Making cuco, thrust, and mdspan optional dependencies.

cpp/CMakeLists.txt

@@ -160,7 +160,10 @@ target_link_libraries(raft INTERFACE
         CUDA::cudart
         CUDA::cusparse
         rmm::rmm
+<<<<<<< Updated upstream
         $<$<BOOL:${RAFT_ENABLE_cuco_DEPENDENCY}>:cuco::cuco>
+=======
+>>>>>>> Stashed changes
         std::mdspan)
 
 target_compile_definitions(raft INTERFACE $<$<BOOL:${NVTX}>:NVTX_ENABLED>)
@@ -243,6 +246,7 @@ endif()
 
 target_link_libraries(raft_distance INTERFACE
     raft::raft
+    $<$<BOOL:${cuco_ADDED}>:cuco::cuco>
     $<TARGET_NAME_IF_EXISTS:raft_distance_lib>
     $<TARGET_NAME_IF_EXISTS:raft::raft_distance_lib>
 )

cpp/cmake/thirdparty/get_cuco.cmake

@@ -19,8 +19,8 @@ function(find_and_configure_cuco VERSION)
     if(RAFT_ENABLE_cuco_DEPENDENCY)
         rapids_cpm_find(cuco ${VERSION}
           GLOBAL_TARGETS      cuco::cuco
-          BUILD_EXPORT_SET    raft-exports
-          INSTALL_EXPORT_SET  raft-exports
+          BUILD_EXPORT_SET    raft-distance-exports
+          INSTALL_EXPORT_SET  raft-distance-exports
           CPM_ARGS
             GIT_REPOSITORY https://github.com/NVIDIA/cuCollections.git
             GIT_TAG        0ca860b824f5dc22cf8a41f09912e62e11f07d82