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<div class="section" id="cmake-policy-default-cmp-nnnn">
<span id="variable:CMAKE_POLICY_DEFAULT_CMP<NNNN>"></span><h1>CMAKE_POLICY_DEFAULT_CMP&lt;NNNN&gt;<a class="headerlink" href="#cmake-policy-default-cmp-nnnn" title="Permalink to this headline">ΒΆ</a></h1>
<p>Default for CMake Policy <code class="docutils literal"><span class="pre">CMP&lt;NNNN&gt;</span></code> when it is otherwise left unset.</p>
<p>Commands <span class="target" id="index-0-command:cmake_minimum_required"></span><a class="reference internal" href="../command/cmake_minimum_required.html#command:cmake_minimum_required" title="cmake_minimum_required"><code class="xref cmake cmake-command docutils literal"><span class="pre">cmake_minimum_required(VERSION)</span></code></a> and
<span class="target" id="index-0-command:cmake_policy"></span><a class="reference internal" href="../command/cmake_policy.html#command:cmake_policy" title="cmake_policy"><code class="xref cmake cmake-command docutils literal"><span class="pre">cmake_policy(VERSION)</span></code></a> by default leave policies introduced after
the given version unset. Set <code class="docutils literal"><span class="pre">CMAKE_POLICY_DEFAULT_CMP&lt;NNNN&gt;</span></code> to <code class="docutils literal"><span class="pre">OLD</span></code>
or <code class="docutils literal"><span class="pre">NEW</span></code> to specify the default for policy <code class="docutils literal"><span class="pre">CMP&lt;NNNN&gt;</span></code>, where <code class="docutils literal"><span class="pre">&lt;NNNN&gt;</span></code>
is the policy number.</p>
<p>This variable should not be set by a project in CMake code; use
<span class="target" id="index-1-command:cmake_policy"></span><a class="reference internal" href="../command/cmake_policy.html#command:cmake_policy" title="cmake_policy"><code class="xref cmake cmake-command docutils literal"><span class="pre">cmake_policy(SET)</span></code></a> instead. Users running CMake may set this
variable in the cache (e.g. <code class="docutils literal"><span class="pre">-DCMAKE_POLICY_DEFAULT_CMP&lt;NNNN&gt;=&lt;OLD|NEW&gt;</span></code>)
to set a policy not otherwise set by the project. Set to <code class="docutils literal"><span class="pre">OLD</span></code> to quiet a
policy warning while using old behavior or to <code class="docutils literal"><span class="pre">NEW</span></code> to try building the
project with new behavior.</p>
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