message: amazon: added check for perl installation before install lcov
diff: fi
  if [[ $ENABLE_CODE_COVERAGE == true ]]; then
  - printf "\n\tChecking LCOV installation.\n"
  + printf "\n\tChecking perl installation."
  + perl_bin=$( which perl 2>/dev/null )
  + if [ $? -ne 0 ]; then
  + printf "\n\tInstalling perl."
  + yum -y install perl
  + if [ $? -ne 0 ]; then
  + printf "\n\tUnable to install perl at this time.\n"
  + printf "\n\tExiting now.\n"
  + fi
  + else
  + printf "\n\tPerl installation found at ${perl_bin}."
  + fi
  + printf "\n\tChecking LCOV installation."
  if [ ! -e /usr/local/bin/lcov ]; then
  printf "\n\tLCOV installation not found.\n"
  printf "\tInstalling LCOV.\n"
  printf "\n\tLCOV installation found @ /usr/local/bin/lcov.\n"
  fi
  fi
  - exit
  +
  printf "\n\tChecking CMAKE installation.\n"
  if [ ! -e ${CMAKE} ]; then
  printf "\tInstalling CMAKE\n"
  