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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<html lang="en">
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<meta http-equiv="Content-Language" content="en-us">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>C/C++ Project Properties, Environment</title>
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<link rel="stylesheet" type="text/css" href="../help.css">
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</head>
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<h1>C/C++ Project Properties, Environment</h1>
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Customizes the build environment for all projects in the workspace; it lets you control the environment variables used by the build.
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<p><img img="" src="../images/prop_environment.png"
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alt="C/C++ Project Properties, Environment"></p>
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<p></p>
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<table cellpadding="5" cellspacing="0" border="1" >
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<br>
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<caption><b>Environment preference options</b></caption>
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<br>
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<colgroup>
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<col width="30%" valign="top" >
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<col width="70%" valign="top" >
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</colgroup>
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<tbody>
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<tr>
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<td><b>Configuration</b></td>
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<td><a href="cdt_u_prop_all.htm">Click here for a description.</a></td>
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</tr>
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<tr>
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<td><b>Manage configurations</b></td>
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<td><a href="cdt_u_prop_all.htm">Click here for a description.</a></td>
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</tr>
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<tr>
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<td><b>Environment variables to set</b></td>
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<td>Shows the current list of environment variables and their corresponding value. These are the environment variable values used when building.</td>
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</tr>
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<tr>
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<td><b>Variable</b></td>
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<td>Specifies the name of the environment variable.</td>
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</tr>
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<tr>
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<td><b>Value</b></td>
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<td>Specifies the value of the environment variable.</td>
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</tr>
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<tr>
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<td><b>Append variables to native environment</b></td>
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<td>Appends the variables to the native environment during its execution.</td>
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</tr>
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<tr>
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<td><b>Replace native environment with specified one </b></td>
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<td>Replaces the native environment with the specified variables, and then restores the native environment upon its completion.</td>
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</tr>
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<tr>
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<td><b>New</b></td>
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<td>Opens a dialog to create a new environment variable and value. Custom environment variables that you create appear in bold within the list.
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<p><img img="" src="../images/cdt_buildenv_newenvvar.png" alt="C/C++ Project Properties, Environment, New environment variable"></p> <br>
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<p>Click <b>Variables</b> to Select variables by name to include in the value. Select <b>Add to all configurations</b> to make this new environment variable available to all configurations for the selected project; otherwise, the variable is only available for the currently selected configuration.</p>
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</td>
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</tr>
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<tr>
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<td><b>Select</b></td>
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<td>Opens the Select variables dialog where you can choose from a list of system variables.
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<p><img img="" src="../images/cdt_buildenv_selectvar.png" alt="C/C++ Project Properties, Environment, New environment variable"></p></td>
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</td>
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</tr>
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<tr>
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<td><b>Edit</b></td>
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<td>Modifies the name and value of the selected environment variable.</td>
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</tr>
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<tr>
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<td><b>Remove</b></td>
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<td>Removes the selected environment variables from the list.</td>
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</tr>
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<tr>
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<td><b>Undefine</b></td>
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<td>Undefines the currently selected variable; however, some variables, such as the PATH variable, cannot be undefined.
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin-top: 0pt; margin-bottom: 0pt;"><img border="0"
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src="../images/ngref.gif" alt="Related reference" width="143"
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height="21"><br>
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<ul>
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<li><a href="cdt_u_prop_resource.htm">Project Properties, Resource page</a>
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<li><a href="cdt_u_prop_builders.htm">Project Properties, Builders page</a>
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<li><a href="cdt_u_prop_all.htm">Project Properties, common C/C++ Configurations handling</a>
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<ul type="disc">
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<li><a href="cdt_u_prop_manage_dialog.htm">Manage Configurations dialog</a>
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<li><a href="cdt_u_prop_manage_newdialog.htm">Create Configuration dialog</a>
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<li><a href="cdt_u_prop_manage_rendialog.htm">Rename Configuration dialog</a>
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</ul>
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<li><a href="cdt_u_prop_build.htm">Project Properties, C/C++ Build category</a>
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<ul type="disc">
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<li><a href="cdt_u_prop_build_discovery.htm">Discovery options page</a>
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<li><a href="cdt_u_prop_build_environment.htm">Environment page</a>
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<li>Settings page
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<ul>
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<li><a href="cdt_u_prop_build_settings_tool.htm"> Tool Settings tab</a>
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<li><a href="cdt_u_prop_build_settings_steps.htm"> Build Steps tab</a>
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<li><a href="cdt_u_prop_build_settings_artifact.htm"> Build Artifact tab</a>
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<li><a href="cdt_u_prop_build_settings_binparser.htm">Binary Parsers tab</a>
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<li><a href="cdt_u_prop_build_settings_errparser.htm">Error Parsers tab</a>
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</ul>
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<li><a href="cdt_u_prop_build_toolchain.htm">Tool chain editor page</a>
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<li><a href="cdt_u_prop_build_variables.htm">Variables page</a>
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</ul>
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<li>Project Properties, <a href="cdt_u_prop_general.htm">C/C++ General category</a>
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<ul type="disc">
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<li><a href="cdt_u_prop_general_doc.htm">Documentation page</a>
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<li><a href="cdt_u_prop_general_exp.htm">Export Settings page</a>
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<!--ul>
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<li><a href="cdt_u_prop_general_exp_inc.htm">Includes tab</a>
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<li><a href="cdt_u_prop_general_exp_sym.htm">Symbols tab</a>
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<li><a href="cdt_u_prop_general_exp_lib.htm">Libraries tab</a>
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<li><a href="cdt_u_prop_general_exp_libpath.htm">Libraries path tab</a>
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</ul-->
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<li><a href="cdt_u_prop_general_typ.htm">File Types page</a>
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<li><a href="cdt_u_prop_general_idx.htm">Indexer page</a>
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<li><a href="cdt_u_prop_general_lng.htm">Language Mapping page</a>
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<li>Paths and Symbols page
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<ul>
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<li><a href="cdt_u_prop_general_pns_inc.htm">Includes tab</a>
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<li><a href="cdt_u_prop_general_pns_sym.htm">Symbols tab</a>
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<li><a href="cdt_u_prop_general_pns_lib.htm">Libraries tab</a>
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<li><a href="cdt_u_prop_general_pns_libpath.htm">Libraries path tab</a>
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<li><a href="cdt_u_prop_general_pns_src.htm">Source Location tab</a>
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<li><a href="cdt_u_prop_general_pns_out.htm">Output Location tab</a>
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<li><a href="cdt_u_prop_general_pns_ref.htm">References tab</a>
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<li><a href="cdt_u_prop_general_pns_hier.htm">Data Hierarchy tab</a>
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</ul>
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</ul>
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<li><a href="cdt_u_prop_ref.htm">C/C++ Project Properties, Project References page</a>
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<li><a href="cdt_u_prop_rundebug.htm">C/C++ Project Properties, Run/Debug Settings page</a>
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</ul>
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</p>
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<p><img src="../images/intl_07.gif" ALT="Intel Copyright Statement" ></p>
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</body>
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</html>
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