【寒武纪硬件产品型号】：MLU220

【出错信息】：在编译阶段，进行交叉编译【cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/cross-compile.cmake ..】时，出现一下报错

-- Found Threads: TRUE

-- Performing Test COMPILER_SUPPORTS_CXX11

-- Performing Test COMPILER_SUPPORTS_CXX11 - Success

-- Could NOT find GFlags (missing: GFLAGS_LIBRARY)

CMake Error at cmake/FindGFlags.cmake:97 (message):

  gflags not found!

Call Stack (most recent call first):

  work/CMakeLists.txt:31 (include)

-- Configuring incomplete, errors occurred!

【参考配置文档链接】选填

https://www.cambricon.com/docs/cnstream/user_guide_html/index.html

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已经运行过pre_required_helper.sh脚本，输出如下：