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| <div class="section" id="cmp0104"> |
| <span id="policy:CMP0104"></span><h1>CMP0104<a class="headerlink" href="#cmp0104" title="Permalink to this headline">¶</a></h1> |
| <div class="versionadded"> |
| <p><span class="versionmodified added">New in version 3.18.</span></p> |
| </div> |
| <p>Initialize <span class="target" id="index-0-variable:CMAKE_CUDA_ARCHITECTURES"></span><a class="reference internal" href="../variable/CMAKE_CUDA_ARCHITECTURES.html#variable:CMAKE_CUDA_ARCHITECTURES" title="CMAKE_CUDA_ARCHITECTURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_ARCHITECTURES</span></code></a> when |
| <span class="target" id="index-0-variable:CMAKE_<LANG>_COMPILER_ID"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER_ID.html#variable:CMAKE_<LANG>_COMPILER_ID" title="CMAKE_<LANG>_COMPILER_ID"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER_ID</span></code></a> is <code class="docutils literal notranslate"><span class="pre">NVIDIA</span></code>. |
| Raise an error if <span class="target" id="index-0-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> is empty.</p> |
| <p><span class="target" id="index-1-variable:CMAKE_CUDA_ARCHITECTURES"></span><a class="reference internal" href="../variable/CMAKE_CUDA_ARCHITECTURES.html#variable:CMAKE_CUDA_ARCHITECTURES" title="CMAKE_CUDA_ARCHITECTURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_ARCHITECTURES</span></code></a> introduced in CMake 3.18 is used to |
| initialize <span class="target" id="index-1-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a>, which passes correct code generation |
| flags to the CUDA compiler.</p> |
| <p>Previous to this users had to manually specify the code generation flags. This |
| policy is for backwards compatibility with manually specifying code generation |
| flags.</p> |
| <p>The <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior for this policy is to not initialize |
| <span class="target" id="index-2-variable:CMAKE_CUDA_ARCHITECTURES"></span><a class="reference internal" href="../variable/CMAKE_CUDA_ARCHITECTURES.html#variable:CMAKE_CUDA_ARCHITECTURES" title="CMAKE_CUDA_ARCHITECTURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_ARCHITECTURES</span></code></a> when |
| <span class="target" id="index-1-variable:CMAKE_<LANG>_COMPILER_ID"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER_ID.html#variable:CMAKE_<LANG>_COMPILER_ID" title="CMAKE_<LANG>_COMPILER_ID"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER_ID</span></code></a> is <code class="docutils literal notranslate"><span class="pre">NVIDIA</span></code>. |
| Empty <span class="target" id="index-2-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> is allowed.</p> |
| <p>The <code class="docutils literal notranslate"><span class="pre">NEW</span></code> behavior of this policy is to initialize |
| <span class="target" id="index-3-variable:CMAKE_CUDA_ARCHITECTURES"></span><a class="reference internal" href="../variable/CMAKE_CUDA_ARCHITECTURES.html#variable:CMAKE_CUDA_ARCHITECTURES" title="CMAKE_CUDA_ARCHITECTURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_ARCHITECTURES</span></code></a> when |
| <span class="target" id="index-2-variable:CMAKE_<LANG>_COMPILER_ID"></span><a class="reference internal" href="../variable/CMAKE_LANG_COMPILER_ID.html#variable:CMAKE_<LANG>_COMPILER_ID" title="CMAKE_<LANG>_COMPILER_ID"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER_ID</span></code></a> is <code class="docutils literal notranslate"><span class="pre">NVIDIA</span></code> |
| and raise an error if <span class="target" id="index-3-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> is empty during generation.</p> |
| <p>If <span class="target" id="index-4-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> is set to a false value no architectures |
| flags are passed to the compiler. This is intended to support packagers and |
| the rare cases where full control over the passed flags is required.</p> |
| <p>This policy was introduced in CMake version 3.18. 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> |
| </div> |
| <div class="section" id="examples"> |
| <h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2> |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">set_target_properties(</span><span class="nb">tgt</span><span class="w"> </span><span class="no">PROPERTIES</span><span class="w"> </span><span class="no">CUDA_ARCHITECTURES</span><span class="w"> </span><span class="s">"35;50;72"</span><span class="nf">)</span><span class="w"></span> |
| </pre></div> |
| </div> |
| <p>Generates code for real and virtual architectures <code class="docutils literal notranslate"><span class="pre">30</span></code>, <code class="docutils literal notranslate"><span class="pre">50</span></code> and <code class="docutils literal notranslate"><span class="pre">72</span></code>.</p> |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">set_property(</span><span class="no">TARGET</span><span class="w"> </span><span class="nb">tgt</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"> </span><span class="no">CUDA_ARCHITECTURES</span><span class="w"> </span><span class="m">70</span><span class="p">-</span><span class="nb">real</span><span class="w"> </span><span class="m">72</span><span class="p">-</span><span class="nb">virtual</span><span class="nf">)</span><span class="w"></span> |
| </pre></div> |
| </div> |
| <p>Generates code for real architecture <code class="docutils literal notranslate"><span class="pre">70</span></code> and virtual architecture <code class="docutils literal notranslate"><span class="pre">72</span></code>.</p> |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">set_property(</span><span class="no">TARGET</span><span class="w"> </span><span class="nb">tgt</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"> </span><span class="no">CUDA_ARCHITECTURES</span><span class="w"> </span><span class="no">OFF</span><span class="nf">)</span><span class="w"></span> |
| </pre></div> |
| </div> |
| <p>CMake will not pass any architecture flags to the compiler.</p> |
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| <li><a class="reference internal" href="#">CMP0104</a><ul> |
| <li><a class="reference internal" href="#examples">Examples</a></li> |
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