Sindbad~EG File Manager
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<section id="cmp0143">
<span id="policy:CMP0143"></span><h1>CMP0143<a class="headerlink" href="#cmp0143" title="Permalink to this heading">ΒΆ</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.26.</span></p>
</div>
<p><span class="target" id="index-0-prop_gbl:USE_FOLDERS"></span><a class="reference internal" href="../prop_gbl/USE_FOLDERS.html#prop_gbl:USE_FOLDERS" title="USE_FOLDERS"><code class="xref cmake cmake-prop_gbl docutils literal notranslate"><span class="pre">USE_FOLDERS</span></code></a> global property is treated as <code class="docutils literal notranslate"><span class="pre">ON</span></code> by default.</p>
<p>When using CMake 3.25 or earlier, <span class="target" id="index-1-prop_gbl:USE_FOLDERS"></span><a class="reference internal" href="../prop_gbl/USE_FOLDERS.html#prop_gbl:USE_FOLDERS" title="USE_FOLDERS"><code class="xref cmake cmake-prop_gbl docutils literal notranslate"><span class="pre">USE_FOLDERS</span></code></a> is treated
as <code class="docutils literal notranslate"><span class="pre">OFF</span></code> by default unless projects enable the feature. For example:</p>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">cmake_minimum_required(</span><span class="no">VERSION</span><span class="w"> </span><span class="m">3.25</span><span class="nf">)</span><span class="w"></span>
<span class="nf">project(</span><span class="nb">foobar</span><span class="w"> </span><span class="no">LANGUAGES</span><span class="w"> </span><span class="no">CXX</span><span class="nf">)</span><span class="w"></span>
<span class="nf">set_property(</span><span class="no">GLOBAL</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"> </span><span class="no">USE_FOLDERS</span><span class="w"> </span><span class="no">ON</span><span class="nf">)</span><span class="w"></span>
</pre></div>
</div>
<p>CMake 3.26 and later prefer to enable the feature by default.</p>
<p>Note that it is the policy setting at the <cite>end</cite> of the top level
<code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code> file that matters. The policy setting applies globally
to the whole project.</p>
<p>This policy provides compatibility with projects that have not been updated
to expect enabling of folders. Enabling folders causes projects to appear
differently in IDEs. The policy was introduced in CMake version 3.26. Use the
<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 notranslate"><span class="pre">cmake_policy()</span></code></a> command to set it to <code class="docutils literal notranslate"><span class="pre">OLD</span></code> or <code class="docutils literal notranslate"><span class="pre">NEW</span></code> explicitly.
Unlike many policies, CMake version 3.26.5 does <em>not</em> warn
when this policy is not set and simply uses <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior of a policy is
<span class="target" id="index-0-manual:cmake-policies(7)"></span><a class="reference internal" href="../manual/cmake-policies.7.html#manual:cmake-policies(7)" title="cmake-policies(7)"><code class="xref cmake cmake-manual docutils literal notranslate"><span class="pre">deprecated</span> <span class="pre">by</span> <span class="pre">definition</span></code></a>
and may be removed in a future version of CMake.</p>
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