title: g++ and gcc is not found in path in omnet++
body: <p>I am new in omnet++ and found some difficulty. My code is ok but the problem is <strong>g++ and gcc is not found in PATH</strong>. I have no idea why this problem is going on. Thanks in advance.
  <img src="https://i.stack.imgur.com/960UV.jpg" alt="enter image description here"></p>