Mark all cccl and cuco kernels with hidden visibility (#523)

Patch both CCCL and CUCO to have only internal linkage.

For cuco I am working on upstreaming these changes ( NVIDIA/cuCollections#422 ). Once that is accepted and we have validated that moving cuco is stable ( e.g. changes around `cuco::experimental::static_set` ) we can drop this patch set.

For cccl the long term fix is to move to CCCL 2.3+, but due to issues ( NVIDIA/cccl#1249, maybe others ) that isn't viable for the 24.02 timeframe.
Since the CCCL changes mean C++ and CUDA sources have non compatible ABI's, we need to specify `THRUST_DISABLE_ABI_NAMESPACE` and `THRUST_IGNORE_ABI_NAMESPACE_ERROR` so that we don't change ABI in rapids-cmake consumers since they expect 2.2 behavior.

Authors:
  - Robert Maynard (https://github.com/robertmaynard)

Approvers:
  - Bradley Dice (https://github.com/bdice)

URL: #523

rapids-cmake/cpm/cccl.cmake

@@ -143,6 +143,21 @@ function(rapids_cpm_cccl)
                                     EXPORT_SET ${_RAPIDS_INSTALL_EXPORT_SET} CONDITION to_install)
   endif()
 
+  # Can be removed once we move to CCCL 2.3
+  #
+  target_compile_definitions(CCCL::CCCL INTERFACE THRUST_DISABLE_ABI_NAMESPACE)
+  target_compile_definitions(CCCL::CCCL INTERFACE THRUST_IGNORE_ABI_NAMESPACE_ERROR)
+  set(post_find_code
+      [=[
+  target_compile_definitions(CCCL::CCCL INTERFACE THRUST_DISABLE_ABI_NAMESPACE)
+  target_compile_definitions(CCCL::CCCL INTERFACE THRUST_IGNORE_ABI_NAMESPACE_ERROR)
+  ]=])
+  include("${rapids-cmake-dir}/export/detail/post_find_package_code.cmake")
+  rapids_export_post_find_package_code(BUILD CCCL "${post_find_code}" EXPORT_SET
+                                       ${_RAPIDS_BUILD_EXPORT_SET})
+  rapids_export_post_find_package_code(INSTALL CCCL "${post_find_code}" EXPORT_SET
+                                       ${_RAPIDS_INSTALL_EXPORT_SET} CONDITION to_install)
+
   # Propagate up variables that CPMFindPackage provides
   set(CCCL_SOURCE_DIR "${CCCL_SOURCE_DIR}" PARENT_SCOPE)
   set(CCCL_BINARY_DIR "${CCCL_BINARY_DIR}" PARENT_SCOPE)