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<div class="section" id="implicit-depends-include-transform">
<span id="prop_dir:IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"></span><h1>IMPLICIT_DEPENDS_INCLUDE_TRANSFORM<a class="headerlink" href="#implicit-depends-include-transform" title="Permalink to this headline">ΒΆ</a></h1>
<p>Specify #include line transforms for dependencies in a directory.</p>
<p>This property specifies rules to transform macro-like #include lines
during implicit dependency scanning of C and C++ source files. The
list of rules must be semicolon-separated with each entry of the form
&#8220;A_MACRO(%)=value-with-%&#8221; (the % must be literal). During dependency
scanning occurrences of A_MACRO(...) on #include lines will be
replaced by the value given with the macro argument substituted for
&#8216;%&#8217;. For example, the entry</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">MYDIR</span><span class="p">(</span><span class="o">%</span><span class="p">)</span><span class="o">=&lt;</span><span class="n">mydir</span><span class="o">/%&gt;</span>
</pre></div>
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<p>will convert lines of the form</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1">#include MYDIR(myheader.h)</span>
</pre></div>
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<p>to</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1">#include &lt;mydir/myheader.h&gt;</span>
</pre></div>
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<p>allowing the dependency to be followed.</p>
<p>This property applies to sources in all targets within a directory.
The property value is initialized in each directory by its value in
the directory&#8217;s parent.</p>
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