anchor.diff:  :: Additionally, it needs the following variables:
   :: - CMAKE_BUILD_TYPE: Kind of build: Release, RelWithDebInfo, Debug.
   :: - PYTHON_HOME: The Python installation directory.
  +:: - REPO_SCHEME: Optional. The scheme name to checkout.
   
   :: REQUIRED PERMISSIONS
   :: Practically, it is easier to be in the Adminstrators group to run the
  
positive.code:     -DLLDB_DISABLE_PYTHON=YES^
      -DLLDB_INCLUDE_TESTS:BOOL=NO^
      -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON^
      -S "%source_root%\lldb" %exitOnError%
  
  cmake --build "%build_root%\lldb" %exitOnError%
  cmake --build "%build_root%\lldb" --target install %exitOnError%
  
negative.code: md %build_root%\tmp
  set TMPDIR=%build_root%\tmp
  
  md %build_root%\tmp\org.llvm.clang.9999
  set CUSTOM_CLANG_MODULE_CACHE=%build_root%\tmp\org.llvm.clang.9999
  
  md %build_root%\tmp\org.swift.package-manager
  