After recent bug with changed Xorg-server suid use flag, I became very suspicious about spontanеous use flag shanges during system update and check them all.
Today, I noticed the following attemped to change use flags in my Gentoo system during update: # emerge --update --deep --with-bdeps=y --newuse --backtrack=120 --ask world These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild R ] dev-util/ninja-1.8.2 USE="(-zsh-completion%)" [ebuild R ] media-video/ffmpeg-3.3.6 USE="(-celt%)" [ebuild R ] media-video/vlc-3.0.4 USE="(-schroedinger%)" The problem is that $ equery uses ffmpeg and $ equery uses vlc commands show no celt and schroedinger use flags at all. Why?