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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<!-- This material may be distributed only subject to the terms      -->
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<!-- and conditions set forth in the Open Publication License, v1.0  -->
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<!-- or later (the latest version is presently available at          -->
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<!-- http://www.opencontent.org/openpub/).                           -->
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<!-- Distribution of the work or derivative of the work in any       -->
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<!-- standard (paper) book form is prohibited unless prior           -->
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<!-- permission is obtained from the copyright holder.               -->
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<HTML
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><HEAD
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><TITLE
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>Building</TITLE
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><meta name="MSSmartTagsPreventParsing" content="TRUE">
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<META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="eCos User Guide"
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HREF="ecos-user-guide.html"><LINK
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REL="UP"
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TITLE="The eCos Configuration Tool"
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HREF="the-ecos-configuration-tool.html"><LINK
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REL="PREVIOUS"
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TITLE="Searching"
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HREF="config-tool-searching.html"><LINK
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REL="NEXT"
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TITLE="Selecting User Tools"
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HREF="config-tool-selecting-user-tools.html"></HEAD
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><BODY
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CLASS="CHAPTER"
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TEXT="#000000"
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><TR
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><TH
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COLSPAN="3"
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>eCos User Guide</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="config-tool-searching.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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VALIGN="bottom"
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></TD
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><TD
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>Next</A
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><HR
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WIDTH="100%"></DIV
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><DIV
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CLASS="CHAPTER"
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><H1
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><A
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NAME="CONFIG-TOOL-BUILDING">Chapter 21. Building</H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="config-tool-building.html#CONFIG-TOOL-SELECTING-BUILD-TOOLS"
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>Selecting Build Tools</A
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></DT
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><DT
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><A
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HREF="config-tool-selecting-user-tools.html"
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>Selecting User Tools</A
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></DT
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></DL
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></DIV
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><P
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>When you have configured <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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>, you may build the configuration.</P
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><P
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>On the <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build</I
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></SPAN
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> menu, click:</P
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><P
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></P
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><UL
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><LI
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><P
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>
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Library</I
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></SPAN
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>
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 (or click the Build Library icon on the toolbar) &#8211; this
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causes the <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> configuration to be built. The result of a successful
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build will be (among other things) a library against which user
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code can be linked</P
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></LI
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><LI
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><P
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>
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Tests</I
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></SPAN
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>
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 &#8211; this causes the <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> configuration to be built, and
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additionally builds the relevant test cases linked against the <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> library</P
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></LI
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><LI
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><P
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>
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<SPAN
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><I
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CLASS="EMPHASIS"
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>Clean</I
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></SPAN
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>
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 &#8211; this removes all intermediate files, thus causing a
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subsequent build/library or build/tests operation
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to cause recompilation of all relevant files.</P
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></LI
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><LI
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><P
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>
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Stop</I
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></SPAN
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>
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 &#8211; this causes a currently executing build (any of the
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above steps) to be interrupted</P
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></LI
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></UL
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><P
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>Build options may be displayed by using the <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build-&gt;Options</I
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></SPAN
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> menu
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item. This displays a dialog box containing a drop-list control
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and two windows. The drop-list control allows you to select the
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type of build option to be displayed (for example &#8220;LDFLAGS&#8221; are
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the options applied at link-time. The left-hand window is a tree
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view of the packages loaded in the current configuration. The right-hand
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window is a list of the build options that will be used for the
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currently selected package.</P
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><P
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>Note that this dialog box currently affords only read-only
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access to the build options. In order to change build options you
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must edit the relevant string configuration item.</P
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><P
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>A single level of inheritance is supported: each package&#8217;s
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build options are combined with the global options (these are to
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be found in the &#8220;Global build options&#8221; folder
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in the configuration view).</P
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><P
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><P
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><IMG
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SRC="pix/buildoptions.png"></P
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></P
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="CONFIG-TOOL-SELECTING-BUILD-TOOLS">Selecting Build Tools</H1
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><P
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>Normally the installation process will supply the information
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required for the <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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><SPAN
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CLASS="APPLICATION"
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>Configuration Tool</SPAN
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> to
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locate the build tools (compiler, linker, etc.) necessary
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to perform a build. However if this information is not registered,
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or it is necessary to specify the location manually (for example,
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when a new toolchain installation has been made), select <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Tools</I
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></SPAN
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>-&gt;<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Paths</I
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></SPAN
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>-&gt;<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build
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Tools</I
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></SPAN
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>. The following dialog box will be displayed:</P
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><DIV
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CLASS="FIGURE"
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><A
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NAME="AEN1521"><P
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><B
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>Figure 21-1. Build tools</B
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></P
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><P
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><IMG
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SRC="pix/build-tools2.png"></P
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></DIV
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><P
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>This dialog box allows you to locate the folder containing
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the build tools. </P
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="config-tool-searching.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="ecos-user-guide.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="config-tool-selecting-user-tools.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>Searching</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="the-ecos-configuration-tool.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Selecting User Tools</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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