Disable Kokkos deprecation warnings by default

CMakeLists.txt

@@ -266,6 +266,9 @@ set(CMAKE_CXX_STANDARD "17")
 set(KOKKOS_SOURCE_DIR "${PUGS_SOURCE_DIR}/packages/kokkos")
 set(KOKKOS_BINARY_DIR "${PUGS_BINARY_DIR}/packages/kokkos")
 
+# disable Kokkos deprecation warnings by default
+set(Kokkos_ENABLE_DEPRECATION_WARNINGS OFF CACHE BOOL "")
+
 # setting Kokkos defaults to OpenMP when available
 find_package(OpenMP)
 if(OpenMP_CXX_FOUND)