File size: 9,870 Bytes
2a4f7a3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 |
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
<title>enable_language — CMake 3.27.9 Documentation</title>
<link rel="stylesheet" type="text/css" href="../_static/pygments.css" />
<link rel="stylesheet" type="text/css" href="../_static/cmake.css" />
<script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
<script src="../_static/jquery.js"></script>
<script src="../_static/underscore.js"></script>
<script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
<script src="../_static/doctools.js"></script>
<script src="../_static/sphinx_highlight.js"></script>
<link rel="shortcut icon" href="../_static/cmake-favicon.ico"/>
<link rel="index" title="Index" href="../genindex.html" />
<link rel="search" title="Search" href="../search.html" />
<link rel="next" title="enable_testing" href="enable_testing.html" />
<link rel="prev" title="define_property" href="define_property.html" />
</head><body>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="enable_testing.html" title="enable_testing"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="define_property.html" title="define_property"
accesskey="P">previous</a> |</li>
<li>
<img src="../_static/cmake-logo-16.png" alt=""
style="vertical-align: middle; margin-top: -2px" />
</li>
<li>
<a href="https://cmake.org/">CMake</a> »
</li>
<li>
<a href="../index.html">3.27.9 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="../manual/cmake-commands.7.html" accesskey="U">cmake-commands(7)</a> »</li>
<li class="nav-item nav-item-this"><a href="">enable_language</a></li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body" role="main">
<section id="enable-language">
<span id="command:enable_language"></span><h1>enable_language<a class="headerlink" href="#enable-language" title="Permalink to this heading">¶</a></h1>
<p>Enable languages (CXX/C/OBJC/OBJCXX/Fortran/etc)</p>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">enable_language(</span><span class="nv"><lang>...</span><span class="w"> </span><span class="p">[</span><span class="no">OPTIONAL</span><span class="p">]</span><span class="nf">)</span>
</pre></div>
</div>
<p>Enables support for the named languages in CMake. This is the same as
the <span class="target" id="index-0-command:project"></span><a class="reference internal" href="project.html#command:project" title="project"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">project()</span></code></a> command but does not create any of the extra
variables that are created by the project command.</p>
<p>Supported languages are <code class="docutils literal notranslate"><span class="pre">C</span></code>, <code class="docutils literal notranslate"><span class="pre">CXX</span></code> (i.e. C++), <code class="docutils literal notranslate"><span class="pre">CSharp</span></code> (i.e. C#), <code class="docutils literal notranslate"><span class="pre">CUDA</span></code>,
<code class="docutils literal notranslate"><span class="pre">OBJC</span></code> (i.e. Objective-C), <code class="docutils literal notranslate"><span class="pre">OBJCXX</span></code> (i.e. Objective-C++), <code class="docutils literal notranslate"><span class="pre">Fortran</span></code>, <code class="docutils literal notranslate"><span class="pre">HIP</span></code>,
<code class="docutils literal notranslate"><span class="pre">ISPC</span></code>, <code class="docutils literal notranslate"><span class="pre">Swift</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_NASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_MARMASM</span></code>, <code class="docutils literal notranslate"><span class="pre">ASM_MASM</span></code>, and <code class="docutils literal notranslate"><span class="pre">ASM-ATT</span></code>.</p>
<blockquote>
<div><div class="versionadded">
<p><span class="versionmodified added">New in version 3.8: </span>Added <code class="docutils literal notranslate"><span class="pre">CSharp</span></code> and <code class="docutils literal notranslate"><span class="pre">CUDA</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.15: </span>Added <code class="docutils literal notranslate"><span class="pre">Swift</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.16: </span>Added <code class="docutils literal notranslate"><span class="pre">OBJC</span></code> and <code class="docutils literal notranslate"><span class="pre">OBJCXX</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.18: </span>Added <code class="docutils literal notranslate"><span class="pre">ISPC</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.21: </span>Added <code class="docutils literal notranslate"><span class="pre">HIP</span></code> support.</p>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.26: </span>Added <code class="docutils literal notranslate"><span class="pre">ASM_MARMASM</span></code> support.</p>
</div>
</div></blockquote>
<p>If enabling <code class="docutils literal notranslate"><span class="pre">ASM</span></code>, list it last so that CMake can check whether
compilers for other languages like <code class="docutils literal notranslate"><span class="pre">C</span></code> work for assembly too.</p>
<p>This command must be called in file scope, not in a function call.
Furthermore, it must be called in the highest directory common to all
targets using the named language directly for compiling sources or
indirectly through link dependencies. It is simplest to enable all
needed languages in the top-level directory of a project.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">OPTIONAL</span></code> keyword is a placeholder for future implementation and
does not currently work. Instead you can use the <span class="target" id="index-0-module:CheckLanguage"></span><a class="reference internal" href="../module/CheckLanguage.html#module:CheckLanguage" title="CheckLanguage"><code class="xref cmake cmake-module docutils literal notranslate"><span class="pre">CheckLanguage</span></code></a>
module to verify support before enabling.</p>
</section>
<div class="clearer"></div>
</div>
</div>
</div>
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
<div class="sphinxsidebarwrapper">
<div>
<h4>Previous topic</h4>
<p class="topless"><a href="define_property.html"
title="previous chapter">define_property</a></p>
</div>
<div>
<h4>Next topic</h4>
<p class="topless"><a href="enable_testing.html"
title="next chapter">enable_testing</a></p>
</div>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../_sources/command/enable_language.rst.txt"
rel="nofollow">Show Source</a></li>
</ul>
</div>
<div id="searchbox" style="display: none" role="search">
<h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper">
<form class="search" action="../search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" />
</form>
</div>
</div>
<script>document.getElementById('searchbox').style.display = "block"</script>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="enable_testing.html" title="enable_testing"
>next</a> |</li>
<li class="right" >
<a href="define_property.html" title="define_property"
>previous</a> |</li>
<li>
<img src="../_static/cmake-logo-16.png" alt=""
style="vertical-align: middle; margin-top: -2px" />
</li>
<li>
<a href="https://cmake.org/">CMake</a> »
</li>
<li>
<a href="../index.html">3.27.9 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="../manual/cmake-commands.7.html" >cmake-commands(7)</a> »</li>
<li class="nav-item nav-item-this"><a href="">enable_language</a></li>
</ul>
</div>
<div class="footer" role="contentinfo">
© Copyright 2000-2023 Kitware, Inc. and Contributors.
Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 5.3.0.
</div>
</body>
</html> |