Something

make[1]: Leaving directory `/media/lvm/src/mplayer/libmpdemux'
cc -o mencoder mencoder.o mp_msg-mencoder.o parser-mecmd.o xvid_vbr.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 libmpcodecs/libmpencoders.a libmpdemux/libmpmux.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 tremor/libvorbisidec.a dvdread/libdvdread.a libdvdcss/libdvdcss.a libass/libass.a osdep/libosdep.a -lfaac -lmp3lame -L/usr/lib -Wl,-z,noexecstack    -lncurses -lpng -lz -ljpeg -lungif -lasound -ldl -lpthread -lcdda_interface -lcdda_paranoia -lfreetype -lz -lfontconfig  -lz -llzo2 -lmad -ldts -lpthread -ldl -rdynamic -llirc_client  -lm
libmpcodecs/libmpencoders.a(ve_vfw.o): In function `vf_open':
ve_vfw.c:(.text+0x10a): undefined reference to `CoInitializeEx'
libmpcodecs/libmpencoders.a(ve_vfw.o): In function `uninit':
ve_vfw.c:(.text+0x718): undefined reference to `CoUninitialize'
collect2: ld returned 1 exit status
make: *** [mencoder] Error 1