Using EXPORT_SET in rapids_find_package_root (#2006)

Authors:
  - Corey J. Nolet (https://github.com/cjnolet)

Approvers:
  - Vyas Ramasubramani (https://github.com/vyasr)
  - Robert Maynard (https://github.com/robertmaynard)

URL: #2006

cpp/cmake/thirdparty/get_spdlog.cmake

@@ -26,7 +26,7 @@ function(find_and_configure_spdlog)
                 GLOBAL_TARGETS spdlog spdlog_header_only
                 NAMESPACE spdlog::)
         include("${rapids-cmake-dir}/export/find_package_root.cmake")
-        rapids_export_find_package_root(BUILD spdlog [=[${CMAKE_CURRENT_LIST_DIR}]=] rmm-exports)
+        rapids_export_find_package_root(BUILD spdlog [=[${CMAKE_CURRENT_LIST_DIR}]=] EXPORT_SET rmm-exports)
     endif()
 endfunction()