QT += network QNETWORK_SRC = $$QT_SOURCE_TREE/src/network INCLUDEPATH += $$QNETWORK_SRC win32:LIBS += -lws2_32 unix:qtConfig(reduce_exports) { SOURCES += $$QNETWORK_SRC/socket/qnativesocketengine_unix.cpp SOURCES += $$QNETWORK_SRC/socket/qnativesocketengine.cpp SOURCES += $$QNETWORK_SRC/socket/qabstractsocketengine.cpp }