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| <span id="policy:CMP0062"></span><h1>CMP0062<a class="headerlink" href="#cmp0062" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Disallow install() of export() result.</p> |
| <p>The <span class="target" id="index-0-command:export"></span><a class="reference internal" href="../command/export.html#command:export" title="export"><code class="xref cmake cmake-command docutils literal"><span class="pre">export()</span></code></a> command generates a file containing |
| <a class="reference internal" href="../manual/cmake-buildsystem.7.html#imported-targets"><span class="std std-ref">Imported Targets</span></a>, which is suitable for use from the build |
| directory. It is not suitable for installation because it contains absolute |
| paths to buildsystem locations, and is particular to a single build |
| configuration.</p> |
| <p>The <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(EXPORT)</span></code></a> generates and installs files which contain |
| <a class="reference internal" href="../manual/cmake-buildsystem.7.html#imported-targets"><span class="std std-ref">Imported Targets</span></a>. These files are generated with relative paths |
| (unless the user specifies absolute paths), and are designed for |
| multi-configuration use. See <a class="reference internal" href="../manual/cmake-packages.7.html#creating-packages"><span class="std std-ref">Creating Packages</span></a> for more.</p> |
| <p>CMake 3.3 no longer allows the use of the <span class="target" id="index-1-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(FILES)</span></code></a> command |
| with the result of the <span class="target" id="index-1-command:export"></span><a class="reference internal" href="../command/export.html#command:export" title="export"><code class="xref cmake cmake-command docutils literal"><span class="pre">export()</span></code></a> command.</p> |
| <p>The <code class="docutils literal"><span class="pre">OLD</span></code> behavior for this policy is to allow installing the result of |
| an <span class="target" id="index-2-command:export"></span><a class="reference internal" href="../command/export.html#command:export" title="export"><code class="xref cmake cmake-command docutils literal"><span class="pre">export()</span></code></a> command. The <code class="docutils literal"><span class="pre">NEW</span></code> behavior for this policy is |
| not to allow installing the result of an <span class="target" id="index-3-command:export"></span><a class="reference internal" href="../command/export.html#command:export" title="export"><code class="xref cmake cmake-command docutils literal"><span class="pre">export()</span></code></a> command.</p> |
| <p>This policy was introduced in CMake version 3.3. CMake version |
| 3.8.2 warns when the policy is not set and uses <code class="docutils literal"><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"><span class="pre">cmake_policy()</span></code></a> command to set it to <code class="docutils literal"><span class="pre">OLD</span></code> or <code class="docutils literal"><span class="pre">NEW</span></code> |
| explicitly.</p> |
| <div class="admonition note"> |
| <p class="first admonition-title">Note</p> |
| <p class="last">The <code class="docutils literal"><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"><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> |
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