configure: *** Orc acceleration disabled. Requires Orc >= 0.4.24, which was
not found. Slower code paths will be used.
yasm/nasm not found or too old. Use --disable-yasm for a crippled build.
为了提高编译速度,使用了汇编指令,如果系统中没有yasm指令的话,就会出现上述的问题。