I have been fighting with this for at least three weeks now. Most of the conflicting packages are qt-based, between 4.8.1 (which I want) and 4.7.4 (which I don't want). I have rebuilt every package I can find again 4.8.1, but emerge still wants to install 4.7.4, despite the fact that I've altered my /etc/portage/package.mask file to try to keep them away. Here's my /etc/portage/package.mask:
michael@camille currentmnt $ cat /etc/portage/package.mask >=sys-power/powermgmt-base-1.22 sys-apps/apmd =kde-base/libknotificationitem-4.3.5 =sys-apps/hal-0.5.14-r4 =media-libs/libvpx-0.9.6 =gnome-extra/gnome-system-monitor-2.28.2-r1 =gnome-extra/gnome-screensaver-2.30.2-r1 =gnome-base/gnome-settings-daemon-2.32.1-r1 <x11-libs/qt-script-4.8.1::gentoo <x11-libs/qt-core-4.8.1-r3::gentoo <x11-libs/qt-sql-4.8.1::gentoo <x11-libs/qt-dbus-4.8.1::gentoo <x11-libs/qt-gui-4.8.1-r1::gentoo <x11-libs/qt-qt3support-4.8.1::gentoo Here's a shortened version of what I get when I run python-updater: !!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict: x11-libs/qt-script:4 (x11-libs/qt-script-4.8.1::gentoo, installed) pulled in by ~x11-libs/qt-script-4.8.1[aqua=,c++0x=,qpa=,debug=] required by (x11-libs/qt-gui-4.8.1-r1::gentoo, installed) (and 1 more with the same problem) (x11-libs/qt-script-4.7.4::gentoo, ebuild scheduled for merge) pulled in by ~x11-libs/qt-script-4.7.4[aqua=,debug=] required by (x11-libs/qt-gui-4.7.4-r1::gentoo, ebuild scheduled for merge) x11-libs/qt-sql:4 (x11-libs/qt-sql-4.8.1::gentoo, installed) pulled in by ~x11-libs/qt-sql-4.8.1[aqua=,c++0x=,debug=,qpa=,qt3support=] required by (x11-libs/qt-declarative-4.8.1::gentoo, installed) (and 1 more with the same problem) (x11-libs/qt-sql-4.7.4::gentoo, ebuild scheduled for merge) pulled in by ~x11-libs/qt-sql-4.7.4[aqua=,debug=,qt3support] required by (x11-libs/qt-qt3support-4.7.4::gentoo, ebuild scheduled for merge) kde-base/oxygen-icons:4 (kde-base/oxygen-icons-4.8.1::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) (kde-base/oxygen-icons-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/oxygen-icons-4.8.3:4[aqua=] required by (kde-base/nepomuk-4.8.3::gentoo, ebuild scheduled for merge) (and 19 more with the same problem) x11-libs/qt-core:4 (x11-libs/qt-core-4.8.1-r3::gentoo, installed) pulled in by ~x11-libs/qt-core-4.8.1[aqua=,c++0x=,debug=,qpa=,qt3support=] required by (x11-libs/qt-declarative-4.8.1::gentoo, installed) (and 10 more with the same problem) (x11-libs/qt-core-4.7.4-r1::gentoo, ebuild scheduled for merge) pulled in by ~x11-libs/qt-core-4.7.4[aqua=,debug=,glib=,qt3support=] required by (x11-libs/qt-gui-4.7.4-r1::gentoo, ebuild scheduled for merge) (and 4 more with the same problem) sys-libs/zlib:0 (sys-libs/zlib-1.2.5-r2::gentoo, ebuild scheduled for merge) pulled in by <sys-libs/zlib-1.2.5.1-r1:0 required by (dev-db/virtuoso-server-6.1.3-r2::gentoo, installed) (sys-libs/zlib-1.2.5.1-r2::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) x11-libs/qt-dbus:4 (x11-libs/qt-dbus-4.7.4::gentoo, ebuild scheduled for merge) pulled in by ~x11-libs/qt-dbus-4.7.4[aqua=,debug=] required by (x11-libs/qt-gui-4.7.4-r1::gentoo, ebuild scheduled for merge) (x11-libs/qt-dbus-4.8.1::gentoo, installed) pulled in by ~x11-libs/qt-dbus-4.8.1[aqua=,c++0x=,qpa=,debug=] required by (x11-libs/qt-gui-4.8.1-r1::gentoo, installed) kde-base/kdelibs:4 (kde-base/kdelibs-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/kdelibs-4.8.3:4[aqua=,handbook] required by (kde-base/ksysguard-4.8.3::gentoo, ebuild scheduled for merge) (and 29 more with the same problem) (kde-base/kdelibs-4.8.1-r2::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) x11-libs/qt-gui:4 (x11-libs/qt-gui-4.7.4-r1::gentoo, ebuild scheduled for merge) pulled in by ~x11-libs/qt-gui-4.7.4[accessibility=,aqua=,debug=,qt3support] required by (x11-libs/qt-qt3support-4.7.4::gentoo, ebuild scheduled for merge) (and 1 more with the same problem) (x11-libs/qt-gui-4.8.1-r1::gentoo, installed) pulled in by ~x11-libs/qt-gui-4.8.1[aqua=,c++0x=,debug=,qpa=] required by (x11-libs/qt-webkit-4.8.1::gentoo, installed) (and 5 more with the same problem) kde-base/nepomuk:4 (kde-base/nepomuk-4.8.1-r1::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) (kde-base/nepomuk-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/nepomuk-4.8.3:4[aqua=] required by (kde-base/kdelibs-4.8.3::gentoo, ebuild scheduled for merge) kde-base/kdesu:4 (kde-base/kdesu-4.8.1::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) (kde-base/kdesu-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/kdesu-4.8.3:4[aqua=] required by (kde-base/khelpcenter-4.8.3::gentoo, ebuild scheduled for merge) kde-base/katepart:4 (kde-base/katepart-4.8.1::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) (kde-base/katepart-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/katepart-4.8.3:4[aqua=] required by (kde-base/kdelibs-4.8.3::gentoo, ebuild scheduled for merge) x11-libs/qt-qt3support:4 (x11-libs/qt-qt3support-4.8.1::gentoo, installed) pulled in by ~x11-libs/qt-qt3support-4.8.1[accessibility=,aqua=,c++0x=,debug=,qpa=] required by (x11-libs/qt-declarative-4.8.1::gentoo, installed) (and 1 more with the same problem) (x11-libs/qt-qt3support-4.7.4::gentoo, ebuild scheduled for merge) pulled in by >=x11-libs/qt-qt3support-4.6.3:4[accessibility,kde] required by (net-libs/libbluedevil-1.9::gentoo, installed) >=x11-libs/qt-qt3support-4.6.3:4[accessibility,kde] required by (net-wireless/bluedevil-1.1-r2::gentoo, installed) ~x11-libs/qt-qt3support-4.7.4[aqua=,debug=] required by (x11-libs/qt-gui-4.7.4-r1::gentoo, ebuild scheduled for merge) kde-base/khelpcenter:4 (kde-base/khelpcenter-4.8.1::gentoo, installed) pulled in by (no parents that aren't satisfied by other packages in this slot) (kde-base/khelpcenter-4.8.3::gentoo, ebuild scheduled for merge) pulled in by >=kde-base/khelpcenter-4.8.3:4[aqua=] required by (kde-base/kdelibs-4.8.3::gentoo, ebuild scheduled for merge) It may be possible to solve this problem by using package.mask to prevent one of those packages from being selected. However, it is also possible that conflicting dependencies exist such that they are impossible to satisfy simultaneously. If such a conflict exists in the dependencies of two different packages, then those packages can not be installed simultaneously. You may want to try a larger value of the --backtrack option, such as --backtrack=30, in order to see if that will solve this conflict automatically. For more information, see MASKED PACKAGES section in the emerge man page or refer to the Gentoo Handbook. The following mask changes are necessary to proceed: #required by x11-libs/qt-sql-4.7.4, required by x11-libs/qt-qt3support-4.7.4, required by x11-libs/qt-gui-4.7.4-r1[qt3support] # /etc/portage/package.mask: =x11-libs/qt-core-4.7.4-r1 #required by x11-libs/qt-gui-4.7.4-r1[dbus], required by x11-libs/qt-qt3support-4.7.4, required by net-libs/libbluedevil-1.9, required by net-wireless/bluedevil-1.1-r2, required by kde-base/solid-4.8.3[bluetooth], required by kde-base/plasma-workspace-4.8.3, required by kde-base/plasma-workspace:4 (argument) # /etc/portage/package.mask: =x11-libs/qt-dbus-4.7.4 #required by x11-libs/qt-qt3support-4.7.4, required by x11-libs/qt-gui-4.7.4-r1[qt3support], required by x11-libs/qt-core-4.7.4-r1[qt3support], required by x11-libs/qt-script-4.7.4 # /etc/portage/package.mask: =x11-libs/qt-sql-4.7.4 #required by x11-libs/qt-qt3support-4.7.4, required by net-libs/libbluedevil-1.9, required by net-wireless/bluedevil-1.1-r2, required by kde-base/solid-4.8.3[bluetooth], required by kde-base/plasma-workspace-4.8.3, required by kde-base/plasma-workspace:4 (argument) # /etc/portage/package.mask: =x11-libs/qt-gui-4.7.4-r1 #required by x11-libs/qt-gui-4.7.4-r1, required by x11-libs/qt-qt3support-4.7.4, required by net-libs/libbluedevil-1.9, required by net-wireless/bluedevil-1.1-r2, required by kde-base/solid-4.8.3[bluetooth], required by kde-base/plasma-workspace-4.8.3, required by kde-base/plasma-workspace:4 (argument) # /etc/portage/package.mask: =x11-libs/qt-script-4.7.4 #required by x11-libs/qt-gui-4.7.4-r1[qt3support], required by x11-libs/qt-core-4.7.4-r1[qt3support], required by x11-libs/qt-sql-4.7.4 # /etc/portage/package.mask: =x11-libs/qt-qt3support-4.7.4 NOTE: The --autounmask-keep-masks option will prevent emerge from creating package.unmask or ** keyword changes. Use --autounmask-write to write changes to config files (honoring CONFIG_PROTECT). How do I get the system to stop bothering me about qt-*-*-4.7.4?