On Fri, 13 Feb 2015 12:50:35 +0100 Hinnerk van Bruinehsen <h.v.bruineh...@fu-berlin.de> wrote:
> On Thu, Feb 12, 2015 at 09:02:33AM -0500, Alec Ten Harmsel wrote: > > > > On 02/12/2015 08:15 AM, Gevisz wrote: > > > # 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. > > > > I think (emphasis on the think) that qtwebkit needs libxml2 with -icu, > > and chromium needs libxml2 with +icu. As far as I can tell from reading > > a couple bug reports, it looks like you can rebuild qtwebkit with > > -gstreamer (since that's what causes the !icu? blocker) and then you > > should be able to install chromium. Apparently icu is pretty annoying. > > > > Alternatively, you could just uninstall qtwebkit if you're not using it > > for anything. > > ...or you could enable +icu for qtwebkit so that qtwebkit also depends on > a libxml2 with icu support. That way you could resolve that blocker. It works. I have discovered it myself earlier today. Nevertheless, it is odd as -icu for qtwebkit was set by default. > PS: you'll likely still need to enable icu on libxml2 afterwards unless you > already did so.