no custom or quantized ops on win cuda

Author: JacobSzwejbka

tools/cmake/preset/llm.cmake

@@ -26,9 +26,13 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
   # Linux-specific code here
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows" OR CMAKE_SYSTEM_NAME STREQUAL
-                                               "WIN32"
+                                                 "WIN32"
 )
-  # Windows or other OS-specific code here
+  # Windows-specific code: disable quantized and custom ops when building with CUDA
+  if(EXECUTORCH_BUILD_CUDA)
+    set_overridable_option(EXECUTORCH_BUILD_KERNELS_QUANTIZED OFF)
+    set_overridable_option(EXECUTORCH_BUILD_KERNELS_LLM OFF)
+  endif()
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
   # Android-specific code here
 else()