Win10下Qt+OpenCV+Cmake编译错误 Win10下Qt+OpenCV+Cmake编译错误 工具: QT5.14.2 cmake-3.19.1-win64-x64 opencv4.3.0 mingw-w64-install 安装完Opencv、Qt和Cmake之后在cmd下通过mingw32-make编译,结果出现错误,错误提示如下: 错误(一): gcc: error: long: No su......