anchor.diff:  
     doCheck = true;
   
  -  meta = {
  +  meta = with stdenv.lib; {
       description = "Tool to analyze the control flow of C programs";
   
       longDescription = ''
  
positive.code:              _argp_program_version$non_lazy_ptr in libcflow.a(argp-parse.o)
         ld: symbol(s) not found
       */
      platforms = stdenv.lib.platforms.linux;
    };
  }
  
negative.code:       produced flowcharts in Emacs.
      '';
  
      license = licenses.gpl3Plus;
  
      homepage = http://www.gnu.org/software/cflow/;
  
      maintainers = [ maintainers.vrthra ];
  
      /* On Darwin, build fails with:
  
  