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<div class="section" id="module-waflib.Tools.compiler_c">
<span id="compiler-c"></span><h1>compiler_c<a class="headerlink" href="#module-waflib.Tools.compiler_c" title="Permalink to this headline">¶</a></h1>
<p>Try to detect a C compiler from the list of supported compilers (gcc, msvc, etc):</p>
<div class="highlight-python"><div class="highlight"><pre><span class="k">def</span> <span class="nf">options</span><span class="p">(</span><span class="n">opt</span><span class="p">):</span>
<span class="n">opt</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="s">'compiler_c'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">configure</span><span class="p">(</span><span class="n">cnf</span><span class="p">):</span>
<span class="n">cnf</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="s">'compiler_c'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">build</span><span class="p">(</span><span class="n">bld</span><span class="p">):</span>
<span class="n">bld</span><span class="o">.</span><span class="n">program</span><span class="p">(</span><span class="n">source</span><span class="o">=</span><span class="s">'main.c'</span><span class="p">,</span> <span class="n">target</span><span class="o">=</span><span class="s">'app'</span><span class="p">)</span>
</pre></div>
</div>
<p>The compilers are associated to platforms in <a class="reference internal" href="#waflib.Tools.compiler_c.c_compiler" title="waflib.Tools.compiler_c.c_compiler"><tt class="xref py py-attr docutils literal"><span class="pre">waflib.Tools.compiler_c.c_compiler</span></tt></a>. To register
a new C compiler named <em>cfoo</em> (assuming the tool <tt class="docutils literal"><span class="pre">waflib/extras/cfoo.py</span></tt> exists), use:</p>
<div class="highlight-python"><div class="highlight"><pre><span class="k">def</span> <span class="nf">options</span><span class="p">(</span><span class="n">opt</span><span class="p">):</span>
<span class="n">opt</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="s">'compiler_c'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">configure</span><span class="p">(</span><span class="n">cnf</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">waflib.Tools.compiler_c</span> <span class="kn">import</span> <span class="n">c_compiler</span>
<span class="n">c_compiler</span><span class="p">[</span><span class="s">'win32'</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s">'cfoo'</span><span class="p">,</span> <span class="s">'msvc'</span><span class="p">,</span> <span class="s">'gcc'</span><span class="p">]</span>
<span class="n">cnf</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="s">'compiler_c'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">build</span><span class="p">(</span><span class="n">bld</span><span class="p">):</span>
<span class="n">bld</span><span class="o">.</span><span class="n">program</span><span class="p">(</span><span class="n">source</span><span class="o">=</span><span class="s">'main.c'</span><span class="p">,</span> <span class="n">target</span><span class="o">=</span><span class="s">'app'</span><span class="p">)</span>
</pre></div>
</div>
<p>Not all compilers need to have a specific tool. For example, the clang compilers can be detected by the gcc tools when using:</p>
<div class="highlight-python"><pre>$ CC=clang waf configure</pre>
</div>
<dl class="data">
<dt id="waflib.Tools.compiler_c.c_compiler">
<tt class="descclassname">waflib.Tools.compiler_c.</tt><tt class="descname">c_compiler</tt><em class="property"> = {'sunos': ['suncc', 'gcc'], 'cygwin': ['gcc'], 'linux': ['gcc', 'icc'], 'darwin': ['gcc'], 'java': ['gcc', 'msvc', 'icc'], 'aix': ['xlc', 'gcc'], 'gnu': ['gcc'], 'default': ['gcc'], 'irix': ['gcc', 'irixcc'], 'win32': ['msvc', 'gcc'], 'hpux': ['gcc']}</em><a class="headerlink" href="#waflib.Tools.compiler_c.c_compiler" title="Permalink to this definition">¶</a></dt>
<dd><p>Dict mapping the platform names to waf tools finding specific compilers:</p>
<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">waflib.Tools.compiler_c</span> <span class="kn">import</span> <span class="n">c_compiler</span>
<span class="n">c_compiler</span><span class="p">[</span><span class="s">'linux'</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s">'gcc'</span><span class="p">,</span> <span class="s">'icc'</span><span class="p">,</span> <span class="s">'suncc'</span><span class="p">]</span>
</pre></div>
</div>
</dd></dl>
<dl class="function">
<dt id="waflib.Tools.compiler_c.configure">
<tt class="descclassname">waflib.Tools.compiler_c.</tt><tt class="descname">configure</tt><big>(</big><em>conf</em><big>)</big><a class="reference internal" href="../_modules/waflib/Tools/compiler_c.html#configure"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#waflib.Tools.compiler_c.configure" title="Permalink to this definition">¶</a></dt>
<dd><p>Try to find a suitable C compiler or raise a <a class="reference internal" href="../Errors.html#waflib.Errors.ConfigurationError" title="waflib.Errors.ConfigurationError"><tt class="xref py py-class docutils literal"><span class="pre">waflib.Errors.ConfigurationError</span></tt></a>.</p>
</dd></dl>
<dl class="function">
<dt id="waflib.Tools.compiler_c.options">
<tt class="descclassname">waflib.Tools.compiler_c.</tt><tt class="descname">options</tt><big>(</big><em>opt</em><big>)</big><a class="reference internal" href="../_modules/waflib/Tools/compiler_c.html#options"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#waflib.Tools.compiler_c.options" title="Permalink to this definition">¶</a></dt>
<dd><p>Restrict the compiler detection from the command-line:</p>
<div class="highlight-python"><pre>$ waf configure --check-c-compiler=gcc</pre>
</div>
</dd></dl>
<dl class="function">
<dt id="waflib.Tools.compiler_c.debug">
<tt class="descclassname">waflib.Tools.compiler_c.</tt><tt class="descname">debug</tt><big>(</big><em>*k</em>, <em>**kw</em><big>)</big><a class="headerlink" href="#waflib.Tools.compiler_c.debug" title="Permalink to this definition">¶</a></dt>
<dd><p>Wrap logging.debug, the output is filtered for performance reasons</p>
</dd></dl>
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