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  <section id="project">
<span id="command:project"></span><h1>project<a class="headerlink" href="#project" title="Permalink to this heading">¶</a></h1>
<p>Set the name of the project.</p>
<section id="synopsis">
<h2>Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this heading">¶</a></h2>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">project(</span><span class="nv">&lt;PROJECT-NAME&gt;</span><span class="w"> </span><span class="p">[</span><span class="nv">&lt;language-name&gt;...</span><span class="p">]</span><span class="nf">)</span><span class="w"></span>
<span class="nf">project(</span><span class="nv">&lt;PROJECT-NAME&gt;</span><span class="w"></span>
<span class="w">        </span><span class="p">[</span><span class="no">VERSION</span><span class="w"> </span><span class="nv">&lt;major&gt;</span><span class="p">[.</span><span class="nv">&lt;minor&gt;</span><span class="p">[.</span><span class="nv">&lt;patch&gt;</span><span class="p">[.</span><span class="nv">&lt;tweak&gt;</span><span class="p">]]]]</span><span class="w"></span>
<span class="w">        </span><span class="p">[</span><span class="no">DESCRIPTION</span><span class="w"> </span><span class="nv">&lt;project-description-string&gt;</span><span class="p">]</span><span class="w"></span>
<span class="w">        </span><span class="p">[</span><span class="no">HOMEPAGE_URL</span><span class="w"> </span><span class="nv">&lt;url-string&gt;</span><span class="p">]</span><span class="w"></span>
<span class="w">        </span><span class="p">[</span><span class="no">LANGUAGES</span><span class="w"> </span><span class="nv">&lt;language-name&gt;...</span><span class="p">]</span><span class="nf">)</span><span class="w"></span>
</pre></div>
</div>
<p>Sets the name of the project, and stores it in the variable
<span class="target" id="index-0-variable:PROJECT_NAME"></span><a class="reference internal" href="../variable/PROJECT_NAME.html#variable:PROJECT_NAME" title="PROJECT_NAME"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_NAME</span></code></a>. When called from the top-level
<code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code> also stores the project name in the
variable <span class="target" id="index-0-variable:CMAKE_PROJECT_NAME"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_NAME.html#variable:CMAKE_PROJECT_NAME" title="CMAKE_PROJECT_NAME"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_NAME</span></code></a>.</p>
<p>Also sets the variables:</p>
<dl>
<dt><span class="target" id="index-0-variable:PROJECT_SOURCE_DIR"></span><a class="reference internal" href="../variable/PROJECT_SOURCE_DIR.html#variable:PROJECT_SOURCE_DIR" title="PROJECT_SOURCE_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_SOURCE_DIR</span></code></a>, <span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_SOURCE_DIR"></span><a class="reference internal" href="../variable/PROJECT-NAME_SOURCE_DIR.html#variable:&lt;PROJECT-NAME&gt;_SOURCE_DIR" title="&lt;PROJECT-NAME&gt;_SOURCE_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_SOURCE_DIR</span></code></a></dt><dd><p>Absolute path to the source directory for the project.</p>
</dd>
<dt><span class="target" id="index-0-variable:PROJECT_BINARY_DIR"></span><a class="reference internal" href="../variable/PROJECT_BINARY_DIR.html#variable:PROJECT_BINARY_DIR" title="PROJECT_BINARY_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_BINARY_DIR</span></code></a>, <span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_BINARY_DIR"></span><a class="reference internal" href="../variable/PROJECT-NAME_BINARY_DIR.html#variable:&lt;PROJECT-NAME&gt;_BINARY_DIR" title="&lt;PROJECT-NAME&gt;_BINARY_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_BINARY_DIR</span></code></a></dt><dd><p>Absolute path to the binary directory for the project.</p>
</dd>
<dt><span class="target" id="index-0-variable:PROJECT_IS_TOP_LEVEL"></span><a class="reference internal" href="../variable/PROJECT_IS_TOP_LEVEL.html#variable:PROJECT_IS_TOP_LEVEL" title="PROJECT_IS_TOP_LEVEL"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_IS_TOP_LEVEL</span></code></a>, <span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_IS_TOP_LEVEL"></span><a class="reference internal" href="../variable/PROJECT-NAME_IS_TOP_LEVEL.html#variable:&lt;PROJECT-NAME&gt;_IS_TOP_LEVEL" title="&lt;PROJECT-NAME&gt;_IS_TOP_LEVEL"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_IS_TOP_LEVEL</span></code></a></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.21.</span></p>
</div>
<p>Boolean value indicating whether the project is top-level.</p>
</dd>
</dl>
<p>Further variables are set by the optional arguments described in the following.
If any of these arguments is not used, then the corresponding variables are
set to the empty string.</p>
</section>
<section id="options">
<h2>Options<a class="headerlink" href="#options" title="Permalink to this heading">¶</a></h2>
<p>The options are:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">VERSION</span> <span class="pre">&lt;version&gt;</span></code></dt><dd><p>Optional; may not be used unless policy <span class="target" id="index-0-policy:CMP0048"></span><a class="reference internal" href="../policy/CMP0048.html#policy:CMP0048" title="CMP0048"><code class="xref cmake cmake-policy docutils literal notranslate"><span class="pre">CMP0048</span></code></a> is
set to <code class="docutils literal notranslate"><span class="pre">NEW</span></code>.</p>
<p>Takes a <code class="docutils literal notranslate"><span class="pre">&lt;version&gt;</span></code> argument composed of non-negative integer components,
i.e. <code class="docutils literal notranslate"><span class="pre">&lt;major&gt;[.&lt;minor&gt;[.&lt;patch&gt;[.&lt;tweak&gt;]]]</span></code>,
and sets the variables</p>
<ul class="simple">
<li><p><span class="target" id="index-0-variable:PROJECT_VERSION"></span><a class="reference internal" href="../variable/PROJECT_VERSION.html#variable:PROJECT_VERSION" title="PROJECT_VERSION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_VERSION</span></code></a>,
<span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_VERSION"></span><a class="reference internal" href="../variable/PROJECT-NAME_VERSION.html#variable:&lt;PROJECT-NAME&gt;_VERSION" title="&lt;PROJECT-NAME&gt;_VERSION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_VERSION</span></code></a></p></li>
<li><p><span class="target" id="index-0-variable:PROJECT_VERSION_MAJOR"></span><a class="reference internal" href="../variable/PROJECT_VERSION_MAJOR.html#variable:PROJECT_VERSION_MAJOR" title="PROJECT_VERSION_MAJOR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_VERSION_MAJOR</span></code></a>,
<span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_VERSION_MAJOR"></span><a class="reference internal" href="../variable/PROJECT-NAME_VERSION_MAJOR.html#variable:&lt;PROJECT-NAME&gt;_VERSION_MAJOR" title="&lt;PROJECT-NAME&gt;_VERSION_MAJOR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_VERSION_MAJOR</span></code></a></p></li>
<li><p><span class="target" id="index-0-variable:PROJECT_VERSION_MINOR"></span><a class="reference internal" href="../variable/PROJECT_VERSION_MINOR.html#variable:PROJECT_VERSION_MINOR" title="PROJECT_VERSION_MINOR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_VERSION_MINOR</span></code></a>,
<span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_VERSION_MINOR"></span><a class="reference internal" href="../variable/PROJECT-NAME_VERSION_MINOR.html#variable:&lt;PROJECT-NAME&gt;_VERSION_MINOR" title="&lt;PROJECT-NAME&gt;_VERSION_MINOR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_VERSION_MINOR</span></code></a></p></li>
<li><p><span class="target" id="index-0-variable:PROJECT_VERSION_PATCH"></span><a class="reference internal" href="../variable/PROJECT_VERSION_PATCH.html#variable:PROJECT_VERSION_PATCH" title="PROJECT_VERSION_PATCH"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_VERSION_PATCH</span></code></a>,
<span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_VERSION_PATCH"></span><a class="reference internal" href="../variable/PROJECT-NAME_VERSION_PATCH.html#variable:&lt;PROJECT-NAME&gt;_VERSION_PATCH" title="&lt;PROJECT-NAME&gt;_VERSION_PATCH"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_VERSION_PATCH</span></code></a></p></li>
<li><p><span class="target" id="index-0-variable:PROJECT_VERSION_TWEAK"></span><a class="reference internal" href="../variable/PROJECT_VERSION_TWEAK.html#variable:PROJECT_VERSION_TWEAK" title="PROJECT_VERSION_TWEAK"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_VERSION_TWEAK</span></code></a>,
<span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_VERSION_TWEAK"></span><a class="reference internal" href="../variable/PROJECT-NAME_VERSION_TWEAK.html#variable:&lt;PROJECT-NAME&gt;_VERSION_TWEAK" title="&lt;PROJECT-NAME&gt;_VERSION_TWEAK"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_VERSION_TWEAK</span></code></a>.</p></li>
</ul>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.12: </span>When the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command is called from the top-level
<code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code>, then the version is also stored in the variable
<span class="target" id="index-0-variable:CMAKE_PROJECT_VERSION"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_VERSION.html#variable:CMAKE_PROJECT_VERSION" title="CMAKE_PROJECT_VERSION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_VERSION</span></code></a>.</p>
</div>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">DESCRIPTION</span> <span class="pre">&lt;project-description-string&gt;</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.9.</span></p>
</div>
<p>Optional.
Sets the variables</p>
<ul class="simple">
<li><p><span class="target" id="index-0-variable:PROJECT_DESCRIPTION"></span><a class="reference internal" href="../variable/PROJECT_DESCRIPTION.html#variable:PROJECT_DESCRIPTION" title="PROJECT_DESCRIPTION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_DESCRIPTION</span></code></a>, <span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_DESCRIPTION"></span><a class="reference internal" href="../variable/PROJECT-NAME_DESCRIPTION.html#variable:&lt;PROJECT-NAME&gt;_DESCRIPTION" title="&lt;PROJECT-NAME&gt;_DESCRIPTION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_DESCRIPTION</span></code></a></p></li>
</ul>
<p>to <code class="docutils literal notranslate"><span class="pre">&lt;project-description-string&gt;</span></code>.
It is recommended that this description is a relatively short string,
usually no more than a few words.</p>
<p>When the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command is called from the top-level <code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code>,
then the description is also stored in the variable <span class="target" id="index-0-variable:CMAKE_PROJECT_DESCRIPTION"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_DESCRIPTION.html#variable:CMAKE_PROJECT_DESCRIPTION" title="CMAKE_PROJECT_DESCRIPTION"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_DESCRIPTION</span></code></a>.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.12: </span>Added the <code class="docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_DESCRIPTION</span></code> variable.</p>
</div>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">HOMEPAGE_URL</span> <span class="pre">&lt;url-string&gt;</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.12.</span></p>
</div>
<p>Optional.
Sets the variables</p>
<ul class="simple">
<li><p><span class="target" id="index-0-variable:PROJECT_HOMEPAGE_URL"></span><a class="reference internal" href="../variable/PROJECT_HOMEPAGE_URL.html#variable:PROJECT_HOMEPAGE_URL" title="PROJECT_HOMEPAGE_URL"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">PROJECT_HOMEPAGE_URL</span></code></a>, <span class="target" id="index-0-variable:&lt;PROJECT-NAME&gt;_HOMEPAGE_URL"></span><a class="reference internal" href="../variable/PROJECT-NAME_HOMEPAGE_URL.html#variable:&lt;PROJECT-NAME&gt;_HOMEPAGE_URL" title="&lt;PROJECT-NAME&gt;_HOMEPAGE_URL"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;_HOMEPAGE_URL</span></code></a></p></li>
</ul>
<p>to <code class="docutils literal notranslate"><span class="pre">&lt;url-string&gt;</span></code>, which should be the canonical home URL for the project.</p>
<p>When the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command is called from the top-level <code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code>,
then the URL also is stored in the variable <span class="target" id="index-0-variable:CMAKE_PROJECT_HOMEPAGE_URL"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_HOMEPAGE_URL.html#variable:CMAKE_PROJECT_HOMEPAGE_URL" title="CMAKE_PROJECT_HOMEPAGE_URL"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_HOMEPAGE_URL</span></code></a>.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">LANGUAGES</span> <span class="pre">&lt;language-name&gt;...</span></code></dt><dd><p>Optional.
Can also be specified without <code class="docutils literal notranslate"><span class="pre">LANGUAGES</span></code> keyword per the first, short signature.</p>
<p>Selects which programming languages are needed to build the project.</p>
</dd>
</dl>
<p>Supported languages are <code class="docutils literal notranslate"><span class="pre">C</span></code>, <code class="docutils literal notranslate"><span class="pre">CXX</span></code> (i.e.  C++), <code class="docutils literal notranslate"><span class="pre">CSharp</span></code> (i.e.  C#), <code class="docutils literal notranslate"><span class="pre">CUDA</span></code>,
<code class="docutils literal notranslate"><span class="pre">OBJC</span></code> (i.e. Objective-C), <code class="docutils literal notranslate"><span class="pre">OBJCXX</span></code> (i.e. Objective-C++), <code class="docutils literal notranslate"><span class="pre">Fortran</span></code>, <code class="docutils literal notranslate"><span class="pre">HIP</span></code>,
<code class="docutils literal notranslate"><span class="pre">ISPC</span></code>, <code class="docutils literal notranslate"><span class="pre">Swift</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_NASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_MARMASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_MASM</span></code>, and <code class="docutils literal notranslate"><span class="pre">ASM-ATT</span></code>.</p>
<blockquote>
<div><div class="versionadded">
<p><span class="versionmodified added">New in version 3.8: </span>Added <code class="docutils literal notranslate"><span class="pre">CSharp</span></code> and <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.15: </span>Added <code class="docutils literal notranslate"><span class="pre">Swift</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.16: </span>Added <code class="docutils literal notranslate"><span class="pre">OBJC</span></code> and <code class="docutils literal notranslate"><span class="pre">OBJCXX</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.18: </span>Added <code class="docutils literal notranslate"><span class="pre">ISPC</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.21: </span>Added <code class="docutils literal notranslate"><span class="pre">HIP</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.26: </span>Added <code class="docutils literal notranslate"><span class="pre">ASM_MARMASM</span></code> support.</p>
</div>
</div></blockquote>
<p>If enabling <code class="docutils literal notranslate"><span class="pre">ASM</span></code>, list it last so that CMake can check whether
compilers for other languages like <code class="docutils literal notranslate"><span class="pre">C</span></code> work for assembly too.</p>
<p>The variables set through the <code class="docutils literal notranslate"><span class="pre">VERSION</span></code>, <code class="docutils literal notranslate"><span class="pre">DESCRIPTION</span></code> and <code class="docutils literal notranslate"><span class="pre">HOMEPAGE_URL</span></code>
options are intended for use as default values in package metadata and documentation.</p>
</section>
<section id="code-injection">
<span id="id1"></span><h2>Code Injection<a class="headerlink" href="#code-injection" title="Permalink to this heading">¶</a></h2>
<p>A number of variables can be defined by the user to specify files to include
at different points during the execution of the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command.
The following outlines the steps performed during a <code class="docutils literal notranslate"><span class="pre">project()</span></code> call:</p>
<ul>
<li><div class="versionadded">
<p><span class="versionmodified added">New in version 3.15: </span>For every <code class="docutils literal notranslate"><span class="pre">project()</span></code> call regardless of the project
name, include the file named by <span class="target" id="index-0-variable:CMAKE_PROJECT_INCLUDE_BEFORE"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_INCLUDE_BEFORE.html#variable:CMAKE_PROJECT_INCLUDE_BEFORE" title="CMAKE_PROJECT_INCLUDE_BEFORE"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_INCLUDE_BEFORE</span></code></a>,
if set.</p>
</div>
</li>
<li><div class="versionadded">
<p><span class="versionmodified added">New in version 3.17: </span>If the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command specifies <code class="docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;</span></code> as its project
name, include the file named by
<span class="target" id="index-0-variable:CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE_BEFORE"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_PROJECT-NAME_INCLUDE_BEFORE.html#variable:CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE_BEFORE" title="CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE_BEFORE"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE_BEFORE</span></code></a>, if set.</p>
</div>
</li>
<li><p>Set the various project-specific variables detailed in the <a class="reference internal" href="#synopsis">Synopsis</a>
and <a class="reference internal" href="#options">Options</a> sections above.</p></li>
<li><p>For the very first <code class="docutils literal notranslate"><span class="pre">project()</span></code> call only:</p>
<ul>
<li><p>If <span class="target" id="index-0-variable:CMAKE_TOOLCHAIN_FILE"></span><a class="reference internal" href="../variable/CMAKE_TOOLCHAIN_FILE.html#variable:CMAKE_TOOLCHAIN_FILE" title="CMAKE_TOOLCHAIN_FILE"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_TOOLCHAIN_FILE</span></code></a> is set, read it at least once.
It may be read multiple times and it may also be read again when
enabling languages later (see below).</p></li>
<li><p>Set the variables describing the host and target platforms.
Language-specific variables might or might not be set at this point.
On the first run, the only language-specific variables that might be
defined are those a toolchain file may have set. On subsequent runs,
language-specific variables cached from a previous run may be set.</p></li>
<li><div class="versionadded">
<p><span class="versionmodified added">New in version 3.24: </span>Include each file listed in <span class="target" id="index-0-variable:CMAKE_PROJECT_TOP_LEVEL_INCLUDES"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_TOP_LEVEL_INCLUDES.html#variable:CMAKE_PROJECT_TOP_LEVEL_INCLUDES" title="CMAKE_PROJECT_TOP_LEVEL_INCLUDES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_TOP_LEVEL_INCLUDES</span></code></a>,
if set. The variable is ignored by CMake thereafter.</p>
</div>
</li>
</ul>
</li>
<li><p>Enable any languages specified in the call, or the default languages if
none were provided. The toolchain file may be re-read when enabling a
language for the first time.</p></li>
<li><div class="versionadded">
<p><span class="versionmodified added">New in version 3.15: </span>For every <code class="docutils literal notranslate"><span class="pre">project()</span></code> call regardless of the project
name, include the file named by <span class="target" id="index-0-variable:CMAKE_PROJECT_INCLUDE"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_INCLUDE.html#variable:CMAKE_PROJECT_INCLUDE" title="CMAKE_PROJECT_INCLUDE"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_INCLUDE</span></code></a>,
if set.</p>
</div>
</li>
<li><p>If the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command specifies <code class="docutils literal notranslate"><span class="pre">&lt;PROJECT-NAME&gt;</span></code> as its project
name, include the file named by
<span class="target" id="index-0-variable:CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_PROJECT-NAME_INCLUDE.html#variable:CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE" title="CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_&lt;PROJECT-NAME&gt;_INCLUDE</span></code></a>, if set.</p></li>
</ul>
</section>
<section id="usage">
<h2>Usage<a class="headerlink" href="#usage" title="Permalink to this heading">¶</a></h2>
<p>The top-level <code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code> file for a project must contain a
literal, direct call to the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command; loading one
through the <span class="target" id="index-0-command:include"></span><a class="reference internal" href="include.html#command:include" title="include"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">include()</span></code></a> command is not sufficient.  If no such
call exists, CMake will issue a warning and pretend there is a
<code class="docutils literal notranslate"><span class="pre">project(Project)</span></code> at the top to enable the default languages
(<code class="docutils literal notranslate"><span class="pre">C</span></code> and <code class="docutils literal notranslate"><span class="pre">CXX</span></code>).</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Call the <code class="docutils literal notranslate"><span class="pre">project()</span></code> command near the top of the top-level
<code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code>, but <em>after</em> calling <span class="target" id="index-0-command:cmake_minimum_required"></span><a class="reference internal" href="cmake_minimum_required.html#command:cmake_minimum_required" title="cmake_minimum_required"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">cmake_minimum_required()</span></code></a>.
It is important to establish version and policy settings before invoking
other commands whose behavior they may affect and for this reason the
<code class="docutils literal notranslate"><span class="pre">project()</span></code> command will issue a warning if this order is not kept.
See also policy <span class="target" id="index-0-policy:CMP0000"></span><a class="reference internal" href="../policy/CMP0000.html#policy:CMP0000" title="CMP0000"><code class="xref cmake cmake-policy docutils literal notranslate"><span class="pre">CMP0000</span></code></a>.</p>
</div>
</section>
</section>

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    <ul>
<li><a class="reference internal" href="#">project</a><ul>
<li><a class="reference internal" href="#synopsis">Synopsis</a></li>
<li><a class="reference internal" href="#options">Options</a></li>
<li><a class="reference internal" href="#code-injection">Code Injection</a></li>
<li><a class="reference internal" href="#usage">Usage</a></li>
</ul>
</li>
</ul>

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