anchor.diff:  IF NOT EXIST SKYX.sln. (
      cecho {0D}Running cmake for SkyX.{# #}{\n}
      del /Q CMakeCache.txt
  -   cmake . -G %GENERATOR%
  +   cmake . -G %GENERATOR% -DUSE_BOOST:BOOL=%USE_BOOST%
      IF NOT %ERRORLEVEL%==0 GOTO :ERROR
   )
   
  
positive.code: set BOOST_INCLUDEDIR=%DEPS%\boost
  set BOOST_LIBRARYDIR=%DEPS%\boost\stage\lib
  
  IF NOT EXIST "%DEPS%\boost". (
     cecho {0D}Cloning Boost into "%DEPS%\boost".{# #}{\n}
     cd "%DEPS%"
  
negative.code:    cecho {0D}Boost already built. Skipping.{# #}{\n}
  )
  
  :SKIP_BOOST
  IF NOT EXIST "%DEPS%\assimp\". (
     cecho {0D}Checking out OpenAssetImport library from https://assimp.svn.sourceforge.net/svnroot/assimp/trunk into "%DEPS%\assimp".{# #}{\n}
     cd "%DEPS%"
  