anchor.diff:    if "%1"=="win64" set PLATFORM=x64
     if "%1"=="vs2005" set DEVENV=vs2005
     if "%1"=="vs2008" set DEVENV=vs2008
  +  if "%1"=="vs2015" set DEVENV=vs2015
     if "%1"=="nmake" set GEN_TYPE=NMAKE
     shift
   if not "%1"=="" goto while_valid_arg
  
positive.code: ::  Optional arguments (in any order):
  ::
  ::    win32 | win64 | x64 (defaults to x64)
  ::    vs2005 | vs2010 (defaults vs2010)
  ::    ide | nmake (defaults to ide)
  ::
  ::  No environment variables need be defined prior to running this script. However,
  
negative.code:   )
  )
  
  IF %DEVENV%==vs2015 (
    IF %PLATFORM%==Win32 (
      set TARGET_SYSTEM="Visual Studio 14 Win32"
      call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall" x86
    ) ELSE (
      set TARGET_SYSTEM="Visual Studio 14 Win64"
      call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall" x64
    )
  )
  
  set DEPLIBDIR=%OSSIM_DEPENDENCIES%/lib
  set DEPINCDIR=%OSSIM_DEPENDENCIES%/include
  
  :: Here are the cmake options. Everything is about setting variables except the 
  