anchor.diff:  cd build_vsix
   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% ..\llvm || exit /b
  +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
   ninja clang_format_vsix || exit /b
   copy ..\llvm\tools\clang\tools\clang-format-vs\ClangFormat\bin\Release\ClangFormat.vsix ClangFormat-r%revision%.vsix
   cd ..
  
positive.code: cd build32
  set CC=..\build32_stage0\bin\clang-cl
  set CXX=..\build32_stage0\bin\clang-cl
  cmake -GNinja %cmake_flags% -DPYTHON_HOME=%python32_dir% ..\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: mkdir build64_stage0
  cd build64_stage0
  REM Work around VS2017 bug by using MinSizeRel.
  cmake -GNinja %cmake_flags% -DPYTHON_HOME=%python64_dir% -DPYTHON_EXECUTABLE=%python64_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
  