http://alien.slackbook.org/blog/
what i did was blacklist all of his kde packages, and multilib packages, then ran slackpkg upgrade-all, with the intention of installing his updated packages after that finished
however it is error-ing like crazy due to
Code:
expr: error while loading shared libraries: libgmp.so.10: cannot open shared object file: No such file or directory
so you might want to wait a bit