Не собирается qt-gui-4.4.0_rc1 [SOLVED]

Возникает ошибка :

linking ../../../bin/qdbusviewer
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lQtDBus
collect2: выполнение ld завершилось с кодом возврата 1
make: *** [../../../bin/qdbusviewer] Ошибка 1
*
* ERROR: x11-libs/qt-gui-4.4.0_rc1 failed.
* Call stack:
* ebuild.sh, line 49: Called src_compile
* environment, line 2551: Called build_target_directories
* environment, line 298: Called build_directories 'src_compile'
* environment, line 293: Called die
* The specific snippet of code:
* "${S}"/bin/qmake "LIBS+=-L${QTLIBDIR}" "CONFIG+=nostrip" && emake || die;
* The die message:
* (no error message)
*
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/tmp/portage/x11-libs/qt-gui-4.4.0_rc1/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/x11-libs/qt-gui-4.4.0_rc1/temp/environment'.
*

Подскажите, пожалуйста, как исправить.