title: cc1plus: "-Wno-unused-result" error
body: <p>i want to compile project, but i have error: </p>
  
  <pre><code>[  9%] Building CXX object CMakeFiles/task2.dir/main.cpp.o
  cc1plus: error: unrecognized command line option "-Wno-unused-result"
  make[2]: *** [CMakeFiles/task2.dir/main.cpp.o] Error 1
  make[1]: *** [CMakeFiles/task2.dir/all] Error 2
  make: *** [all] Error 2
  </code></pre>
  
  <p>OSX Mountain Lion , gcc version is (MacPorts gcc48 4.8.1_3) 4.8.1</p>
  
  <p>Makefile done by CMake 2.8-12</p>
  
  <p>Can you help me, plz?</p>