libqt-mt.so is linked against libX11.
% ldd libqt-mt.so.3.3.8 | grep X11
libX11.so.6 = /usr/lib/libX11.so.6 (0x7fa7749f6000)
build log:
g++ -fno-exceptions -shared -Wl,-soname,libqt-mt.so.3 -o libqt-mt.so.3.3.8
.obj/release-shared-mt/qtaddons_x11.o .obj/release-shared-mt/qapplication_x11.o
.obj/release-shared-mt/qclipboard_x11.o .obj/release-shared-mt/qcolor_x11.o
.obj/release-shared-mt/qcursor_x11.o .obj/release-shared-mt/qdnd_x11.o
.obj/release-shared-mt/qdesktopwidget_x11.o
.obj/release-shared-mt/qeventloop_x11.o .obj/release-shared-mt/qfont_x11.o
.obj/release-shared-mt/qinputcontext.o
.obj/release-shared-mt/qinputcontext_x11.o
.obj/release-shared-mt/qmotifdnd_x11.o .obj/release-shared-mt/qpixmap_x11.o
.obj/release-shared-mt/qpaintdevice_x11.o .obj/release-shared-mt/qpainter_x11.o
.obj/release-shared-mt/qregion_x11.o .obj/release-shared-mt/qsound_x11.o
.obj/release-shared-mt/qwidget_x11.o .obj/release-shared-mt/qwidgetcreate_x11.o
.obj/release-shared-mt/qfontengine_x11.o .obj/release-shared-mt/qprinter_unix.o
.obj/release-shared-mt/qpsprinter.o .obj/release-shared-mt/qeventloop_unix.o
.obj/release-shared-mt/qprocess_unix.o .obj/release-shared-mt/qthread_unix.o
.obj/release-shared-mt/qabstractlayout.o .obj/release-shared-mt/qucomextra.o
.obj/release-shared-mt/qaccel.o .obj/release-shared-mt/qapplication.o
.obj/release-shared-mt/qasyncimageio.o .obj/release-shared-mt/qasyncio.o
.obj/release-shared-mt/qbitmap.o .obj/release-shared-mt/qclipboard.o
.obj/release-shared-mt/qcolor.o .obj/release-shared-mt/qcolor_p.o
.obj/release-shared-mt/qconnection.o .obj/release-shared-mt/qcursor.o
.obj/release-shared-mt/qdragobject.o .obj/release-shared-mt/qdrawutil.o
.obj/release-shared-mt/qdropsite.o .obj/release-shared-mt/qevent.o
.obj/release-shared-mt/qeventloop.o .obj/release-shared-mt/qfocusdata.o
.obj/release-shared-mt/qfont.o .obj/release-shared-mt/qfontdatabase.o
.obj/release-shared-mt/qguardedptr.o .obj/release-shared-mt/qiconset.o
.obj/release-shared-mt/qimage.o .obj/release-shared-mt/qimageformatplugin.o
.obj/release-shared-mt/qkeysequence.o .obj/release-shared-mt/qlayout.o
.obj/release-shared-mt/qlayoutengine.o .obj/release-shared-mt/qtranslator.o
.obj/release-shared-mt/qmetaobject.o .obj/release-shared-mt/qmime.o
.obj/release-shared-mt/qmovie.o .obj/release-shared-mt/qnetworkprotocol.o
.obj/release-shared-mt/qobject.o .obj/release-shared-mt/qobjectcleanuphandler.o
.obj/release-shared-mt/qpainter.o .obj/release-shared-mt/qpalette.o
.obj/release-shared-mt/qpaintdevicemetrics.o .obj/release-shared-mt/qpicture.o
.obj/release-shared-mt/qpixmap.o .obj/release-shared-mt/qpixmapcache.o
.obj/release-shared-mt/qpointarray.o .obj/release-shared-mt/qpoint.o
.obj/release-shared-mt/qpolygonscanner.o .obj/release-shared-mt/qprinter.o
.obj/release-shared-mt/qprocess.o .obj/release-shared-mt/qrect.o
.obj/release-shared-mt/qregion.o .obj/release-shared-mt/qsignal.o
.obj/release-shared-mt/qsignalmapper.o .obj/release-shared-mt/qsize.o
.obj/release-shared-mt/qsizegrip.o .obj/release-shared-mt/qstyle.o
.obj/release-shared-mt/qsocketnotifier.o .obj/release-shared-mt/qsound.o
.obj/release-shared-mt/qstylesheet.o .obj/release-shared-mt/qthread.o
.obj/release-shared-mt/qtimer.o .obj/release-shared-mt/qurl.o
.obj/release-shared-mt/qlocalfs.o .obj/release-shared-mt/qurloperator.o
.obj/release-shared-mt/qurlinfo.o .obj/release-shared-mt/qwidget.o
.obj/release-shared-mt/qwmatrix.o .obj/release-shared-mt/qvariant.o
.obj/release-shared-mt/qrichtext.o .obj/release-shared-mt/qinternal.o
.obj/release-shared-mt/qrichtext_p.o .obj/release-shared-mt/qgplugin.o
.obj/release-shared-mt/qsimplerichtext.o .obj/release-shared-mt/qscriptengine.o
.obj/release-shared-mt/qtextlayout.o .obj/release-shared-mt/qtextengine.o
.obj/release-shared-mt/qbuttongroup.o .obj/release-shared-mt/qbutton.o
.obj/release-shared-mt/qdialogbuttons.o .obj/release-shared-mt/qcheckbox.o
.obj/release-shared-mt/qcombobox.o
.obj/release-shared-mt/qwidgetresizehandler.o .obj/release-shared-mt/qdial.o
.obj/release-shared-mt/qdockarea.o .obj/release-shared-mt/qdockwindow.o
.obj/release-shared-mt/qframe.o .obj/release-shared-mt/qgrid.o
.obj/release-shared-mt/qgridview.o .obj/release-shared-mt/qgroupbox.o
.obj/release-shared-mt/qhbuttongroup.o .obj/release-shared-mt/qheader.o
.obj/release-shared-mt/qhgroupbox.o .obj/release-shared-mt/qhbox.o
.obj/release-shared-mt/qlabel.o .obj/release-shared-mt/qlcdnumber.o
.obj/release-shared-mt/qlineedit.o .obj/release-shared-mt/qlistbox.o
.obj/release-shared-mt/qlistview.o .obj/release-shared-mt/qmainwindow.o
.obj/release-shared-mt/qmenubar.o .obj/release-shared-mt/qmenudata.o
.obj/release-shared-mt/qmultilineedit.o .obj/release-shared-mt/qpopupmenu.o
.obj/release-shared-mt/qprogressbar.o .obj/release-shared-mt/qpushbutton.o
.obj/release-shared-mt/qradiobutton.o .obj/release-shared-mt/qrangecontrol.o
.obj/release-shared-mt/qscrollbar.o
