linaro@linaro-alip:~$ ffmpeg -buildconf
ffmpeg version N-83228-gbd54ed4 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.9.2 (Debian 4.9.2-10)
  configuration: --enable-rkmpp
  WARNING: library configuration mismatch
  avutil      configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  avcodec     configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  avformat    configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  avdevice    configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  avfilter    configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  swscale     configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  swresample  configuration: --enable-rkmpp --disable-ffprobe --disable-ffplay --disable-ffserver --disable-devices --disable-x11grab --disable-encoders --enable-encoder=ac3 --disable-muxers --enable-muxer=spdif --enable-muxer=null --disable-indevs --disable-outdevs --disable-altivec --disable-static --enable-shared --disable-version3 --extra-cflags=-fPIC --extra-ldflags=-fPIC --disable-stripping --disable-doc --prefix=/usr
  libavutil      55. 44.100 / 55. 44.100
  libavcodec     57. 75.100 / 57. 75.100
  libavformat    57. 63.100 / 57. 63.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 70.100 /  6. 70.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100

  configuration:
    --enable-rkmpp