qtbase seems like a rather heavy dependency for ffmpeg. After looking through 'guix graph ffmpeg' qtbase -> extra-cmake-modules -> fcitx -> sdl2 -> ffmpeg What does sdl2 bring to ffmpeg? (on a similar note, what does it bring to u-boot?) 'guix size ffmpeg' with sdl2: 713.3 MiB without sdl2: 699.2 MiB https://ffmpeg.org/ffmpeg-devices.html#sdl -- Efraim Flashner אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted