From a0186c7a80b48acb6c1749d8a95123dbfd4ea4c1 Mon Sep 17 00:00:00 2001
From: Philip Hyunsu Cho <phcho@nvidia.com>
Date: Mon, 4 Nov 2024 13:12:07 -0800
Subject: [PATCH] Make cuVS optional if CUML_ALGORITHMS is set (#6125)

cuVS should not be required when building cuML with `CUML_ALGORITHMS=fil`.

Authors:
  - Philip Hyunsu Cho (https://github.com/hcho3)

Approvers:
  - William Hicks (https://github.com/wphicks)
  - Dante Gama Dessavre (https://github.com/dantegd)

URL: https://github.com/rapidsai/cuml/pull/6125
---
 cpp/CMakeLists.txt                          | 4 +++-
 cpp/cmake/modules/ConfigureAlgorithms.cmake | 8 +++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index f400b244c8..09f3b37875 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -228,7 +228,9 @@ endif()
 include(cmake/thirdparty/get_cccl.cmake)
 include(cmake/thirdparty/get_rmm.cmake)
 include(cmake/thirdparty/get_raft.cmake)
-include(cmake/thirdparty/get_cuvs.cmake)
+if(LINK_CUVS)
+  include(cmake/thirdparty/get_cuvs.cmake)
+endif()
 
 if(LINK_TREELITE)
   include(cmake/thirdparty/get_treelite.cmake)
diff --git a/cpp/cmake/modules/ConfigureAlgorithms.cmake b/cpp/cmake/modules/ConfigureAlgorithms.cmake
index 5dcc0a383a..f93425405e 100644
--- a/cpp/cmake/modules/ConfigureAlgorithms.cmake
+++ b/cpp/cmake/modules/ConfigureAlgorithms.cmake
@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2022-2023, NVIDIA CORPORATION.
+# Copyright (c) 2022-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@ if(CUML_ALGORITHMS STREQUAL "ALL")
     set(CUML_RAFT_COMPILED ON)
     set(LINK_TREELITE ON)
     set(LINK_CUFFT ON)
+    set(LINK_CUVS ON)
     set(all_algo ON)
     # setting treeshap to ON to get the gputreeshap include in the cuml_cpp_target
     set(treeshap_algo ON)
@@ -122,5 +123,10 @@ else()
     if(metrics_algo)
         set(CUML_RAFT_COMPILED ON)
     endif()
+
+    if(dbscan_algo OR hdbscan_algo OR kmeans_algo OR knn_algo
+       OR metrics_algo OR tsne_algo OR umap_algo)
+        set(LINK_CUVS ON)
+    endif()
 endif()