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| <div class="section" id="gnuinstalldirs"> |
| <span id="module:GNUInstallDirs"></span><h1>GNUInstallDirs<a class="headerlink" href="#gnuinstalldirs" title="Permalink to this headline">¶</a></h1> |
| <p>Define GNU standard installation directories</p> |
| <p>Provides install directory variables as defined by the |
| <a class="reference external" href="https://www.gnu.org/prep/standards/html_node/Directory-Variables.html">GNU Coding Standards</a>.</p> |
| <div class="section" id="result-variables"> |
| <h2>Result Variables<a class="headerlink" href="#result-variables" title="Permalink to this headline">¶</a></h2> |
| <p>Inclusion of this module defines the following variables:</p> |
| <p><code class="docutils literal"><span class="pre">CMAKE_INSTALL_<dir></span></code></p> |
| <blockquote> |
| <div>Destination for files of a given type. This value may be passed to |
| the <code class="docutils literal"><span class="pre">DESTINATION</span></code> options of <span class="target" id="index-0-command:install"></span><a class="reference internal" href="../command/install.html#command:install" title="install"><code class="xref cmake cmake-command docutils literal"><span class="pre">install()</span></code></a> commands for the |
| corresponding file type.</div></blockquote> |
| <p><code class="docutils literal"><span class="pre">CMAKE_INSTALL_FULL_<dir></span></code></p> |
| <blockquote> |
| <div>The absolute path generated from the corresponding <code class="docutils literal"><span class="pre">CMAKE_INSTALL_<dir></span></code> |
| value. If the value is not already an absolute path, an absolute path |
| is constructed typically by prepending the value of the |
| <span class="target" id="index-0-variable:CMAKE_INSTALL_PREFIX"></span><a class="reference internal" href="../variable/CMAKE_INSTALL_PREFIX.html#variable:CMAKE_INSTALL_PREFIX" title="CMAKE_INSTALL_PREFIX"><code class="xref cmake cmake-variable docutils literal"><span class="pre">CMAKE_INSTALL_PREFIX</span></code></a> variable. However, there are some |
| <a class="reference internal" href="#special-cases">special cases</a> as documented below.</div></blockquote> |
| <p>where <code class="docutils literal"><span class="pre"><dir></span></code> is one of:</p> |
| <dl class="docutils"> |
| <dt><code class="docutils literal"><span class="pre">BINDIR</span></code></dt> |
| <dd>user executables (<code class="docutils literal"><span class="pre">bin</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">SBINDIR</span></code></dt> |
| <dd>system admin executables (<code class="docutils literal"><span class="pre">sbin</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">LIBEXECDIR</span></code></dt> |
| <dd>program executables (<code class="docutils literal"><span class="pre">libexec</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">SYSCONFDIR</span></code></dt> |
| <dd>read-only single-machine data (<code class="docutils literal"><span class="pre">etc</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">SHAREDSTATEDIR</span></code></dt> |
| <dd>modifiable architecture-independent data (<code class="docutils literal"><span class="pre">com</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">LOCALSTATEDIR</span></code></dt> |
| <dd>modifiable single-machine data (<code class="docutils literal"><span class="pre">var</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">LIBDIR</span></code></dt> |
| <dd>object code libraries (<code class="docutils literal"><span class="pre">lib</span></code> or <code class="docutils literal"><span class="pre">lib64</span></code> |
| or <code class="docutils literal"><span class="pre">lib/<multiarch-tuple></span></code> on Debian)</dd> |
| <dt><code class="docutils literal"><span class="pre">INCLUDEDIR</span></code></dt> |
| <dd>C header files (<code class="docutils literal"><span class="pre">include</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">OLDINCLUDEDIR</span></code></dt> |
| <dd>C header files for non-gcc (<code class="docutils literal"><span class="pre">/usr/include</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">DATAROOTDIR</span></code></dt> |
| <dd>read-only architecture-independent data root (<code class="docutils literal"><span class="pre">share</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">DATADIR</span></code></dt> |
| <dd>read-only architecture-independent data (<code class="docutils literal"><span class="pre">DATAROOTDIR</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">INFODIR</span></code></dt> |
| <dd>info documentation (<code class="docutils literal"><span class="pre">DATAROOTDIR/info</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">LOCALEDIR</span></code></dt> |
| <dd>locale-dependent data (<code class="docutils literal"><span class="pre">DATAROOTDIR/locale</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">MANDIR</span></code></dt> |
| <dd>man documentation (<code class="docutils literal"><span class="pre">DATAROOTDIR/man</span></code>)</dd> |
| <dt><code class="docutils literal"><span class="pre">DOCDIR</span></code></dt> |
| <dd>documentation root (<code class="docutils literal"><span class="pre">DATAROOTDIR/doc/PROJECT_NAME</span></code>)</dd> |
| </dl> |
| <p>If the includer does not define a value the above-shown default will be |
| used and the value will appear in the cache for editing by the user.</p> |
| </div> |
| <div class="section" id="special-cases"> |
| <h2>Special Cases<a class="headerlink" href="#special-cases" title="Permalink to this headline">¶</a></h2> |
| <p>The following values of <span class="target" id="index-1-variable:CMAKE_INSTALL_PREFIX"></span><a class="reference internal" href="../variable/CMAKE_INSTALL_PREFIX.html#variable:CMAKE_INSTALL_PREFIX" title="CMAKE_INSTALL_PREFIX"><code class="xref cmake cmake-variable docutils literal"><span class="pre">CMAKE_INSTALL_PREFIX</span></code></a> are special:</p> |
| <p><code class="docutils literal"><span class="pre">/</span></code></p> |
| <blockquote> |
| <div><p>For <code class="docutils literal"><span class="pre"><dir></span></code> other than the <code class="docutils literal"><span class="pre">SYSCONFDIR</span></code> and <code class="docutils literal"><span class="pre">LOCALSTATEDIR</span></code>, |
| the value of <code class="docutils literal"><span class="pre">CMAKE_INSTALL_<dir></span></code> is prefixed with <code class="docutils literal"><span class="pre">usr/</span></code> if |
| it is not user-specified as an absolute path. For example, the |
| <code class="docutils literal"><span class="pre">INCLUDEDIR</span></code> value <code class="docutils literal"><span class="pre">include</span></code> becomes <code class="docutils literal"><span class="pre">usr/include</span></code>. |
| This is required by the <a class="reference external" href="https://www.gnu.org/prep/standards/html_node/Directory-Variables.html">GNU Coding Standards</a>, which state:</p> |
| <blockquote> |
| <div>When building the complete GNU system, the prefix will be empty |
| and <code class="docutils literal"><span class="pre">/usr</span></code> will be a symbolic link to <code class="docutils literal"><span class="pre">/</span></code>.</div></blockquote> |
| </div></blockquote> |
| <p><code class="docutils literal"><span class="pre">/usr</span></code></p> |
| <blockquote> |
| <div>For <code class="docutils literal"><span class="pre"><dir></span></code> equal to <code class="docutils literal"><span class="pre">SYSCONFDIR</span></code> or <code class="docutils literal"><span class="pre">LOCALSTATEDIR</span></code>, the |
| <code class="docutils literal"><span class="pre">CMAKE_INSTALL_FULL_<dir></span></code> is computed by prepending just <code class="docutils literal"><span class="pre">/</span></code> |
| to the value of <code class="docutils literal"><span class="pre">CMAKE_INSTALL_<dir></span></code> if it is not user-specified |
| as an absolute path. For example, the <code class="docutils literal"><span class="pre">SYSCONFDIR</span></code> value <code class="docutils literal"><span class="pre">etc</span></code> |
| becomes <code class="docutils literal"><span class="pre">/etc</span></code>. This is required by the <a class="reference external" href="https://www.gnu.org/prep/standards/html_node/Directory-Variables.html">GNU Coding Standards</a>.</div></blockquote> |
| <p><code class="docutils literal"><span class="pre">/opt/...</span></code></p> |
| <blockquote> |
| <div>For <code class="docutils literal"><span class="pre"><dir></span></code> equal to <code class="docutils literal"><span class="pre">SYSCONFDIR</span></code> or <code class="docutils literal"><span class="pre">LOCALSTATEDIR</span></code>, the |
| <code class="docutils literal"><span class="pre">CMAKE_INSTALL_FULL_<dir></span></code> is computed by <em>appending</em> the prefix |
| to the value of <code class="docutils literal"><span class="pre">CMAKE_INSTALL_<dir></span></code> if it is not user-specified |
| as an absolute path. For example, the <code class="docutils literal"><span class="pre">SYSCONFDIR</span></code> value <code class="docutils literal"><span class="pre">etc</span></code> |
| becomes <code class="docutils literal"><span class="pre">/etc/opt/...</span></code>. This is defined by the |
| <a class="reference external" href="https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html">Filesystem Hierarchy Standard</a>.</div></blockquote> |
| </div> |
| <div class="section" id="macros"> |
| <h2>Macros<a class="headerlink" href="#macros" title="Permalink to this headline">¶</a></h2> |
| <dl class="command"> |
| <dt id="command:gnuinstalldirs_get_absolute_install_dir"> |
| <code class="descname">GNUInstallDirs_get_absolute_install_dir</code><a class="headerlink" href="#command:gnuinstalldirs_get_absolute_install_dir" title="Permalink to this definition">¶</a></dt> |
| <dd><div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">GNUInstallDirs_get_absolute_install_dir</span><span class="p">(</span><span class="n">absvar</span> <span class="n">var</span><span class="p">)</span> |
| </pre></div> |
| </div> |
| <p>Set the given variable <code class="docutils literal"><span class="pre">absvar</span></code> to the absolute path contained |
| within the variable <code class="docutils literal"><span class="pre">var</span></code>. This is to allow the computation of an |
| absolute path, accounting for all the special cases documented |
| above. While this macro is used to compute the various |
| <code class="docutils literal"><span class="pre">CMAKE_INSTALL_FULL_<dir></span></code> variables, it is exposed publicly to |
| allow users who create additional path variables to also compute |
| absolute paths where necessary, using the same logic.</p> |
| </dd></dl> |
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| <li><a class="reference internal" href="#">GNUInstallDirs</a><ul> |
| <li><a class="reference internal" href="#result-variables">Result Variables</a></li> |
| <li><a class="reference internal" href="#special-cases">Special Cases</a></li> |
| <li><a class="reference internal" href="#macros">Macros</a></li> |
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