cmake HAS_D3D12 examples

rbfx/rbfx Source/ThirdParty/Diligent/CMakeLists.txt :159

try_compile(HAS_D3D12 "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/BuildTools/CMake/CheckD3D12.cpp")

rbfx/rbfx Source/ThirdParty/Diligent/CMakeLists.txt :164

message("  d3d12.h found:   " ${HAS_D3D12})