Hello!
I try to make a graph using QCustomPlot, but when I try to build my program (using QTCreator), I get an error:
widget.obj:-1: error: LNK2019: unresolved external symbol "public: __thiscall QCustomPlot::QCustomPlot(class QWidget *)" (??0QCustomPlot@@QAE@PAVQWidget@@@Z) referenced in function "public: void __thiscall Ui_Widget::setupUi(class QWidget *)" (?setupUi@Ui_Widget@@QAEXPAVQWidget@@@Z)Can anyone help?