git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 80cd067 avutil/x86util: don't produce empty object files on win{32,64}
80cd0677158b7ea4394d8e1594c7a1c984184f5b