anchor.diff:  @IF "%BITS%" == "x64" (@set STR=%STR% Win64)
   
   
  -@IF NOT EXIST lib\Debug\Clothoid.lib (
  +@SET COMPILE="YES"
  +@IF EXIST lib\Debug\Clothoid.lib (
  +  @IF EXIST lib\Release\Clothoid.lib (
  +    @IF EXIST lib\include\Clothoid.hh (
  +      @SET COMPILE="NO"
  +	)
  +  )
  +)
   
  -  @SET VSDIR=vs%YEAR%_%BITS%
  +@SET VSDIR=vs%YEAR%_%BITS%
  +
  +@IF %COMPILE% == "YES" (
   
     @RMDIR /S /Q %VSDIR%
     @mkdir %VSDIR%
     @cd %VSDIR%
  -  cmake -G "%STR%" -D%LAPACK%=1 -DYEAR=%YEAR% -DBITS=%BITS% -DCMAKE_INSTALL_PREFIX:PATH=..\lib ..
  -  cmake --build . --config Release --target Install
  -  cmake --build . --config Debug --target Install
  +  @echo.
  +  @powershell -command write-host -foreground "red" -background "yellow" -nonewline "cmake -G \"%STR%\" -D%LAPACK%=1 -DYEAR=%YEAR% -DBITS=%BITS% -DCMAKE_INSTALL_PREFIX:PATH=..\lib .."
  +  @echo.
  +  @cmake -G "%STR%" -D%LAPACK%=1 -DYEAR=%YEAR% -DBITS=%BITS% -DCMAKE_INSTALL_PREFIX:PATH=..\lib ..
  +  @cmake --build . --config Release --target Install
  +  @cmake --build . --config Debug --target Install
     @cd ..
   ) else (
     @echo.
  -  powershell -command write-host -foreground "red" -background "yellow" -nonewline "Clothoids already compiled"
  +  @powershell -command write-host -foreground "red" -background "yellow" -nonewline "Clothoids already compiled"
     @echo.
   )
  +
  +@echo.
  +@powershell -command write-host -foreground "red" -background "yellow" -nonewline "Clothoids all done!"
  +@echo.
  
positive.code:   @set STR=Visual Studio 15 2017
  ) ELSE (
    @echo.
    powershell -command write-host -foreground "red" -background "yellow" -nonewline "Unsupported %YEAR%"
    @echo.
    GOTO:eof
  )
  
  @IF "%BITS%" NEQ "x86" IF "%BITS%" NEQ "x64" (
    @echo.
    powershell -command write-host -foreground "red" -background "yellow" -nonewline "Unsupported ARCH %BITS%"
    @echo.
    GOTO:eof
  )
  
negative.code: @IF [%1] EQU [] (SET YEAR=2013) else (SET YEAR=%1)
  @IF [%2] EQU [] (SET BITS=x64)  else (SET BITS=%2)
  
  @echo.
  @powershell -command write-host -foreground "red" -background "yellow" -nonewline "Select Compiler Visual Studio %YEAR% "
  @echo.
  
  @IF %YEAR% == 2010 (
    @set STR="Visual Studio 10 2010"
  