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<div class="section" id="cmp0109">
<span id="policy:CMP0109"></span><h1>CMP0109<a class="headerlink" href="#cmp0109" title="Permalink to this headline">ΒΆ</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.19.</span></p>
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<p><span class="target" id="index-0-command:find_program"></span><a class="reference internal" href="../command/find_program.html#command:find_program" title="find_program"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">find_program()</span></code></a> requires permission to execute but not to read.</p>
<p>In CMake 3.18 and below, the <span class="target" id="index-1-command:find_program"></span><a class="reference internal" href="../command/find_program.html#command:find_program" title="find_program"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">find_program()</span></code></a> command on UNIX
would find files that are readable without requiring execute permission,
and would not find files that are executable without read permission.
In CMake 3.19 and above, <code class="docutils literal notranslate"><span class="pre">find_program</span></code> now prefers to require execute
permission but not read permission. This policy provides compatibility
with 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 for <code class="docutils literal notranslate"><span class="pre">find_program</span></code> to require
read permission but not execute permission.
The <code class="docutils literal notranslate"><span class="pre">NEW</span></code> behavior for this policy is for <code class="docutils literal notranslate"><span class="pre">find_program</span></code> to require
execute permission but not read permission.</p>
<p>This policy was introduced in CMake version 3.19. CMake version 3.23.1
warns when the policy is not set and uses <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior. 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.</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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