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<div class="section" id="ecmpackageconfighelpers">
<span id="module:ECMPackageConfigHelpers"></span><h1>ECMPackageConfigHelpers<a class="headerlink" href="#ecmpackageconfighelpers" title="Permalink to this headline">¶</a></h1>
<p>Helper macros for generating CMake package config files.</p>
<p><code class="docutils literal notranslate"><span class="pre">write_basic_package_version_file()</span></code> is the same as the one provided by the
<a class="reference external" href="https://www.cmake.org/cmake/help/v2.8.12/cmake.html#module:CMakePackageConfigHelpers">CMakePackageConfigHelpers</a>
module in CMake; see that module’s documentation for
more information.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">ecm_configure_package_config_file</span><span class="p">(</span><span class="o"><</span><span class="nb">input</span><span class="o">></span> <span class="o"><</span><span class="n">output</span><span class="o">></span>
<span class="n">INSTALL_DESTINATION</span> <span class="o"><</span><span class="n">path</span><span class="o">></span>
<span class="p">[</span><span class="n">PATH_VARS</span> <span class="o"><</span><span class="n">var1</span><span class="o">></span> <span class="p">[</span><span class="o"><</span><span class="n">var2</span><span class="o">></span> <span class="p">[</span><span class="o">...</span><span class="p">]]</span>
<span class="p">[</span><span class="n">NO_SET_AND_CHECK_MACRO</span><span class="p">]</span>
<span class="p">[</span><span class="n">NO_CHECK_REQUIRED_COMPONENTS_MACRO</span><span class="p">])</span>
</pre></div>
</div>
<p>This behaves in the same way as configure_package_config_file() from CMake
2.8.12, except that it adds an extra helper macro: find_dependency(). It is
highly recommended that you read the <a class="reference external" href="https://www.cmake.org/cmake/help/v2.8.12/cmake.html#module:CMakePackageConfigHelpers">documentation for
CMakePackageConfigHelpers</a>
for more information, particularly with regard to the PATH_VARS argument.</p>
<p>Note that there is no argument that will disable the find_dependency() macro;
if you do not require this macro, you should use
<code class="docutils literal notranslate"><span class="pre">configure_package_config_file</span></code> from the CMakePackageConfigHelpers module.</p>
<p>CMake 3.0 includes a CMakeFindDependencyMacro module that provides the
find_dependency() macro (which you can <code class="docutils literal notranslate"><span class="pre">include()</span></code> in your package config
file), so this file is only useful for projects wishing to provide config
files that will work with CMake 2.8.12.</p>
<div class="section" id="additional-config-file-macros">
<h2>Additional Config File Macros<a class="headerlink" href="#additional-config-file-macros" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">find_dependency</span><span class="p">(</span><span class="o"><</span><span class="n">dep</span><span class="o">></span> <span class="p">[</span><span class="o"><</span><span class="n">version</span><span class="o">></span> <span class="p">[</span><span class="n">EXACT</span><span class="p">]])</span>
</pre></div>
</div>
<p>find_dependency() should be used instead of find_package() to find package
dependencies. It forwards the correct parameters for EXACT, QUIET and
REQUIRED which were passed to the original find_package() call. It also sets
an informative diagnostic message if the dependency could not be found.</p>
<p>Since pre-1.0.0.</p>
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<li><a class="reference internal" href="#">ECMPackageConfigHelpers</a><ul>
<li><a class="reference internal" href="#additional-config-file-macros">Additional Config File Macros</a></li>
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