bug#59339: mpv: possible misconfiguration

Hi, I'm using mpv a lot and on the latest guix pull it stopped working with this error message: klm@pal ~ ➤ mpv https://download.blender.org/durian/trailer/sintel_trailer-480p.ogv [ffmpeg/demuxer] ogg: Broken file, keyframe not correctly marked. (+) Video --vid=1 'Sintel Trailer' (theora 854x480

bug#62779: avr-gcc fails after upgrade to gcc 10

Hi, I'm no longer able to compile for attiny85: klm@pal /tmp ➤ echo '' > test.c klm@pal /tmp ➤ avr-gcc -mmcu=attiny85 test.c avr-ld: cannot find crtattiny85.o: No such file or directory avr-ld: cannot find -lm avr-ld: cannot find -lc avr-ld: cannot find -lattiny85 collect2: error: ld returned 1 e