alsaplayer fails to compile

[Adam]

Making all in xosd
Making all in output
Making all in alsa-0.5.x
Making all in alsa-final
Making all in oss
source='oss.c' object='oss.lo' libtool=yes  depfile='.deps/oss.Plo'
tmpdepfile='.deps/oss.TPlo'  depmode=gcc /bin/sh ../../depcomp  /bin/sh
../../libtool --mode=compile cc -DHAVE_CONFIG_H -I. -I. -I../..   
-I/usr/local/include -I/usr/X11R6/include -I/usr/local/include
-D_REENTRANT -I../.. -I../../alsaplayer -fexpensive-optimizations
-funroll-loops -finline-functions -ffast-math -Wall -O -pipe -O -pipe -c
-o oss.lo `test -f 'oss.c' || echo './'`oss.c
mkdir .libs
cc -DHAVE_CONFIG_H -I. -I. -I../.. -I/usr/local/include
-I/usr/X11R6/include -I/usr/local/include -D_REENTRANT -I../..
-I../../alsaplayer -fexpensive-optimizations -funroll-loops
-finline-functions -ffast-math -Wall -O -pipe -O -pipe -c oss.c
-Wp,-MD,.deps/oss.TPlo  -fPIC -DPIC -o .libs/oss.lo
oss.c: In function `oss_set_buffer':
oss.c:87: `AFMT_S16_NE' undeclared (first use in this function)
oss.c:87: (Each undeclared identifier is reported only once
oss.c:87: for each function it appears in.)
*** Error code 1

Stop in /usr/ports/audio/alsaplayer/work/alsaplayer-0.99.75/output/oss.
*** Error code 1

Stop in /usr/ports/audio/alsaplayer/work/alsaplayer-0.99.75/output.
*** Error code 1

Stop in /usr/ports/audio/alsaplayer/work/alsaplayer-0.99.75.
*** Error code 1

Stop in /usr/ports/audio/alsaplayer/work/alsaplayer-0.99.75.
*** Error code 1

Stop in /usr/ports/audio/alsaplayer.


*****

Anyone know what is causing this? 


-- 
Adam <blueeskimo at gmx.net>