git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 4f8043e avcodec/cbs_h266: size vps_direct_ref_layer_flag for the full layer range
4f8043e658e195cc4e44cb79e864c4a6466b72a7