[FFmpeg-user] How to configure x86_64

[Elliott Balsley]

> The best way to determine exact arch type is to introspect
> the executable using the file command.
> 
> For example...
> 
> David-Favor-iMac> file $(which ffmpeg)
> /david-favor-tools/osx-10.9/bin/ffmpeg: Mach-O 64-bit x86_64 executable
> 
> Best to use file than to guess by looking at config constants... which
> can be very confusing.
> 
Brilliant, thank you!