title: Embed environment variable in executable which is build from configure script
body: <p>Can I embed some environment variable in executable using configure script so that when that executable is launched, some particular environment variable is automatically set.</p>
  <p>For example:
  When we launch <code>python3</code> executable, <code>PYTHONPATH</code> automatically gets set. Or on launching <code>xyz.exe</code>, <code>XYZ</code> variable gets set.</p>