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<!-- Copyright (C) 2003 Red Hat, Inc. --> <!-- This material may be distributed only subject to the terms --> <!-- and conditions set forth in the Open Publication License, v1.0 --> <!-- or later (the latest version is presently available at --> <!-- http://www.opencontent.org/openpub/). --> <!-- Distribution of the work or derivative of the work in any --> <!-- standard (paper) book form is prohibited unless prior --> <!-- permission is obtained from the copyright holder. --> <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" HREF="ecos-user-guide.html"><LINK REL="UP" TITLE="The eCos Configuration Tool" HREF="the-ecos-configuration-tool.html"><LINK REL="PREVIOUS" TITLE="Searching" HREF="config-tool-searching.html"><LINK REL="NEXT" TITLE="Selecting User Tools" HREF="config-tool-selecting-user-tools.html"></HEAD ><BODY CLASS="CHAPTER" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><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="config-tool-searching.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="config-tool-selecting-user-tools.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><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) – 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 > – 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 > – 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 > – 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->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 “LDFLAGS” 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’s build options are combined with the global options (these are to be found in the “Global build options” 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 >-><SPAN CLASS="emphasis" ><I CLASS="EMPHASIS" >Paths</I ></SPAN >-><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 CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="config-tool-searching.html" 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 HREF="config-tool-selecting-user-tools.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Searching</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="the-ecos-configuration-tool.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Selecting User Tools</TD ></TR ></TABLE ></DIV ></BODY ></HTML >