text: import sys
  import os
  
  # checkInvoke.py should be executing in parent dir of src
  
  # check: hellomake output
  r = os.popen("./src/hellomake")
  output = r.read()
  #print(output)
  if output.find('Hello makefiles!') != -1:
      sys.exit(0)
  
  print('ERROR invoking online-compiling (simple make) application.')
  sys.exit(1)
  