MAN     doc/libavfilter.3
CC      ffmpeg.o
ffmpeg.c: In function âwrite_frameâ:
ffmpeg.c:581: warning: âdestructâ is deprecated (declared at ./libavcodec/avcodec.h:1126)
ffmpeg.c: In function âdo_streamcopyâ:
ffmpeg.c:1503: warning: passing argument 2 of âav_copy_packet_side_dataâ discards qualifiers from pointer target type
./libavcodec/avcodec.h:3549: note: expected âstruct AVPacket *â but argument is of type âconst struct AVPacket *â
CC      ffmpeg_opt.o
ffmpeg_opt.c: In function âinit_output_filterâ:
ffmpeg_opt.c:1592: warning: âostâ may be used uninitialized in this function
ffmpeg_opt.c: In function âopen_output_fileâ:
ffmpeg_opt.c:2038: warning: âmâ may be used uninitialized in this function
CC      ffmpeg_filter.o
CC      cmdutils.o
LD      ffmpeg_g
libavcodec/libavcodec.a(libx264.o): In function `X264_init':
/root/ffmpeg/libavcodec/libx264.c:570: undefined reference to `x264_encoder_open_140'
collect2: ld returned 1 exit status
make: *** [ffmpeg_g] Error 1