anchor.diff:     mkdir build
      set GLSLANG_BUILD_DIR=%GLSLANG_DIR%\build
      cd %GLSLANG_BUILD_DIR%
  -   cmake -G "Visual Studio %VS_VERSION%" -DCMAKE_INSTALL_PREFIX=install ..
  -   msbuild INSTALL.vcxproj /p:Platform=%MSBUILD_MACHINE_TARGET% /p:Configuration=Debug
  +   cmake -G"Visual Studio 12 2013 Win64" -DCMAKE_INSTALL_PREFIX=install ..
  +   msbuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Debug
      REM Check for existence of one lib, even though we should check for all results
      if not exist %GLSLANG_BUILD_DIR%\glslang\Debug\glslang.lib (
         echo.
         echo glslang Debug build failed!
         set errorCode=1
      )
  -   msbuild INSTALL.vcxproj /p:Platform=%MSBUILD_MACHINE_TARGET% /p:Configuration=Release
  +   msbuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Release
      REM Check for existence of one lib, even though we should check for all results
      if not exist %GLSLANG_BUILD_DIR%\glslang\Release\glslang.lib (
         echo.
  
positive.code:    goto:error
  )
  
  REM Determine the appropriate CMake strings for the current version of Visual Studio
  echo Determining VS version
  python .\determine_vs_version.py > vsversion.tmp
  set /p VS_VERSION=< vsversion.tmp
  
  REM from that information set the appropriate MSBUILD machine target as weell.
  echo Determining MSBUILD target
  @setlocal
  @echo off
  echo.%VS_VERSION% | findstr /C:"Win32" 1>nul
  if errorlevel 1 (
    set MSBUILD_MACHINE_TARGET=x64
  ) ELSE (
    set MSBUILD_MACHINE_TARGET=x86
  )
  endlocal
  
  REM Cleanup the file we used to collect the VS version output since it's no longer needed.
  del /Q /F vsversion.tmp
  
  set /p LUNARGLASS_REVISION= < LunarGLASS_revision
  set /p GLSLANG_REVISION= < glslang_revision
  set /p SPIRV_TOOLS_REVISION= < spirv-tools_revision
  
negative.code:    mkdir build
     set LLVM_BUILD_DIR=%LLVM_DIR%\build
     cd %LLVM_BUILD_DIR%
     cmake -G"Visual Studio 12 2013 Win64" -DCMAKE_INSTALL_PREFIX=install ..
     msbuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Release
     REM Check for existence of one lib, even though we should check for all results
     if not exist %LLVM_BUILD_DIR%\lib\Release\LLVMCore.lib (
        echo.
  