Mine

cc -I../libvo -I../../libvo  -fno-PIC -O4 -march=prescott -mtune=prescott -pipe -ffast-math -fomit-frame-pointer -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64  -I.      -I/usr/include/freetype2      -I./libavutil -I./libavcodec   -o mplayer mplayer.o m_property.o mp_msg.o asxparser.o codec-cfg.o cpudetect.o edl.o find_sub.o m_config.o m_option.o m_struct.o parser-cfg.o playtree.o playtreeparser.o spudec.o sub_cc.o subreader.o vobsub.o  unrarlib.o mixer.o parser-mpcmd.o subopt-helper.o  libvo/libvo.a libao2/libao2.a  vidix/libvidix.a Gui/libgui.a libmpcodecs/libmpcodecs.a loader/libloader.a loader/dshow/libDS_Filter.a loader/dmo/libDMO_Filter.a libaf/libaf.a libmpdemux/libmpdemux.a input/libinput.a postproc/libswscale.a osdep/libosdep.a -Llibmpdvdkit2 -lmpdvdkit libavcodec/libavcodec.a  libavformat/libavformat.a  libavutil/libavutil.a  libavcodec/libpostproc/libpostproc.a  -lmad     -lmp3lame  -lxvidcore  -lpng -lz -lz  -lasound -ldl -lpthread  -lx264 -lpthread    -lfreetype -lz   -lnsl       -lfontconfig   libfaad2/libfaad2.a  mp3lib/libMP3.a liba52/liba52.a libmpeg2/libmpeg2.a tremor/libvorbisidec.a -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lfontconfig -lXinerama -lXi -lXrandr -lXext -lXcursor -lXfixes -lpango-1.0 -lcairo -lXrender -lX11 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0   -lglib-2.0    -lGL -ldl -lXv   -lXinerama -L/usr/X11R6/lib -lXext -lX11 -lnsl -lpthread -lnsl                  -Wl,-z,noexecstack     -lpthread -ldl -rdynamic  -lm
Gui/libgui.a(interface.o): In function `guiInit':
interface.c:(.text+0xa58): undefined reference to `vo_setwindow'
collect2: ld returned 1 exit status
make: *** [mplayer] Error 1