anchor.diff:  
   :# Cleanup the environment variables normally generated by builds here
   :CleanBuildEnvironment
  -call :GetPID
  +if not defined PID call :GetPID
   set "VARLISTFILE=%TMP%\cleanenv-%PID%.lst"
   if %MAKEDEPTH%==0 ( :# Do this only in the top make file, in case of recursive makes
     if exist "%VARLISTFILE%" del "%VARLISTFILE%"
  
positive.code: :#   2016-11-02 JFL Bug fix: Avoid log file redirection failures in recursive #
  :#                  scripts.                                                  #
  :#   2016-11-05 JFL Fixed :Exec bug in XP/64.				      *
  :#                                                                            #
  :#----------------------------------------------------------------------------#
  
  
negative.code: %LOG%
  
  :# Get the shell PID. Useful for scripts or make files that want to generate unique IDs.
  if not defined PID call :GetPID
  
  :# Get the remaining args, and parse nmake command line arguments
  set "LASTGOAL="
  