title: How do I fix the include_next of stdlib.h from cstdlib?
body: <p>I'm building the Retargetable Decompiler (RetDec for short), and am coming across this error:</p>
  
  <pre><code>In file included from /usr/local/include/c++/8.2.0/ext/string_conversions.h:41,
                   from /usr/local/include/c++/8.2.0/bits/basic_string.h:6391,
                   from /usr/local/include/c++/8.2.0/string:52,
                   from /usr/local/include/c++/8.2.0/stdexcept:39,
                   from /usr/local/include/c++/8.2.0/array:39,
                   from /usr/local/include/c++/8.2.0/tuple:39,
                   from /usr/local/include/c++/8.2.0/bits/unique_ptr.h:37,
                   from /usr/local/include/c++/8.2.0/memory:80,
                   from /home/chronos/user/Downloads/git/retdec/build/external/src/yaramod-project/include/yaramod/builder/yara_expression_builder.h:9,
                   from /home/chronos/user/Downloads/git/retdec/build/external/src/yaramod-project/src/builder/yara_expression_builder.cpp:7:
  /usr/local/include/c++/8.2.0/cstdlib:75:15: fatal error: stdlib.h: No such file or directory
   #include_next &lt;stdlib.h&gt;
                 ^~~~~~~~~~
  compilation terminated.
  make[5]: *** [src/CMakeFiles/yaramod.dir/build.make:74: src/CMakeFiles/yaramod.dir/builder/yara_expression_builder.cpp.o] Error 1
  make[4]: *** [CMakeFiles/Makefile2:109: src/CMakeFiles/yaramod.dir/all] Error 2
  make[3]: *** [Makefile:130: all] Error 2
  </code></pre>
  
  <p>I've dealt with this error before and have solved it, however I cannot remember how exactly I did it.</p>
  
  <p>How do I fix this?</p>
  
  <p>I've seen this question: <a href="https://stackoverflow.com/questions/40262928/error-compiling-opencv-fatal-error-stdlib-h-no-such-file-or-directory">Error compiling OpenCV, fatal error: stdlib.h: No such file or directory</a></p>
  
  <p>The answers there do not help me.</p>