Gentoo-i7 ~ # emerge -av =dev-qt/qtcore-5.9.2 These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild R ] dev-libs/libpcre2-10.30::gentoo USE="bzip2 jit pcre16* readline recursion-limit unicode zlib -libedit -pcre32 -static-libs" ABI_X86="32 (64) (-x32)" 1547 KiB [ebuild U ] dev-qt/qtcore-5.9.2:5/5.9::gentoo [5.7.1-r3:5/5.7::gentoo] USE="icu -debug -systemd {-test}" 44091 KiB Total: 2 packages (1 upgrade, 1 reinstall), Size of downloads: 45637 KiB !!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict: dev-qt/qtcore:5 (dev-qt/qtcore-5.9.2:5/5.9::gentoo, ebuild scheduled for merge) pulled in by =dev-qt/qtcore-5.9.2 (Argument) (dev-qt/qtcore-5.7.1-r3:5/5.7::gentoo, installed) pulled in by ~dev-qt/qtcore-5.7.1 required by (dev-qt/qtnetwork-5.7.1:5/5.7::gentoo, installed) ^ ^^^^^ (and 27 more with the same problem)
Created attachment 498436 [details] emerge_info
All Qt packages need to be updated at the same time. This could be achieved, for example, using emerge --deep --update @world or emerge --update $(eix -I --only-names dev-qt/*).
