cmake DOPENSUBDIV_HAS_CL_D3D11_EXT_H examples

PixarAnimationStudios/OpenSubdiv CMakeLists.txt :587 

add_definitions(
                -DOPENSUBDIV_HAS_OPENCL_DX_INTEROP
                -DOPENSUBDIV_HAS_CL_D3D11_EXT_H
            )

lighttransport/tinyusdz src/osd/CMakeLists.txt :565 

add_definitions(
                -DOPENSUBDIV_HAS_OPENCL_DX_INTEROP
                -DOPENSUBDIV_HAS_CL_D3D11_EXT_H
            )