# emerge --ask chromium ... > The following USE changes are necessary to proceed: > (see "package.use" in the portage(5) man page for more details) > # required by www-client/chromium-40.0.2214.111 > # required by chromium (argument) > >=dev-libs/libxml2-2.9.2 icu
Ok, done. # emerge --ask chromium ... > !!! Multiple package instances within a single package slot have been pulled > !!! into the dependency graph, resulting in a slot conflict: > > dev-libs/libxml2:2 > > (dev-libs/libxml2-2.9.2:2/2::gentoo, ebuild scheduled for merge) pulled in by > dev-libs/libxml2:=[icu] required by > (www-client/chromium-40.0.2214.111:0/0::gentoo, ebuild scheduled for merge) > ^^^ > > > > (dev-libs/libxml2-2.9.2:2/2::gentoo, installed) pulled in by > dev-libs/libxml2:2[!icu?] required by (dev-qt/qtwebkit-4.8.5:4/4::gentoo, > installed) > ^^^^^ > > > 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. Ok. # emerge --ask --backtrack=90 chromium ... > !!! Multiple package instances within a single package slot have been pulled > !!! into the dependency graph, resulting in a slot conflict: > > dev-libs/libxml2:2 > > (dev-libs/libxml2-2.9.2:2/2::gentoo, ebuild scheduled for merge) pulled in by > dev-libs/libxml2:=[icu] required by > (www-client/chromium-40.0.2214.111:0/0::gentoo, ebuild scheduled for merge) > ^^^ > > > (dev-libs/libxml2-2.9.2:2/2::gentoo, installed) pulled in by > dev-libs/libxml2:2[!icu?] required by (dev-qt/qtwebkit-4.8.5:4/4::gentoo, > installed) > ^^^^^ > > > 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. > > For more information, see MASKED PACKAGES section in the emerge man > page or refer to the Gentoo Handbook. And I would not report it if ._cfg0002_package.use would not suggested to insert # required by www-client/chromium-40.0.2214.111 # required by chromium (argument) >=dev-libs/libxml2-2.9.2 icu into /etc/portage/package.use for the third time in a row.