Merge pull request #650 from rapidsai/branch-24.08

Forward-merge branch-24.08 into branch-24.10

rapids-cmake/test/generate_resource_spec.cmake

@@ -46,7 +46,19 @@ files to be generated.
 function(rapids_test_generate_resource_spec DESTINATION filepath)
   list(APPEND CMAKE_MESSAGE_CONTEXT "rapids.test.generate_resource_spec")
 
-  if(NOT DEFINED CMAKE_CUDA_COMPILER AND NOT DEFINED CMAKE_CXX_COMPILER)
+  unset(rapids_lang)
+  get_property(rapids_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
+  if("CXX" IN_LIST rapids_languages)
+    set(rapids_lang CXX)
+    # Even when the CUDA language is disabled we want to pass this since it is used by
+    # find_package(CUDAToolkit) to find the location
+    set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_CUDA_COMPILER)
+  endif()
+  if("CUDA" IN_LIST rapids_languages)
+    set(rapids_lang CUDA)
+  endif()
+
+  if(NOT rapids_lang)
     message(FATAL_ERROR "rapids_test_generate_resource_spec Requires the CUDA or C++ language to be enabled."
     )
   endif()
@@ -58,18 +70,11 @@ function(rapids_test_generate_resource_spec DESTINATION filepath)
     find_package(CUDAToolkit QUIET)
     file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/rapids-cmake/")
 
-    set(compiler "${CMAKE_CXX_COMPILER}")
-    set(lang CXX)
-    if(DEFINED CMAKE_CUDA_COMPILER)
-      set(compiler "${CMAKE_CUDA_COMPILER}")
-      set(lang CUDA)
-    endif()
-
     try_compile(result "${PROJECT_BINARY_DIR}/rapids-cmake/generate_ctest_json-build"
                 "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/detail/generate_resource_spec"
                 generate_resource_spec
                 CMAKE_FLAGS "-DCUDAToolkit_ROOT=${CUDAToolkit_ROOT}" "-Doutput_file=${eval_exe}"
-                            "-Dlang=${lang}" "-Dcuda_toolkit=${CUDAToolkit_FOUND}"
+                            "-Dlang=${rapids_lang}" "-Dcuda_toolkit=${CUDAToolkit_FOUND}"
                 OUTPUT_VARIABLE compile_output)
 
     if(NOT result)