ffmpeg build fails

[Andriy Babiy]

Hi all.

Is anyone else experiencing this problem? What can I do to avoid it? Thank 
you very much in advance for advices.

Andriy

====================
S01060014bf5ee711# uname -a
FreeBSD S01060014bf5ee711 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Thu Feb 22 
00:43:46 PST 2007     root@:/usr/obj/usr/src/sys/KRNSTABLE  amd64

==================
gmake[1]: Entering directory 
`/usr/ports/multimedia/ffmpeg/work/ffmpeg-0.4.9-pre1/libavformat'
cc -O3 -Wall -fPIC -DPIC -I/usr/local/include  -I/usr/X11R6/include  -fomit-frame-pointer -fno-unit-at-a-time -I.. -I/usr/ports/multimedia/ffmpeg/work/ffmpeg-0.4.9-pre1 -I/usr/ports/multimedia/ffmpeg/work/ffmpeg-0.4.9-pre1/libavcodec -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o 
audio.o audio.c
audio.c:24:27: sys/soundcard.h: No such file or directory
audio.c: In function `audio_open':
audio.c:81: error: `SNDCTL_DSP_GETFMTS' undeclared (first use in this 
function)
audio.c:81: error: (Each undeclared identifier is reported only once
audio.c:81: error: for each function it appears in.)
audio.c:92: error: `AFMT_S16_LE' undeclared (first use in this function)
audio.c:94: error: `AFMT_S16_BE' undeclared (first use in this function)
audio.c:113: error: `SNDCTL_DSP_SETFMT' undeclared (first use in this 
function)
audio.c:120: error: `SNDCTL_DSP_STEREO' undeclared (first use in this 
function)
audio.c:129: error: `SNDCTL_DSP_SPEED' undeclared (first use in this 
function)
audio.c: In function `audio_read_packet':
audio.c:243: error: storage size of 'abufi' isn't known
audio.c:279: error: `SNDCTL_DSP_GETISPACE' undeclared (first use in this 
function)
audio.c:243: warning: unused variable `abufi'
gmake[1]: *** [audio.o] Error 1
gmake[1]: Leaving directory 
`/usr/ports/multimedia/ffmpeg/work/ffmpeg-0.4.9-pre1/libavformat'
gmake: *** [lib] Error 2
*** Error code 2

Stop in /usr/ports/multimedia/ffmpeg.