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| <div class="section" id="cmp0043"> |
| <span id="policy:CMP0043"></span><h1>CMP0043<a class="headerlink" href="#cmp0043" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Ignore COMPILE_DEFINITIONS_<Config> properties</p> |
| <p>CMake 2.8.12 and lower allowed setting the |
| <span class="target" id="index-0-prop_tgt:COMPILE_DEFINITIONS_<CONFIG>"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS_CONFIG.html#prop_tgt:COMPILE_DEFINITIONS_<CONFIG>" title="COMPILE_DEFINITIONS_<CONFIG>"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS_<CONFIG></span></code></a> target property and |
| <span class="target" id="index-0-prop_dir:COMPILE_DEFINITIONS_<CONFIG>"></span><a class="reference internal" href="../prop_dir/COMPILE_DEFINITIONS_CONFIG.html#prop_dir:COMPILE_DEFINITIONS_<CONFIG>" title="COMPILE_DEFINITIONS_<CONFIG>"><code class="xref cmake cmake-prop_dir docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS_<CONFIG></span></code></a> directory property to apply |
| configuration-specific compile definitions.</p> |
| <p>Since CMake 2.8.10, the <span class="target" id="index-0-prop_tgt:COMPILE_DEFINITIONS"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS.html#prop_tgt:COMPILE_DEFINITIONS" title="COMPILE_DEFINITIONS"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS</span></code></a> property has supported |
| <span class="target" id="index-0-manual:cmake-generator-expressions(7)"></span><a class="reference internal" href="../manual/cmake-generator-expressions.7.html#manual:cmake-generator-expressions(7)" title="cmake-generator-expressions(7)"><code class="xref cmake cmake-manual docutils literal notranslate"><span class="pre">generator</span> <span class="pre">expressions</span></code></a> for setting |
| configuration-dependent content. The continued existence of the suffixed |
| variables is redundant, and causes a maintenance burden. Population of the |
| <span class="target" id="index-1-prop_tgt:COMPILE_DEFINITIONS_<CONFIG>"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS_CONFIG.html#prop_tgt:COMPILE_DEFINITIONS_<CONFIG>" title="COMPILE_DEFINITIONS_<CONFIG>"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS_DEBUG</span></code></a> property |
| may be replaced with a population of <span class="target" id="index-1-prop_tgt:COMPILE_DEFINITIONS"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS.html#prop_tgt:COMPILE_DEFINITIONS" title="COMPILE_DEFINITIONS"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS</span></code></a> directly |
| or via <span class="target" id="index-0-command:target_compile_definitions"></span><a class="reference internal" href="../command/target_compile_definitions.html#command:target_compile_definitions" title="target_compile_definitions"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">target_compile_definitions()</span></code></a>:</p> |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="c"># Old Interfaces:</span> |
| <span class="nf">set_property(</span><span class="no">TARGET</span><span class="w"> </span><span class="nb">tgt</span><span class="w"> </span><span class="no">APPEND</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"></span> |
| <span class="w"> </span><span class="no">COMPILE_DEFINITIONS_DEBUG</span><span class="w"> </span><span class="no">DEBUG_MODE</span><span class="w"></span> |
| <span class="nf">)</span><span class="w"></span> |
| <span class="nf">set_property(</span><span class="no">DIRECTORY</span><span class="w"> </span><span class="no">APPEND</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"></span> |
| <span class="w"> </span><span class="no">COMPILE_DEFINITIONS_DEBUG</span><span class="w"> </span><span class="no">DIR_DEBUG_MODE</span><span class="w"></span> |
| <span class="nf">)</span><span class="w"></span> |
| |
| <span class="c"># New Interfaces:</span> |
| <span class="nf">set_property(</span><span class="no">TARGET</span><span class="w"> </span><span class="nb">tgt</span><span class="w"> </span><span class="no">APPEND</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"></span> |
| <span class="w"> </span><span class="no">COMPILE_DEFINITIONS</span><span class="w"> </span><span class="o">$<$<</span><span class="no">CONFIG</span><span class="o">:</span><span class="nb">Debug</span><span class="o">>:</span><span class="no">DEBUG_MODE</span><span class="o">></span><span class="w"></span> |
| <span class="nf">)</span><span class="w"></span> |
| <span class="nf">target_compile_definitions(</span><span class="nb">tgt</span><span class="w"> </span><span class="no">PRIVATE</span><span class="w"> </span><span class="o">$<$<</span><span class="no">CONFIG</span><span class="o">:</span><span class="nb">Debug</span><span class="o">>:</span><span class="no">DEBUG_MODE</span><span class="o">></span><span class="nf">)</span><span class="w"></span> |
| <span class="nf">set_property(</span><span class="no">DIRECTORY</span><span class="w"> </span><span class="no">APPEND</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"></span> |
| <span class="w"> </span><span class="no">COMPILE_DEFINITIONS</span><span class="w"> </span><span class="o">$<$<</span><span class="no">CONFIG</span><span class="o">:</span><span class="nb">Debug</span><span class="o">>:</span><span class="no">DIR_DEBUG_MODE</span><span class="o">></span><span class="w"></span> |
| <span class="nf">)</span><span class="w"></span> |
| </pre></div> |
| </div> |
| <p>The <code class="docutils literal notranslate"><span class="pre">OLD</span></code> behavior for this policy is to consume the content of the suffixed |
| <span class="target" id="index-2-prop_tgt:COMPILE_DEFINITIONS_<CONFIG>"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS_CONFIG.html#prop_tgt:COMPILE_DEFINITIONS_<CONFIG>" title="COMPILE_DEFINITIONS_<CONFIG>"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS_<CONFIG></span></code></a> target property when generating the |
| compilation command. The <code class="docutils literal notranslate"><span class="pre">NEW</span></code> behavior for this policy is to ignore the content |
| of the <span class="target" id="index-3-prop_tgt:COMPILE_DEFINITIONS_<CONFIG>"></span><a class="reference internal" href="../prop_tgt/COMPILE_DEFINITIONS_CONFIG.html#prop_tgt:COMPILE_DEFINITIONS_<CONFIG>" title="COMPILE_DEFINITIONS_<CONFIG>"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">COMPILE_DEFINITIONS_<CONFIG></span></code></a> target property .</p> |
| <p>This policy was introduced in CMake version 3.0. CMake version |
| 3.23.1 warns when the policy is not set and uses <code class="docutils literal notranslate"><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 notranslate"><span class="pre">cmake_policy()</span></code></a> command to set it to <code class="docutils literal notranslate"><span class="pre">OLD</span></code> or <code class="docutils literal notranslate"><span class="pre">NEW</span></code> explicitly.</p> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>The <code class="docutils literal notranslate"><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 notranslate"><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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