[FFmpeg-user] Unable to compile ffmpeg with libx264 support under OS X Lion

Rodney Baker rodney.baker at iinet.net.au
Sun Sep 18 02:28:15 CEST 2011

On Sun, 18 Sep 2011 09:20:44 Micah Sutton wrote:
> Trying to get ffmpeg up and running on a brand new clean installation of
> Lion. I've installed developer tools 4.1.1, downloaded latest libx264 and
> ffmpeg.
> Attempting to compile ffmpeg with the following: ./configure --enable-gpl
> --enable-libx264
> results in:
> LD    ffmpeg_g
> Undefined symbols for architecture x86_64:
>   "_MM_FIX_0_707106781", referenced from:
>       _filter in libavfilter.a(vf_fspp.o)
>   "_MM_FIX_0_541196100", referenced from:
>       _filter in libavfilter.a(vf_fspp.o)
> ld: symbol(s) not found for architecture x86_64
> collect2: ld returned 1 exit status
> make: *** [ffmpeg_g] Error 1
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user

How did you install libx264? From source? If not,  you will need to install 
the relevant devel package as well to make sure that you have the headers for 
ffmpeg to compile against.

Rodney Baker VK5ZTV
rodney.baker at iinet.net.au

More information about the ffmpeg-user mailing list