anchor.diff:  for /f "delims=" %%i in ('echo %VarRevisionSVN% ^| findstr /i /r P^"') do goto RevisionAbort
   for /f "delims=" %%i in ('echo %VarRevisionSVN% ^| findstr /i /r :^"') do goto RevisionAbort
   for /f "delims=" %%i in ('type include\gpac\version.h ^| findstr /i /r "%VarRevisionSVN%"') do Set VarRevisionBuild=%%i
  -if !"%VarRevisionBuild%"==!"" echo   local revision and last build revision are not congruent - please consider rebuilding before generating an installer
  -if !"%VarRevisionBuild%"==!"" goto abort
  -echo   version found: %VarRevisionSVN%
  +echo VarRevisionBuild = %VarRevisionBuild%
  +echo VarRevisionSVN   = %VarRevisionSVN%
  +if !"%VarRevisionBuild%"==!"%VarRevisionSVN%" echo   local revision and last build revision are not congruent - please consider rebuilding before generating an installer
  +if !"%VarRevisionBuild%"==!"%VarRevisionSVN%" goto Abort
  +REM echo   version found: %VarRevisionSVN%
   
   move bin\win32\release\nsis_install\default.out bin\win32\release\nsis_install\default.out_
   echo Name "GPAC Framework ${GPAC_VERSION} revision %VarRevisionSVN%" > bin\win32\release\nsis_install\default.out
  
positive.code: REM ============================================
  
  set NSIS_EXEC="%PROGRAMFILES%\NSIS\makensis.exe"
  echo   Assuming NSIS at default location %NSIS_EXEC%
  
  
  echo:
  
negative.code: REM ============================================
  echo Windows GPAC installer generated - goodbye!
  REM ============================================
  goto LeaveBatch
  
  :RevisionAbort
  echo   SVN revision "%VarRevisionSVN%" is not a simple number, you may have local modification (please check 'svnrevision' flags meaning or execute the NSIS script manually)
  
  :Abort
  echo:
  echo  *** ABORTING: CHECK ERROR MESSAGES ABOVE ***
  
  :LeaveBatch
  set VarRevisionSVN=
  set VarRevisionBuild=
  cd /d %OLDDIR%
  