anchor.diff:  REM The plug-in is built separately as it uses a statically linked clang-format.exe.
   mkdir build_vsix
   cd build_vsix
  +REM Having VSSDKINSTALL set makes devenv *not* find the SDK for some reason.
  +set VSSDKINSTALL=
   set CC=..\build32_stage0\bin\clang-cl
   set CXX=..\build32_stage0\bin\clang-cl
   cmake -GNinja %cmake_flags% -DLLVM_USE_CRT_RELEASE=MT -DBUILD_CLANG_FORMAT_VS_PLUGIN=ON -DPYTHON_HOME=%python32_dir% -DPYTHON_EXECUTABLE=%python32_dir%\python.exe ..\llvm || exit /b
  
positive.code: set CXX=
  mkdir build32_stage0
  cd build32_stage0
  REM Work around VS2017 bug by using MinSizeRel.
  cmake -GNinja %cmake_flags% -DPYTHON_HOME=%python32_dir% -DPYTHON_EXECUTABLE=%python32_dir%\python.exe -DCMAKE_BUILD_TYPE=MinSizeRel ..\llvm || exit /b
  ninja all || ninja all || ninja all || exit /b
  ninja check || ninja check || ninja check || exit /b
  ninja check-clang || ninja check-clang || ninja check-clang || exit /b
  
negative.code: 
  REM Prerequisites:
  REM
  REM   Visual Studio 2019, CMake, Ninja, SVN, GNUWin32, SWIG, Python 3,
  REM   NSIS with the strlen_8192 patch,
  REM   Visual Studio 2019 SDK and Nuget (for the clang-format plugin),
  REM   Perl (for the OpenMP run-time).
  REM
  REM
  