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| <span id="prop_gbl:ALLOW_DUPLICATE_CUSTOM_TARGETS"></span><h1>ALLOW_DUPLICATE_CUSTOM_TARGETS<a class="headerlink" href="#allow-duplicate-custom-targets" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Allow duplicate custom targets to be created.</p> |
| <p>Normally CMake requires that all targets built in a project have |
| globally unique logical names (see policy <span class="target" id="index-0-policy:CMP0002"></span><a class="reference internal" href="../policy/CMP0002.html#policy:CMP0002" title="CMP0002"><code class="xref cmake cmake-policy docutils literal notranslate"><span class="pre">CMP0002</span></code></a>). |
| This is necessary to generate meaningful project file names in |
| <span class="target" id="index-0-generator:Xcode"></span><a class="reference internal" href="../generator/Xcode.html#generator:Xcode" title="Xcode"><code class="xref cmake cmake-generator docutils literal notranslate"><span class="pre">Xcode</span></code></a> and <a class="reference internal" href="../manual/cmake-generators.7.html#visual-studio-generators"><span class="std std-ref">Visual Studio Generators</span></a> IDE |
| generators. It also allows the target names to be referenced |
| unambiguously.</p> |
| <p>Makefile generators are capable of supporting duplicate <span class="target" id="index-0-command:add_custom_target"></span><a class="reference internal" href="../command/add_custom_target.html#command:add_custom_target" title="add_custom_target"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_custom_target()</span></code></a> |
| names. For projects that care only about <a class="reference internal" href="../manual/cmake-generators.7.html#makefile-generators"><span class="std std-ref">Makefile Generators</span></a> and do |
| not wish to support <span class="target" id="index-1-generator:Xcode"></span><a class="reference internal" href="../generator/Xcode.html#generator:Xcode" title="Xcode"><code class="xref cmake cmake-generator docutils literal notranslate"><span class="pre">Xcode</span></code></a> or <a class="reference internal" href="../manual/cmake-generators.7.html#visual-studio-generators"><span class="std std-ref">Visual Studio Generators</span></a> IDE |
| generators, one may set this property to <code class="docutils literal notranslate"><span class="pre">True</span></code> |
| to allow duplicate custom targets. The property |
| allows multiple <span class="target" id="index-1-command:add_custom_target"></span><a class="reference internal" href="../command/add_custom_target.html#command:add_custom_target" title="add_custom_target"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_custom_target()</span></code></a> command calls in different |
| directories to specify the same target name. However, setting this |
| property will cause non-Makefile generators to produce an error and |
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