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| <span id="prop_sf:HEADER_FILE_ONLY"></span><h1>HEADER_FILE_ONLY<a class="headerlink" href="#header-file-only" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Is this source file only a header file.</p> |
| <p>A property on a source file that indicates if the source file is a |
| header file with no associated implementation. This is set |
| automatically based on the file extension and is used by CMake to |
| determine if certain dependency information should be computed.</p> |
| <p>By setting this property to <code class="docutils literal notranslate"><span class="pre">ON</span></code>, you can disable compilation of |
| the given source file, even if it should be compiled because it is |
| part of the library's/executable's sources.</p> |
| <p>This is useful if you have some source files which you somehow |
| pre-process, and then add these pre-processed sources via |
| <span class="target" id="index-0-command:add_library"></span><a class="reference internal" href="../command/add_library.html#command:add_library" title="add_library"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_library()</span></code></a> or <span class="target" id="index-0-command:add_executable"></span><a class="reference internal" href="../command/add_executable.html#command:add_executable" title="add_executable"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_executable()</span></code></a>. Normally, in IDE, |
| there would be no reference of the original sources, only of these |
| pre-processed sources. So by setting this property for all the original |
| source files to <code class="docutils literal notranslate"><span class="pre">ON</span></code>, and then either calling <span class="target" id="index-1-command:add_library"></span><a class="reference internal" href="../command/add_library.html#command:add_library" title="add_library"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_library()</span></code></a> |
| or <span class="target" id="index-1-command:add_executable"></span><a class="reference internal" href="../command/add_executable.html#command:add_executable" title="add_executable"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_executable()</span></code></a> while passing both the pre-processed |
| sources and the original sources, or by using <span class="target" id="index-0-command:target_sources"></span><a class="reference internal" href="../command/target_sources.html#command:target_sources" title="target_sources"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">target_sources()</span></code></a> |
| to add original source files will do exactly what would one expect, i.e. |
| the original source files would be visible in IDE, and will not be built.</p> |
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