安装扩展yuminstallautomakeautoconfmakegccgcc-c++libtoolzlibzlib-develcurlcurl-develalsa-libalsa-lib-develgettextgettext-develexpatexpat-develnasmpkgconfig安装yasm-支持编译x264wgethttp://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gztar-zxvfyasm-1.3.0.tar.gzcdyasm-1.3.0./configuremake-j8makeinstall安装