Llm preset cuda win (#15253)

No quantized or llm custom ops on windows cuda, they dont build.

Author: JacobSzwejbka

tools/cmake/preset/llm.cmake

@@ -13,11 +13,18 @@ set_overridable_option(EXECUTORCH_BUILD_EXTENSION_LLM_RUNNER ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_MODULE ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_NAMED_DATA_MAP ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_TENSOR ON)
-set_overridable_option(EXECUTORCH_BUILD_KERNELS_LLM ON)
 set_overridable_option(EXECUTORCH_BUILD_KERNELS_OPTIMIZED ON)
-set_overridable_option(EXECUTORCH_BUILD_KERNELS_QUANTIZED ON)
 set_overridable_option(EXECUTORCH_BUILD_XNNPACK ON)
 
+# Turn on the quantized and LLM kernels unless on windows cuda build which
+# currently doesn't support this due to using msvc.
+if(NOT (EXECUTORCH_BUILD_CUDA AND (CMAKE_SYSTEM_NAME STREQUAL "Windows"
+                                   OR CMAKE_SYSTEM_NAME STREQUAL "WIN32"))
+)
+  set_overridable_option(EXECUTORCH_BUILD_KERNELS_QUANTIZED ON)
+  set_overridable_option(EXECUTORCH_BUILD_KERNELS_LLM ON)
+endif()
+
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
   set_overridable_option(EXECUTORCH_BUILD_COREML ON)
   set_overridable_option(EXECUTORCH_BUILD_MPS ON)
@@ -29,7 +36,7 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows" OR CMAKE_SYSTEM_NAME STREQUAL
                                                "WIN32"
 )
-  # Windows or other OS-specific code here
+
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
   # Android-specific code here
 else()