On Monday 22 May 2017 09:49:01 Jörg Schaible wrote: > Hi Peter, > > Peter Humphrey wrote: > > [snip] > > > Have you seen https://bugs.gentoo.org/show_bug.cgi?id=595618 ? It says > > that "Qt plugins compiled with gcc-4 are incompatible with > > <dev-qt/qtcore-4.8.7 compiled with gcc-5." I don't see how portage can > > be > > expected to anticipate that. On the other hand, some kind of notice > > could > > be issued, and bug 618922 is pursuing that. (That's the one I started > > this thread with.) > > well, this does not seem to be the complete truth. When I switched to gcc > 5.x I did a revdep-rebuild for anything that was compiled against > libstdc++.so.6 just like the according news entry was recommending. And I > am quite sure that those Qt plugins were part of my 515 recompiled > packages. > > Nevertheless, my KDE 4 apps were broken after the update to Qt 4.8.7. > Rebuilding anything that was using libQtCore.so.4 solved it, but I fail to > see how this is related to the gcc update two weeks ago.
I can only suggest you read bug report 618922 if you haven't already, including following its reference to bug 595618. It makes sense to me. -- Regards Peter
