我想在QT中使用opencv，所以我必须用mingw编译它。当我想用CMake2.8.10.2编译它时出现以下错误TheCXXcompileridentificationisGNU4.7.2TheCcompileridentificationisGNU4.7.2CheckforworkingCXXcompiler:C:/Qt/Qt5.0.1/Tools/MinGW/bin/g++.exeCheckforworkingCXXcompiler:C:/Qt/Qt5.0.1/Tools/MinGW/bin/g++.exe--brokenCMakeErroratC:/ProgramFiles(x