ncnn

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# set cross-compiled system type, it's better not use the type which cmake cannot recognized.
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR arm)
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# when hislicon SDK was installed, toolchain was installed in the path as below: 
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set(CMAKE_C_COMPILER /opt/hisi-linux/x86-arm/arm-himix200-linux/bin/arm-himix200-linux-gcc)
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set(CMAKE_CXX_COMPILER /opt/hisi-linux/x86-arm/arm-himix200-linux/bin/arm-himix200-linux-g++)
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# set searching rules for cross-compiler
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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} and ${CMAKE_CXX_FLAGS}flag for cross-compiled process
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set(CROSS_COMPILATION_ARM himix200)
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set(CROSS_COMPILATION_ARCHITECTURE armv7-a)
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# set g++ param
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set(CMAKE_CXX_FLAGS "-march=armv7-a -mfloat-abi=softfp -mfpu=neon-vfpv4 ${CMAKE_CXX_FLAGS}")
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# cache flags
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set(CMAKE_C_FLAGS "${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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