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2026-07-13 13:33:03 +08:00

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1.8 KiB
CMake

option(MNN_QNN_CONVERT_MODE "Enable the Convert mode of the QNN backend." OFF)
file(GLOB BACKEND_SRCS ${CMAKE_CURRENT_LIST_DIR}/backend/*)
file(GLOB EXECUTION_SRCS ${CMAKE_CURRENT_LIST_DIR}/execution/*)
set(MNN_QNN_SRCS ${BACKEND_SRCS} ${EXECUTION_SRCS})
# QNNBackend.cpp 中使用了 flatbuffers/flexbuffers,需要 flatbuffers util.cpp 中提供的
# ClassicLocale::instance_ 静态成员定义。MSVC 链接时不会自动从其它 target 获取,因此
# 显式将 util.cpp 一并编译进 MNN_QNN OBJECT 库。
if (MSVC OR WIN32)
list(APPEND MNN_QNN_SRCS ${CMAKE_SOURCE_DIR}/3rd_party/flatbuffers/src/util.cpp)
endif()
# Prefer CMake variable QNN_SDK_ROOT (passed via -DQNN_SDK_ROOT=...), fallback to environment
set(_QNN_ROOT "$ENV{QNN_SDK_ROOT}")
if (DEFINED QNN_SDK_ROOT AND NOT "${QNN_SDK_ROOT}" STREQUAL "")
set(_QNN_ROOT "${QNN_SDK_ROOT}")
endif()
message(STATUS "QNN Root: ${_QNN_ROOT}")
if (MNN_QNN_CONVERT_MODE)
file(GLOB CONVERTOR_SRCS ${CMAKE_CURRENT_LIST_DIR}/convertor/*.cpp)
list(APPEND MNN_QNN_SRCS ${CONVERTOR_SRCS})
endif()
add_library(MNN_QNN OBJECT ${MNN_QNN_SRCS})
if (MNN_ARM82)
target_compile_options(MNN_QNN PRIVATE -DENABLE_ARMV82)
endif()
if (MNN_QNN_CONVERT_MODE)
target_compile_options(MNN_QNN PRIVATE -DENABLE_QNN_CONVERT_MODE)
endif()
if (MNN_QNN_ONLINE_FINALIZE)
target_compile_options(MNN_QNN PRIVATE -DENABLE_QNN_ONLINE_FINALIZE)
endif()
target_include_directories(MNN_QNN PRIVATE ${CMAKE_CURRENT_LIST_DIR}/backend/)
target_include_directories(MNN_QNN PRIVATE ${CMAKE_CURRENT_LIST_DIR}/convertor/)
target_include_directories(MNN_QNN PRIVATE ${_QNN_ROOT}/include/QNN/)
# 在 MSVC / Windows 上 __fp16 不可用,需要使用 3rd_party/half 提供软件 fp16 转换。
target_include_directories(MNN_QNN PRIVATE ${CMAKE_SOURCE_DIR}/3rd_party/half)