MinGW编译opencv出现File too big

MinGW编译opencv出现File too big

参考：Error to build OpenCV 4.0.1 in Debug mode from source · Issue #13546 · opencv/opencv · GitHub

CMakeFiles3.21.0-rc2CMakeCXXCompiler.cmake中添加：

set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-O3") 

mingw32-make -j8不行的话换成 mingw32-make

另外注意文件夹权限问题