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Fix XNNPACK build on Windows #13259

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Fix XNNPACK build on Windows #13259

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0abe592
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GregoryComer Aug 9, 2025
c045a60
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GregoryComer Aug 10, 2025
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2 changes: 1 addition & 1 deletion backends/xnnpack/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ foreach(fbs_file ${_xnnpack_schema__srcs})
)
endforeach()

if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows")
set(MV_COMMAND
powershell -Command
"Move-Item -Path ${_xnnpack_flatbuffer__outputs} -Destination ${_xnnpack_schema__outputs}"
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8 changes: 7 additions & 1 deletion tools/cmake/preset/windows.cmake
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Expand Up @@ -12,10 +12,16 @@ set_overridable_option(EXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR ON)
set_overridable_option(EXECUTORCH_BUILD_EXTENSION_MODULE ON)
set_overridable_option(EXECUTORCH_BUILD_EXTENSION_RUNNER_UTIL ON)
set_overridable_option(EXECUTORCH_BUILD_EXTENSION_TENSOR ON)
set_overridable_option(EXECUTORCH_BUILD_XNNPACK ON)

# These XNNPACK options don't currently build on Windows.
set_overridable_option(XNNPACK_ENABLE_AVX256SKX OFF)
set_overridable_option(XNNPACK_ENABLE_AVX256VNNI OFF)
set_overridable_option(XNNPACK_ENABLE_AVX256VNNIGFNI OFF)
set_overridable_option(XNNPACK_ENABLE_AVX512BF16 OFF)

# Below options are not yet buildable on Windows, but should be.
set(EXECUTORCH_BUILD_PORTABLE_OPS OFF CACHE BOOL "")
#set_overridable_option(EXECUTORCH_BUILD_EXECUTOR_RUNNER ON)
#set_overridable_option(EXECUTORCH_BUILD_KERNELS_OPTIMIZED ON)
#set_overridable_option(EXECUTORCH_BUILD_KERNELS_QUANTIZED ON)
#set_overridable_option(EXECUTORCH_BUILD_XNNPACK ON)
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