git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 1c522ff avcodec/x86/mpegvideoenc{,_template}: Remove remnants of MMX
1c522ffdef5a279a4b8c99dd08b86c88210b7399