=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Building for xmix-2.1nb3
cc -O      -I/usr/pkg/include -I /usr/X11R7/include         -I/usr/X11R7/include -c xmix.c
xmix.c:88:10: fatal error: 'machine/soundcard.h' file not found
#include <machine/soundcard.h>
         ^
1 error generated.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/audio/xmix/work/xmix
*** Error code 1

Stop.
bmake[1]: stopped in /usr/pkgsrc/audio/xmix
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/audio/xmix