Export Kokkos_ENABLE_<OPTION> that are relevant

cmake/KokkosConfigCommon.cmake.in

@@ -6,10 +6,18 @@ SET(Kokkos_CXX_COMPILER "@CMAKE_CXX_COMPILER@")
 SET(Kokkos_CXX_COMPILER_ID "@KOKKOS_CXX_COMPILER_ID@")
 SET(Kokkos_CXX_STANDARD @KOKKOS_CXX_STANDARD@)
 
-# These are needed by KokkosKernels
+# Export Kokkos_ENABLE_<BACKEND> for each backend that was enabled.
+# NOTE: "Devices" is a little bit of a misnomer here.  These are really
+# backends, e.g. Kokkos_ENABLE_OPENMP, Kokkos_ENABLE_CUDA, Kokkos_ENABLE_HIP,
+# or Kokkos_ENABLE_SYCL.
 FOREACH(DEV ${Kokkos_DEVICES})
   SET(Kokkos_ENABLE_${DEV} ON)
 ENDFOREACH()
+# Export relevant Kokkos_ENABLE<OPTION> variables, e.g.
+# Kokkos_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE, Kokkos_ENABLE_DEBUG, etc.
+FOREACH(OPT ${Kokkos_OPTIONS})
+  SET(Kokkos_ENABLE_${OPT} ON)
+ENDFOREACH()
 
 IF(Kokkos_ENABLE_CUDA)
   SET(Kokkos_CUDA_ARCHITECTURES @KOKKOS_CUDA_ARCHITECTURES@)