https://zhuanlan.zhihu.com/p/84839635
可能的错误
common.cc:52:2: error: #error "No suitable threading library available." #error "No suitable threading library available.
解决方法:
在/home/jsaon/tool/opencv-3.4.5/3rdparty/protobuf/src/google/protobuf/stubs/common.cc 中添加下面这一行
#define HAVE_PTHREAD