终端里出现已下错误
functions/qcomparingaggregator.cpp:207:5: error: ‘prepareComparison’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
functions/qcomparingaggregator.cpp:207:5: error: ‘prepareComparison’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]