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   <div class="section" id="cudacxx">
 <span id="envvar:CUDACXX"></span><h1>CUDACXX<a class="headerlink" href="#cudacxx" title="Permalink to this headline">¶</a></h1>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.8.</span></p>
 </div>
 <p>This is a CMake <a class="reference internal" href="../manual/cmake-language.7.html#cmake-language-environment-variables"><span class="std std-ref">Environment Variable</span></a>. Its initial value is taken from
 the calling process environment.</p>
 <p>Preferred executable for compiling <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> language files. Will only be used by
 CMake on the first configuration to determine <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> compiler, after which the
 value for <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> is stored in the cache as
 <span class="target" id="index-0-variable:CMAKE_&lt;LANG&gt;_COMPILER"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER.html#variable:CMAKE_&lt;LANG&gt;_COMPILER" title="CMAKE_&lt;LANG&gt;_COMPILER"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER</span></code></a>. For any configuration
 run (including the first), the environment variable will be ignored if the
 <span class="target" id="index-1-variable:CMAKE_&lt;LANG&gt;_COMPILER"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER.html#variable:CMAKE_&lt;LANG&gt;_COMPILER" title="CMAKE_&lt;LANG&gt;_COMPILER"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER</span></code></a> variable is defined.</p>
 <div class="admonition note">
 <p class="admonition-title">Note</p>
 <p>Options that are required to make the compiler work correctly can be included;
 they can not be changed.</p>
 </div>
 <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$</span> <span class="nb">export</span> <span class="nv">CUDACXX</span><span class="o">=</span><span class="s2">&quot;custom-compiler --arg1 --arg2&quot;</span>
 </pre></div>
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	<div class="section" id="cudacxx">
	<span id="envvar:CUDACXX"></span><h1>CUDACXX<a class="headerlink" href="#cudacxx" title="Permalink to this headline">¶</a></h1>
	<div class="versionadded">
	<p><span class="versionmodified added">New in version 3.8.</span></p>
	</div>
	<p>This is a CMake <a class="reference internal" href="../manual/cmake-language.7.html#cmake-language-environment-variables"><span class="std std-ref">Environment Variable</span></a>. Its initial value is taken from
	the calling process environment.</p>
	<p>Preferred executable for compiling <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> language files. Will only be used by
	CMake on the first configuration to determine <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> compiler, after which the
	value for <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> is stored in the cache as
	<span class="target" id="index-0-variable:CMAKE_<LANG>_COMPILER"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER.html#variable:CMAKE_<LANG>_COMPILER" title="CMAKE_<LANG>_COMPILER"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER</span></code></a>. For any configuration
	run (including the first), the environment variable will be ignored if the
	<span class="target" id="index-1-variable:CMAKE_<LANG>_COMPILER"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER.html#variable:CMAKE_<LANG>_COMPILER" title="CMAKE_<LANG>_COMPILER"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER</span></code></a> variable is defined.</p>
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	they can not be changed.</p>
	</div>
	<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$</span> <span class="nb">export</span> <span class="nv">CUDACXX</span><span class="o">=</span><span class="s2">"custom-compiler --arg1 --arg2"</span>
	</pre></div>
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