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<section id="findopenacc">
<span id="module:FindOpenACC"></span><h1>FindOpenACC<a class="headerlink" href="#findopenacc" title="Permalink to this heading">¶</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.10.</span></p>
</div>
<p>Detect OpenACC support by the compiler.</p>
<p>This module can be used to detect OpenACC support in a compiler.
If the compiler supports OpenACC, the flags required to compile with
OpenACC support are returned in variables for the different languages.
Currently, only NVHPC, PGI, GNU and Cray compilers are supported.</p>
<section id="imported-targets">
<h2>Imported Targets<a class="headerlink" href="#imported-targets" title="Permalink to this heading">¶</a></h2>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.16.</span></p>
</div>
<p>The module provides <span class="target" id="index-0-prop_tgt:IMPORTED"></span><a class="reference internal" href="../prop_tgt/IMPORTED.html#prop_tgt:IMPORTED" title="IMPORTED"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">IMPORTED</span></code></a> targets:</p>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC::OpenACC_<lang></span></code></dt><dd><p>Target for using OpenACC from <code class="docutils literal notranslate"><span class="pre"><lang></span></code>.</p>
</dd>
</dl>
</section>
<section id="variables">
<h2>Variables<a class="headerlink" href="#variables" title="Permalink to this heading">¶</a></h2>
<p>The module defines the following variables:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_FOUND</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.25.</span></p>
</div>
<p>Variable indicating that OpenACC flags for at least one languages have been found.</p>
</dd>
</dl>
<p>This module will set the following variables per language in your
project, where <code class="docutils literal notranslate"><span class="pre"><lang></span></code> is one of C, CXX, or Fortran:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_FOUND</span></code></dt><dd><p>Variable indicating if OpenACC support for <code class="docutils literal notranslate"><span class="pre"><lang></span></code> was detected.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_FLAGS</span></code></dt><dd><p>OpenACC compiler flags for <code class="docutils literal notranslate"><span class="pre"><lang></span></code>, separated by spaces.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_OPTIONS</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.16.</span></p>
</div>
<p>OpenACC compiler flags for <code class="docutils literal notranslate"><span class="pre"><lang></span></code>, as a list. Suitable for usage
with target_compile_options or target_link_options.</p>
</dd>
</dl>
<p>The module will also try to provide the OpenACC version variables:</p>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_SPEC_DATE</span></code></dt><dd><p>Date of the OpenACC specification implemented by the <code class="docutils literal notranslate"><span class="pre"><lang></span></code> compiler.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_VERSION_MAJOR</span></code></dt><dd><p>Major version of OpenACC implemented by the <code class="docutils literal notranslate"><span class="pre"><lang></span></code> compiler.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_VERSION_MINOR</span></code></dt><dd><p>Minor version of OpenACC implemented by the <code class="docutils literal notranslate"><span class="pre"><lang></span></code> compiler.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">OpenACC_<lang>_VERSION</span></code></dt><dd><p>OpenACC version implemented by the <code class="docutils literal notranslate"><span class="pre"><lang></span></code> compiler.</p>
</dd>
</dl>
<p>The specification date is formatted as given in the OpenACC standard:
<code class="docutils literal notranslate"><span class="pre">yyyymm</span></code> where <code class="docutils literal notranslate"><span class="pre">yyyy</span></code> and <code class="docutils literal notranslate"><span class="pre">mm</span></code> represents the year and month of
the OpenACC specification implemented by the <code class="docutils literal notranslate"><span class="pre"><lang></span></code> compiler.</p>
</section>
<section id="input-variables">
<h2>Input Variables<a class="headerlink" href="#input-variables" title="Permalink to this heading">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">OpenACC_ACCEL_TARGET=<target></span></code>
If set, will the correct target accelerator flag set to the <target> will
be returned with OpenACC_<lang>_FLAGS.</p>
</section>
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<h3><a href="../index.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">FindOpenACC</a><ul>
<li><a class="reference internal" href="#imported-targets">Imported Targets</a></li>
<li><a class="reference internal" href="#variables">Variables</a></li>
<li><a class="reference internal" href="#input-variables">Input Variables</a></li>
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</li>
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