anchor.diff:  if /i "%MSVS_VER%" == "vs100" (
   	set GENERATOR_NAME="Visual Studio 10"
   	set "B2_TOOLSET=msvc-10.0"
  +	set BOOTSTRAP_TOOLSET="vc10"
   	set XIPH_FOLDER="VS2010"
   	set GLEW_FOLDER="vc10"
   )
   if /i "%MSVS_VER%" == "vs110" (
   	set GENERATOR_NAME="Visual Studio 11"
   	set "B2_TOOLSET=msvc-11.0"
  +	set BOOTSTRAP_TOOLSET="vc11"
   	set XIPH_FOLDER="VS2010"
   	set GLEW_FOLDER="vc10"
   )
   if /i "%MSVS_VER%" == "vs120" (
   	set GENERATOR_NAME="Visual Studio 12"
   	set "B2_TOOLSET=msvc-12.0"
  +	set BOOTSTRAP_TOOLSET="vc12"
   	set XIPH_FOLDER="VS2010"
   	set GLEW_FOLDER="vc10"
   )
  
positive.code: %DEVENV% portaudio.sln /upgrade
  %DEVENV% portaudio.sln /Build "Debug"
  %DEVENV% portaudio.sln /Build "Release"
  copy options_cmake.h ..\include\pa_options_cmake.h
  cd %PWD%
  :Build_GLEW
  cd %PWD%
  cd ..\deps\glew-1.10.0\build
  cd %GLEW_FOLDER%
  if "!VCBUILDER!"=="" (
  	%DEVENV% glew.sln /Build "Debug" 
  	%DEVENV% glew.sln /Build "Release" 
  ) else ( 
  	%VCBUILD% glew_static.dsp /Upgrade
  	%VCBUILD% glew_static.vcproj
  )
  
negative.code: set ZLIB_LIBRARY=%BASEDIR%\deps\zlib-1.2.8\build\Release\zlib.lib
  %CMAKE_CMD% -DZLIB_LIBRARY:FILEPATH=%ZLIB_LIBRARY% -DZLIB_INCLUDE_DIR:PATH=%ZLIB_INCLUDE_DIR% ..
  %DEVENV% libpng.sln /Build "Release"
  echo "libpng built successfully"
  cd %BASEDIR%\deps\lpng166
  copy scripts\pnglibconf.h.prebuilt pnglibconf.h
  echo "libpng copied ok"
  :Build_LibOgg
  cd %PWD%
  cd ..\deps\libogg-1.3.1\win32
  