x264最新包地址：http://www.videolan.org/developers/x264.html
编译命令：
./configure --enable-static --host=i386-apple-darwin
--host选项请参考一下连接
http://gcc.gnu.org/install/specific.html
http://airs.com/ian/configure/configure_6.html#SEC39
The `--build‘ option is used to specify the configuration name of the build system. This can normally be the result of running the `config.guess‘ shell script, and it is reasonable to use `--build=`config.guess`‘.
仅作记录参考
原文：http://www.cnblogs.com/lovelylife/p/5212337.html