[FFmpeg-user] Error in install ffmpeg 2.7.1

[ronnie acord]

I am trying to install ffmpeg and got this error

 ./configure
yasm/nasm not found or too old. Use --disable-yasm for a crippled build.

I will attach my config.log

I am running linux mint 17.2 and trying to use this with make mkv latest
version
Thanks
Ron Acord
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