anchor.diff:  :: Configures and builds CMark
   setlocal enableextensions enabledelayedexpansion
   
  -mkdir "%build_root%\cmark" %exitOnError%
  -pushd "%build_root%\cmark"
  -
  -cmake "%source_root%\cmark"^
  +cmake^
  +    -B "%build_root%\cmark"^
       -G Ninja^
       -DCMAKE_BUILD_TYPE=%CMAKE_BUILD_TYPE%^
       -DCMAKE_C_COMPILER=cl^
       -DCMAKE_CXX_COMPILER=cl^
       -DCMAKE_CXX_FLAGS:STRING="/GS- /Oy"^
       -DCMAKE_EXE_LINKER_FLAGS:STRING=/INCREMENTAL:NO^
  -    -DCMAKE_SHARED_LINKER_FLAGS:STRING=/INCREMENTAL:NO %exitOnError%
  -
  -popd
  +    -DCMAKE_SHARED_LINKER_FLAGS:STRING=/INCREMENTAL:NO^
  +    -S "%source_root%\cmark" %exitOnError%
   
   cmake --build "%build_root%\cmark" %exitOnError%
   
  
positive.code: :: Configures, builds, and installs LLVM
  setlocal enableextensions enabledelayedexpansion
  
  mkdir "%build_root%\llvm" %exitOnError%
  pushd "%build_root%\llvm"
  
  cmake "%source_root%\llvm"^
      -G Ninja^
      -DCMAKE_BUILD_TYPE=%CMAKE_BUILD_TYPE%^
      -DCMAKE_C_COMPILER=cl^
  
negative.code: :: Configures, builds, and installs Dispatch
  setlocal enableextensions enabledelayedexpansion
  
  cmake^
      -B "%build_root%\swift-corelibs-libdispatch"^
      -G Ninja^
      -DCMAKE_BUILD_TYPE=%CMAKE_BUILD_TYPE%^
      -DCMAKE_C_COMPILER=clang-cl^
  