Remove leftover find_package(CUDA) call

CMakeLists.txt

@@ -292,43 +292,6 @@ endif()
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src)
 
-if(USE_CUDA)
-  find_package(CUDA REQUIRED)
-  add_definitions(-DMSHADOW_USE_CUDA=1)
-  if(NOT CUDA_TOOLSET)
-    set(CUDA_TOOLSET "${CUDA_VERSION_STRING}")
-  endif()
-  if(USE_NCCL)
-    find_package(NCCL)
-    if(NCCL_FOUND)
-      include_directories(${NCCL_INCLUDE_DIRS})
-      list(APPEND mxnet_LINKER_LIBS ${NCCL_LIBRARIES})
-    else()
-      message(WARNING "Could not find NCCL libraries")
-    endif()
-  endif()
-  if(UNIX)
-    find_package(NVTX)
-    if(NVTX_FOUND)
-      include_directories(${NVTX_INCLUDE_DIRS})
-      list(APPEND mxnet_LINKER_LIBS ${NVTX_LIBRARIES})
-      add_definitions(-DMXNET_USE_NVTX=1)
-    else()
-      message(WARNING "Could not find NVTX libraries")
-    endif()
-  endif()
-
-  include_directories(${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})
-else()
-  add_definitions(-DMSHADOW_USE_CUDA=0)
-endif()
-
-if(NCCL_FOUND)
-  add_definitions(-DMXNET_USE_NCCL=1)
-else()
-  add_definitions(-DMXNET_USE_NCCL=0)
-endif()
-
 if (USE_INT64_TENSOR_SIZE)
   message(STATUS "Using 64-bit integer for tensor size")
   add_definitions(-DMSHADOW_INT64_TENSOR_SIZE=1)
@@ -618,15 +581,44 @@ if(MSVC)
 endif()
 
 if(USE_CUDA)
+  # CUDA_SELECT_NVCC_ARCH_FLAGS is not deprecated, though part of deprecated
+  # FindCUDA https://gitlab.kitware.com/cmake/cmake/issues/19199
+  include(${CMAKE_ROOT}/Modules/FindCUDA/select_compute_arch.cmake)
   CUDA_SELECT_NVCC_ARCH_FLAGS(NVCC_FLAGS_ARCH ${MXNET_CUDA_ARCH})
   LIST(APPEND CUDA_NVCC_FLAGS ${NVCC_FLAGS_ARCH})
+
   list(APPEND mxnet_LINKER_LIBS cublas cufft cusolver curand)
   if(ENABLE_CUDA_RTC)
     list(APPEND mxnet_LINKER_LIBS nvrtc cuda)
     add_definitions(-DMXNET_ENABLE_CUDA_RTC=1)
   endif()
   list(APPEND SOURCE ${CUDA})
   add_definitions(-DMXNET_USE_CUDA=1)
+  add_definitions(-DMSHADOW_USE_CUDA=1)
+
+  if(USE_NCCL)
+    find_package(NCCL)
+    if(NCCL_FOUND)
+      include_directories(${NCCL_INCLUDE_DIRS})
+      list(APPEND mxnet_LINKER_LIBS ${NCCL_LIBRARIES})
+      add_definitions(-DMXNET_USE_NCCL=1)
+    else()
+      add_definitions(-DMXNET_USE_NCCL=0)
+      message(WARNING "Could not find NCCL libraries")
+    endif()
+  endif()
+  if(UNIX)
+    find_package(NVTX)
+    if(NVTX_FOUND)
+      include_directories(${NVTX_INCLUDE_DIRS})
+      list(APPEND mxnet_LINKER_LIBS ${NVTX_LIBRARIES})
+      add_definitions(-DMXNET_USE_NVTX=1)
+    else()
+      message(WARNING "Could not find NVTX libraries")
+    endif()
+  endif()
+
+  include_directories(${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})
   link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib64)
 endif()