error: ‘to_string’ is not a member of ‘std’

g++ 编译时出现了这个问题

是因为编译器不支持

所以 加上  -std=c++11

g++ -std=c++11 opencv_tx2.cpp  -o opencv_tx2 `pkg-config --cflags --libs opencv`

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转载自blog.csdn.net/qq_35759574/article/details/82908867