linker error "_url_write"

Hi!

gcc -o mplayer.exe osdep/mplayer-rc.o mplayer.o m_property.o mp_fifo.o
mp_msg.o mixer.o parser-mpcmd.o command.o asxparser.o codec-cfg.o
cpudetect.o edl.o find_sub.o get_path.o m_config.o m_option.o m_struct.o
mpcommon.o parser-cfg.o playtree.o playtreeparser.o spudec.o sub_cc.o
subopt-helper.o subreader.o vobsub.o unrar_exec.o libvo/libvo.a
libao2/libao2.a input/libinput.a libmenu/libmenu.a
libmpcodecs/libmpcodecs.a libaf/libaf.a libmpdemux/libmpdemux.a
stream/stream.a libswscale/libswscale.a libvo/libosd.a
libavformat/libavformat.a libavcodec/libavcodec.a libavutil/libavutil.a
libpostproc/libpostproc.a loader/libloader.a mp3lib/libmp3.a
liba52/liba52.a libmpeg2/libmpeg2.a libfaad2/libfaad2.a
dvdread/libdvdread.a libdvdcss/libdvdcss.a libass/libass.a
osdep/libosdep.a -lwinmm -lgdi32 -lx264
/cygdrive/d/cdrtools/mplayer/live/liveMedia/libliveMedia.a
/cygdrive/d/cdrtools/mplayer/live/groupsock/libgroupsock.a
/cygdrive/d/cdrtools/mplayer/live/UsageEnvironment/libUsageEnvironment.a
/cygdrive/d/cdrtools/mplayer/live/BasicUsageEnvironment/libBasicUsageEnvironment.a
-L/cygdrive/d/cdrtools/mplayer/live -lwinmm -liconv -lncurses -lpng -lz
-ljpeg -lcdio_cdda -lcdio -lcdio_paranoia -lwinmm -L/usr/local/lib
-L/usr/local/lib -lfreetype -lz -lz -lvorbis -logg -lspeex -ladvapi32
-lole32 -lstdc++ -lxvidcore -lm -lole32 -luuid -static -lm

libavformat/libavformat.a(aviobuf.o):aviobuf.c:(.text+0x4d0): undefined reference to `_url_write'
collect2: ld returned 1 exit status
make: *** [mplayer.exe] Error 1


I used the newest svn version.
I tried to solve it, but I can't find any occurrence of "_url_write" in
any sourcefile?
-- 
mfg Thomas