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+<!-- Copyright (C) 2003 Red Hat, Inc. -->
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+<!-- Distribution of the work or derivative of the work in any -->
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+<HTML
+><HEAD
+><TITLE
+>Packages</TITLE
+><meta name="MSSmartTagsPreventParsing" content="TRUE">
+<META
+NAME="GENERATOR"
+CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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+TITLE="eCos User Guide"
+HREF="ecos-user-guide.html"><LINK
+REL="UP"
+TITLE="CDL Concepts"
+HREF="cdl-concepts.html"><LINK
+REL="PREVIOUS"
+TITLE="Component Definition Language"
+HREF="cdl-component-definition-language.html"><LINK
+REL="NEXT"
+TITLE="Configuration Items"
+HREF="cdl-configuration-items.html"></HEAD
+><BODY
+CLASS="SECT1"
+BGCOLOR="#FFFFFF"
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+VLINK="#840084"
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+><DIV
+CLASS="NAVHEADER"
+><TABLE
+SUMMARY="Header navigation table"
+WIDTH="100%"
+BORDER="0"
+CELLPADDING="0"
+CELLSPACING="0"
+><TR
+><TH
+COLSPAN="3"
+ALIGN="center"
+>eCos User Guide</TH
+></TR
+><TR
+><TD
+WIDTH="10%"
+ALIGN="left"
+VALIGN="bottom"
+><A
+HREF="cdl-component-definition-language.html"
+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="80%"
+ALIGN="center"
+VALIGN="bottom"
+>Chapter 24. CDL Concepts</TD
+><TD
+WIDTH="10%"
+ALIGN="right"
+VALIGN="bottom"
+><A
+HREF="cdl-configuration-items.html"
+ACCESSKEY="N"
+>Next</A
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+><HR
+ALIGN="LEFT"
+WIDTH="100%"></DIV
+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="CDL-PACKAGES">Packages</H1
+><P
+>The building blocks of an <SPAN
+CLASS="PRODUCTNAME"
+>eCos</SPAN
+> configuration are called
+ <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>packages</I
+></SPAN
+>. Packages are the units of
+ software distribution. A set of core packages (such as
+ kernel, C library and math library) is provided by Red Hat:
+ additional third-party packages will be available in
+ future.</P
+><P
+>A package may exist in one of a number of <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>versions</I
+></SPAN
+>.
+ The default version is the <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>current</I
+></SPAN
+> version.
+ Only one version of a given package may be present in the component
+repository at any given time.</P
+><P
+>Packages are organized in a tree hierarchy. Each package
+is either at the top-level or is the child of another package.</P
+><P
+>The <SPAN
+CLASS="PRODUCTNAME"
+>eCos</SPAN
+> <SPAN
+CLASS="APPLICATION"
+> Package Administration Tool</SPAN
+> can be used to add or remove
+packages from the component repository. The <SPAN
+CLASS="PRODUCTNAME"
+>eCos</SPAN
+> <SPAN
+CLASS="APPLICATION"
+>Configuration Tool</SPAN
+> can be used to include or exclude packages from the configuration
+being built.</P
+></DIV
+><DIV
+CLASS="NAVFOOTER"
+><HR
+ALIGN="LEFT"
+WIDTH="100%"><TABLE
+SUMMARY="Footer navigation table"
+WIDTH="100%"
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+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+><A
+HREF="ecos-user-guide.html"
+ACCESSKEY="H"
+>Home</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+><A
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+ACCESSKEY="N"
+>Next</A
+></TD
+></TR
+><TR
+><TD
+WIDTH="33%"
+ALIGN="left"
+VALIGN="top"
+>Component Definition Language</TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+><A
+HREF="cdl-concepts.html"
+ACCESSKEY="U"
+>Up</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+>Configuration Items</TD
+></TR
+></TABLE
+></DIV
+></BODY
+></HTML
+>
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