use UseCUDA module

CMakeLists.txt

@@ -80,38 +80,7 @@ macro(opm-simulators_language_hook)
   # NVCC as for the rest. In the case that NVCC does not support
   # that compiler it will error out.
   if(NOT CMAKE_DISABLE_FIND_PACKAGE_CUDA AND NOT CONVERT_CUDA_TO_HIP)
-    if(CMAKE_BUILD_TYPE)
-      set(_flags_suffix "_${CMAKE_BUILD_TYPE}")
-    endif()
-    if(NOT DEFINED ENV{CUDAHOSTCXX} AND NOT DEFINED CMAKE_CUDA_HOST_COMPILER AND
-        (NOT CMAKE_CUDA_FLAGS${_flags_suffix} OR NOT CMAKE_CUDA_FLAGS${_flags_suffix} MATCHES ".*-ccbin .*"))
-      message(STATUS "Setting CUDA host compiler CMAKE_CUDA_HOST_COMPILER to ${CMAKE_CXX_COMPILER} to "
-        "prevent incompatibilities. Note that this might report that there "
-        "is not CUDA compiler if your system's CUDA compiler does not support "
-        "${CMAKE_CXX_COMPILER}.")
-      # check_language does not seem to care about ${CMAKE_CUDA_FLAGS} or $(CUDA_NVCC_FLAGS}.
-      # Hence we set CMAKE_CUDA_HOST_COMPILER to our C++ compiler.
-      # In check_language(CUDA) we will get an error if we in addition put
-      # "-ccbin ${CMAKE_CXX_COMPILER}" into CMAKE_CUDA_FLAGS. It results
-      # in "${NVCC} -ccbin=${CMAKE_CXX_COMPILER}   -ccbin ${CMAKE_CXX_COMPILER}"
-      # which causes nvcc to abort
-      set(CMAKE_CUDA_HOST_COMPILER ${CMAKE_CXX_COMPILER})
-      set(ENV{CUDAHOSTCXX} ${CMAKE_CUDA_HOST_COMPILER}) # The only thing honored by check_language(CUDA)!
-    endif()
-    include(CheckLanguage)
-    check_language(CUDA)
-    if(CMAKE_CUDA_COMPILER)
-      # OPTIONAL is ignored. Hence the magic above to check whether enabling CUDA works
-      enable_language(CUDA)
-      set(CUDA_FOUND ON)
-    endif()
-    if(CUDA_FOUND AND CMAKE_CUDA_COMPILER_VERSION VERSION_LESS "9.0")
-      set(CUDA_FOUND OFF)
-      message(WARNING
-        "Deactivating CUDA as we require version 9.0 or newer."
-        " Found only CUDA version ${CUDA_VERSION}."
-      )
-    endif()
+    include(UseCUDA)
   endif()
 endmacro()