butters ~ # emerge -pv qt

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] x11-libs/qt-4.1.4  USE="cups opengl zlib -accessibility -debug -doc -examples -firebird -gif -jpeg -mng -mysql -nas -nis -odbc -png -postgres -sqlite -xinerama" 0 kB

Total size of downloads: 0 kB
butters ~ # emerge -pv \<qt-4

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] x11-libs/qt-3.3.6-r1  USE="cups ipv6 opengl* -debug -doc -examples -firebird -gif -immqt -immqt-bc -mysql -nas -nis -odbc -postgres -sqlite -xinerama" 0 kB

Total size of downloads: 0 kB