CMake Error at cmake/OpenCVCompilerOptimizations.cmake:647 (message): Compiler doesn't support baseline optimization flags: Call Stack (most recent call first): cmake/OpenCVCompilerOptions.cmake:344 (ocv_compiler_optimization_options) CMakeList
解决方法:
打开这个文件,按照报错的提示:找到第344行,将其注释掉