Instead of looking up static libraries by hand in `$CUDA_PATH/lib{64,}` (which does not work with
the split CUDA redistributables), link them like any other library, so that the compiler wrapper
finds them in the (nix) `buildInputs`.

--- a/install/cupy_builder/cupy_setup_build.py
+++ b/install/cupy_builder/cupy_setup_build.py
@@ -423,10 +423,7 @@

         s = copy.deepcopy(settings)
         if not no_cuda:
-            s['libraries'] = module.libraries
-            s['extra_objects'] = [
-                _find_static_library(name) for name in module.static_libraries
-            ]
+            s['libraries'] = module.static_libraries + module.libraries

         compile_args = s.setdefault('extra_compile_args', [])
         link_args = s.setdefault('extra_link_args', [])
@@ -490,9 +487,8 @@
             if (not no_cuda and not use_hip
                     and PLATFORM_LINUX
                     and f == 'cupy.cuda.function'):
-                s_file['extra_objects'] = (
-                    s_file.get('extra_objects', [])
-                    + [_find_static_library('cufilt')])
+                s_file['libraries'] = (
+                    ['cufilt'] + s_file.get('libraries', []))

             sources = module_extension_sources(f, use_cython, no_cuda)
             extension = setuptools.Extension(name, sources, **s_file)
