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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<HTML
><HEAD
><TITLE
>Building</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos User Guide"
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HREF="the-ecos-configuration-tool.html"><LINK
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><DIV
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WIDTH="100%"
BORDER="0"
CELLPADDING="0"
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><TR
><TH
COLSPAN="3"
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>eCos User Guide</TH
></TR
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><DIV
CLASS="CHAPTER"
><H1
><A
NAME="CONFIG-TOOL-BUILDING">Chapter 21. Building</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="config-tool-building.html#CONFIG-TOOL-SELECTING-BUILD-TOOLS"
>Selecting Build Tools</A
></DT
><DT
><A
HREF="config-tool-selecting-user-tools.html"
>Selecting User Tools</A
></DT
></DL
></DIV
><P
>When you have configured <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>, you may build the configuration.</P
><P
>On the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build</I
></SPAN
> menu, click:</P
><P
></P
><UL
><LI
><P
>			
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Library</I
></SPAN
>
 (or click the Build Library icon on the toolbar) &#8211; this
causes the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> configuration to be built. The result of a successful
build will be (among other things) a library against which user
code can be linked</P
></LI
><LI
><P
>			
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Tests</I
></SPAN
>
 &#8211; this causes the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> configuration to be built, and
additionally builds the relevant test cases linked against the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> library</P
></LI
><LI
><P
>			
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Clean</I
></SPAN
>
 &#8211; this removes all intermediate files, thus causing a
subsequent build/library or build/tests operation
to cause recompilation of all relevant files.</P
></LI
><LI
><P
>			
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Stop</I
></SPAN
>
 &#8211; this causes a currently executing build (any of the
above steps) to be interrupted</P
></LI
></UL
><P
>Build options may be displayed by using the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build-&gt;Options</I
></SPAN
> menu
item. This displays a dialog box containing a drop-list control
and two windows. The drop-list control allows you to select the
type of build option to be displayed (for example &#8220;LDFLAGS&#8221; are
the options applied at link-time. The left-hand window is a tree
view of the packages loaded in the current configuration. The right-hand
window is a list of the build options that will be used for the
currently selected package.</P
><P
>Note that this dialog box currently affords only read-only
access to the build options. In order to change build options you
must edit the relevant string configuration item.</P
><P
>A single level of inheritance is supported: each package&#8217;s
build options are combined with the global options (these are to
be found in the &#8220;Global build options&#8221; folder
in the configuration view).</P
><P
><P
><IMG
SRC="pix/buildoptions.png"></P
></P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="CONFIG-TOOL-SELECTING-BUILD-TOOLS">Selecting Build Tools</H1
><P
>Normally the installation process will supply the information
required for the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
><SPAN
CLASS="APPLICATION"
>Configuration Tool</SPAN
> to
locate the build tools (compiler, linker, etc.) necessary
to perform a build. However if this information is not registered,
or it is necessary to specify the location manually (for example,
when a new toolchain installation has been made), select <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Tools</I
></SPAN
>-&gt;<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Paths</I
></SPAN
>-&gt;<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Build
Tools</I
></SPAN
>. The following dialog box will be displayed:</P
><DIV
CLASS="FIGURE"
><A
NAME="AEN1521"><P
><B
>Figure 21-1. Build tools</B
></P
><P
><IMG
SRC="pix/build-tools2.png"></P
></DIV
><P
>This dialog box allows you to locate the folder containing
the build tools. </P
></DIV
></DIV
><DIV
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>Prev</A
></TD
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VALIGN="top"
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>Home</A
></TD
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></TD
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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [config-tool-building.html] - Rev 249
