ncnn

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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(CMAKE_C_COMPILER "aarch64-linux-gnu-gcc")
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set(CMAKE_CXX_COMPILER "aarch64-linux-gnu-g++")
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
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    set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
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    set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
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    set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
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    set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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endif()
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set(CMAKE_C_FLAGS "-march=armv8-a")
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set(CMAKE_CXX_FLAGS "-march=armv8-a")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nodefaultlibs -fno-builtin -fno-stack-protector -nostdinc++ -mno-outline-atomics -lc")
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# cache flags
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")
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