qt@gentoo.org Gentoo Qt Project Enable EGL integration Build the EGL Full Screen/Single Surface platform plugin Enable support for input devices via evdev Use GLES 2.0 or later instead of full OpenGL Build the IBus input method plugin Enable support for input devices via dev-libs/libinput Enable support for touchscreen devices via x11-libs/tslib Build plugin to receive touch events over the TUIO protocol Build the XCB platform plugin and enable X11 integration https://bugreports.qt.io/ https://doc.qt.io/ Must only be used by packages that are known to use private parts of the Qt API.