Dnia 2015-01-19, o godz. 23:09:55 Rémi Cardona <r...@gentoo.org> napisał(a):
> Why not : > > libav? ( media-libs/libav:= ) > ffmpeg? ( media-libs/ffmpeg:= ) > > + REQUIRED_USE="^^ ( libav ffmpeg )" > > I for one would never expect USE=-libav to enable ffmpeg (nor > USE=-ffmpeg to enable libav FWIW). Two reasons: 1. Compatibility. USE=ffmpeg is already used for || ( libav ffmpeg ) in a lot of packages. If we changed the meaning, libav users will end up switching '-ffmpeg libav' per-package. Ugly. 2. Feature-oriented flags. USE=ffmpeg represents the generic feature, USE=libav is auxiliary implementation-switch flag. Well, maybe we could use, say, USE=avcodec to avoid ambiguity but that's a larger change. -- Best regards, Michał Górny
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