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| <div class="section" id="target-compile-features"> | |
| <span id="command:target_compile_features"></span><h1>target_compile_features<a class="headerlink" href="#target-compile-features" title="Permalink to this headline">ΒΆ</a></h1> | |
| <div class="versionadded"> | |
| <p><span class="versionmodified added">New in version 3.1.</span></p> | |
| </div> | |
| <p>Add expected compiler features to a target.</p> | |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">target_compile_features(</span><span class="nv"><target></span><span class="w"> </span><span class="o"><</span><span class="no">PRIVATE</span><span class="p">|</span><span class="no">PUBLIC</span><span class="p">|</span><span class="no">INTERFACE</span><span class="o">></span><span class="w"> </span><span class="nv"><feature></span><span class="w"> </span><span class="p">[...]</span><span class="nf">)</span><span class="w"></span> | |
| </pre></div> | |
| </div> | |
| <p>Specifies compiler features required when compiling a given target. If the | |
| feature is not listed in the <span class="target" id="index-0-variable:CMAKE_C_COMPILE_FEATURES"></span><a class="reference internal" href="../variable/CMAKE_C_COMPILE_FEATURES.html#variable:CMAKE_C_COMPILE_FEATURES" title="CMAKE_C_COMPILE_FEATURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_C_COMPILE_FEATURES</span></code></a>, | |
| <span class="target" id="index-0-variable:CMAKE_CUDA_COMPILE_FEATURES"></span><a class="reference internal" href="../variable/CMAKE_CUDA_COMPILE_FEATURES.html#variable:CMAKE_CUDA_COMPILE_FEATURES" title="CMAKE_CUDA_COMPILE_FEATURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILE_FEATURES</span></code></a>, or <span class="target" id="index-0-variable:CMAKE_CXX_COMPILE_FEATURES"></span><a class="reference internal" href="../variable/CMAKE_CXX_COMPILE_FEATURES.html#variable:CMAKE_CXX_COMPILE_FEATURES" title="CMAKE_CXX_COMPILE_FEATURES"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CXX_COMPILE_FEATURES</span></code></a> | |
| variables, then an error will be reported by CMake. If the use of the feature requires | |
| an additional compiler flag, such as <code class="docutils literal notranslate"><span class="pre">-std=gnu++11</span></code>, the flag will be added | |
| automatically.</p> | |
| <p>The <code class="docutils literal notranslate"><span class="pre">INTERFACE</span></code>, <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code> and <code class="docutils literal notranslate"><span class="pre">PRIVATE</span></code> keywords are required to | |
| specify the scope of the features. <code class="docutils literal notranslate"><span class="pre">PRIVATE</span></code> and <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code> items will | |
| populate the <span class="target" id="index-0-prop_tgt:COMPILE_FEATURES"></span><a class="reference internal" href="../prop_tgt/COMPILE_FEATURES.html#prop_tgt:COMPILE_FEATURES" title="COMPILE_FEATURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_FEATURES</span></code></a> property of <code class="docutils literal notranslate"><span class="pre"><target></span></code>. | |
| <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code> and <code class="docutils literal notranslate"><span class="pre">INTERFACE</span></code> items will populate the | |
| <span class="target" id="index-0-prop_tgt:INTERFACE_COMPILE_FEATURES"></span><a class="reference internal" href="../prop_tgt/INTERFACE_COMPILE_FEATURES.html#prop_tgt:INTERFACE_COMPILE_FEATURES" title="INTERFACE_COMPILE_FEATURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">INTERFACE_COMPILE_FEATURES</span></code></a> property of <code class="docutils literal notranslate"><span class="pre"><target></span></code>. | |
| Repeated calls for the same <code class="docutils literal notranslate"><span class="pre"><target></span></code> append items.</p> | |
| <div class="versionadded"> | |
| <p><span class="versionmodified added">New in version 3.11: </span>Allow setting <code class="docutils literal notranslate"><span class="pre">INTERFACE</span></code> items on <a class="reference internal" href="../manual/cmake-buildsystem.7.html#imported-targets"><span class="std std-ref">IMPORTED targets</span></a>.</p> | |
| </div> | |
| <p>The named <code class="docutils literal notranslate"><span class="pre"><target></span></code> must have been created by a command such as | |
| <span class="target" id="index-0-command:add_executable"></span><a class="reference internal" href="add_executable.html#command:add_executable" title="add_executable"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_executable()</span></code></a> or <span class="target" id="index-0-command:add_library"></span><a class="reference internal" href="add_library.html#command:add_library" title="add_library"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_library()</span></code></a> and must not be an | |
| <a class="reference internal" href="../manual/cmake-buildsystem.7.html#alias-targets"><span class="std std-ref">ALIAS target</span></a>.</p> | |
| <p>Arguments to <code class="docutils literal notranslate"><span class="pre">target_compile_features</span></code> may use "generator expressions" | |
| with the syntax <code class="docutils literal notranslate"><span class="pre">$<...></span></code>. | |
| See the <span class="target" id="index-0-manual:cmake-generator-expressions(7)"></span><a class="reference internal" href="../manual/cmake-generator-expressions.7.html#manual:cmake-generator-expressions(7)" title="cmake-generator-expressions(7)"><code class="xref cmake cmake-manual docutils literal notranslate"><span class="pre">cmake-generator-expressions(7)</span></code></a> manual for available | |
| expressions. See the <span class="target" id="index-0-manual:cmake-compile-features(7)"></span><a class="reference internal" href="../manual/cmake-compile-features.7.html#manual:cmake-compile-features(7)" title="cmake-compile-features(7)"><code class="xref cmake cmake-manual docutils literal notranslate"><span class="pre">cmake-compile-features(7)</span></code></a> manual for | |
| information on compile features and a list of supported compilers.</p> | |
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