debian:/usr/src/linux# make xconfig
*
* Unable to find the QT installation. Please make sure that the
* QT development package is correctly installed and the QTDIR
* environment variable is set to the correct location.
*
make[1]: *** [scripts/kconfig/.tmp_qtcheck] Error 1
make: *** [xconfig] Error 2
debian:/usr/src/linux#
我要裝那個qt的檔呢?