taken from the DOS/DJGPP port by Michael Kostylev, mik niipt ru
Originally committed as revision 12178 to svn://svn.ffmpeg.org/ffmpeg/trunk
enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
-enabled libx264 && require x264 x264.h x264_encoder_open -lx264
+enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib