=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for ffmpeg2-2.8.20nb13
CC	libavdevice/alldevices.o
In file included from libavdevice/alldevices.c:22:
In file included from libavdevice/avdevice.h:46:
In file included from ./libavutil/log.h:25:
In file included from ./libavutil/avutil.h:288:
In file included from ./libavutil/common.h:482:
In file included from ./libavutil/internal.h:42:
In file included from ./libavutil/timer.h:46:
./libavutil/x86/timer.h:39:24: error: invalid output constraint '=a' in asm
                     : "=a" (a), "=d" (d));
                       ^
1 error generated.
gmake: *** [common.mak:57: libavdevice/alldevices.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/multimedia/ffmpeg2
*** Error code 1

Stop.
bmake: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/multimedia/ffmpeg2