export ffmpegPath=$workDir/ffmpeg

git clone https://github.com/FFmpeg/FFmpeg $ffmpegPath

cd $ffmpegPath

make distclean

./configure --disable-gpl --disable-nonfree --disable-doc --disable-network \
  --disable-ffprobe --disable-ffplay --enable-static --disable-shared \
  --enable-libopenh264 \
  --prefix=$PREFIX

make -j

cp ffmpeg $outDir