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<span id="prop_tgt:DEFINE_SYMBOL"></span><h1>DEFINE_SYMBOL<a class="headerlink" href="#define-symbol" title="Permalink to this headline">ΒΆ</a></h1>
<p>Define a symbol when compiling this target's sources.</p>
<p><code class="docutils literal notranslate"><span class="pre">DEFINE_SYMBOL</span></code> sets the name of the preprocessor symbol defined when
compiling sources in a shared library. If not set here then it is set
to <code class="docutils literal notranslate"><span class="pre">target_EXPORTS</span></code> by default (with some substitutions if the target is
not a valid C identifier). This is useful for headers to know whether
they are being included from inside their library or outside to
properly setup dllexport/dllimport decorations.</p>
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