--- /var/portage/repository/qt/x11-libs/qt-gui/qt-gui-5.0.0.ebuild	2013-01-02 13:15:58.860616635 +0100
+++ /var/portage/repository/my-gentoo/x11-libs/qt-gui/qt-gui-5.0.0.ebuild	2013-01-11 19:14:53.563531614 +0100
@@ -84,7 +84,8 @@
 
 	QCONFIG_DEFINE="$(use egl && echo QT_EGL)
 			$(use eglfs && echo QT_EGLFS)
-			$(use jpeg && echo QT_IMAGEFORMAT_JPEG)"
+			$(use jpeg && echo QT_IMAGEFORMAT_JPEG)
+			$(use accessibility || echo QT_NO_ACCESSIBILITY)"
 
 	qt5-build_pkg_setup
 }