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<title>Unsetting Built-in Environment</title>
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<h2>Unsetting Built-in Environment</h2>
<p>The Carbide.c++ > <img src="../images/command_link.png" border="0" alt="" /> <a class="command-link" href='javascript:executeCommand("org.eclipse.ui.window.preferences(preferencePageId=com.nokia.carbide.cdt.internal.builder.ui.BuilderPreferencePage)")'> Build</a> page in the <b>Preferences</b> window provides an option to use the local x86 build tools for each emulator build. A directory named x86Build at the root of the product installation contains the build tools, libraries, and <span class="code">env_update.exe</span> file.</p>
<p>Uncheck the "Use built-in Nokia x86 environment variables for WINSCW builds" option if you do not want to use the built-in compiler.</p>
<p>Figure 1 shows the <a href="pref_carb_build.htm">Build</a> preferences window.</p>
<p align="center"><img src="images/carbide_preferences2.png" width="670" height="373" /></p>
<p class="figure">Figure 1 -Build preferences window showing Emulator Build Options </p>
<h5>Related references</h5>
<ul>
<li><a href="../tasks/sdks/sdk_platform_filter.htm">Platform Filtering Preferences</a></li>
<li><a href="pref_carb_sdk_preference.html">SDK Preferences</a></li>
</ul>
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