config log

x264 configure script
Command line options: "--prefix=/root/ffmpeg_build" "--bindir=/root/bin" "--enable-static"

checking whether gcc works... yes
checking whether gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99... yes
checking whether yasm supports vpmovzxwd ymm0, xmm0... no
Failed commandline was:
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yasm conftest.asm  -f elf -m amd64 -DHAVE_ALIGNED_STACK=1  -o conftest.o
./configure: line 189: yasm: command not found
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Failed program was:
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vpmovzxwd ymm0, xmm0
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