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<section id="checkfortranfunctionexists">
<span id="module:CheckFortranFunctionExists"></span><h1>CheckFortranFunctionExists<a class="headerlink" href="#checkfortranfunctionexists" title="Permalink to this heading">¶</a></h1>
<p>Check if a Fortran function exists.</p>
<dl class="cmake command">
<dt class="sig sig-object cmake" id="command:check_fortran_function_exists">
<span class="sig-name descname"><span class="pre">CHECK_FORTRAN_FUNCTION_EXISTS</span></span><a class="headerlink" href="#command:check_fortran_function_exists" title="Permalink to this definition">¶</a></dt>
<dd><div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">CHECK_FORTRAN_FUNCTION_EXISTS(</span><span class="nv"><function></span><span class="w"> </span><span class="nv"><result></span><span class="nf">)</span><span class="w"></span>
</pre></div>
</div>
<p>where</p>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre"><function></span></code></dt><dd><p>the name of the Fortran function</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre"><result></span></code></dt><dd><p>variable to store the result; will be created as an internal cache variable.</p>
</dd>
</dl>
</dd></dl>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This command does not detect functions in Fortran modules. In general it is
recommended to use <span class="target" id="index-0-module:CheckSourceCompiles"></span><a class="reference internal" href="CheckSourceCompiles.html#module:CheckSourceCompiles" title="CheckSourceCompiles"><code class="xref cmake cmake-module docutils literal notranslate"><span class="pre">CheckSourceCompiles</span></code></a> instead to determine if a
Fortran function or subroutine is available.</p>
</div>
<p>The following variables may be set before calling this macro to modify
the way the check is run:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">CMAKE_REQUIRED_LINK_OPTIONS</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.14: </span>A <a class="reference internal" href="../manual/cmake-language.7.html#cmake-language-lists"><span class="std std-ref">;-list</span></a> of options to add to the link
command (see <span class="target" id="index-0-command:try_compile"></span><a class="reference internal" href="../command/try_compile.html#command:try_compile" title="try_compile"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">try_compile()</span></code></a> for further details).</p>
</div>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">CMAKE_REQUIRED_LIBRARIES</span></code></dt><dd><p>A <a class="reference internal" href="../manual/cmake-language.7.html#cmake-language-lists"><span class="std std-ref">;-list</span></a> of libraries to add to the link
command. These can be the name of system libraries or they can be
<a class="reference internal" href="../manual/cmake-buildsystem.7.html#imported-targets"><span class="std std-ref">Imported Targets</span></a> (see <span class="target" id="index-1-command:try_compile"></span><a class="reference internal" href="../command/try_compile.html#command:try_compile" title="try_compile"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">try_compile()</span></code></a> for
further details).</p>
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