QT += opengl svg widgets HEADERS += glwidget.h SOURCES += glwidget.cpp main.cpp RESOURCES += pbuffers2.qrc # install target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/pbuffers2 INSTALLS += target contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")