QT += core gui greaterThan(QT_MAJOR_VERSION, 4): QT += widgets printsupport SOURCES += $$PWD/qcustomplot.cpp \ $$PWD/axis_rect.cpp \ $$PWD/graph.cpp \ $$PWD/graph_tracer.cpp HEADERS += $$PWD/qcustomplot.h \ $$PWD/axis_rect.h \ $$PWD/graph.h \ $$PWD/graph_tracer.h