FindCUDAToolkit: Link CUDA::nvml_static against DL libraries

And fix a potential failure mode where CUDA::sanitizer was already
added in a different project.

Modules/FindCUDAToolkit.cmake

@@ -1486,7 +1486,12 @@ if(CUDAToolkit_FOUND)
   endif()
 
   _CUDAToolkit_find_and_add_import_lib(nvml ALT nvidia-ml nvml)
-  _CUDAToolkit_find_and_add_import_lib(nvml_static ONLY_SEARCH_FOR libnvidia-ml.a libnvml.a)
+  if(NOT TARGET CUDA::nvml_static)
+    _CUDAToolkit_find_and_add_import_lib(nvml_static ONLY_SEARCH_FOR libnvidia-ml.a libnvml.a)
+    if(TARGET CUDA::nvml_static)
+      target_link_libraries(CUDA::nvml_static INTERFACE ${CMAKE_DL_LIBS})
+    endif()
+  endif()
 
   if(CUDAToolkit_VERSION VERSION_GREATER_EQUAL 10.0)
     # Header-only variant. Uses dlopen().
@@ -1538,22 +1543,24 @@ if(CUDAToolkit_FOUND)
     set_property(TARGET CUDA::bin2c PROPERTY IMPORTED_LOCATION "${CUDA_bin2c_EXECUTABLE}")
   endif()
 
-  _CUDAToolkit_find_and_add_import_lib(
-    sanitizer
-    ONLY_SEARCH_FOR sanitizer-public
-    EXTRA_PATH_SUFFIXES
-      "../compute-sanitizer"
-      "../../../compute-sanitizer"
-      "../Sanitizer"
-      "../../../Sanitizer"
-      "../extras/Sanitizer"
-      "../../../extras/Sanitizer"
-    EXTRA_INCLUDE_DIRS "${CUDAToolkit_CUPTI_INCLUDE_DIR}"
-  )
-  if(TARGET CUDA::sanitizer)
-    get_property(loc TARGET CUDA::sanitizer PROPERTY IMPORTED_LOCATION)
-    get_filename_component(sanitizer_dir "${loc}" DIRECTORY)
-    target_include_directories(CUDA::sanitizer INTERFACE "${sanitizer_dir}/include")
+  if(NOT TARGET CUDA::sanitizer)
+    _CUDAToolkit_find_and_add_import_lib(
+      sanitizer
+      ONLY_SEARCH_FOR sanitizer-public
+      EXTRA_PATH_SUFFIXES
+        "../compute-sanitizer"
+        "../../../compute-sanitizer"
+        "../Sanitizer"
+        "../../../Sanitizer"
+        "../extras/Sanitizer"
+        "../../../extras/Sanitizer"
+      EXTRA_INCLUDE_DIRS "${CUDAToolkit_CUPTI_INCLUDE_DIR}"
+    )
+    if(TARGET CUDA::sanitizer)
+      get_property(loc TARGET CUDA::sanitizer PROPERTY IMPORTED_LOCATION)
+      get_filename_component(sanitizer_dir "${loc}" DIRECTORY)
+      target_include_directories(CUDA::sanitizer INTERFACE "${sanitizer_dir}/include")
+    endif()
   endif()
 endif()