message: review updates:
  add cmake warning
diff: @@ -55,6 +55,12 @@ endif()
  find_package(Kokkos QUIET)
  if(Kokkos_FOUND)
  + if(GINKGO_WITH_CCACHE)
  + message(WARNING "The CMAKE_CXX_COMPILER_LAUNCHER is set due to "
  + "GINKGO_WITH_CCACHE=ON which is known to casue issues with CUDA enabled "
  + "Kokkos (https://github.com/kokkos/kokkos/issues/4821) including compilation "
  + "failures. This can be prevented by setting GINKGO_WITH_CCACHE=OFF.")
  + endif()
  list(APPEND EXAMPLES_LIST kokkos_assembly)
  else()
  message(STATUS "No Kokkos found, disabling examples with Kokkos assembly.")
  