[MPlayer-users] svn21610: ./configure: line 7549: ac3_muxer: command not found

[Protoblast]

Hello. I use Mplayer from subversion, and now mplayer "Updated to
revision 21610"

$ make clean
$ ./configure --enable-gui

...bla...bla...bla...
Checking for joystick ... no 
Checking for lirc ... no 
Checking for lircc ... no 
Checking for color console output ... no 
Creating config.mak
Creating config.h
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
./configure: line 7549: ac3_muxer: command not found
...bla...bla...bla...

What can I do?