2`
156			`CLASS="SECT2"`
157			`><A`
158			`NAME="AEN2025">Purpose</H2`
159			`><P`
160			`>The component repository is the master copy of source code`
161			`for all system and third party components. It also contains some`
162			`files needed to administer and build the system, such as <B`
163			`CLASS="COMMAND"`
164			`>ecosadmin.tcl</B`
165			`>.</P`
166			`></DIV`
167			`><DIV`
168			`CLASS="SECT2"`
169			`><H2`
170			`CLASS="SECT2"`
171			`><A`
172			`NAME="AEN2029">How is it modified?</H2`
173			`><P`
174			`>You modify it by importing new versions of packages from a`
175			`distribution or removing existing packages. These activities are`
176			`undertaken using the <SPAN`
177			`CLASS="PRODUCTNAME"`
178			`>eCos</SPAN`
179			`> <SPAN`
180			`CLASS="APPLICATION"`
181			`>Package Administration Tool</SPAN`
182			`>.</P`
183			`></DIV`
184			`><DIV`
185			`CLASS="SECT2"`
186			`><H2`
187			`CLASS="SECT2"`
188			`><A`
189			`NAME="AEN2034">When is it edited manually?</H2`
190			`><P`
191			`>Files in the component repository should only be edited manually`
192			`as determined by the component maintainer.</P`
193			`></DIV`
194			`><DIV`
195			`CLASS="SECT2"`
196			`><H2`
197			`CLASS="SECT2"`
198			`><A`
199			`NAME="AEN2037">User Applications</H2`
200			`><P`
201			`>User application source code should <SPAN`
202			`CLASS="emphasis"`
203			`><I`
204			`CLASS="EMPHASIS"`
205			`>not</I`
206			`></SPAN`
207			`> go`
208			`into the component repository.</P`
209			`></DIV`
210			`><DIV`
211			`CLASS="SECT2"`
212			`><H2`
213			`CLASS="SECT2"`
214			`><A`
215			`NAME="AEN2041">Examples of files in this hierarchy:</H2`
216			`><P`
217			`></P`
218			`><DIV`
219			`CLASS="VARIABLELIST"`
220			`><DL`
221			`><DT`
222			`><TT`
223			`CLASS="FILENAME"`
224			`><TT`
225			`CLASS="REPLACEABLE"`
226			`><I`
227			`>BASE_DIR</I`
228			`></TT`
229			`>/doc/ref/ecos-ref.html</TT`
230			`></DT`
231			`><DD`
232			`><P`
233			`>The top level HTML file for the`
234			`<I`
235			`CLASS="CITETITLE"`
236			`><SPAN`
237			`CLASS="PRODUCTNAME"`
238			`>eCos</SPAN`
239			`> Reference`
240			`Manual</I`
241			`>. </P`
242			`></DD`
243			`><DT`
244			`><TT`
245			`CLASS="FILENAME"`
246			`><TT`
247			`CLASS="REPLACEABLE"`
248			`><I`
249			`>BASE_DIR</I`
250			`></TT`
251			`>/prebuilt/pid/tests/kernel/<TT`
252			`CLASS="REPLACEABLE"`
253			`><I`
254			`><version></I`
255			`></TT`
256			`>/tests/thread_gdb.exe</TT`
257			`></DT`
258			`><DD`
259			`><P`
260			`></P`
261			`></DD`
262			`><DT`
263			`><TT`
264			`CLASS="FILENAME"`
265			`><TT`
266			`CLASS="REPLACEABLE"`
267			`><I`
268			`>BASE_DIR</I`
269			`></TT`
270			`>/prebuilt/linux/tests/kernel/<TT`
271			`CLASS="REPLACEABLE"`
272			`><I`
273			`><version></I`
274			`></TT`
275			`>/tests/thread_gdb.exe</TT`
276			`></DT`
277			`><DD`
278			`><P`
279			`>Pre-built tests for the supported platforms, and`
280			`the synthetic Linux target.</P`
281			`></DD`
282			`><DT`
283			`><TT`
284			`CLASS="FILENAME"`
285			`><TT`
286			`CLASS="REPLACEABLE"`
287			`><I`
288			`>BASE_DIR</I`
289			`></TT`
290			`>/examples/twothreads.c</TT`
291			`></DT`
292			`><DD`
293			`><P`
294			`>One of the example programs.</P`
295			`></DD`
296			`><DT`
297			`><TT`
298			`CLASS="FILENAME"`
299			`><TT`
300			`CLASS="REPLACEABLE"`
301			`><I`
302			`>BASE_DIR</I`
303			`></TT`
304			`>/ecosadmin.tcl</TT`
305			`></DT`
306			`><DD`
307			`><P`
308			`>The Tcl program which is used to import new versions of packages`
309			`from a distribution or remove existing packages.</P`
310			`></DD`
311			`><DT`
312			`><TT`
313			`CLASS="FILENAME"`
314			`><TT`
315			`CLASS="REPLACEABLE"`
316			`><I`
317			`>BASE_DIR</I`
318			`></TT`
319			`>/packages/language/c/libm/<TT`
320			`CLASS="REPLACEABLE"`
321			`><I`
322			`><version></I`
323			`></TT`
324			`>/src/double/portable-api/s_tanh.c</TT`
325			`></DT`
326			`><DD`
327			`><P`
328			`>Implementation of the hyperbolic tangent function in the standard`
329			`math library.</P`
330			`></DD`
331			`><DT`
332			`><TT`
333			`CLASS="FILENAME"`
334			`><TT`
335			`CLASS="REPLACEABLE"`
336			`><I`
337			`>BASE_DIR</I`
338			`></TT`
339			`>/pkgconf/rules.mak</TT`
340			`></DT`
341			`><DD`
342			`><P`
343			`>A file with <B`
344			`CLASS="COMMAND"`
345			`>make</B`
346			`> rules, used`
347			`by the <TT`
348			`CLASS="FILENAME"`
349			`>makefile</TT`
350			`>.</P`
351			`></DD`
352			`></DL`
353			`></DIV`
354			`></DIV`
355			`></DIV`
356			`></DIV`
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358			`CLASS="NAVFOOTER"`
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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [component-repo-and-working-dirs.html] - Blame information for rev 174