diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8477d81224df5a62328a4f214489151346f9e86b..14dfd1771f65b2e04b7879531da5deb437184bd4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,14 @@ if (POLICY CMP0090)
   endif (NOT DEFINED CMAKE_EXPORT_PACKAGE_REGISTRY)
 endif (POLICY CMP0090)
 
+# NOTE Remove setting the policy once a fix with importing CUDA using enable_language() is working with
+# clang. Most likely that will only happen once the minimum required version is bumped to at least 3.18.
+if (POLICY CMP0146)
+  # Do not generate a warning if CUDA is loaded using find_package() instead of
+  # enable_language().
+  cmake_policy(SET CMP0146 OLD)
+endif ()
+
 project(Eigen3)
 
 # Remove this block after bumping CMake to v3.21.0
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 4c7c3a4683480f17ae4b94fa64f5f759abc0e4d6..f72f53810bbfc50528f29d89790ea56ba2fcfe11 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -399,8 +399,18 @@ if(EIGEN_TEST_CUDA_CLANG AND NOT CMAKE_CXX_COMPILER MATCHES "clang")
   message(WARNING "EIGEN_TEST_CUDA_CLANG is set, but CMAKE_CXX_COMPILER does not appear to be clang.")
 endif()
 
-find_package(CUDA 9.0)
-if(CUDA_FOUND AND EIGEN_TEST_CUDA)
+if(CMAKE_VERSION VERSION_LESS "3.10")
+  find_package(CUDA 9.0)
+else()
+  check_language(CUDA)
+  if(CMAKE_CUDA_COMPILER)
+    enable_language(CUDA)
+  else()
+    message(STATUS "Could NOT find CUDA.")
+  endif()
+endif()
+
+if((CUDA_FOUND OR CMAKE_CUDA_COMPILER) AND (EIGEN_TEST_CUDA))
   # Make sure to compile without the -pedantic, -Wundef, -Wnon-virtual-dtor
   # and -fno-check-new flags since they trigger thousands of compilation warnings
   # in the CUDA runtime
diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt
index 3a985cf5baf1c963e28e982bef590e17f3d3f3da..75226f9a71ce9bb47e356d9c1b75541b767c3bdc 100644
--- a/unsupported/test/CMakeLists.txt
+++ b/unsupported/test/CMakeLists.txt
@@ -216,8 +216,18 @@ if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8" AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "MS
   ei_add_test(cxx11_tensor_uint128)
 endif()
 
-find_package(CUDA 9.0)
-if(CUDA_FOUND AND EIGEN_TEST_CUDA)
+if(CMAKE_VERSION VERSION_LESS "3.10")
+  find_package(CUDA 9.0)
+else()
+  check_language(CUDA)
+  if(CMAKE_CUDA_COMPILER)
+    enable_language(CUDA)
+  else()
+    message(STATUS "Could NOT find CUDA.")
+  endif()
+endif()
+
+if((CUDA_FOUND OR CMAKE_CUDA_COMPILER) AND (EIGEN_TEST_CUDA))
   # Make sure to compile without the -pedantic, -Wundef, -Wnon-virtual-dtor
   # and -fno-check-new flags since they trigger thousands of compilation warnings
   # in the CUDA runtime