Set -Wno-deprecated-gpu-targets when compiling for RAPIDS architectures (#776)

Closes #761.

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

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

URL: #776

Author: bdice

rapids-cmake/cuda/set_architectures.cmake

@@ -85,6 +85,13 @@ function(rapids_cuda_set_architectures mode)
     list(TRANSFORM CMAKE_CUDA_ARCHITECTURES APPEND "-real")
   endif()
 
+  # CUDA 12.8.0 and later warns when compiling for arch 70. We ignore this warning when compiling
+  # for RAPIDS architectures.
+  if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA" AND CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL
+                                                  12.8.0)
+    string(APPEND CMAKE_CUDA_FLAGS " -Wno-deprecated-gpu-targets")
+  endif()
+
   # cache the cuda archs.
   get_property(cached_value GLOBAL PROPERTY rapids_cuda_architectures)
   if(NOT cached_value)
@@ -103,5 +110,6 @@ function(rapids_cuda_set_architectures mode)
 
   # Set as a local variable to maintain comp
   set(CMAKE_CUDA_ARCHITECTURES ${CMAKE_CUDA_ARCHITECTURES} PARENT_SCOPE)
+  set(CMAKE_CUDA_FLAGS ${CMAKE_CUDA_FLAGS} PARENT_SCOPE)
 
 endfunction()

testing/cuda/validate-cuda-native.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2024, NVIDIA CORPORATION.
+# Copyright (c) 2021-2025, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -29,3 +29,9 @@ endforeach()
 if(NOT DEFINED CACHE{CMAKE_CUDA_ARCHITECTURES} )
   message(FATAL_ERROR "rapids_cuda_set_architectures didn't make CMAKE_CUDA_ARCHITECTURES a cache variable")
 endif()
+
+if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 12.8.0 )
+  if(NOT CMAKE_CUDA_FLAGS MATCHES "Wno-deprecated-gpu-targets")
+    message(FATAL_ERROR "CMAKE_CUDA_FLAGS should have -Wno-deprecated-gpu-targets")
+  endif()
+endif()

testing/cuda/validate-cuda-rapids.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2024, NVIDIA CORPORATION.
+# Copyright (c) 2021-2025, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -48,3 +48,9 @@ list(APPEND CMAKE_CUDA_ARCHITECTURES ${last_value})
 if(NOT DEFINED CACHE{CMAKE_CUDA_ARCHITECTURES} )
   message(FATAL_ERROR "rapids_cuda_set_architectures didn't make CMAKE_CUDA_ARCHITECTURES a cache variable")
 endif()
+
+if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 12.8.0 )
+  if(NOT CMAKE_CUDA_FLAGS MATCHES "Wno-deprecated-gpu-targets")
+    message(FATAL_ERROR "CMAKE_CUDA_FLAGS should have -Wno-deprecated-gpu-targets")
+  endif()
+endif()