contains(QT_CONFIG, egl): { CONFIG += egl HEADERS += \ egl/qegl_p.h \ egl/qeglcontext_p.h \ egl/qeglproperties_p.h SOURCES += \ egl/qegl.cpp \ egl/qeglproperties.cpp unix { !isEmpty(QMAKE_INCDIR_EGL){ INCLUDEPATH += $$QMAKE_INCDIR_EGL } !isEmpty(QMAKE_LIBDIR_EGL){ for(p, QMAKE_LIBDIR_EGL) { exists($$p):LIBS += -L$$p } } !isEmpty(QMAKE_LIBS_EGL): LIBS += $$QMAKE_LIBS_EGL } SOURCES += egl/qegl_qpa.cpp } else:symbian: { DEFINES += QT_NO_EGL SOURCES += egl/qegl_stub.cpp SOURCES += egl/qeglproperties_stub.cpp }