git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 372dab2 All: Removed reliance on compiler performing dead code elimination, changed various macro constant checks from if() to #if
372dab2a4d2cbfee365b3e654681f38547916145