一:安装yasm
1.下载:http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
2.解压
3. 终端进入 cd yasm-1.2.0
4. Configure and build:./configure && make -j 4 && sudo make install
-j 4表示4个并发执行线程
二:到https://github.com/libav/gas-preprocessor下载 gas-preprocessor.pl
文件,复制gas-preprocessor.pl
到/usr/bin
下,修改文件权限 chmod 777 /usr/local/bin/gas-preprocessor.pl