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<span id="policy:CMP0101"></span><h1>CMP0101<a class="headerlink" href="#cmp0101" title="Permalink to this headline">ΒΆ</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.17.</span></p>
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<p><span class="target" id="index-0-command:target_compile_options"></span><a class="reference internal" href="../command/target_compile_options.html#command:target_compile_options" title="target_compile_options"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">target_compile_options()</span></code></a> now honors <code class="docutils literal notranslate"><span class="pre">BEFORE</span></code> keyword in all scopes.</p>
<p>In CMake 3.16 and below the <span class="target" id="index-1-command:target_compile_options"></span><a class="reference internal" href="../command/target_compile_options.html#command:target_compile_options" title="target_compile_options"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">target_compile_options()</span></code></a> ignores the
<code class="docutils literal notranslate"><span class="pre">BEFORE</span></code> keyword in private scope. CMake 3.17 and later honors
<code class="docutils literal notranslate"><span class="pre">BEFORE</span></code> keyword in all scopes. This policy provides compatibility for
projects that have not been updated to expect the new behavior.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior for this policy is to not honor <code class="docutils literal notranslate"><span class="pre">BEFORE</span></code> keyword in
private scope. The <code class="docutils literal notranslate"><span class="pre">NEW</span></code> behavior of this policy is to honor
<code class="docutils literal notranslate"><span class="pre">BEFORE</span></code> keyword in all scopes.</p>
<p>This policy was introduced in CMake version 3.17. 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 3.23.1 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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