core/com.nokia.carbide.cpp.doc.user/html/reference/build_properties/pane_build_config_env.htm
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     8 <title>Environment Variables</title>
       
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    12 <h2>Environment Variables</h2>
       
    13 <p>  The <b>Environment Variables </b> pane allows you to view the current User and System environment variables that will be used  when any abld command is invoked. User variables are modified or added when a process is invoked. Read only system variables  are listed. Variables and values in bold  are items that have been modified from their default values.</p>
       
    14 <p>Some variables have special meaning, including:</p>
       
    15 <ul>
       
    16   <li><span class="code">PATH</span> &#8212; will always place &quot;<span class="code">${EPOCROOT}\epoc32\tools;${EPOCROOT}\epoc32\gcc\bin;</span>&quot; at the front of the <span class="code">PATH</span> regardless of what it is changed to </li>
       
    17   <li><span class="code">PATH</span>, <span class="code">EPOCROOT</span>, and <span class="code">*MW</span> variables &#8212; <span class="note">cannot be undefined as they are required for system builds</span></li>
       
    18 </ul>
       
    19 <p align="center"><img src="../images/page_build_config_env.png" width="575" height="473"></p>
       
    20 <p class="figure">Figure 1 - Environment Variables</p>
       
    21 <h5>Table 1 Environment variable items</h5>
       
    22 <table width="100%"  border="0" cellpadding="2" cellspacing="0">
       
    23   <tr>
       
    24     <th width="29%" scope="col">Item</th>
       
    25     <th width="57%" scope="col">Explanation</th>
       
    26   </tr>
       
    27   <tr>
       
    28     <td><b>New</b></td>
       
    29     <td>Click to add a new environment variable. You must specify a name and a value. </td>
       
    30   </tr>
       
    31   <tr>
       
    32     <td><b>Edit</b></td>
       
    33     <td>Allows you to edit the name and value of an environment variable.</td>
       
    34   </tr>
       
    35   <tr>
       
    36     <td><b>Undefine</b></td>
       
    37     <td><p>Undefines the selected variable so that it is not used during a build.</p>
       
    38       <p class="note"><b>NOTE</b> Some variables, like <span class="code">PATH</span>, <span class="code">EPOCROOT</span>, and those beginning with <span class="code">MW*</span> have special meaning and cannot be undefined. </p></td>
       
    39   </tr>
       
    40   <tr>
       
    41     <td><b>Variable use</b></td>
       
    42     <td><p>Shows the use for the selected variable. Uses include:</p>
       
    43       <ul>
       
    44         <li>Default &ndash; Take the variable as-is from the system, do not modify it.</li>
       
    45         <li>Append &ndash; Add the value displayed to the end of the existing variable (the existing variable name is not displayed.</li>
       
    46         <li>Prepend &ndash; Add the value displayed to the front of the existing variable (the existing variable name is not displayed.</li>
       
    47         <li>Replace &ndash; Replace the value displayed with the existing variable.</li>
       
    48         <li>Undefine &ndash; Not used during a build</li>
       
    49       </ul></td>
       
    50   </tr>
       
    51 </table>
       
    52 <h5>Other references </h5>
       
    53 <ul>
       
    54   <li><a href="pane_build_config.htm">Carbide Build Configurations</a></li>
       
    55   <li><a href="pane_build_config.htm">SIS Builder</a></li>
       
    56   <li><a href="pane_build_config_args.htm">Arguments</a></li>
       
    57   <li><a href="pane_build_config_paths.htm">Paths and Symbols </a></li>
       
    58 </ul>
       
    59 <div id="footer">Copyright &copy; 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. <br>License: <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a></div>
       
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