cmake HAVE_DIRECTX examples

u3d-community/U3D cmake/Modules/FindDirectX.cmake :247 

find_package_handle_standard_args (DirectX REQUIRED_VARS HAVE_DIRECTX HANDLE_COMPONENTS FAIL_MESSAGE ${FAIL_MESSAGE})

rbfx/rbfx CMake/Modules/FindDirectX.cmake :244 

find_package_handle_standard_args (DirectX REQUIRED_VARS HAVE_DIRECTX HANDLE_COMPONENTS FAIL_MESSAGE ${FAIL_MESSAGE})